{"id":284,"date":"2026-01-25T01:41:58","date_gmt":"2026-01-24T17:41:58","guid":{"rendered":"https:\/\/skwp.zeabur.app\/2026\/01\/25\/%e3%80%90tanstack-query-zustand-%e6%95%99%e5%ad%b8%e3%80%9102-tanstack-query-%e5%9f%ba%e7%a4%8e%ef%bc%9ausequery-%e8%88%87%e8%87%aa%e5%8b%95%e5%bf%ab%e5%8f%96\/"},"modified":"2026-01-25T01:41:58","modified_gmt":"2026-01-24T17:41:58","slug":"%e3%80%90tanstack-query-zustand-%e6%95%99%e5%ad%b8%e3%80%9102-tanstack-query-%e5%9f%ba%e7%a4%8e%ef%bc%9ausequery-%e8%88%87%e8%87%aa%e5%8b%95%e5%bf%ab%e5%8f%96","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/01\/25\/%e3%80%90tanstack-query-zustand-%e6%95%99%e5%ad%b8%e3%80%9102-tanstack-query-%e5%9f%ba%e7%a4%8e%ef%bc%9ausequery-%e8%88%87%e8%87%aa%e5%8b%95%e5%bf%ab%e5%8f%96\/","title":{"rendered":"\u3010TanStack Query + Zustand \u6559\u5b78\u3011#02 TanStack Query \u57fa\u790e\uff1auseQuery \u8207\u81ea\u52d5\u5feb\u53d6"},"content":{"rendered":"\n<div id=\"quiz-basic\">\n<style>\n#quiz-basic .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-basic .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-basic .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-basic .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-basic .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-basic .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-basic .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-basic .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-basic .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-basic .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-basic .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-basic .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-basic .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-basic .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1aTanStack Query \u57fa\u790e\uff1auseQuery \u8207\u81ea\u52d5\u5feb\u53d6<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. \u4f7f\u7528 TanStack Query \u6642\uff0c<code>QueryClientProvider<\/code> \u61c9\u8a72\u653e\u5728\u61c9\u7528\u7a0b\u5f0f\u7684\u54ea\u500b\u4f4d\u7f6e\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'C')\">A. \u53ea\u9700\u8981\u653e\u5728\u4f7f\u7528 useQuery \u7684\u5143\u4ef6\u5167\u90e8<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'C')\">B. \u653e\u5728\u6bcf\u500b\u9700\u8981\u67e5\u8a62\u7684\u9801\u9762\u5143\u4ef6\u4e2d<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'C')\">C. \u653e\u5728\u61c9\u7528\u7a0b\u5f0f\u7684\u6700\u5916\u5c64\uff0c\u5305\u88f9\u6240\u6709\u9700\u8981\u4f7f\u7528\u67e5\u8a62\u7684\u5143\u4ef6<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'C')\">D. \u653e\u5728 index.html \u7684 script \u6a19\u7c64\u4e2d<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. <code>useQuery<\/code> \u7684\u5169\u500b\u5fc5\u8981\u53c3\u6578\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'B')\">A. <code>data<\/code> \u548c <code>error<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'B')\">B. <code>queryKey<\/code> \u548c <code>queryFn<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'B')\">C. <code>staleTime<\/code> \u548c <code>gcTime<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'B')\">D. <code>isLoading<\/code> \u548c <code>isFetching<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u95dc\u65bc <code>isLoading<\/code> \u548c <code>isFetching<\/code> \u7684\u5dee\u7570\uff0c\u4e0b\u5217\u6558\u8ff0\u4f55\u8005\u6b63\u78ba\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'C')\">A. \u5169\u8005\u5b8c\u5168\u76f8\u540c\uff0c\u53ef\u4ee5\u4e92\u63db\u4f7f\u7528<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'C')\">B. <code>isLoading<\/code> \u5728\u80cc\u666f\u66f4\u65b0\u6642\u70ba true\uff0c<code>isFetching<\/code> \u53ea\u5728\u7b2c\u4e00\u6b21\u8f09\u5165\u6642\u70ba true<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'C')\">C. <code>isLoading<\/code> \u53ea\u5728\u7b2c\u4e00\u6b21\u8f09\u5165\u4e14\u6c92\u6709\u5feb\u53d6\u8cc7\u6599\u6642\u70ba true\uff0c<code>isFetching<\/code> \u53ea\u8981\u6b63\u5728\u767c\u9001\u8acb\u6c42\u5c31\u70ba true<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'C')\">D. <code>isLoading<\/code> \u8868\u793a\u932f\u8aa4\u72c0\u614b\uff0c<code>isFetching<\/code> \u8868\u793a\u6210\u529f\u72c0\u614b<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. <code>staleTime<\/code> \u7684\u9810\u8a2d\u503c\u662f\u591a\u5c11\uff1f\u9019\u4ee3\u8868\u4ec0\u9ebc\u610f\u7fa9\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'A')\">A. \u9810\u8a2d\u503c\u662f 0\uff0c\u8868\u793a\u8cc7\u6599\u4e00\u53d6\u5f97\u5c31\u7acb\u523b\u904e\u671f<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'A')\">B. \u9810\u8a2d\u503c\u662f 5 \u5206\u9418\uff0c\u8868\u793a\u8cc7\u6599\u6703\u4fdd\u6301\u65b0\u9bae 5 \u5206\u9418<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'A')\">C. \u9810\u8a2d\u503c\u662f Infinity\uff0c\u8868\u793a\u8cc7\u6599\u6c38\u9060\u4e0d\u6703\u904e\u671f<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'A')\">D. \u6c92\u6709\u9810\u8a2d\u503c\uff0c\u5fc5\u9808\u624b\u52d5\u8a2d\u5b9a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u95dc\u65bc Query Key \u7684\u8a2d\u8a08\uff0c\u4e0b\u5217\u54ea\u7a2e\u505a\u6cd5\u662f\u6587\u7ae0\u5efa\u8b70\u7684\uff1f<\/h3>\n      <div class=\"code-block\">\/\/ \u9078\u9805 A\nqueryKey: &#8216;users&#8217;\n\n\/\/ \u9078\u9805 B\nqueryKey: [&#8216;users&#8217;, userId]\n\n\/\/ \u9078\u9805 C\nqueryKey: { type: &#8216;users&#8217;, id: userId }\n\n\/\/ \u9078\u9805 D\nqueryKey: `users-${userId}`<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'B')\">A. \u4f7f\u7528\u55ae\u4e00\u5b57\u4e32\u4f5c\u70ba queryKey<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'B')\">B. \u4f7f\u7528\u9663\u5217\u7d50\u69cb\uff0c\u628a\u4f9d\u8cf4\u53c3\u6578\u653e\u5165 queryKey<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'B')\">C. \u4f7f\u7528\u7269\u4ef6\u4f5c\u70ba queryKey \u7684\u6839\u7d50\u69cb<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'B')\">D. \u4f7f\u7528\u6a21\u677f\u5b57\u4e32\u7d44\u5408\u53c3\u6578<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \"QueryClientProvider \u900f\u904e React Context \u628a queryClient \u50b3\u905e\u7d66\u6240\u6709\u5b50\u5143\u4ef6\uff0c\u56e0\u6b64\u9700\u8981\u653e\u5728\u61c9\u7528\u7a0b\u5f0f\u7684\u6700\u5916\u5c64\u3002\u4efb\u4f55\u4f7f\u7528 useQuery \u7684\u5143\u4ef6\u90fd\u5fc5\u9808\u5728 QueryClientProvider \u5167\u90e8\u3002\",\n        2: \"useQuery \u9700\u8981 <code>queryKey<\/code>\uff08\u67e5\u8a62\u7684\u552f\u4e00\u8b58\u5225\u78bc\uff0c\u7528\u65bc\u5feb\u53d6\u7ba1\u7406\uff09\u548c <code>queryFn<\/code>\uff08\u5be6\u969b\u53d6\u5f97\u8cc7\u6599\u7684\u975e\u540c\u6b65\u51fd\u5f0f\uff09\u9019\u5169\u500b\u5fc5\u8981\u53c3\u6578\u3002\",\n        3: \"<code>isLoading<\/code> \u53ea\u5728\u300c\u7b2c\u4e00\u6b21\u8f09\u5165\u300d\u4e14\u300c\u6c92\u6709\u5feb\u53d6\u8cc7\u6599\u300d\u6642\u70ba true\uff1b\u800c <code>isFetching<\/code> \u53ea\u8981\u6b63\u5728\u767c\u9001\u8acb\u6c42\u5c31\u70ba true\uff0c\u5305\u542b\u80cc\u666f\u66f4\u65b0\u7684\u60c5\u6cc1\u3002\",\n        4: \"<code>staleTime<\/code> \u7684\u9810\u8a2d\u503c\u662f 0\uff0c\u9019\u610f\u5473\u8457\u8cc7\u6599\u4e00\u53d6\u5f97\u5c31\u7acb\u523b\u88ab\u8996\u70ba\u904e\u671f\uff08stale\uff09\uff0c\u56e0\u6b64\u7576\u89f8\u767c\u689d\u4ef6\u767c\u751f\u6642\u6703\u9032\u884c\u80cc\u666f\u66f4\u65b0\u3002\",\n        5: \"\u6587\u7ae0\u5efa\u8b70\u4f7f\u7528\u9663\u5217\u7d50\u69cb\u4f5c\u70ba queryKey\uff0c\u4e26\u628a\u4f9d\u8cf4\u53c3\u6578\u653e\u5165\u3002\u4f8b\u5982 <code>['users', userId]<\/code>\u3002\u9019\u6a23\u8a2d\u8a08\u53ef\u4ee5\u8b93\u4e0d\u540c\u7684\u53c3\u6578\u6709\u4e0d\u540c\u7684\u5feb\u53d6\uff0c\u4e5f\u80fd\u7528 <code>['users']<\/code> \u4e00\u6b21\u8b93\u6240\u6709\u4f7f\u7528\u8005\u76f8\u95dc\u7684\u5feb\u53d6\u5931\u6548\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \ud83c\udf89 \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \ud83d\udc4d \u4e0d\u932f\uff01\"\n                : \" \ud83d\udcda \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc7\u6211\u5011\u8a8d\u8b58\u4e86 Server State \u8207 Client State \u7684\u5dee\u7570\uff0c\u4e86\u89e3\u70ba\u4ec0\u9ebc\u9700\u8981\u5c08\u9580\u7684\u5de5\u5177\u4f86\u8655\u7406\u300c\u4f86\u81ea\u4f3a\u670d\u5668\u7684\u8cc7\u6599\u300d\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u5e36\u4f60\u5be6\u969b\u52d5\u624b\uff0c\u5b78\u6703\u4f7f\u7528 TanStack Query \u7684\u6838\u5fc3\u529f\u80fd\uff1a<code>useQuery<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u5728\u5c08\u6848\u4e2d\u770b\u5230\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\u6642\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> { data, isLoading, error } = useQuery({\n  <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>],\n  <span class=\"hljs-attr\">queryFn<\/span>: fetchUsers,\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u9019\u7bc7\u5f8c\uff0c\u4f60\u5c07\u80fd\u5920\u5b8c\u5168\u7406\u89e3\u9019\u6bb5\u7a0b\u5f0f\u78bc\u7684\u904b\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u80cc\u5f8c\u7684\u5feb\u53d6\u6a5f\u5236\u5982\u4f55\u8b93\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\u66f4\u6709\u6548\u7387\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b78\u7fd2\u76ee\u6a19<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u672c\u7bc7\u5f8c\uff0c\u4f60\u5c07\u80fd\u5920\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u88dd\u4e26\u8a2d\u5b9a TanStack Query \u74b0\u5883<\/li>\n<li>\u4f7f\u7528 useQuery \u53d6\u5f97\u9060\u7aef\u8cc7\u6599\u4e26\u8655\u7406 loading\/error \u72c0\u614b<\/li>\n<li>\u7406\u89e3 Query Key \u7684\u8a2d\u8a08\u539f\u5247\u8207\u5feb\u53d6\u6a5f\u5236<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u88dd\u8207\u57fa\u790e\u8a2d\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88dd\u5957\u4ef6<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">npm<\/span> <span class=\"hljs-selector-tag\">install<\/span> <span class=\"hljs-keyword\">@tanstack<\/span>\/react-query\n# \u6216\nyarn add @tanstack\/react-query\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a QueryClientProvider<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TanStack Query \u9700\u8981\u4e00\u500b\u300c\u67e5\u8a62\u5ba2\u6236\u7aef\u300d\u4f86\u7ba1\u7406\u6240\u6709\u7684\u5feb\u53d6\u548c\u67e5\u8a62\u72c0\u614b\u3002\u9019\u500b\u8a2d\u5b9a\u901a\u5e38\u653e\u5728\u61c9\u7528\u7a0b\u5f0f\u7684\u6700\u5916\u5c64\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ main.jsx \u6216 App.jsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { QueryClient, QueryClientProvider } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@tanstack\/react-query'<\/span>;\n\n<span class=\"hljs-comment\">\/\/ \u5efa\u7acb QueryClient \u5be6\u4f8b<\/span>\n<span class=\"hljs-keyword\">const<\/span> queryClient = <span class=\"hljs-keyword\">new<\/span> QueryClient();\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">App<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">return<\/span> (\n    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">QueryClientProvider<\/span> <span class=\"hljs-attr\">client<\/span>=<span class=\"hljs-string\">{queryClient}<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">YourApp<\/span> \/&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">QueryClientProvider<\/span>&gt;<\/span><\/span>\n  );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8b80\u7a0b\u5f0f\u78bc\u6642\u7684\u89c0\u5bdf\u91cd\u9ede\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>QueryClient<\/code> \u662f\u5feb\u53d6\u7684\u6838\u5fc3\uff0c\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u5171\u7528\u4e00\u500b\u5be6\u4f8b<\/li>\n<li><code>QueryClientProvider<\/code> \u900f\u904e React Context \u628a queryClient \u50b3\u905e\u7d66\u6240\u6709\u5b50\u5143\u4ef6<\/li>\n<li>\u4efb\u4f55\u4f7f\u7528 <code>useQuery<\/code> \u7684\u5143\u4ef6\u90fd\u5fc5\u9808\u5728 <code>QueryClientProvider<\/code> \u5167\u90e8<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">useQuery \u57fa\u672c\u7528\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u7c21\u55ae\u7684\u7bc4\u4f8b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { useQuery } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@tanstack\/react-query'<\/span>;\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserList<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { data, isLoading, error } = useQuery({\n    <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>],\n    <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n      <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> fetch(<span class=\"hljs-string\">'\/api\/users'<\/span>);\n      <span class=\"hljs-keyword\">return<\/span> response.json();\n    },\n  });\n\n  <span class=\"hljs-keyword\">if<\/span> (isLoading) <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\u8f09\u5165\u4e2d...