{"id":280,"date":"2026-01-25T01:30:34","date_gmt":"2026-01-24T17:30:34","guid":{"rendered":"https:\/\/skwp.zeabur.app\/2026\/01\/25\/%e3%80%90react-router-%e6%95%99%e5%ad%b8%e3%80%9103-%e5%8b%95%e6%85%8b%e8%b7%af%e7%94%b1%e8%88%87%e5%8f%83%e6%95%b8%e5%82%b3%e9%81%9e\/"},"modified":"2026-01-25T01:30:34","modified_gmt":"2026-01-24T17:30:34","slug":"%e3%80%90react-router-%e6%95%99%e5%ad%b8%e3%80%9103-%e5%8b%95%e6%85%8b%e8%b7%af%e7%94%b1%e8%88%87%e5%8f%83%e6%95%b8%e5%82%b3%e9%81%9e","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/01\/25\/%e3%80%90react-router-%e6%95%99%e5%ad%b8%e3%80%9103-%e5%8b%95%e6%85%8b%e8%b7%af%e7%94%b1%e8%88%87%e5%8f%83%e6%95%b8%e5%82%b3%e9%81%9e\/","title":{"rendered":"\u3010React Router \u6559\u5b78\u3011#03 \u52d5\u614b\u8def\u7531\u8207\u53c3\u6578\u50b3\u905e"},"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\uff1aReact Router \u52d5\u614b\u8def\u7531\u8207\u53c3\u6578\u50b3\u905e<\/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. \u5728 React Router \u4e2d\uff0c\u4ee5\u4e0b\u54ea\u500b\u8def\u7531\u5b9a\u7fa9\u53ef\u4ee5\u5339\u914d <code>\/users\/123<\/code> \u9019\u500b\u8def\u5f91\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. <code>&lt;Route path=\"\/users\" element={&lt;UserPage \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. <code>&lt;Route path=\"\/users\/:id\" element={&lt;UserPage \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. <code>&lt;Route path=\"\/users\/123\" element={&lt;UserPage \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. <code>&lt;Route path=\"\/users\/*\" element={&lt;UserPage \/&gt;} \/&gt;<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u4f7f\u7528 <code>useParams()<\/code> \u53d6\u5f97\u7684 URL \u53c3\u6578\u503c\u662f\u4ec0\u9ebc\u578b\u5225\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. \u6578\u5b57\uff08Number\uff09<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. \u7269\u4ef6\uff08Object\uff09<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. \u5b57\u4e32\uff08String\uff09<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. \u8996 URL \u5167\u5bb9\u81ea\u52d5\u5224\u65b7\u578b\u5225<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u5982\u679c\u8981\u53d6\u5f97 URL \u4e2d <code>?category=phone&sort=price<\/code> \u7684\u53c3\u6578\uff0c\u61c9\u8a72\u4f7f\u7528\u54ea\u500b Hook\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'B')\">A. <code>useParams()<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'B')\">B. <code>useSearchParams()<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'B')\">C. <code>useLocation()<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'B')\">D. <code>useQuery()<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u4ee5\u4e0b\u8def\u7531\u5b9a\u7fa9\u4e2d\uff0c\u54ea\u4e00\u500b\u53ef\u4ee5\u5339\u914d <code>\/blog\/2024\/03\/hello-world<\/code>\uff1f<\/h3>\n      <div class=\"code-block\">&lt;Route path=&#8221;\/blog\/:year\/:month\/:slug&#8221; element={&lt;BlogPost \/&gt;} \/&gt;<\/div>\n      <p>\u5339\u914d\u5f8c\uff0c<code>useParams()<\/code> \u6703\u56de\u50b3\u4ec0\u9ebc\uff1f<\/p>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'A')\">A. <code>{ year: \"2024\", month: \"03\", slug: \"hello-world\" }<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'A')\">B. <code>{ year: 2024, month: 3, slug: \"hello-world\" }<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'A')\">C. <code>[\"2024\", \"03\", \"hello-world\"]<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'A')\">D. <code>{ params: { year: \"2024\", month: \"03\", slug: \"hello-world\" } }<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u6839\u64da\u6587\u7ae0\u5efa\u8b70\uff0c\u8b58\u5225\u300c\u7279\u5b9a\u8cc7\u6e90\u300d\uff08\u5982\u67d0\u500b\u4f7f\u7528\u8005\u3001\u67d0\u500b\u5546\u54c1\uff09\u6642\uff0c\u61c9\u8a72\u512a\u5148\u4f7f\u7528\u54ea\u7a2e\u65b9\u5f0f\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'A')\">A. \u52d5\u614b\u8def\u7531\uff08\u5982 <code>\/products\/:id<\/code>\uff09<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'A')\">B. \u67e5\u8a62\u5b57\u4e32\uff08\u5982 <code>?id=123<\/code>\uff09<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'A')\">C. \u5169\u8005\u7686\u53ef\uff0c\u6c92\u6709\u5dee\u5225<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'A')\">D. \u61c9\u8a72\u7528 localStorage \u5132\u5b58<\/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: \"\u4f7f\u7528\u5192\u865f <code>:id<\/code> \u8a9e\u6cd5\u53ef\u4ee5\u5b9a\u7fa9\u52d5\u614b\u53c3\u6578\uff0c\u8b93\u8def\u7531\u5339\u914d\u4efb\u610f\u503c\u3002\u9078\u9805 A \u7f3a\u5c11\u53c3\u6578\u7121\u6cd5\u5339\u914d\uff0c\u9078\u9805 C \u53ea\u80fd\u5339\u914d\u56fa\u5b9a\u7684 123\uff0c\u9078\u9805 D \u7684 <code>*<\/code> \u662f\u842c\u7528\u5b57\u5143\u4f46\u4e0d\u662f\u6a19\u6e96\u7684\u52d5\u614b\u53c3\u6578\u5beb\u6cd5\u3002\",\n        2: \"URL \u53c3\u6578\u6c38\u9060\u662f\u5b57\u4e32\u578b\u5225\u3002\u5373\u4f7f URL \u4e2d\u662f <code>\/users\/123<\/code>\uff0c<code>useParams()<\/code> \u53d6\u5f97\u7684 <code>id<\/code> \u4e5f\u6703\u662f <code>\\\"123\\\"<\/code> \u5b57\u4e32\uff0c\u5982\u679c\u9700\u8981\u7576\u6578\u5b57\u4f7f\u7528\u5fc5\u9808\u624b\u52d5\u8f49\u63db\u3002\",\n        3: \"<code>useSearchParams()<\/code> \u5c08\u9580\u7528\u65bc\u8655\u7406 URL \u4e2d\u554f\u865f <code>?