{"id":700,"date":"2026-02-07T00:27:46","date_gmt":"2026-02-06T16:27:46","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/02\/07\/%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9103-interface-%e8%88%87-type%ef%bc%9a%e5%ae%9a%e7%be%a9%e7%89%a9%e4%bb%b6%e7%9a%84%e5%bd%a2%e7%8b%80\/"},"modified":"2026-02-07T00:41:30","modified_gmt":"2026-02-06T16:41:30","slug":"%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9103-interface-%e8%88%87-type%ef%bc%9a%e5%ae%9a%e7%be%a9%e7%89%a9%e4%bb%b6%e7%9a%84%e5%bd%a2%e7%8b%80","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/02\/07\/%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9103-interface-%e8%88%87-type%ef%bc%9a%e5%ae%9a%e7%be%a9%e7%89%a9%e4%bb%b6%e7%9a%84%e5%bd%a2%e7%8b%80\/","title":{"rendered":"\u3010TypeScript \u5165\u9580\u6559\u5b78\u3011#03 interface \u8207 type\uff1a\u5b9a\u7fa9\u7269\u4ef6\u7684\u5f62\u72c0"},"content":{"rendered":"\n<div id=\"quiz-02b72e08\">\n<style>\n#quiz-02b72e08 .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-02b72e08 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-02b72e08 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-02b72e08 .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-02b72e08 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-02b72e08 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-02b72e08 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-02b72e08 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-02b72e08 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-02b72e08 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-02b72e08 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-02b72e08 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-02b72e08 .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-02b72e08 .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\uff1ainterface \u8207 type &#8212; \u5b9a\u7fa9\u7269\u4ef6\u7684\u5f62\u72c0<\/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 TypeScript \u4e2d\uff0c<code>interface<\/code> \u7684\u4e3b\u8981\u7528\u9014\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. \u5efa\u7acb\u4e00\u500b\u65b0\u7684 JavaScript \u985e\u5225<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. \u5b9a\u7fa9\u7269\u4ef6\u7684\u7d50\u69cb\uff0c\u898f\u5b9a\u7269\u4ef6\u88e1\u8981\u6709\u54ea\u4e9b\u6b04\u4f4d\u548c\u578b\u5225<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. \u5ba3\u544a\u4e00\u500b\u5168\u57df\u8b8a\u6578\u4f9b\u6240\u6709\u6a94\u6848\u4f7f\u7528<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u5c07\u7269\u4ef6\u8f49\u63db\u70ba JSON \u5b57\u4e32<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4e2d\uff0c<code>email?: string<\/code> \u7684\u554f\u865f <code>?<\/code> \u4ee3\u8868\u4ec0\u9ebc\u610f\u601d\uff1f<\/h3>\n      <div class=\"code-block\">interface User {\n  name: string;\n  age: number;\n  email?: string;\n}<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. email \u7684\u503c\u53ef\u80fd\u662f <code>null<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. email \u7684\u578b\u5225\u4e0d\u78ba\u5b9a\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u578b\u5225<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. email \u662f\u53ef\u9078\u6b04\u4f4d\uff0c\u6709\u6c92\u6709\u90fd\u53ef\u4ee5<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. email \u4e00\u5b9a\u8981\u586b\uff0c\u4f46\u53ef\u4ee5\u662f\u7a7a\u5b57\u4e32<\/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>interface<\/code> \u548c <code>type<\/code> \u7684\u5dee\u7570\uff0c\u4ee5\u4e0b\u54ea\u500b\u8aaa\u6cd5\u662f\u6b63\u78ba\u7684\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'D')\">A. <code>interface<\/code> \u53ef\u4ee5\u5b9a\u7fa9\u806f\u5408\u578b\u5225\uff0c<code>type<\/code> \u4e0d\u884c<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'D')\">B. <code>type<\/code> \u4e0d\u80fd\u7528\u4f86\u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'D')\">C. <code>interface<\/code> \u7528 <code>&<\/code> \u4f86\u64f4\u5c55\uff0c<code>type<\/code> \u7528 <code>extends<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'D')\">D. <code>type<\/code> \u53ef\u4ee5\u5b9a\u7fa9\u806f\u5408\u578b\u5225\u548c\u5143\u7d44\uff0c<code>interface<\/code> \u505a\u4e0d\u5230<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u6703\u767c\u751f\u4ec0\u9ebc\u4e8b\uff1f<\/h3>\n      <div class=\"code-block\">interface User {\n  readonly id: number;\n  name: string;\n}\n\nconst alice: User = { id: 1, name: &#8220;Alice&#8221; };\nalice.id = 2;<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'B')\">A. \u6b63\u5e38\u57f7\u884c\uff0c<code>alice.id<\/code> \u8b8a\u6210 2<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'B')\">B. TypeScript \u5831\u932f\uff0c\u56e0\u70ba <code>id<\/code> \u662f <code>readonly<\/code> \u4e0d\u80fd\u4fee\u6539<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'B')\">C. TypeScript \u5831\u932f\uff0c\u56e0\u70ba <code>id<\/code> \u5fc5\u9808\u662f <code>string<\/code> \u578b\u5225<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'B')\">D. \u6b63\u5e38\u57f7\u884c\uff0c\u4f46 <code>readonly<\/code> \u6703\u5728\u57f7\u884c\u6642\u62cb\u51fa\u4f8b\u5916<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4e2d\uff0c<code>Dog<\/code> \u6700\u7d42\u5305\u542b\u54ea\u4e9b\u6b04\u4f4d\uff1f<\/h3>\n      <div class=\"code-block\">interface HasName {\n  name: string;\n}\n\ninterface HasAge {\n  age: number;\n}\n\ninterface Dog extends HasName, HasAge {\n  breed: string;\n}<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'C')\">A. \u53ea\u6709 <code>breed<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'C')\">B. <code>name<\/code> \u548c <code>breed<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'C')\">C. <code>name<\/code>\u3001<code>age<\/code> \u548c <code>breed<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'C')\">D. <code>name<\/code> \u548c <code>age<\/code>\uff0c\u4f46\u4e0d\u5305\u542b <code>breed<\/code><\/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: \" <code>interface<\/code> \u7684\u4f5c\u7528\u5c31\u662f\u5b9a\u7fa9\u7269\u4ef6\u7684\u7d50\u69cb\uff0c\u544a\u8a34 TypeScript \u9019\u500b\u7269\u4ef6\u88e1\u9762\u8981\u6709\u54ea\u4e9b\u6b04\u4f4d\u3001\u5404\u81ea\u662f\u4ec0\u9ebc\u578b\u5225\u3002\u5b83\u4e0d\u662f\u985e\u5225\uff0c\u4e5f\u4e0d\u6703\u5efa\u7acb\u8b8a\u6578\u6216\u8f49\u63db\u683c\u5f0f\u3002\",\n        2: \" \u554f\u865f <code>?<\/code> \u653e\u5728\u5c6c\u6027\u540d\u7a31\u5f8c\u9762\u3001\u5192\u865f\u524d\u9762\uff0c\u4ee3\u8868\u8a72\u6b04\u4f4d\u662f\u53ef\u9078\u7684\uff0c\u7269\u4ef6\u4e2d\u53ef\u4ee5\u4e0d\u5305\u542b\u9019\u500b\u6b04\u4f4d\u3002\u5b83\u4e0d\u662f\u6307\u503c\u70ba <code>null<\/code>\uff0c\u4e5f\u4e0d\u662f\u6307\u578b\u5225\u4e0d\u78ba\u5b9a\u3002\",\n        3: \" \u6587\u7ae0\u660e\u78ba\u6307\u51fa\uff1a<code>type<\/code> \u53ef\u4ee5\u5b9a\u7fa9\u806f\u5408\u578b\u5225\uff08\u5982 <code>\\\"active\\\" | \\\"inactive\\\"<\/code>\uff09\u548c\u5143\u7d44\uff08\u5982 <code>[number, number]<\/code>\uff09\uff0c\u9019\u4e9b\u662f <code>interface<\/code> \u505a\u4e0d\u5230\u7684\u3002\u64f4\u5c55\u65b9\u5f0f\u5247\u662f <code>interface<\/code> \u7528 <code>extends<\/code>\uff0c<code>type<\/code> \u7528 <code>&<\/code>\u3002\",\n        4: \" <code>readonly<\/code> \u95dc\u9375\u5b57\u8868\u793a\u8a72\u6b04\u4f4d\u5728\u5efa\u7acb\u4e4b\u5f8c\u5c31\u4e0d\u80fd\u518d\u4fee\u6539\u3002\u5617\u8a66\u5c0d <code>readonly<\/code> \u6b04\u4f4d\u8ce6\u503c\u6642\uff0cTypeScript \u6703\u5728\u7de8\u8b6f\u968e\u6bb5\u5831\u932f\u3002\u5e38\u898b\u7684\u4f7f\u7528\u5834\u666f\u5305\u62ec\u8cc7\u6599\u5eab\u7684 <code>id<\/code> \u548c\u5efa\u7acb\u6642\u9593\u7b49\u4e0d\u61c9\u88ab\u4fee\u6539\u7684\u6b04\u4f4d\u3002\",\n        5: \" \u4e00\u500b <code>interface<\/code> \u53ef\u4ee5\u540c\u6642\u7e7c\u627f\u591a\u500b interface\u3002<code>Dog extends HasName, HasAge<\/code> \u8868\u793a Dog \u7e7c\u627f\u4e86 <code>HasName<\/code> \u7684 <code>name<\/code> \u6b04\u4f4d\u548c <code>HasAge<\/code> \u7684 <code>age<\/code> \u6b04\u4f4d\uff0c\u518d\u52a0\u4e0a\u81ea\u5df1\u5b9a\u7fa9\u7684 <code>breed<\/code>\uff0c\u6240\u4ee5\u5171\u6709\u4e09\u500b\u6b04\u4f4d\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\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u544a\u8a34 TypeScript\u300c\u9019\u500b\u7269\u4ef6\u88e1\u9762\u8981\u6709\u54ea\u4e9b\u6b04\u4f4d\u3001\u4ec0\u9ebc\u578b\u5225\u300d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u7f6e\u77e5\u8b58<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u672c\u7cfb\u5217\u7b2c 