<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>;\n  <span class=\"hljs-keyword\">if<\/span> (error) <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\u767c\u751f\u932f\u8aa4\uff1a{error.message}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>;\n\n  <span class=\"hljs-keyword\">return<\/span> (\n    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">ul<\/span>&gt;<\/span>\n      {data.map(user =&gt; (\n        <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">li<\/span> <span class=\"hljs-attr\">key<\/span>=<span class=\"hljs-string\">{user.id}<\/span>&gt;<\/span>{user.name}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">li<\/span>&gt;<\/span>\n      ))}\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">ul<\/span>&gt;<\/span><\/span>\n  );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">useQuery \u7684\u5169\u500b\u5fc5\u8981\u53c3\u6578<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u53c3\u6578<\/th>\n<th>\u8aaa\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>queryKey<\/code><\/td>\n<td>\u67e5\u8a62\u7684\u552f\u4e00\u8b58\u5225\u78bc\uff0c\u7528\u65bc\u5feb\u53d6\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td><code>queryFn<\/code><\/td>\n<td>\u5be6\u969b\u53d6\u5f97\u8cc7\u6599\u7684\u975e\u540c\u6b65\u51fd\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8b80\u7a0b\u5f0f\u78bc\u6642\u7684\u7406\u89e3\u65b9\u5f0f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>queryKey: ['users']<\/code>\uff1a\u9019\u662f\u9019\u7b46\u8cc7\u6599\u7684\u300c\u8eab\u5206\u8b49\u300d\uff0cTanStack Query \u7528\u5b83\u4f86\u6c7a\u5b9a\u8981\u5f9e\u5feb\u53d6\u62ff\u8cc7\u6599\u9084\u662f\u91cd\u65b0\u8acb\u6c42<\/li>\n<li><code>queryFn<\/code>\uff1a\u7576\u9700\u8981\u53d6\u5f97\u65b0\u8cc7\u6599\u6642\uff0c\u6703\u547c\u53eb\u9019\u500b\u51fd\u5f0f<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u56de\u50b3\u503c\u89e3\u69cb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>useQuery<\/code> \u56de\u50b3\u4e00\u500b\u7269\u4ef6\uff0c\u5e38\u7528\u7684\u5c6c\u6027\u5305\u62ec\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> {\n  data,       <span class=\"hljs-comment\">\/\/ \u67e5\u8a62\u6210\u529f\u5f8c\u7684\u8cc7\u6599<\/span>\n  isLoading,  <span class=\"hljs-comment\">\/\/ \u662f\u5426\u6b63\u5728\u8f09\u5165\uff08\u7b2c\u4e00\u6b21\u8f09\u5165\uff09<\/span>\n  isFetching, <span class=\"hljs-comment\">\/\/ \u662f\u5426\u6b63\u5728\u53d6\u5f97\u8cc7\u6599\uff08\u5305\u542b\u80cc\u666f\u66f4\u65b0\uff09<\/span>\n  error,      <span class=\"hljs-comment\">\/\/ \u932f\u8aa4\u7269\u4ef6\uff08\u5982\u679c\u6709\u7684\u8a71\uff09<\/span>\n  isError,    <span class=\"hljs-comment\">\/\/ \u662f\u5426\u767c\u751f\u932f\u8aa4<\/span>\n  isSuccess,  <span class=\"hljs-comment\">\/\/ \u662f\u5426\u6210\u529f\u53d6\u5f97\u8cc7\u6599<\/span>\n  refetch,    <span class=\"hljs-comment\">\/\/ \u624b\u52d5\u91cd\u65b0\u53d6\u5f97\u8cc7\u6599\u7684\u51fd\u5f0f<\/span>\n} = useQuery({ ... });\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong><code>isLoading<\/code> vs <code>isFetching<\/code> \u7684\u5dee\u7570\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>isLoading<\/code>\uff1a\u53ea\u5728\u300c\u7b2c\u4e00\u6b21\u8f09\u5165\u300d\u4e14\u300c\u6c92\u6709\u5feb\u53d6\u8cc7\u6599\u300d\u6642\u70ba true<\/li>\n<li><code>isFetching<\/code>\uff1a\u53ea\u8981\u6b63\u5728\u767c\u9001\u8acb\u6c42\u5c31\u70ba true\uff08\u5305\u542b\u80cc\u666f\u66f4\u65b0\uff09<\/li>\n<\/ul>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u5be6\u52d9\u4e0a\u5e38\u898b\u7684\u5224\u65b7\u65b9\u5f0f<\/span>\n<span class=\"hljs-keyword\">if<\/span> (isLoading) {\n  <span class=\"hljs-comment\">\/\/ \u986f\u793a\u9aa8\u67b6\u756b\u9762\u6216 spinner\uff08\u7b2c\u4e00\u6b21\u8f09\u5165\uff09<\/span>\n}\n\n<span class=\"hljs-comment\">\/\/ \u5982\u679c\u4f60\u60f3\u5728\u80cc\u666f\u66f4\u65b0\u6642\u4e5f\u986f\u793a\u63d0\u793a<\/span>\n<span class=\"hljs-keyword\">if<\/span> (isFetching &amp;&amp; !isLoading) {\n  <span class=\"hljs-comment\">\/\/ \u986f\u793a\u300c\u66f4\u65b0\u4e2d\u300d\u7684\u5c0f\u63d0\u793a<\/span>\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5feb\u53d6\u6a5f\u5236\uff1astaleTime \u8207 gcTime<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TanStack Query \u6700\u5f37\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u5c31\u662f\u81ea\u52d5\u5feb\u53d6\u3002\u7406\u89e3\u9019\u5169\u500b\u6642\u9593\u8a2d\u5b9a\uff0c\u662f\u638c\u63e1\u5feb\u53d6\u884c\u70ba\u7684\u95dc\u9375\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">staleTime\uff08\u8cc7\u6599\u904e\u671f\u6642\u9593\uff09<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> { data } = useQuery({\n  <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>],\n  <span class=\"hljs-attr\">queryFn<\/span>: fetchUsers,\n  <span class=\"hljs-attr\">staleTime<\/span>: <span class=\"hljs-number\">5<\/span> * <span class=\"hljs-number\">60<\/span> * <span class=\"hljs-number\">1000<\/span>, <span class=\"hljs-comment\">\/\/ 5 \u5206\u9418<\/span>\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>staleTime \u7684\u610f\u7fa9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8cc7\u6599\u5728\u9019\u6bb5\u6642\u9593\u5167\u88ab\u8996\u70ba\u300c\u65b0\u9bae\u7684\u300d\uff08fresh\uff09<\/li>\n<li>\u65b0\u9bae\u7684\u8cc7\u6599\u4e0d\u6703\u89f8\u767c\u80cc\u666f\u66f4\u65b0<\/li>\n<li>\u9810\u8a2d\u503c\u662f <code>0<\/code>\uff0c\u8868\u793a\u8cc7\u6599\u4e00\u53d6\u5f97\u5c31\u7acb\u523b\u904e\u671f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5be6\u52d9\u5834\u666f\uff1a<\/strong><\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u4f7f\u7528\u8005\u8cc7\u6599\u5f88\u5c11\u8b8a\u52d5\uff0c\u8a2d\u5b9a 5 \u5206\u9418<\/span>\nuseQuery({\n  <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'user'<\/span>, userId],\n  <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchUser(userId),\n  <span class=\"hljs-attr\">staleTime<\/span>: <span class=\"hljs-number\">5<\/span> * <span class=\"hljs-number\">60<\/span> * <span class=\"hljs-number\">1000<\/span>,\n});\n\n<span class=\"hljs-comment\">\/\/ \u5373\u6642\u80a1\u50f9\u9700\u8981\u983b\u7e41\u66f4\u65b0\uff0c\u8a2d\u5b9a 10 \u79d2<\/span>\nuseQuery({\n  <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'stock'<\/span>, symbol],\n  <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchStockPrice(symbol),\n  <span class=\"hljs-attr\">staleTime<\/span>: <span class=\"hljs-number\">10<\/span> * <span class=\"hljs-number\">1000<\/span>,\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">gcTime\uff08\u5783\u573e\u56de\u6536\u6642\u9593\uff09<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> { data } = useQuery({\n  <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>],\n  <span class=\"hljs-attr\">queryFn<\/span>: fetchUsers,\n  <span class=\"hljs-attr\">gcTime<\/span>: <span class=\"hljs-number\">10<\/span> * <span class=\"hljs-number\">60<\/span> * <span class=\"hljs-number\">1000<\/span>, <span class=\"hljs-comment\">\/\/ 10 \u5206\u9418<\/span>\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>gcTime \u7684\u610f\u7fa9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7576\u6c92\u6709\u4efb\u4f55\u5143\u4ef6\u4f7f\u7528\u9019\u7b46\u5feb\u53d6\u6642\uff0c\u7d93\u904e gcTime \u5f8c\u6703\u88ab\u6e05\u9664<\/li>\n<li>\u9810\u8a2d\u503c\u662f <code>5 <em> 60 <\/em> 1000<\/code>\uff085 \u5206\u9418\uff09<\/li>\n<li>\u5728 v4 \u4e4b\u524d\u7a31\u70ba <code>cacheTime<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5feb\u53d6\u751f\u547d\u9031\u671f\u5716\u89e3<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u4f7f\u7528\u8005\u9032\u5165\u9801\u9762\n    \u2193\n<span class=\"hljs-selector-attr\">&#91;\u67e5\u8a62\u958b\u59cb]<\/span> \u2500\u2500\u2192 <span class=\"hljs-selector-attr\">&#91;\u8cc7\u6599\u53d6\u5f97]<\/span> \u2500\u2500\u2192 <span class=\"hljs-selector-attr\">&#91;\u8cc7\u6599\u65b0\u9bae\u671f\u9593]<\/span>\n                              (<span class=\"hljs-selector-tag\">staleTime<\/span> \u5167)\n                                   \u2193\n                              <span class=\"hljs-selector-attr\">&#91;\u8cc7\u6599\u904e\u671f]<\/span>\n                              (<span class=\"hljs-selector-tag\">staleTime<\/span> \u5f8c)\n                                   \u2193\n    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n    \u2502 \u89f8\u767c\u80cc\u666f\u66f4\u65b0\u7684\u689d\u4ef6\uff1a                   \u2502\n    \u2502 \u2022 \u5143\u4ef6\u91cd\u65b0\u639b\u8f09                        \u2502\n    \u2502 \u2022 \u8996\u7a97\u91cd\u65b0\u7372\u5f97\u7126\u9ede                    \u2502\n    \u2502 \u2022 \u7db2\u8def\u6062\u5fa9\u9023\u7dda                        \u2502\n    \u2502 \u2022 \u624b\u52d5\u547c\u53eb <span class=\"hljs-selector-tag\">refetch<\/span>                   \u2502\n    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                                   \u2193\n                          <span class=\"hljs-selector-attr\">&#91;\u5143\u4ef6\u5378\u8f09\/\u4e0d\u518d\u4f7f\u7528]<\/span>\n                                   \u2193\n                          <span class=\"hljs-selector-attr\">&#91;gcTime \u5012\u6578\u958b\u59cb]<\/span>\n                                   \u2193\n                          <span class=\"hljs-selector-attr\">&#91;\u5feb\u53d6\u88ab\u6e05\u9664]<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Query Key \u8a2d\u8a08\u6a21\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Query Key \u662f TanStack Query \u6700\u91cd\u8981\u7684\u6982\u5ff5\u4e4b\u4e00\u3002\u5b83\u4e0d\u53ea\u662f\u8b58\u5225\u78bc\uff0c\u66f4\u6c7a\u5b9a\u4e86\u5feb\u53d6\u5982\u4f55\u88ab\u7ba1\u7406\u548c\u5931\u6548\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u539f\u5247\uff1a\u4f7f\u7528\u9663\u5217\u7d50\u69cb<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u597d\u7684\u8a2d\u8a08\uff1a\u4f7f\u7528\u9663\u5217\uff0c\u6709\u5c64\u7d1a\u95dc\u4fc2<\/span>\n<span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>]\n<span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, userId]\n<span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, userId, <span class=\"hljs-string\">'posts'<\/span>]\n<span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, { <span class=\"hljs-attr\">status<\/span>: <span class=\"hljs-string\">'active'<\/span> }]\n\n<span class=\"hljs-comment\">\/\/ \u907f\u514d\uff1a\u55ae\u4e00\u5b57\u4e32\uff08\u96d6\u7136\u6280\u8853\u4e0a\u53ef\u884c\uff09<\/span>\n<span class=\"hljs-attr\">queryKey<\/span>: <span class=\"hljs-string\">'users'<\/span>  <span class=\"hljs-comment\">\/\/ \u4e0d\u5efa\u8b70<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4f9d\u8cf4\u53c3\u6578\u7684\u8655\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u67e5\u8a62\u4f9d\u8cf4\u67d0\u4e9b\u53c3\u6578\u6642\uff0c\u628a\u53c3\u6578\u653e\u5165 queryKey\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserProfile<\/span>(<span class=\"hljs-params\">{ userId }<\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { data } = useQuery({\n    <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, userId],  <span class=\"hljs-comment\">\/\/ userId \u662f\u4f9d\u8cf4\u53c3\u6578<\/span>\n    <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchUser(userId),\n  });\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u70ba\u4ec0\u9ebc\u8981\u9019\u6a23\u8a2d\u8a08\uff1f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684 userId \u6703\u6709\u4e0d\u540c\u7684\u5feb\u53d6<\/li>\n<li>\u7576 userId \u6539\u8b8a\u6642\uff0c\u81ea\u52d5\u4f7f\u7528\u65b0\u7684\u5feb\u53d6\u6216\u767c\u9001\u65b0\u8acb\u6c42<\/li>\n<li>\u53ef\u4ee5\u7528 <code>['users']<\/code> \u4e00\u6b21\u8b93\u6240\u6709\u4f7f\u7528\u8005\u76f8\u95dc\u7684\u5feb\u53d6\u5931\u6548<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5305\u542b\u7be9\u9078\u689d\u4ef6<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserList<\/span>(<span class=\"hljs-params\">{ filters }<\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { data } = useQuery({\n    <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, filters],  <span class=\"hljs-comment\">\/\/ filters \u7269\u4ef6\u4e5f\u653e\u5165 key<\/span>\n    <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchUsers(filters),\n  });\n}\n\n<span class=\"hljs-comment\">\/\/ \u4f7f\u7528\u7bc4\u4f8b<\/span>\n&lt;UserList filters={{ <span class=\"hljs-attr\">status<\/span>: <span class=\"hljs-string\">'active'<\/span>, <span class=\"hljs-attr\">role<\/span>: <span class=\"hljs-string\">'admin'<\/span> }} \/&gt;\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8b80\u7a0b\u5f0f\u78bc\u6642\u7684\u89c0\u5bdf\u91cd\u9ede\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>queryKey \u5305\u542b\u4e86\u6240\u6709\u6703\u5f71\u97ff\u67e5\u8a62\u7d50\u679c\u7684\u53c3\u6578<\/li>\n<li>\u7269\u4ef6\u6703\u88ab\u6df1\u5ea6\u6bd4\u8f03\uff0c\u5167\u5bb9\u76f8\u540c\u5c31\u6703\u4f7f\u7528\u540c\u4e00\u4efd\u5feb\u53d6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Query Key \u7684\u968e\u5c64\u95dc\u4fc2<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u9019\u4e9b key \u6709\u968e\u5c64\u95dc\u4fc2<\/span>\n&#91;<span class=\"hljs-string\">'todos'<\/span>]                    <span class=\"hljs-comment\">\/\/ \u6240\u6709\u5f85\u8fa6\u4e8b\u9805<\/span>\n&#91;<span class=\"hljs-string\">'todos'<\/span>, <span class=\"hljs-string\">'list'<\/span>]            <span class=\"hljs-comment\">\/\/ \u5f85\u8fa6\u5217\u8868<\/span>\n&#91;<span class=\"hljs-string\">'todos'<\/span>, <span class=\"hljs-string\">'list'<\/span>, { <span class=\"hljs-attr\">status<\/span>: <span class=\"hljs-string\">'done'<\/span> }]  <span class=\"hljs-comment\">\/\/ \u5df2\u5b8c\u6210\u7684\u5f85\u8fa6\u5217\u8868<\/span>\n&#91;<span class=\"hljs-string\">'todos'<\/span>, <span class=\"hljs-string\">'detail'<\/span>, <span class=\"hljs-number\">1<\/span>]       <span class=\"hljs-comment\">\/\/ \u55ae\u4e00\u5f85\u8fa6\u8a73\u60c5<\/span>\n\n<span class=\"hljs-comment\">\/\/ \u53ef\u4ee5\u4e00\u6b21\u8b93\u6574\u500b\u968e\u5c64\u5931\u6548<\/span>\nqueryClient.invalidateQueries({ <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'todos'<\/span>] });\n<span class=\"hljs-comment\">\/\/ \u4e0a\u9762\u9019\u884c\u6703\u8b93\u6240\u6709\u4ee5 &#91;'todos'] \u958b\u982d\u7684\u67e5\u8a62\u90fd\u5931\u6548<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">DevTools \u5b89\u88dd\u8207\u4f7f\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TanStack Query \u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u958b\u767c\u8005\u5de5\u5177\uff0c\u5e6b\u52a9\u4f60\u89c0\u5bdf\u5feb\u53d6\u72c0\u614b\u548c\u9664\u932f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88dd<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">npm<\/span> <span class=\"hljs-selector-tag\">install<\/span> <span class=\"hljs-keyword\">@tanstack<\/span>\/react-query-devtools\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u52a0\u5165\u61c9\u7528\u7a0b\u5f0f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { QueryClient, QueryClientProvider } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@tanstack\/react-query'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { ReactQueryDevtools } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@tanstack\/react-query-devtools'<\/span>;\n\n<span class=\"hljs-keyword\">const<\/span> queryClient = <span class=\"hljs-keyword\">new<\/span> QueryClient();\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">App<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">return<\/span> (\n    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">QueryClientProvider<\/span> <span class=\"hljs-attr\">client<\/span>=<span class=\"hljs-string\">{queryClient}<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">YourApp<\/span> \/&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">ReactQueryDevtools<\/span> <span class=\"hljs-attr\">initialIsOpen<\/span>=<span class=\"hljs-string\">{false}<\/span> \/&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">QueryClientProvider<\/span>&gt;<\/span><\/span>\n  );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">DevTools \u529f\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u958b\u555f DevTools \u5f8c\uff0c\u4f60\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u6240\u6709\u5feb\u53d6\u7684\u67e5\u8a62<\/strong>\uff1a\u6bcf\u500b queryKey \u5c0d\u61c9\u7684\u8cc7\u6599\u548c\u72c0\u614b<\/li>\n<li><strong>\u89c0\u5bdf\u72c0\u614b\u8b8a\u5316<\/strong>\uff1afresh\u3001stale\u3001fetching\u3001inactive \u7b49\u72c0\u614b<\/li>\n<li><strong>\u624b\u52d5\u89f8\u767c\u52d5\u4f5c<\/strong>\uff1arefetch\u3001invalidate\u3001reset\u3001remove<\/li>\n<li><strong>\u6aa2\u8996\u67e5\u8a62\u7d30\u7bc0<\/strong>\uff1a\u6700\u5f8c\u66f4\u65b0\u6642\u9593\u3001\u8cc7\u6599\u5167\u5bb9\u3001\u932f\u8aa4\u8a0a\u606f<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9664\u932f\u6280\u5de7\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u8cc7\u6599\u6c92\u6709\u66f4\u65b0\uff0c\u6aa2\u67e5 staleTime \u8a2d\u5b9a<\/li>\n<li>\u5982\u679c\u5feb\u53d6\u6d88\u5931\u592a\u5feb\uff0c\u6aa2\u67e5 gcTime \u8a2d\u5b9a<\/li>\n<li>\u5982\u679c\u770b\u5230\u91cd\u8907\u8acb\u6c42\uff0c\u6aa2\u67e5 queryKey \u662f\u5426\u6b63\u78ba<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b8c\u6574\u7bc4\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b93\u6211\u5011\u628a\u5b78\u5230\u7684\u6982\u5ff5\u6574\u5408\u6210\u4e00\u500b\u5b8c\u6574\u7bc4\u4f8b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ api.js - \u5b9a\u7fa9 API \u51fd\u5f0f<\/span>\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-keyword\">const<\/span> fetchUsers = <span class=\"hljs-keyword\">async<\/span> (filters) =&gt; {\n  <span class=\"hljs-keyword\">const<\/span> params = <span class=\"hljs-keyword\">new<\/span> URLSearchParams(filters);\n  <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> fetch(<span class=\"hljs-string\">`\/api\/users?