<\/code> \u5f8c\u9762\u7684\u67e5\u8a62\u5b57\u4e32\u3002<code>useParams()<\/code> \u662f\u7528\u4f86\u53d6\u5f97\u8def\u5f91\u4e2d\u7684\u52d5\u614b\u53c3\u6578\uff08\u5982 <code>:id<\/code>\uff09\uff0c\u5169\u8005\u7528\u9014\u4e0d\u540c\u3002\",\n        4: \"<code>useParams()<\/code> \u56de\u50b3\u4e00\u500b\u7269\u4ef6\uff0ckey \u662f\u8def\u7531\u5b9a\u7fa9\u4e2d\u7684\u53c3\u6578\u540d\u7a31\uff08<code>:year<\/code>\u3001<code>:month<\/code>\u3001<code>:slug<\/code>\uff09\uff0cvalue \u90fd\u662f\u5b57\u4e32\u578b\u5225\u3002\u4e0d\u6703\u81ea\u52d5\u8f49\u6210\u6578\u5b57\uff0c\u4e5f\u4e0d\u6703\u5305\u88dd\u5728\u984d\u5916\u7684 <code>params<\/code> \u5c6c\u6027\u4e2d\u3002\",\n        5: \"\u6587\u7ae0\u660e\u78ba\u5efa\u8b70\uff1a\u300c\u54ea\u4e00\u500b\u300d\uff08\u8b58\u5225\u7279\u5b9a\u8cc7\u6e90\uff09\u7528\u52d5\u614b\u8def\u7531\uff0c\u300c\u600e\u9ebc\u986f\u793a\u300d\uff08\u7be9\u9078\u3001\u6392\u5e8f\uff09\u7528\u67e5\u8a62\u5b57\u4e32\u3002\u52d5\u614b\u8def\u7531\u66f4\u9069\u5408\u88ab\u641c\u5c0b\u5f15\u64ce\u7d22\u5f15\uff0c\u8a9e\u610f\u4e5f\u66f4\u6e05\u695a\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\">\u5728\u4e0a\u4e00\u7bc7\u6211\u5011\u5b78\u6703\u4e86\u7528 <code>Route<\/code> \u5b9a\u7fa9\u975c\u614b\u8def\u7531\u3001\u7528 <code>Link<\/code> \u5207\u63db\u9801\u9762\u3002\u4f46\u771f\u5be6\u7684\u7db2\u7ad9\u4e0d\u6703\u53ea\u6709 <code>\/about<\/code>\u3001<code>\/contact<\/code> \u9019\u7a2e\u56fa\u5b9a\u8def\u5f91\u2014\u2014\u4f60\u6703\u9700\u8981 <code>\/users\/1<\/code>\u3001<code>\/users\/2<\/code>\u3001<code>\/products\/abc123<\/code> \u9019\u7a2e\u300c\u8def\u5f91\u4e2d\u5e36\u6709\u8b8a\u6578\u300d\u7684\u9801\u9762\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u7bc7\u6587\u7ae0\u6703\u6559\u4f60\u5982\u4f55\u8b80\u61c2 React Router \u7684\u52d5\u614b\u8def\u7531\u8a9e\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u5143\u4ef6\u4e2d\u53d6\u5f97\u9019\u4e9b\u53c3\u6578\u3002<\/p>\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>\u5b9a\u7fa9\u52d5\u614b\u8def\u7531\u53c3\u6578\uff08<code>:id<\/code> \u8a9e\u6cd5\uff09<\/li>\n<li>\u4f7f\u7528 <code>useParams<\/code> Hook \u53d6\u5f97 URL \u53c3\u6578<\/li>\n<li>\u4f7f\u7528 <code>useSearchParams<\/code> \u8655\u7406\u67e5\u8a62\u5b57\u4e32<\/li>\n<li>\u5be6\u4f5c\u5546\u54c1\u8a73\u60c5\u9801\u3001\u4f7f\u7528\u8005\u9801\u9762\u7b49\u52d5\u614b\u9801\u9762<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u52d5\u614b\u8def\u7531\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a8d\u8b58\u5192\u865f\u53c3\u6578 <code>:id<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u5728 React Router \u5c08\u6848\u4e2d\u770b\u5230\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\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\">&lt;Route path=<span class=\"hljs-string\">\"\/users\/:id\"<\/span> element={&lt;UserPage \/&gt;} \/&gt;\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\">\u9019\u500b <code>:id<\/code> \u5c31\u662f<strong>\u52d5\u614b\u53c3\u6578<\/strong>\u3002\u5b83\u7684\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/users\/1<\/code> \u6703\u5339\u914d\uff0c<code>id<\/code> \u7684\u503c\u662f <code>\"1\"<\/code><\/li>\n<li><code>\/users\/abc<\/code> \u6703\u5339\u914d\uff0c<code>id<\/code> \u7684\u503c\u662f <code>\"abc\"<\/code><\/li>\n<li><code>\/users\/john-doe<\/code> \u6703\u5339\u914d\uff0c<code>id<\/code> \u7684\u503c\u662f <code>\"john-doe\"<\/code><\/li>\n<li><code>\/users<\/code> \u4e0d\u6703\u5339\u914d\uff08\u7f3a\u5c11\u53c3\u6578\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u95dc\u9375\u7406\u89e3<\/strong>\uff1a\u5192\u865f\u5f8c\u9762\u7684\u540d\u7a31\uff08\u5982 <code>id<\/code>\uff09\u53ea\u662f\u8b8a\u6578\u540d\u7a31\uff0c\u4f60\u53ef\u4ee5\u53d6\u4efb\u4f55\u6709\u610f\u7fa9\u7684\u540d\u5b57\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-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u9019\u4e09\u500b\u6548\u679c\u76f8\u540c\uff0c\u53ea\u662f\u53c3\u6578\u540d\u7a31\u4e0d\u540c<\/span>\n&lt;Route path=<span class=\"hljs-string\">\"\/users\/:id\"<\/span> element={&lt;UserPage \/&gt;} \/&gt;\n<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Route<\/span> <span class=\"hljs-attr\">path<\/span>=<span class=\"hljs-string\">\"\/users\/:userId\"<\/span> <span class=\"hljs-attr\">element<\/span>=<span class=\"hljs-string\">{<\/span>&lt;<span class=\"hljs-attr\">UserPage<\/span> \/&gt;<\/span>} \/&gt;<\/span>\n<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Route<\/span> <span