2 \u7bc7\uff1a\u57fa\u672c\u578b\u5225\u6a19\u8a3b\uff08<code>string<\/code>\u3001<code>number<\/code>\u3001<code>boolean<\/code> \u7b49\uff09<\/li>\n\n\n<li>JavaScript \u7684\u7269\u4ef6\u64cd\u4f5c\uff08<code>{ name: \"Alice\" }<\/code> \u9019\u7a2e\u5beb\u6cd5\uff09<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5b9a\u7fa9\u7269\u4ef6\u7684\u5f62\u72c0\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AI \u5e6b\u4f60\u5beb\u7a0b\u5f0f\u6642\uff0c\u7d93\u5e38\u6703\u7522\u751f\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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  name: string;\n  age: number;\n  email?: string;\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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u9019\u4e0d\u662f\u4ec0\u9ebc\u795e\u79d8\u8a9e\u6cd5\u3002\u5b83\u53ea\u662f\u5728\u8aaa\uff1a\u300cUser \u9019\u500b\u7269\u4ef6\uff0c<strong>\u5fc5\u9808<\/strong>\u6709 <code>name<\/code>\uff08\u6587\u5b57\uff09\u548c <code>age<\/code>\uff08\u6578\u5b57\uff09\uff0c<strong>\u53ef\u4ee5<\/strong>\u6709 <code>email<\/code>\uff08\u6587\u5b57\uff09\u3002\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u4e0d\u9700\u8981\u6703\u5beb\u9019\u4e9b\u5b9a\u7fa9\uff0c\u4f46\u4f60\u9700\u8981<strong>\u770b\u61c2<\/strong>\u5b83\u5728\u898f\u5b9a\u4ec0\u9ebc\uff0c\u56e0\u70ba\u9019\u6703\u6c7a\u5b9a\u6574\u500b\u7a0b\u5f0f\u88e1\u7269\u4ef6\u80fd\u7528\u54ea\u4e9b\u6b04\u4f4d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">interface\uff1a\u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\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-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  name: string;\n  age: number;\n}\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = { name: <span class=\"hljs-string\">\"Alice\"<\/span>, age: <span class=\"hljs-number\">25<\/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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u9010\u884c\u7ffb\u8b6f<\/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-3\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{        <span class=\"hljs-comment\">\/\/ \u5b9a\u7fa9\u4e00\u500b\u53eb User \u7684\u7269\u4ef6\u7d50\u69cb<\/span>\n  name: string;         <span class=\"hljs-comment\">\/\/ \u5fc5\u9808\u6709 name\uff0c\u578b\u5225\u662f\u6587\u5b57<\/span>\n  age: number;          <span class=\"hljs-comment\">\/\/ \u5fc5\u9808\u6709 age\uff0c\u578b\u5225\u662f\u6578\u5b57<\/span>\n}                       <span class=\"hljs-comment\">\/\/ \u7d50\u69cb\u5b9a\u7fa9\u7d50\u675f<\/span>\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = {   <span class=\"hljs-comment\">\/\/ alice \u9019\u500b\u8b8a\u6578\u5fc5\u9808\u7b26\u5408 User \u7684\u7d50\u69cb<\/span>\n  name: <span class=\"hljs-string\">\"Alice\"<\/span>,        <span class=\"hljs-comment\">\/\/ \u6709 name\uff0cOK<\/span>\n  age: <span class=\"hljs-number\">25<\/span>,              <span class=\"hljs-comment\">\/\/ \u6709 age\uff0cOK<\/span>\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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8bd1<\/strong>\uff1a\u300c\u5b9a\u7fa9\u4e00\u500b User \u7d50\u69cb\uff0c\u88e1\u9762\u4e00\u5b9a\u8981\u6709 name\uff08\u6587\u5b57\uff09\u548c age\uff08\u6578\u5b57\uff09\u3002alice \u9019\u500b\u7269\u4ef6\u7b26\u5408 User \u7d50\u69cb\u3002\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5c11\u5beb\u4e00\u500b\u6b04\u4f4d\uff0cTypeScript \u6703\u5831\u932f\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\">const<\/span> bob: User = { <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">\"Bob\"<\/span> };\n<span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff01\u7f3a\u5c11 age \u5c6c\u6027<\/span>\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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53ef\u9078\u5c6c\u6027 <code>?