<span class=\"hljs-subst\">${params}<\/span>`<\/span>);\n  <span class=\"hljs-keyword\">if<\/span> (!response.ok) {\n    <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Error<\/span>(<span class=\"hljs-string\">'\u53d6\u5f97\u4f7f\u7528\u8005\u5217\u8868\u5931\u6557'<\/span>);\n  }\n  <span class=\"hljs-keyword\">return<\/span> response.json();\n};\n\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-keyword\">const<\/span> fetchUser = <span class=\"hljs-keyword\">async<\/span> (userId) =&gt; {\n  <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> fetch(<span class=\"hljs-string\">`\/api\/users\/<span class=\"hljs-subst\">${userId}<\/span>`<\/span>);\n  <span class=\"hljs-keyword\">if<\/span> (!response.ok) {\n    <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Error<\/span>(<span class=\"hljs-string\">'\u53d6\u5f97\u4f7f\u7528\u8005\u8cc7\u6599\u5931\u6557'<\/span>);\n  }\n  <span class=\"hljs-keyword\">return<\/span> response.json();\n};\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-18\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ hooks\/useUsers.js - \u5c01\u88dd Query Hook<\/span>\n<span class=\"hljs-keyword\">import<\/span> { useQuery } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@tanstack\/react-query'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { fetchUsers, fetchUser } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'..\/api'<\/span>;\n\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">useUsers<\/span>(<span class=\"hljs-params\">filters<\/span>) <\/span>{\n  <span class=\"hljs-keyword\">return<\/span> useQuery({\n    <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, filters],\n    <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchUsers(filters),\n    <span class=\"hljs-attr\">staleTime<\/span>: <span class=\"hljs-number\">60<\/span> * <span class=\"hljs-number\">1000<\/span>, <span class=\"hljs-comment\">\/\/ 1 \u5206\u9418<\/span>\n  });\n}\n\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">useUser<\/span>(<span class=\"hljs-params\">userId<\/span>) <\/span>{\n  <span class=\"hljs-keyword\">return<\/span> useQuery({\n    <span class=\"hljs-attr\">queryKey<\/span>: &#91;<span class=\"hljs-string\">'users'<\/span>, userId],\n    <span class=\"hljs-attr\">queryFn<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> fetchUser(userId),\n    <span class=\"hljs-attr\">staleTime<\/span>: <span class=\"hljs-number\">5<\/span> * <span class=\"hljs-number\">60<\/span> * <span class=\"hljs-number\">1000<\/span>, <span class=\"hljs-comment\">\/\/ 5 \u5206\u9418<\/span>\n    <span class=\"hljs-attr\">enabled<\/span>: !!userId, <span class=\"hljs-comment\">\/\/ \u53ea\u6709\u7576 userId \u5b58\u5728\u6642\u624d\u57f7\u884c\u67e5\u8a62<\/span>\n  });\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-19\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ components\/UserList.jsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { useUsers } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'..\/hooks\/useUsers'<\/span>;\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserList<\/span>(<span class=\"hljs-params\">{ filters }<\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { data, isLoading, error, isFetching } = useUsers(filters);\n\n  <span class=\"hljs-keyword\">if<\/span> (isLoading) {\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span> <span class=\"hljs-attr\">className<\/span>=<span class=\"hljs-string\">\"skeleton\"<\/span>&gt;<\/span>\u8f09\u5165\u4e2d...<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>;\n  }\n\n  <span class=\"hljs-keyword\">if<\/span> (error) {\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span> <span class=\"hljs-attr\">className<\/span>=<span class=\"hljs-string\">\"error\"<\/span>&gt;<\/span>\u932f\u8aa4\uff1a{error.message}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>;\n  }\n\n  <span class=\"hljs-keyword\">return<\/span> (\n    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\n      {isFetching &amp;&amp; <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">className<\/span>=<span class=\"hljs-string\">\"updating\"<\/span>&gt;<\/span>\u66f4\u65b0\u4e2d...<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span>}\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">ul<\/span>&gt;<\/span>\n        {data.map(user =&gt; (\n          <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">li<\/span> <span class=\"hljs-attr\">key<\/span>=<span class=\"hljs-string\">{user.id}<\/span>&gt;<\/span>{user.name}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">li<\/span>&gt;<\/span>\n        ))}\n      <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">ul<\/span>&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>\n  );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8b80\u7a0b\u5f0f\u78bc\u6642\u7684\u91cd\u9ede\u6574\u7406\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>API \u51fd\u5f0f\u8207 Query Hook \u5206\u96e2\uff0c\u8077\u8cac\u6e05\u6670<\/li>\n<li><code>enabled<\/code> \u9078\u9805\u53ef\u4ee5\u63a7\u5236\u67e5\u8a62\u662f\u5426\u57f7\u884c<\/li>\n<li><code>isLoading<\/code> \u8655\u7406\u521d\u6b21\u8f09\u5165\uff0c<code>isFetching<\/code> \u8655\u7406\u80cc\u666f\u66f4\u65b0<\/li>\n<li>\u932f\u8aa4\u8655\u7406\u900f\u904e throw Error\uff0cTanStack Query \u6703\u81ea\u52d5\u6355\u6349<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u7bc7\u5c0f\u7d50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u7bc7\u6587\u7ae0\u6db5\u84cb\u4e86 TanStack Query \u7684\u6838\u5fc3\u57fa\u790e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6982\u5ff5<\/th>\n<th>\u91cd\u9ede<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>QueryClientProvider<\/td>\n<td>\u61c9\u7528\u7a0b\u5f0f\u6700\u5916\u5c64\u8a2d\u5b9a\uff0c\u63d0\u4f9b\u5feb\u53d6\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>useQuery<\/td>\n<td>\u53d6\u5f97\u8cc7\u6599\u7684\u4e3b\u8981 