class=\"hljs-attr\">path<\/span>=<span class=\"hljs-string\">\"\/users\/:username\"<\/span> <span class=\"hljs-attr\">element<\/span>=<span class=\"hljs-string\">{<\/span>&lt;<span class=\"hljs-attr\">UserPage<\/span> \/&gt;<\/span>} \/&gt;<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><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\">\u591a\u500b\u52d5\u614b\u53c3\u6578<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u5f91\u4e2d\u53ef\u4ee5\u6709\u591a\u500b\u52d5\u614b\u53c3\u6578\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\">&lt;Route path=<span class=\"hljs-string\">\"\/blog\/:year\/:month\/:slug\"<\/span> element={&lt;BlogPost \/&gt;} \/&gt;\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\">\u9019\u6703\u5339\u914d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/blog\/2024\/03\/hello-world<\/code><\/li>\n<li><code>\/blog\/2025\/12\/react-tips<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c3\u6578\u503c\u5206\u5225\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>year: \"2024\"<\/code>, <code>month: \"03\"<\/code>, <code>slug: \"hello-world\"<\/code><\/li>\n<li><code>year: \"2025\"<\/code>, <code>month: \"12\"<\/code>, <code>slug: \"react-tips\"<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528 useParams \u53d6\u5f97\u53c3\u6578<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7528\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u5728\u5143\u4ef6\u4e2d\u9700\u8981\u8b80\u53d6 URL \u53c3\u6578\u6642\uff0c\u6703\u770b\u5230\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\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-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { useParams } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react-router-dom'<\/span>;\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserPage<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> params = useParams();\n\n  <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>\u4f7f\u7528\u8005 ID: {params.id}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span><\/span>;\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<p class=\"wp-block-paragraph\"><strong>\u8b80\u61c2\u9019\u6bb5\u7a0b\u5f0f\u78bc<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>useParams()<\/code> \u662f React Router \u63d0\u4f9b\u7684 Hook<\/li>\n<li>\u5b83\u56de\u50b3\u4e00\u500b\u7269\u4ef6\uff0c\u5305\u542b\u6240\u6709\u52d5\u614b\u53c3\u6578<\/li>\n<li>\u53c3\u6578\u540d\u7a31\u5c0d\u61c9 Route \u4e2d\u5b9a\u7fa9\u7684\u540d\u7a31\uff08<code>:id<\/code> \u2192 <code>params.id<\/code>\uff09<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u898b\u7684\u89e3\u69cb\u5beb\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5be6\u52d9\u4e0a\u66f4\u5e38\u770b\u5230\u7528\u89e3\u69cb\u53d6\u51fa\u53c3\u6578\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-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">UserPage<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { id } = useParams();\n\n  <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>\u4f7f\u7528\u8005 ID: {id}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span><\/span>;\n}\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\">\u591a\u500b\u53c3\u6578\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-6\" 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\">BlogPost<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { year, month, slug } = useParams();\n\n  <span class=\"hljs-keyword\">return<\/span> (\n    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">article<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u767c\u5e03\u65e5\u671f: {year}\/{month}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u6587\u7ae0\u4ee3\u7a31: {slug}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">article<\/span>&gt;<\/span><\/span>\n  );\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<h3 class=\"wp-block-heading\">\u53c3\u6578\u503c\u6c38\u9060\u662f\u5b57\u4e32<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91cd\u8981\u89c0\u5ff5<\/strong>\uff1aURL \u53c3\u6578\u6c38\u9060\u662f\u5b57\u4e32\u578b\u5225\u3002<\/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-7\" 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\">ProductPage<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { id } = useParams();\n\n  <span class=\"hljs-comment\">\/\/ id \u662f \"123\"\uff08\u5b57\u4e32\uff09\uff0c\u4e0d\u662f 123\uff08\u6578\u5b57\uff09<\/span>\n  <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-keyword\">typeof<\/span> id); <span class=\"hljs-comment\">\/\/ \"string\"<\/span>\n\n  <span class=\"hljs-comment\">\/\/ \u5982\u679c\u8981\u7576\u6578\u5b57\u7528\uff0c\u9700\u8981\u8f49\u63db<\/span>\n  <span class=\"hljs-keyword\">const<\/span> productId = <span class=\"hljs-built_in\">Number<\/span>(id);\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<h2 