<\/code>\uff1a\u6709\u4e5f\u884c\u3001\u6c92\u6709\u4e5f\u884c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\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-5\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  name: string;\n  age: number;\n  email?: string;   <span class=\"hljs-comment\">\/\/ \u52a0\u4e86 ? \u5c31\u662f\u53ef\u9078\u7684<\/span>\n}\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = { name: <span class=\"hljs-string\">\"Alice\"<\/span>, age: <span class=\"hljs-number\">25<\/span> };           <span class=\"hljs-comment\">\/\/ OK\uff0c\u6c92\u6709 email \u4e5f\u884c<\/span>\n<span class=\"hljs-keyword\">const<\/span> bob: User = { name: <span class=\"hljs-string\">\"Bob\"<\/span>, age: <span class=\"hljs-number\">30<\/span>, email: <span class=\"hljs-string\">\"b@x\"<\/span> }; <span class=\"hljs-comment\">\/\/ OK\uff0c\u6709 email \u4e5f\u884c<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7ffb\u8b6f\u5c0d\u7167<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>name: string<\/code><\/td>\n<td>\u5fc5\u586b\uff0c\u4e00\u5b9a\u8981\u6709<\/td>\n<\/tr>\n<tr>\n<td><code>email?: string<\/code><\/td>\n<td>\u53ef\u9078\uff0c\u6709\u6c92\u6709\u90fd\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91cd\u9ede<\/strong>\uff1a\u554f\u865f <code>?<\/code> \u653e\u5728\u5c6c\u6027\u540d\u7a31\u5f8c\u9762\u3001\u5192\u865f\u524d\u9762\uff0c\u4ee3\u8868\u300c\u9019\u500b\u6b04\u4f4d\u53ef\u4ee5\u4e0d\u5b58\u5728\u300d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u552f\u8b80\u5c6c\u6027 <code>readonly<\/code>\uff1a\u8a2d\u5b9a\u5f8c\u4e0d\u80fd\u6539<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\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-6\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  readonly id: number;\n  name: string;\n}\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = { id: <span class=\"hljs-number\">1<\/span>, name: <span class=\"hljs-string\">\"Alice\"<\/span> };\nalice.name = <span class=\"hljs-string\">\"Bob\"<\/span>;   <span class=\"hljs-comment\">\/\/ OK\uff0cname \u53ef\u4ee5\u6539<\/span>\nalice.id = <span class=\"hljs-number\">2<\/span>;         <span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff01id \u662f\u552f\u8b80\u7684\uff0c\u4e0d\u80fd\u4fee\u6539<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c<code>readonly<\/code> \u8868\u793a\u9019\u500b\u6b04\u4f4d\u5efa\u7acb\u4e4b\u5f8c\u5c31\u4e0d\u80fd\u518d\u6539\u4e86\u3002\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u898b\u5834\u666f\uff1a\u8cc7\u6599\u5eab\u7684 <code>id<\/code>\u3001\u5efa\u7acb\u6642\u9593 <code>createdAt<\/code> \u9019\u985e\u4e0d\u61c9\u8a72\u88ab\u4fee\u6539\u7684\u6b04\u4f4d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">type \u5225\u540d\uff1a\u5e6b\u578b\u5225\u53d6\u540d\u5b57<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>type<\/code> \u53ef\u4ee5\u5e6b\u4efb\u4f55\u578b\u5225\u53d6\u4e00\u500b\u540d\u5b57\uff0c\u4e0d\u53ea\u662f\u7269\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\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-7\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">type UserID = string | number;\n\n<span class=\"hljs-keyword\">let<\/span> id1: UserID = <span class=\"hljs-string\">\"abc\"<\/span>;   <span class=\"hljs-comment\">\/\/ OK\uff0c\u662f\u6587\u5b57<\/span>\n<span class=\"hljs-keyword\">let<\/span> id2: UserID = <span class=\"hljs-number\">123<\/span>;     <span class=\"hljs-comment\">\/\/ OK\uff0c\u662f\u6578\u5b57<\/span>\n<span class=\"hljs-keyword\">let<\/span> id3: UserID = <span class=\"hljs-literal\">true<\/span>;    <span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff01\u5e03\u6797\u503c\u4e0d\u662f string \u4e5f\u4e0d\u662f number<\/span>\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<h3 class=\"wp-block-heading\">\u7528 type \u5b9a\u7fa9\u7269\u4ef6\uff08\u548c interface \u5f88\u50cf\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-8\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">type User = {\n  <span class=\"hljs-attr\">name<\/span>: string;\n  age: number;\n  email?: string;\n};\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = { <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">\"Alice\"<\/span>, <span class=\"hljs-attr\">age<\/span>: <span class=\"hljs-number\">25<\/span> };  <span class=\"hljs-comment\">\/\/ \u7528\u6cd5\u8ddf interface \u4e00\u6a21\u4e00\u6a23<\/span>\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\">\u7ffb\u8b6f\u5c0d\u7167<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>type UserID = string<\/code><\/td>\n<td>\u300cUserID \u5c31\u662f string \u7684\u5225\u540d\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>type UserID = string \\| number<\/code><\/td>\n<td>\u300cUserID \u53ef\u4ee5\u662f string \u6216 number\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>type User = { name: string }<\/code><\/td>\n<td>\u300cUser \u662f\u4e00\u500b\u6709 name \u6b04\u4f4d\u7684\u7269\u4ef6\u300d<\/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\">interface vs type\uff1a\u5dee\u5728\u54ea\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u662f\u5f88\u591a\u4eba\u56f0\u60d1\u7684\u5730\u65b9\uff0c\u4f46\u5c0d Vibe Coder \u4f86\u8aaa\uff0c\u8a18\u4f4f\u5169\u4ef6\u4e8b\u5c31\u597d\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5dee\u7570\u4e00\uff1a\u64f4\u5c55\u65b9\u5f0f\u4e0d\u540c<\/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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\">\/\/ interface \u7528 extends \u64f4\u5c55<\/span>\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">Animal<\/span> <\/span>{\n  name: string;\n}\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">Dog<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Animal<\/span> <\/span>{\n  breed: string;\n}\n<span class=\"hljs-comment\">\/\/ Dog \u6709 name \u548c breed \u5169\u500b\u6b04\u4f4d<\/span>\n\n<span class=\"hljs-comment\">\/\/ type \u7528 &amp; \u7d44\u5408<\/span>\ntype Animal = {\n  name: string;\n};\ntype Dog = Animal &amp; {\n  breed: string;\n};\n<span class=\"hljs-comment\">\/\/ Dog \u540c\u6a23\u6709 name \u548c breed \u5169\u500b\u6b04\u4f4d<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u5169\u7a2e\u65b9\u5f0f\u7d50\u679c\u4e00\u6a23\uff0c\u90fd\u662f\u300cDog \u7e7c\u627f\u4e86 Animal \u7684\u6b04\u4f4d\uff0c\u518d\u52a0\u4e0a\u81ea\u5df1\u7684\u300d\u3002\u53ea\u662f\u5beb\u6cd5\u4e0d\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5dee\u7570\u4e8c\uff1atype \u80fd\u505a\u7684\u4e8b\u6bd4\u8f03\u591a<\/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\">\/\/ type \u53ef\u4ee5\u5b9a\u7fa9\u806f\u5408\u578b\u5225\uff0cinterface \u4e0d\u884c<\/span>\ntype Status = <span class=\"hljs-string\">\"active\"<\/span> | <span class=\"hljs-string\">\"inactive\"<\/span> | <span class=\"hljs-string\">\"banned\"<\/span>;\n\n<span class=\"hljs-comment\">\/\/ type \u53ef\u4ee5\u5b9a\u7fa9\u5143\u7d44\uff0cinterface \u4e0d\u884c<\/span>\ntype Coordinate = &#91;number, number];\n\n<span class=\"hljs-comment\">\/\/ type \u53ef\u4ee5\u7528\u57fa\u672c\u578b\u5225\uff0cinterface \u4e0d\u884c<\/span>\ntype UserID = string | number;\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<h3 class=\"wp-block-heading\">\u4ec0\u9ebc\u6642\u5019\u7528\u54ea\u500b\uff1f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5834\u666f<\/th>\n<th>\u5efa\u8b70\u7528<\/th>\n<th>\u7406\u7531<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb<\/td>\n<td><code>interface<\/code><\/td>\n<td>\u6700\u5e38\u898b\u7684\u6163\u4f8b<\/td>\n<\/tr>\n<tr>\n<td>\u806f\u5408\u578b\u5225<\/td>\n<td><code>type<\/code><\/td>\n<td>interface \u505a\u4e0d\u5230<\/td>\n<\/tr>\n<tr>\n<td>\u57fa\u672c\u578b\u5225\u5225\u540d<\/td>\n<td><code>type<\/code><\/td>\n<td>interface \u505a\u4e0d\u5230<\/td>\n<\/tr>\n<tr>\n<td>\u4e0d\u78ba\u5b9a<\/td>\n<td>\u90fd\u884c<\/td>\n<td>\u7d50\u679c\u5e7e\u4e4e\u4e00\u6a23<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7d50\u8ad6<\/strong>\uff1aAI \u7522\u51fa\u7684\u7a0b\u5f0f\u78bc\u5169\u7a2e\u90fd\u6703\u7528\u3002\u770b\u5230 <code>interface<\/code> \u6216 <code>type<\/code> \u5b9a\u7fa9\u7269\u4ef6\u6642\uff0c\u8b80\u6cd5\u4e00\u6a21\u4e00\u6a23\uff0c\u4e0d\u7528\u64d4\u5fc3\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u898b\u8b8a\u5316<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AI \u7522\u51fa\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u4f60\u5e38\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u7a2e\u5beb\u6cd5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8b8a\u5316 1\uff1a\u5de2\u72c0\u7269\u4ef6\u578b\u5225<\/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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  name: string;\n  address: {          <span class=\"hljs-comment\">\/\/ address \u672c\u8eab\u4e5f\u662f\u4e00\u500b\u7269\u4ef6<\/span>\n    city: string;\n    zipCode: string;\n  };\n}\n\n<span