Hook\uff0c\u56de\u50b3 data\u3001isLoading\u3001error \u7b49<\/td>\n<\/tr>\n<tr>\n<td>queryKey<\/td>\n<td>\u5feb\u53d6\u7684\u552f\u4e00\u8b58\u5225\u78bc\uff0c\u4f7f\u7528\u9663\u5217\u7d50\u69cb<\/td>\n<\/tr>\n<tr>\n<td>queryFn<\/td>\n<td>\u5be6\u969b\u53d6\u5f97\u8cc7\u6599\u7684\u975e\u540c\u6b65\u51fd\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>staleTime<\/td>\n<td>\u8cc7\u6599\u4fdd\u6301\u65b0\u9bae\u7684\u6642\u9593\uff0c\u904e\u671f\u5f8c\u89f8\u767c\u80cc\u666f\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>gcTime<\/td>\n<td>\u5feb\u53d6\u88ab\u6e05\u9664\u524d\u7684\u4fdd\u7559\u6642\u9593<\/td>\n<\/tr>\n<tr>\n<td>DevTools<\/td>\n<td>\u958b\u767c\u968e\u6bb5\u89c0\u5bdf\u5feb\u53d6\u72c0\u614b\u7684\u597d\u5e6b\u624b<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u4e00\u7bc7\u9810\u544a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\u6211\u5011\u5c07\u5b78\u7fd2 <code>useMutation<\/code>\uff0c\u8655\u7406\u65b0\u589e\u3001\u66f4\u65b0\u3001\u522a\u9664\u7b49\u300c\u6703\u6539\u8b8a\u4f3a\u670d\u5668\u8cc7\u6599\u300d\u7684\u64cd\u4f5c\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u64cd\u4f5c\u5f8c\u8b93\u76f8\u95dc\u5feb\u53d6\u5931\u6548\uff0c\u4fdd\u6301\u8cc7\u6599\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<div id=\"quiz-advanced\">\n<style>\n#quiz-advanced .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-advanced .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-advanced .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-advanced .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-advanced .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-advanced .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-advanced .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-advanced .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-advanced .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-advanced .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-advanced .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-advanced .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-advanced .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-advanced .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-advanced .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-advanced .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-advanced .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1aTanStack Query \u57fa\u790e\uff1auseQuery \u8207\u81ea\u52d5\u5feb\u53d6<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u6b63\u5728\u958b\u767c\u4e00\u500b\u80a1\u7968\u5831\u50f9\u9801\u9762\uff0c\u9700\u8981\u986f\u793a\u5373\u6642\u80a1\u50f9\u3002\u8003\u616e\u5230\u80a1\u50f9\u8b8a\u52d5\u983b\u7e41\uff0c\u4f60\u61c9\u8a72\u5982\u4f55\u8a2d\u5b9a <code>staleTime<\/code>\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">useQuery({\n  queryKey: [&#8216;stock&#8217;, symbol],\n  queryFn: () => fetchStockPrice(symbol),\n  staleTime: ???,\n});<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. \u8a2d\u5b9a\u70ba 0\uff08\u9810\u8a2d\u503c\uff09\uff0c\u8b93\u8cc7\u6599\u6c38\u9060\u904e\u671f<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. \u8a2d\u5b9a\u70ba 10 \u79d2\u6216\u66f4\u77ed\uff0c\u78ba\u4fdd\u983b\u7e41\u66f4\u65b0<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. \u8a2d\u5b9a\u70ba 5 \u5206\u9418\uff0c\u6e1b\u5c11 API \u8acb\u6c42\u6b21\u6578<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. \u8a2d\u5b9a\u70ba Infinity\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u65b0\u8acb\u6c42<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u4f60\u9700\u8981\u5728\u4f7f\u7528\u8005\u5217\u8868\u9801\u9762\u4e2d\u5be6\u4f5c\u7be9\u9078\u529f\u80fd\u3002\u7576\u7be9\u9078\u689d\u4ef6\u6539\u8b8a\u6642\uff0c\u4f60\u5e0c\u671b\u81ea\u52d5\u4f7f\u7528\u65b0\u7684\u5feb\u53d6\u6216\u767c\u9001\u65b0\u8acb\u6c42\u3002\u61c9\u8a72\u5982\u4f55\u8a2d\u8a08 Query Key\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">function UserList({ filters }) {\n  const { data } = useQuery({\n    queryKey: ???,\n    queryFn: () => fetchUsers(filters),\n  });\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. <code>queryKey: ['users']<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. <code>queryKey: ['users', 'list']<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. <code>queryKey: ['users', filters]<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. <code>queryKey: [filters]<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 3 -->\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u5728\u958b\u767c\u4f7f\u7528\u8005\u8a73\u60c5\u9801\u9762\uff0c\u4f46\u767c\u73fe\u7576 userId \u9084\u6c92\u6709\u503c\u6642\uff08\u4f8b\u5982\u4f86\u81ea URL \u53c3\u6578\u4f46\u9084\u6c92\u89e3\u6790\u5b8c\uff09\uff0c\u6703\u767c\u9001\u4e00\u500b\u7121\u6548\u7684 API \u8acb\u6c42\u3002\u5982\u4f55\u907f\u514d\u9019\u500b\u554f\u984c\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">function UserProfile({ userId }) {\n  \/\/ userId \u53ef\u80fd\u4e00\u958b\u59cb\u662f undefined\n  const { data } = useQuery({\n    queryKey: [&#8216;users&#8217;, userId],\n    queryFn: () => fetchUser(userId),\n    \/\/ \u9700\u8981\u52a0\u5165\u4ec0\u9ebc\u9078\u9805\uff1f\n  });\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'B')\">A. \u52a0\u5165 <code>staleTime: Infinity<\/code> \u907f\u514d\u91cd\u8907\u8acb\u6c42<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'B')\">B. \u52a0\u5165 <code>enabled: !!userId<\/code> \u53ea\u5728 userId \u5b58\u5728\u6642\u57f7\u884c\u67e5\u8a62<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'B')\">C. \u52a0\u5165 <code>retry: false<\/code> \u907f\u514d\u932f\u8aa4\u91cd\u8a66<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'B')\">D. \u52a0\u5165 <code>gcTime: 0<\/code> \u8b93\u7121\u6548\u5feb\u53d6\u7acb\u5373\u6e05\u9664<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u5c0f\u660e\u5728\u4f7f\u7528 TanStack Query \u6642\u9047\u5230\u932f\u8aa4\u3002\u4ed6\u7684\u7a0b\u5f0f\u78bc\u5982\u4e0b\uff0c\u4f46 useQuery \u7121\u6cd5\u6b63\u5e38\u904b\u4f5c\uff1a<span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">\/\/ App.jsx\nimport { useQuery } from &#8216;@tanstack\/react-query&#8217;;\n\nfunction App() {\n  const { data, isLoading } = useQuery({\n    queryKey: [&#8216;users&#8217;],\n    queryFn: fetchUsers,\n  });\n\n  if (isLoading) return &lt;div&gt;\u8f09\u5165\u4e2d&#8230;&lt;\/div&gt;;\n  return &lt;div&gt;{data.length} \u4f4d\u4f7f\u7528\u8005&lt;\/div&gt;;\n}\n\nexport default App;<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'D')\">A. <code>queryKey<\/code> \u61c9\u8a72\u4f7f\u7528\u5b57\u4e32\u800c\u975e\u9663\u5217<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'D')\">B. <code>fetchUsers<\/code> \u61c9\u8a72\u5b9a\u7fa9\u70ba\u7bad\u982d\u51fd\u5f0f<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'D')\">C. \u7f3a\u5c11 <code>staleTime<\/code> \u8a2d\u5b9a<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'D')\">D. \u7f3a\u5c11 <code>QueryClientProvider<\/code> \u5305\u88f9\u61c9\u7528\u7a0b\u5f0f<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u5c0f\u83ef\u767c\u73fe\u4ed6\u7684\u61c9\u7528\u7a0b\u5f0f\u5728\u5207\u63db\u9801\u9762\u5f8c\uff0c\u5feb\u53d6\u8cc7\u6599\u5f88\u5feb\u5c31\u6d88\u5931\u4e86\uff0c\u6bcf\u6b21\u8fd4\u56de\u540c\u4e00\u9801\u90fd\u8981\u91cd\u65b0\u8f09\u5165\u3002\u4ed6\u7684\u8a2d\u5b9a\u5982\u4e0b\uff0c\u554f\u984c\u6700\u53ef\u80fd\u51fa\u5728\u54ea\u88e1\uff1f<span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">const { data } = useQuery({\n  queryKey: [&#8216;products&#8217;],\n  queryFn: fetchProducts,\n  staleTime: 5 * 60 * 1000,  \/\/ 5 \u5206\u9418\n  gcTime: 10 * 1000,          \/\/ 10 \u79d2\n});<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'B')\">A. <code>staleTime<\/code> \u8a2d\u5b9a\u592a\u9577\uff0c\u61c9\u8a72\u7e2e\u77ed<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'B')\">B. <code>gcTime<\/code> \u8a2d\u5b9a\u592a\u77ed\uff0c\u5feb\u53d6\u5728\u5143\u4ef6\u5378\u8f09\u5f8c\u5f88\u5feb\u5c31\u88ab\u6e05\u9664<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'B')\">C. <code>queryKey<\/code> \u8a2d\u8a08\u4e0d\u7576\uff0c\u61c9\u8a72\u52a0\u5165\u66f4\u591a\u53c3\u6578<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'B')\">D. \u7f3a\u5c11 <code>enabled<\/code> \u9078\u9805\uff0c\u5c0e\u81f4\u67e5\u8a62\u672a\u88ab\u57f7\u884c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \"\u5c0d\u65bc\u5373\u6642\u80a1\u50f9\u9019\u985e\u9700\u8981\u983b\u7e41\u66f4\u65b0\u7684\u8cc7\u6599\uff0c\u61c9\u8a72\u8a2d\u5b9a\u8f03\u77ed\u7684 <code>staleTime<\/code>\uff08\u5982 10 \u79d2\uff09\u3002\u6587\u7ae0\u7bc4\u4f8b\u4e2d\u4e5f\u7279\u5225\u63d0\u5230\uff1a\u300c\u5373\u6642\u80a1\u50f9\u9700\u8981\u983b\u7e41\u66f4\u65b0\uff0c\u8a2d\u5b9a 10 \u79d2\u300d\u3002\u8a2d\u70ba 0 \u96d6\u7136\u4e5f\u6703\u66f4\u65b0\uff0c\u4f46\u6703\u5728\u6bcf\u6b21\u89f8\u767c\u689d\u4ef6\u6642\u90fd\u767c\u9001\u8acb\u6c42\uff0c\u800c 10 \u79d2\u53ef\u4ee5\u5728\u983b\u7e41\u66f4\u65b0\u548c\u6e1b\u5c11\u8acb\u6c42\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002\",\n        2: \"\u5c07 <code>filters<\/code> \u653e\u5165 queryKey\uff08\u5373 <code>['users', filters]<\/code>\uff09\u662f\u6b63\u78ba\u505a\u6cd5\u3002\u9019\u6a23\u8a2d\u8a08\u53ef\u4ee5\u8b93\u4e0d\u540c\u7684 filters \u6709\u4e0d\u540c\u7684\u5feb\u53d6\uff0c\u7576 filters \u6539\u8b8a\u6642\uff0cTanStack Query \u6703\u81ea\u52d5\u4f7f\u7528\u65b0\u7684\u5feb\u53d6\u6216\u767c\u9001\u65b0\u8acb\u6c42\u3002\u7269\u4ef6\u6703\u88ab\u6df1\u5ea6\u6bd4\u8f03\uff0c\u5167\u5bb9\u76f8\u540c\u5c31\u6703\u4f7f\u7528\u540c\u4e00\u4efd\u5feb\u53d6\u3002\",\n        3: \"\u4f7f\u7528 <code>enabled: !!userId<\/code> \u53ef\u4ee5\u63a7\u5236\u67e5\u8a62\u662f\u5426\u57f7\u884c\u3002\u7576 userId \u70ba undefined \u6216 null \u6642\uff0c<code>!!userId<\/code> \u70ba false\uff0c\u67e5\u8a62\u4e0d\u6703\u57f7\u884c\uff0c\u907f\u514d\u767c\u9001\u7121\u6548\u7684 API \u8acb\u6c42\u3002\u9019\u662f\u6587\u7ae0\u5b8c\u6574\u7bc4\u4f8b\u4e2d\u7279\u5225\u793a\u7bc4\u7684\u7528\u6cd5\u3002\",\n        4: \"\u4efb\u4f55\u4f7f\u7528 <code>useQuery<\/code> \u7684\u5143\u4ef6\u90fd\u5fc5\u9808\u5728 <code>QueryClientProvider<\/code> \u5167\u90e8\u3002\u5c0f\u660e\u7684\u7a0b\u5f0f\u78bc\u7f3a\u5c11\u4e86\u5728 App \u5916\u5c64\u6216 main.jsx \u4e2d\u8a2d\u5b9a <code>QueryClientProvider<\/code>\uff0c\u9019\u662f\u4f7f\u7528 TanStack Query \u7684\u5fc5\u8981\u8a2d\u5b9a\u3002\",\n        5: \"<code>gcTime<\/code>\uff08\u5783\u573e\u56de\u6536\u6642\u9593\uff09\u8a2d\u5b9a\u70ba 10 \u79d2\u592a\u77ed\u4e86\u3002\u7576\u5143\u4ef6\u5378\u8f09\u5f8c\uff08\u5982\u5207\u63db\u9801\u9762\uff09\uff0c\u5feb\u53d6\u6703\u5728 10 \u79d2\u5f8c\u88ab\u6e05\u9664\u3002\u6587\u7ae0\u63d0\u5230 <code>gcTime<\/code> \u9810\u8a2d\u503c\u662f 5 \u5206\u9418\uff0c\u800c\u5c0f\u83ef\u8a2d\u5b9a\u7684 10 \u79d2\u9060\u4f4e\u65bc\u6b64\uff0c\u5c0e\u81f4\u5feb\u53d6\u904e\u65e9\u88ab\u6e05\u9664\u3002\u5efa\u8b70\u5c07 <code>gcTime<\/code> \u8a2d\u70ba\u81f3\u5c11\u8207 <code>staleTime<\/code> \u76f8\u540c\u6216\u66f4\u9577\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\ud83c\udfaf \u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\ud83d\udcaa \u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\ud83d\udcd6 \u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\ud83d\udd04 \u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1aTanStack Query \u57fa\u790e\uff1auseQuery \u8207\u81ea\u52d5\u5feb\u53d6 \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rolpb_likes":0,"footnotes":""},"categories":[276],"tags":[283,269,278,281,282],"class_list":["post-284","post","type-post","status-publish","format-standard","hentry","category-tanstack-query-zustand","tag-query-key","tag-react","tag-tanstack-query","tag-usequery","tag-282"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/comments?post=284"}],"version-history":[{"count":0,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/284\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}