class=\"wp-block-heading\">\u5be6\u52d9\u7bc4\u4f8b\uff1a\u5546\u54c1\u5217\u8868\u8207\u8a73\u60c5\u9801<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b93\u6211\u5011\u770b\u4e00\u500b\u5b8c\u6574\u7684\u7bc4\u4f8b\uff0c\u9019\u662f\u96fb\u5546\u7db2\u7ad9\u6700\u5e38\u898b\u7684\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8def\u7531\u8a2d\u5b9a<\/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-8\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ App.jsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { BrowserRouter, Routes, Route } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react-router-dom'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> ProductList <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/ProductList'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> ProductDetail <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/ProductDetail'<\/span>;\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\">BrowserRouter<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Routes<\/span>&gt;<\/span>\n        <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Route<\/span> <span class=\"hljs-attr\">path<\/span>=<span class=\"hljs-string\">\"\/products\"<\/span> <span class=\"hljs-attr\">element<\/span>=<span class=\"hljs-string\">{<\/span>&lt;<span class=\"hljs-attr\">ProductList<\/span> \/&gt;<\/span>} \/&gt;\n        <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Route<\/span> <span class=\"hljs-attr\">path<\/span>=<span class=\"hljs-string\">\"\/products\/:productId\"<\/span> <span class=\"hljs-attr\">element<\/span>=<span class=\"hljs-string\">{<\/span>&lt;<span class=\"hljs-attr\">ProductDetail<\/span> \/&gt;<\/span>} \/&gt;\n      <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">Routes<\/span>&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">BrowserRouter<\/span>&gt;<\/span><\/span>\n  );\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\">\u5546\u54c1\u5217\u8868\u9801<\/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-comment\">\/\/ ProductList.jsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { Link } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react-router-dom'<\/span>;\n\n<span class=\"hljs-keyword\">const<\/span> products = &#91;\n  { <span class=\"hljs-attr\">id<\/span>: <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'iPhone 15'<\/span> },\n  { <span class=\"hljs-attr\">id<\/span>: <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'MacBook Pro'<\/span> },\n  { <span class=\"hljs-attr\">id<\/span>: <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'AirPods'<\/span> },\n];\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">ProductList<\/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\">ul<\/span>&gt;<\/span>\n      {products.map(product =&gt; (\n        <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">li<\/span> <span class=\"hljs-attr\">key<\/span>=<span class=\"hljs-string\">{product.id}<\/span>&gt;<\/span>\n          <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Link<\/span> <span class=\"hljs-attr\">to<\/span>=<span class=\"hljs-string\">{<\/span>`\/<span class=\"hljs-attr\">products<\/span>\/${<span class=\"hljs-attr\">product.id<\/span>}`}&gt;<\/span>\n            {product.name}\n          <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">Link<\/span>&gt;<\/span>\n        <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">li<\/span>&gt;<\/span>\n      ))}\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">ul<\/span>&gt;<\/span><\/span>\n  );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8b80\u61c2 Link \u7684 to \u5c6c\u6027<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6a21\u677f\u5b57\u4e32 `<code> <\/code>\/products\/${product.id}<code> <\/code><code><\/li>\n<li>\u7576 <\/code>product.id<code> \u662f <\/code>1<code>\uff0c\u751f\u6210\u7684\u8def\u5f91\u662f <\/code>\/products\/1<code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5546\u54c1\u8a73\u60c5\u9801<\/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=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ ProductDetail.jsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { useParams } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react-router-dom'<\/span>;\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">ProductDetail<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { productId } = useParams();\n\n  <span class=\"hljs-comment\">\/\/ \u5be6\u969b\u5c08\u6848\u4e2d\uff0c\u9019\u88e1\u6703\u7528 productId \u53bb API \u53d6\u5f97\u5546\u54c1\u8cc7\u6599<\/span>\n  <span class=\"hljs-comment\">\/\/ \u4f8b\u5982: useEffect(() =&gt; { fetch(`\/api\/products\/${productId}`) }, &#91;productId])<\/span>\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      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>\u5546\u54c1\u8a73\u60c5<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u5546\u54c1 ID: {productId}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/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-10\"><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<h2 class=\"wp-block-heading\">\u67e5\u8a62\u5b57\u4e32\uff08Query String\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ec0\u9ebc\u662f\u67e5\u8a62\u5b57\u4e32\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">URL \u4e2d <\/code>?