class=\"hljs-keyword\">const<\/span> alice: User = {\n  name: <span class=\"hljs-string\">\"Alice\"<\/span>,\n  address: {\n    city: <span class=\"hljs-string\">\"Taipei\"<\/span>,\n    zipCode: <span class=\"hljs-string\">\"100\"<\/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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300cUser \u6709\u4e00\u500b address \u6b04\u4f4d\uff0c\u800c address \u88e1\u9762\u53c8\u6709 city \u548c zipCode\u3002\u300d\u5c31\u662f\u7269\u4ef6\u88e1\u9762\u5305\u7269\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u62c6\u958b\u5beb\uff08\u6bd4\u8f03\u5e38\u898b\u7684\u505a\u6cd5\uff09\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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">Address<\/span> <\/span>{\n  city: string;\n  zipCode: string;\n}\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <\/span>{\n  name: string;\n  address: Address;   <span class=\"hljs-comment\">\/\/ \u76f4\u63a5\u5f15\u7528\u53e6\u4e00\u500b interface<\/span>\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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u5148\u5b9a\u7fa9 Address \u7d50\u69cb\uff0c\u518d\u8b93 User \u7684 address \u6b04\u4f4d\u4f7f\u7528 Address \u7d50\u69cb\u3002\u300d\u6548\u679c\u4e00\u6a21\u4e00\u6a23\uff0c\u4f46\u66f4\u597d\u8b80\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8b8a\u5316 2\uff1a\u51fd\u5f0f\u578b\u5225\u7684\u5b9a\u7fa9<\/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-comment\">\/\/ \u5b9a\u7fa9\u4e00\u500b\u51fd\u5f0f\u7684\u578b\u5225<\/span>\ntype GreetFn = <span class=\"hljs-function\">(<span class=\"hljs-params\">name: string<\/span>) =&gt;<\/span> string;\n\n<span class=\"hljs-keyword\">const<\/span> greet: GreetFn = <span class=\"hljs-function\">(<span class=\"hljs-params\">name<\/span>) =&gt;<\/span> <span class=\"hljs-string\">`Hello, <span class=\"hljs-subst\">${name}<\/span>`<\/span>;\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>\u7ffb\u8b6f<\/strong>\uff1a\u300cGreetFn \u662f\u4e00\u500b\u51fd\u5f0f\u578b\u5225\uff1a\u63a5\u6536\u4e00\u500b string \u53c3\u6578\uff0c\u56de\u50b3\u4e00\u500b string\u3002greet \u9019\u500b\u51fd\u5f0f\u5fc5\u9808\u7b26\u5408\u9019\u500b\u578b\u5225\u3002\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528 interface \u4e5f\u53ef\u4ee5\u5beb\u51fd\u5f0f\u578b\u5225\uff08\u4f46\u6bd4\u8f03\u5c11\u898b\uff09\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-14\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">GreetFn<\/span> <\/span>{\n  (name: string): string;\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\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u6548\u679c\u4e00\u6a23\uff0c\u4f46\u7528 <code>type<\/code> \u5beb\u66f4\u76f4\u89ba\uff0c\u6240\u4ee5 AI \u901a\u5e38\u6703\u7528 <code>type<\/code> \u4f86\u5b9a\u7fa9\u51fd\u5f0f\u578b\u5225\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8b8a\u5316 3\uff1a\u591a\u500b interface \u7d44\u5408<\/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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">HasName<\/span> <\/span>{\n  name: string;\n}\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">HasAge<\/span> <\/span>{\n  age: number;\n}\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">User<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">HasName<\/span>, <span class=\"hljs-title\">HasAge<\/span> <\/span>{\n  email: string;\n}\n<span class=\"hljs-comment\">\/\/ User \u6709 name\u3001age\u3001email \u4e09\u500b\u6b04\u4f4d<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300cUser \u540c\u6642\u7e7c\u627f\u4e86 HasName \u548c HasAge\uff0c\u518d\u52a0\u4e0a\u81ea\u5df1\u7684 email\u3002\u300d\u4e00\u500b interface \u53ef\u4ee5\u7e7c\u627f\u591a\u500b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2\uff08\u6703\u4e00\u76f4\u51fa\u73fe\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><code>interface User { name: string; }<\/code> &#8212; \u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb<\/li>\n\n\n<li><code>email?: string<\/code> &#8212; \u53ef\u9078\u6b04\u4f4d<\/li>\n\n\n<li><code>readonly id: number<\/code> &#8212; \u552f\u8b80\u6b04\u4f4d<\/li>\n\n\n<li><code>type UserID = string | number<\/code> &#8212; \u578b\u5225\u5225\u540d<\/li>\n\n\n<li><code>extends<\/code> \u548c <code>&amp;<\/code> &#8212; \u64f4\u5c55\u6216\u7d44\u5408\u578b\u5225<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u77e5\u9053\u5c31\u597d\uff08\u9047\u5230\u518d\u67e5\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><code>interface<\/code> \u7684 declaration merging\uff08\u540c\u540d interface \u6703\u81ea\u52d5\u5408\u4f75\uff09<\/li>\n\n\n<li>\u6cdb\u578b interface <code>interface Box&lt;T&gt; { value: T }<\/code>\uff08\u7b2c 4 \u7bc7\u6703\u6559\uff09<\/li>\n\n\n<li><code>keyof<\/code>\u3001<code>typeof<\/code>\u3001mapped types \u7b49\u9032\u968e\u578b\u5225\u64cd\u4f5c<\/li>\n\n\n<li><code>Partial&lt;T&gt;<\/code>\u3001<code>Required&lt;T&gt;<\/code>\u3001<code>Pick&lt;T, K&gt;<\/code> \u7b49\u5de5\u5177\u578b\u5225<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230 AI \u7522\u51fa\u7684 <code>interface<\/code> \u6216 <code>type<\/code> \u6642\uff0c\u78ba\u8a8d\u9019\u4e9b\u4e8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u6bcf\u500b\u6b04\u4f4d\u7684\u578b\u5225\u5408\u7406\u55ce\uff1f\uff08\u4f8b\u5982 <code>age<\/code> \u61c9\u8a72\u662f <code>number<\/code>\uff0c\u4e0d\u662f <code>string<\/code>\uff09<\/li>\n\n\n<li>[ ] \u53ef\u9078\u6b04\u4f4d <code>?<\/code> \u7684\u8a2d\u5b9a\u5408\u7406\u55ce\uff1f\uff08\u771f\u7684\u53ef\u4ee5\u4e0d\u586b\u7684\u624d\u61c9\u8a72\u662f\u53ef\u9078\uff09<\/li>\n\n\n<li>[ ] \u5fc5\u586b\u6b04\u4f4d\u6709\u6c92\u6709\u6f0f\uff1f\uff08\u4f8b\u5982\u5efa\u7acb User \u901a\u5e38\u9700\u8981 name\uff09<\/li>\n\n\n<li>[ ] \u5de2\u72c0\u7269\u4ef6\u6709\u6c92\u6709\u62c6\u51fa\u7368\u7acb\u7684 interface\uff1f\uff08\u62c6\u958b\u6bd4\u8f03\u597d\u8b80\uff09<\/li>\n\n\n<li>[ ] <code>readonly<\/code> \u7528\u5728\u6b63\u78ba\u7684\u5730\u65b9\u55ce\uff1f\uff08id\u3001\u5efa\u7acb\u6642\u9593\u7b49\u4e0d\u8a72\u88ab\u6539\u7684\u6b04\u4f4d\uff09<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u7bc7\u91cd\u9ede\u56de\u9867<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u8a9e\u6cd5<\/th>\n<th>\u610f\u601d<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>interface<\/code><\/td>\n<td>\u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb<\/td>\n<td><code>interface User { name: string }<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>type<\/code><\/td>\n<td>\u5e6b\u578b\u5225\u53d6\u540d\u5b57<\/td>\n<td><code>type ID = string \\| number<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>?<\/code><\/td>\n<td>\u53ef\u9078\u6b04\u4f4d<\/td>\n<td><code>email?: string<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>readonly<\/code><\/td>\n<td>\u552f\u8b80\uff0c\u4e0d\u80fd\u6539<\/td>\n<td><code>readonly id: number<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>extends<\/code><\/td>\n<td>interface \u7684\u64f4\u5c55<\/td>\n<td><code>interface Dog extends Animal<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>&amp;<\/code><\/td>\n<td>type \u7684\u7d44\u5408<\/td>\n<td><code>type Dog = Animal &amp; { breed: string }<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\uff0c\u6211\u5011\u6703\u770b TypeScript \u7684\u6cdb\u578b <code>&lt;T&gt;<\/code> &#8212; AI \u8d85\u611b\u7528\u7684\u578b\u5225\u53c3\u6578\u5316\u5beb\u6cd5\u3002<\/p>\n\n\n\n<div id=\"quiz-ee9e5fc0\">\n<style>\n#quiz-ee9e5fc0 .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-ee9e5fc0 .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-ee9e5fc0 .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-ee9e5fc0 .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-ee9e5fc0 .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-ee9e5fc0 .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-ee9e5fc0 .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-ee9e5fc0 .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-ee9e5fc0 .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-ee9e5fc0 .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-ee9e5fc0 .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-ee9e5fc0 .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-ee9e5fc0 .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-ee9e5fc0 .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-ee9e5fc0 .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-ee9e5fc0 .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-ee9e5fc0 .