<code> \u5f8c\u9762\u7684\u90e8\u5206\u5c31\u662f\u67e5\u8a62\u5b57\u4e32\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\"><span><code class=\"hljs\">\/products?category=phone&amp;sort=price\n         ^^^^^^^^^^^^^^^^^^^^^^^^^^ \u67e5\u8a62\u5b57\u4e32\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u8a62\u5b57\u4e32\u5e38\u7528\u65bc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7be9\u9078\u689d\u4ef6\uff1a<\/code>?category=phone<code><\/li>\n<li>\u6392\u5e8f\u65b9\u5f0f\uff1a<\/code>?sort=price&#038;order=desc<code><\/li>\n<li>\u5206\u9801\uff1a<\/code>?page=2&#038;limit=10<code><\/li>\n<li>\u641c\u5c0b\u95dc\u9375\u5b57\uff1a<\/code>?q=react<code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528 useSearchParams<\/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-keyword\">import<\/span> { useSearchParams } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react-router-dom'<\/span>;\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">ProductList<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> &#91;searchParams, setSearchParams] = useSearchParams();\n\n  <span class=\"hljs-comment\">\/\/ \u8b80\u53d6\u53c3\u6578<\/span>\n  <span class=\"hljs-keyword\">const<\/span> category = searchParams.get(<span class=\"hljs-string\">'category'<\/span>);\n  <span class=\"hljs-keyword\">const<\/span> sort = searchParams.get(<span class=\"hljs-string\">'sort'<\/span>);\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      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u5206\u985e: {category || '\u5168\u90e8'}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u6392\u5e8f: {sort || '\u9810\u8a2d'}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/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-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<p class=\"wp-block-paragraph\"><strong>\u8b80\u61c2\u9019\u6bb5\u7a0b\u5f0f\u78bc<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/code>useSearchParams()<code> \u56de\u50b3\u9663\u5217 <\/code>[searchParams, setSearchParams]<code><\/li>\n<li><\/code>searchParams.get(&#8216;category&#8217;)<code> \u53d6\u5f97 <\/code>category<code> \u53c3\u6578\u7684\u503c<\/li>\n<li>\u5982\u679c\u53c3\u6578\u4e0d\u5b58\u5728\uff0c<\/code>get()<code> \u56de\u50b3 <\/code>null<code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6539\u67e5\u8a62\u5b57\u4e32<\/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-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\">ProductList<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> &#91;searchParams, setSearchParams] = useSearchParams();\n\n  <span class=\"hljs-keyword\">const<\/span> handleCategoryChange = <span class=\"hljs-function\">(<span class=\"hljs-params\">newCategory<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-comment\">\/\/ \u8a2d\u5b9a\u65b0\u7684\u67e5\u8a62\u5b57\u4e32\uff0cURL \u6703\u8b8a\u6210 ?category=phone<\/span>\n    setSearchParams({ <span class=\"hljs-attr\">category<\/span>: newCategory });\n  };\n\n  <span class=\"hljs-keyword\">const<\/span> handleAddSort = <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {\n    <span class=\"hljs-comment\">\/\/ \u4fdd\u7559\u73fe\u6709\u53c3\u6578\uff0c\u65b0\u589e sort<\/span>\n    searchParams.set(<span class=\"hljs-string\">'sort'<\/span>, <span class=\"hljs-string\">'price'<\/span>);\n    setSearchParams(searchParams);\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      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span> <span class=\"hljs-attr\">onClick<\/span>=<span class=\"hljs-string\">{()<\/span> =&gt;<\/span> handleCategoryChange('phone')}&gt;\n        \u53ea\u770b\u624b\u6a5f\n      <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span>\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span> <span class=\"hljs-attr\">onClick<\/span>=<span class=\"hljs-string\">{handleAddSort}<\/span>&gt;<\/span>\n        \u4f9d\u50f9\u683c\u6392\u5e8f\n      <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/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-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<h2 class=\"wp-block-heading\">\u52d5\u614b\u8def\u7531 vs \u67e5\u8a62\u5b57\u4e32\uff1a\u4f55\u6642\u7528\u54ea\u500b\uff1f<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u60c5\u5883<\/th>\n<th>\u5efa\u8b70\u4f7f\u7528<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8b58\u5225\u7279\u5b9a\u8cc7\u6e90<\/td>\n<td>\u52d5\u614b\u8def\u7531<\/td>\n<td><\/code>\/users\/123<code>, <\/code>\/products\/abc<code><\/td>\n<\/tr>\n<tr>\n<td>\u7be9\u9078\/\u6392\u5e8f\/\u5206\u9801<\/td>\n<td>\u67e5\u8a62\u5b57\u4e32<\/td>\n<td><\/code>?sort=price&#038;page=2<code><\/td>\n<\/tr>\n<tr>\n<td>\u9700\u8981\u88ab\u641c\u5c0b\u5f15\u64ce\u7d22\u5f15<\/td>\n<td>\u52d5\u614b\u8def\u7531<\/td>\n<td><\/code>\/blog\/2024\/my-post<code><\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u8005\u53ef\u9078\u7684\u689d\u4ef6<\/td>\n<td>\u67e5\u8a62\u5b57\u4e32<\/td>\n<td><\/code>?theme=dark<code><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7c21\u55ae\u8a18\u6cd5<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300c\u54ea\u4e00\u500b\u300d\u2192 \u52d5\u614b\u8def\u7531\uff08<\/code>\/products\/:id<code>\uff09<\/li>\n<li>\u300c\u600e\u9ebc\u986f\u793a\u300d\u2192 \u67e5\u8a62\u5b57\u4e32\uff08<\/code>?sort=price<code>\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u898b\u7a0b\u5f0f\u78bc\u6a21\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5f0f\u4e00\uff1a\u8a73\u60c5\u9801\u8f09\u5165\u8cc7\u6599<\/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\">UserProfile<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> { userId } = useParams();\n  <span class=\"hljs-keyword\">const<\/span> &#91;user, setUser] = useState(<span class=\"hljs-literal\">null<\/span>);\n\n  useEffect(<span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {\n    fetch(<span class=\"hljs-string\">`\/api\/users\/<span class=\"hljs-subst\">${userId}<\/span>`<\/span>)\n      .then(<span class=\"hljs-function\"><span class=\"hljs-params\">res<\/span> =&gt;<\/span> res.json())\n      .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> setUser(data));\n  }, &#91;userId]); <span class=\"hljs-comment\">\/\/ userId \u8b8a\u5316\u6642\u91cd\u65b0\u8f09\u5165<\/span>\n\n  <span class=\"hljs-keyword\">if<\/span> (!user) <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u8f09\u5165\u4e2d...<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span><\/span>;\n\n  <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>{user.name}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span><\/span>;\n}\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<h3 class=\"wp-block-heading\">\u6a21\u5f0f\u4e8c\uff1a\u5217\u8868\u9801\u7be9\u9078<\/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-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">ProductList<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n  <span class=\"hljs-keyword\">const<\/span> &#91;searchParams] = useSearchParams();\n  <span class=\"hljs-keyword\">const<\/span> category = searchParams.get(<span class=\"hljs-string\">'category'<\/span>);\n\n  <span class=\"hljs-keyword\">const<\/span> &#91;products, setProducts] = useState(&#91;]);\n\n  useEffect(<span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {\n    <span class=\"hljs-keyword\">const<\/span> url = category\n      ? <span class=\"hljs-string\">`\/api\/products?category=<span class=\"hljs-subst\">${category}<\/span>`<\/span>\n      : <span class=\"hljs-string\">'\/api\/products'<\/span>;\n\n    fetch(url)\n      .then(<span class=\"hljs-function\"><span class=\"hljs-params\">res<\/span> =&gt;<\/span> res.json())\n      .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> setProducts(data));\n  }, &#91;category]);\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      {products.map(p =&gt; <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">li<\/span> <span class=\"hljs-attr\">key<\/span>=<span class=\"hljs-string\">{p.id}<\/span>&gt;<\/span>{p.name}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">li<\/span>&gt;<\/span>)}\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-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<h2 class=\"wp-block-heading\">\u91cd\u9ede\u6574\u7406<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6982\u5ff5<\/th>\n<th>\u8a9e\u6cd5<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u52d5\u614b\u8def\u7531\u53c3\u6578<\/td>\n<td><\/code>path=&#8221;\/users\/:id&#8221;<code><\/td>\n<td>\u5b9a\u7fa9 URL \u4e2d\u7684\u8b8a\u6578\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>useParams<\/td>\n<td><\/code>const { id } = useParams()<code><\/td>\n<td>\u5728\u5143\u4ef6\u4e2d\u53d6\u5f97\u8def\u5f91\u53c3\u6578<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8a62\u5b57\u4e32<\/td>\n<td><\/code>?key=value<code><\/td>\n<td>URL \u554f\u865f\u5f8c\u7684\u53c3\u6578<\/td>\n<\/tr>\n<tr>\n<td>useSearchParams<\/td>\n<td><\/code>const [params] = useSearchParams()`<\/td>\n<td>\u8b80\u53d6\/\u4fee\u6539\u67e5\u8a62\u5b57\u4e32<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u4e00\u6b65<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b78\u6703\u52d5\u614b\u8def\u7531\u5f8c\uff0c\u4e0b\u4e00\u7bc7\u6211\u5011\u5c07\u5b78\u7fd2\u300c\u5de2\u72c0\u8def\u7531\u8207 Outlet\u300d\uff0c\u9019\u662f\u5efa\u7acb\u8907\u96dc\u9801\u9762\u7d50\u69cb\uff08\u5982\u5074\u908a\u6b04\u4f48\u5c40\u3001\u5100\u8868\u677f\uff09\u7684\u95dc\u9375\u6280\u5de7\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\uff1aReact Router \u52d5\u614b\u8def\u7531\u8207\u53c3\u6578\u50b3\u905e<\/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\u96fb\u5546\u7db2\u7ad9\u7684\u5546\u54c1\u8a73\u60c5\u9801 <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <p>\u9700\u6c42\u662f\u7576\u4f7f\u7528\u8005\u9ede\u64ca\u5546\u54c1\u5217\u8868\u4e2d\u7684\u5546\u54c1\u6642\uff0c\u8df3\u8f49\u5230 <code>\/products\/\u5546\u54c1ID<\/code> \u9801\u9762\u4e26\u986f\u793a\u8a72\u5546\u54c1\u8cc7\u8a0a\u3002\u4f60\u9700\u8981\u5728\u8a73\u60c5\u9801\u5143\u4ef6\u4e2d\u53d6\u5f97\u5546\u54c1 ID \u5f8c\u547c\u53eb API\u3002\u4ee5\u4e0b\u54ea\u7a2e\u5beb\u6cd5\u6700\u6b63\u78ba\uff1f<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'C')\">A. <code>const id = window.location.pathname.split('\/')[2];<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'C')\">B. <code>const { id } = props.match.params;<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'C')\">C. <code>const { productId } = useParams();<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'C')\">D. <code>const [productId] = useSearchParams();<\/code><\/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\u5be6\u4f5c\u5546\u54c1\u5217\u8868\u7684\u7be9\u9078\u529f\u80fd <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <p>\u4f7f\u7528\u8005\u53ef\u4ee5\u9078\u64c7\u5206\u985e\u548c\u6392\u5e8f\u65b9\u5f0f\uff0cURL \u6703\u8b8a\u6210 <code>\/products?category=phone&sort=price<\/code>\u3002\u7576\u4f7f\u7528\u8005\u9ede\u64ca\u300c\u624b\u6a5f\u300d\u5206\u985e\u6309\u9215\u6642\uff0c\u4f60\u60f3\u8981\u66f4\u65b0 URL \u7684 category \u53c3\u6578\u4f46\u4fdd\u7559\u5176\u4ed6\u53c3\u6578\u3002\u4ee5\u4e0b\u54ea\u7a2e\u505a\u6cd5\u6700\u9069\u5408\uff1f<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'B')\">A. <code>setSearchParams({ category: 'phone' })<\/code>\uff08\u6703\u6e05\u9664\u5176\u4ed6\u53c3\u6578\uff09<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'B')\">B. <code>searchParams.set('category', 'phone'); setSearchParams(searchParams);<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'B')\">C. <code>window.location.href = '\/products?category=phone';<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'B')\">D. <code>navigate('\/products\/:category=phone');<\/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. \u8a2d\u8a08\u90e8\u843d\u683c\u6587\u7ae0\u7684 URL \u7d50\u69cb <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <p>\u4f60\u9700\u8981\u8a2d\u8a08\u90e8\u843d\u683c\u7684 URL\uff0c\u5e0c\u671b URL \u80fd\u5305\u542b\u5e74\u4efd\u3001\u6708\u4efd\u548c\u6587\u7ae0\u4ee3\u7a31\uff0c\u65b9\u4fbf SEO \u548c\u5206\u4eab\u3002\u4f8b\u5982\uff1a<code>\/blog\/2024\/03\/react-router-intro<\/code>\u3002\u4ee5\u4e0b\u54ea\u500b\u8def\u7531\u5b9a\u7fa9\u6700\u5408\u9069\uff1f<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'D')\">A. <code>&lt;Route path=\"\/blog\" element={&lt;BlogPost \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'D')\">B. <code>&lt;Route path=\"\/blog\/:id\" element={&lt;BlogPost \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'D')\">C. <code>&lt;Route path=\"\/blog\/*\" element={&lt;BlogPost \/&gt;} \/&gt;<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'D')\">D. <code>&lt;Route path=\"\/blog\/:year\/:month\/:slug\" element={&lt;BlogPost \/&gt;} \/&gt;<\/code><\/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. \u9664\u932f\uff1a\u5546\u54c1 ID \u6bd4\u5c0d\u5931\u6557 <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <p>\u5c0f\u660e\u5beb\u4e86\u4e00\u500b\u5546\u54c1\u8a73\u60c5\u9801\uff0c\u4f46\u767c\u73fe\u5546\u54c1\u8cc7\u6599\u4e00\u76f4\u627e\u4e0d\u5230\u3002\u4ee5\u4e0b\u662f\u4ed6\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n      <div class=\"code-block\">function ProductDetail() {\n  const { productId } = useParams();\n\n  \/\/ products \u662f\u5f9e API \u53d6\u5f97\u7684\u5546\u54c1\u9663\u5217\n  const product = products.find(p => p.id === productId);\n\n  if (!product) {\n    return &lt;p&gt;\u627e\u4e0d\u5230\u5546\u54c1&lt;\/p&gt;;  \/\/ \u7e3d\u662f\u986f\u793a\u9019\u500b\n  }\n\n  return &lt;h1&gt;{product.name}&lt;\/h1&gt;;\n}<\/div>\n      <p>\u5047\u8a2d <code>products<\/code> \u8cc7\u6599\u6b63\u78ba\uff0c<code>p.id<\/code> \u662f\u6578\u5b57\u578b\u5225\uff0c\u6700\u53ef\u80fd\u7684\u554f\u984c\u662f\u4ec0\u9ebc\uff1f<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. <code>useParams()<\/code> \u4f7f\u7528\u65b9\u5f0f\u932f\u8aa4<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. <code>productId<\/code> \u662f\u5b57\u4e32\uff0c<code>p.id<\/code> \u662f\u6578\u5b57\uff0c<code>===<\/code> \u6bd4\u5c0d\u5931\u6557<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. \u61c9\u8a72\u4f7f\u7528 <code>useSearchParams()<\/code> \u800c\u4e0d\u662f <code>useParams()<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. <code>find()<\/code> \u65b9\u6cd5\u4e0d\u80fd\u7528\u65bc\u9663\u5217<\/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. \u9664\u932f\uff1auseEffect \u7121\u9650\u8ff4\u5708 <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <p>\u5c0f\u7f8e\u5beb\u4e86\u4e00\u500b\u6703\u6839\u64da\u7be9\u9078\u689d\u4ef6\u91cd\u65b0\u8f09\u5165\u5546\u54c1\u7684\u9801\u9762\uff0c\u4f46\u700f\u89bd\u5668\u537b\u9677\u5165\u7121\u9650\u8ff4\u5708\uff0c\u4e00\u76f4\u767c\u9001 API \u8acb\u6c42\uff1a<\/p>\n      <div class=\"code-block\">function ProductList() {\n  const [searchParams, setSearchParams] = useSearchParams();\n  const [products, setProducts] = useState([]);\n\n  useEffect(() => {\n    const category = searchParams.get(&#8216;category&#8217;);\n    fetch(`\/api\/products?category=${category}`)\n      .then(res => res.json())\n      .then(data => {\n        setProducts(data);\n        setSearchParams({ category: category || &#8216;all&#8217; });\n      });\n  }, [searchParams, setSearchParams]);\n\n  return &lt;ul&gt;{products.map(p =&gt; &lt;li key={p.id}&gt;{p.name}&lt;\/li&gt;)}&lt;\/ul&gt;;\n}<\/div>\n      <p>\u9020\u6210\u7121\u9650\u8ff4\u5708\u7684\u6700\u53ef\u80fd\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'C')\">A. <code>useState<\/code> \u521d\u59cb\u503c\u8a2d\u5b9a\u932f\u8aa4<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'C')\">B. <code>fetch<\/code> \u6c92\u6709\u6b63\u78ba\u8655\u7406\u932f\u8aa4<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'C')\">C. <code>setSearchParams<\/code> \u5728 useEffect \u4e2d\u66f4\u65b0\uff0c\u5c0e\u81f4 <code>searchParams<\/code> \u8b8a\u5316\uff0c\u518d\u6b21\u89f8\u767c useEffect<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'C')\">D. <code>useSearchParams<\/code> \u4e0d\u80fd\u8207 <code>useEffect<\/code> \u4e00\u8d77\u4f7f\u7528<\/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: \"\u5728 React Router v6 \u4e2d\uff0c\u61c9\u8a72\u4f7f\u7528 <code>useParams()<\/code> Hook \u4f86\u53d6\u5f97\u8def\u7531\u53c3\u6578\u3002\u9078\u9805 A \u76f4\u63a5\u64cd\u4f5c <code>window.location<\/code> \u4e0d\u662f React \u7684\u505a\u6cd5\u3002\u9078\u9805 B \u662f\u820a\u7248 React Router \u7684\u5beb\u6cd5\uff08\u4f7f\u7528 props.match\uff09\u3002\u9078\u9805 D \u7684 <code>useSearchParams<\/code> \u662f\u7528\u65bc\u67e5\u8a62\u5b57\u4e32\uff0c\u4e0d\u662f\u8def\u5f91\u53c3\u6578\u3002\",\n        2: \"\u4f7f\u7528 <code>searchParams.set()<\/code> \u5f8c\u518d\u547c\u53eb <code>setSearchParams(searchParams)<\/code> \u53ef\u4ee5\u4fdd\u7559\u5176\u4ed6\u53c3\u6578\u540c\u6642\u66f4\u65b0\u6307\u5b9a\u7684\u53c3\u6578\u3002\u9078\u9805 A \u76f4\u63a5\u50b3\u5165\u65b0\u7269\u4ef6\u6703\u6e05\u9664\u6240\u6709\u73fe\u6709\u53c3\u6578\u3002\u9078\u9805 C \u6703\u5c0e\u81f4\u9801\u9762\u91cd\u65b0\u8f09\u5165\u3002\u9078\u9805 D \u7684\u8a9e\u6cd5\u5b8c\u5168\u932f\u8aa4\u3002\",\n        3: \"\u4f7f\u7528\u591a\u500b\u52d5\u614b\u53c3\u6578 <code>:year\/:month\/:slug<\/code> \u53ef\u4ee5\u6e05\u695a\u8868\u9054 URL \u7d50\u69cb\uff0c\u540c\u6642\u8b93\u6bcf\u500b\u90e8\u5206\u90fd\u80fd\u900f\u904e <code>useParams()<\/code> \u53d6\u5f97\u3002\u9019\u7a2e\u7d50\u69cb\u5c0d SEO \u53cb\u597d\uff0c\u4e5f\u65b9\u4fbf\u4f7f\u7528\u8005\u7406\u89e3\u548c\u5206\u4eab\u3002\",\n        4: \"<code>useParams()<\/code> \u56de\u50b3\u7684\u503c\u6c38\u9060\u662f\u5b57\u4e32\u578b\u5225\u3002\u7576 URL \u662f <code>\/products\/123<\/code> \u6642\uff0c<code>productId<\/code> \u7684\u503c\u662f\u5b57\u4e32 <code>\\\"123\\\"<\/code>\uff0c\u800c <code>p.id<\/code> \u662f\u6578\u5b57 <code>123<\/code>\u3002\u4f7f\u7528 <code>===<\/code> \u56b4\u683c\u6bd4\u5c0d\u6642\uff0c<code>\\\"123\\\" === 123<\/code> \u6703\u56de\u50b3 <code>false<\/code>\u3002\u89e3\u6c7a\u65b9\u6cd5\u662f\u4f7f\u7528 <code>Number(productId)<\/code> \u8f49\u63db\u578b\u5225\u3002\",\n        5: \"\u554f\u984c\u5728\u65bc <code>useEffect<\/code> \u7684\u4f9d\u8cf4\u9663\u5217\u5305\u542b <code>searchParams<\/code>\uff0c\u800c effect \u5167\u90e8\u53c8\u547c\u53eb\u4e86 <code>setSearchParams<\/code>\u3002\u9019\u6703\u9020\u6210\uff1a\u66f4\u65b0 searchParams \u2192 \u89f8\u767c useEffect \u2192 \u518d\u6b21\u66f4\u65b0 searchParams \u2192 \u7121\u9650\u8ff4\u5708\u3002\u89e3\u6c7a\u65b9\u6cd5\u662f\u53ea\u5728\u5fc5\u8981\u6642\u624d\u66f4\u65b0 searchParams\uff0c\u6216\u8005\u5c07\u66f4\u65b0\u908f\u8f2f\u79fb\u51fa useEffect\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\uff1aReact Router \u52d5\u614b\u8def\u7531\u8207\u53c3\u6578\u50b3\u905e \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c 1. \u5728 React [&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":[272],"tags":[273],"class_list":["post-280","post","type-post","status-publish","format-standard","hentry","category-react-router","tag-react-router"],"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\/280","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=280"}],"version-history":[{"count":0,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/280\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}