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\uff1ainterface \u8207 type &#8212; \u5b9a\u7fa9\u7269\u4ef6\u7684\u5f62\u72c0<\/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. AI \u5e6b\u4f60\u751f\u6210\u4e86\u4e00\u500b API \u56de\u50b3\u7684\u4f7f\u7528\u8005\u8cc7\u6599\u578b\u5225\uff0c\u4f60\u9700\u8981\u6c7a\u5b9a\u54ea\u4e9b\u6b04\u4f4d\u8a72\u8a2d\u70ba\u53ef\u9078\u3002\u4ee5\u4e0b\u54ea\u500b\u8a2d\u8a08\u6700\u5408\u7406\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <p>\u60c5\u5883\uff1a\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\u6709\u4e00\u500b\u4f7f\u7528\u8005\u8a3b\u518a\u9801\u9762\uff0c<code>name<\/code> \u548c <code>email<\/code> \u662f\u5fc5\u586b\u6b04\u4f4d\uff0c<code>phone<\/code> \u548c <code>bio<\/code> \u662f\u9078\u586b\u6b04\u4f4d\u3002<\/p>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'C')\">A. \u5168\u90e8\u6b04\u4f4d\u90fd\u8a2d\u70ba\u5fc5\u586b\uff0c\u4e4b\u5f8c\u518d\u7528\u7a7a\u5b57\u4e32\u586b\u5165\u9078\u586b\u6b04\u4f4d<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'C')\">B. \u5168\u90e8\u6b04\u4f4d\u90fd\u8a2d\u70ba\u53ef\u9078 <code>?<\/code>\uff0c\u4fdd\u6301\u6700\u5927\u5f48\u6027<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'C')\">C. <code>name<\/code> \u548c <code>email<\/code> \u8a2d\u70ba\u5fc5\u586b\uff0c<code>phone?<\/code> \u548c <code>bio?<\/code> \u8a2d\u70ba\u53ef\u9078<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'C')\">D. \u7528 <code>readonly<\/code> \u6a19\u8a18\u5fc5\u586b\u6b04\u4f4d\uff0c\u7528 <code>?<\/code> \u6a19\u8a18\u9078\u586b\u6b04\u4f4d<\/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\u6b63\u5728\u6aa2\u8996 AI \u7522\u51fa\u7684\u7a0b\u5f0f\u78bc\uff0c\u770b\u5230\u4ee5\u4e0b\u578b\u5225\u5b9a\u7fa9\u3002\u4f60\u9700\u8981\u9078\u64c7\u7528 <code>interface<\/code> \u9084\u662f <code>type<\/code> \u4f86\u5b9a\u7fa9 <code>Status<\/code>\u3002 <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">\/\/ \u9700\u8981\u5b9a\u7fa9\u4e00\u500b Status \u578b\u5225\uff0c\u53ea\u80fd\u662f\u4ee5\u4e0b\u4e09\u500b\u503c\u4e4b\u4e00\uff1a\n\/\/ &#8220;pending&#8221; | &#8220;approved&#8221; | &#8220;rejected&#8221;<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'B')\">A. \u7528 <code>interface Status { value: \"pending\" | \"approved\" | \"rejected\" }<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'B')\">B. \u7528 <code>type Status = \"pending\" | \"approved\" | \"rejected\"<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'B')\">C. \u7528 <code>interface<\/code> \u6216 <code>type<\/code> \u90fd\u53ef\u4ee5\uff0c\u6548\u679c\u4e00\u6a21\u4e00\u6a23<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'B')\">D. \u4e0d\u9700\u8981\u5b9a\u7fa9\u578b\u5225\uff0c\u76f4\u63a5\u7528 <code>string<\/code> \u5c31\u597d<\/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\u7684\u5c08\u6848\u4e2d\u6709\u591a\u500b\u5be6\u9ad4\uff08Product\u3001Order\u3001User\uff09\u90fd\u9700\u8981 <code>id<\/code> \u548c <code>createdAt<\/code> \u6b04\u4f4d\u3002AI \u5efa\u8b70\u7528\u4ee5\u4e0b\u54ea\u7a2e\u65b9\u5f0f\u4f86\u907f\u514d\u91cd\u8907\u5b9a\u7fa9\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'A')\">A. \u5b9a\u7fa9\u4e00\u500b <code>interface BaseEntity { readonly id: number; readonly createdAt: string; }<\/code>\uff0c\u8b93\u5176\u4ed6 interface \u7528 <code>extends<\/code> \u7e7c\u627f<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'A')\">B. \u5728\u6bcf\u500b interface \u88e1\u9762\u5206\u5225\u5beb <code>id<\/code> \u548c <code>createdAt<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'A')\">C. \u7528 <code>type<\/code> \u7684\u806f\u5408\u578b\u5225 <code>|<\/code> \u628a\u4e09\u500b\u5be6\u9ad4\u5408\u5728\u4e00\u8d77<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'A')\">D. \u628a <code>id<\/code> \u548c <code>createdAt<\/code> \u5b9a\u7fa9\u70ba\u5168\u57df\u8b8a\u6578<\/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. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u51fa\u73fe\u4e86 TypeScript \u932f\u8aa4\uff0c\u6700\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">interface Product {\n  name: string;\n  price: number;\n  description?: string;\n}\n\nconst item: Product = {\n  name: &#8220;Laptop&#8221;,\n  description: &#8220;A powerful laptop&#8221;,\n};\n\/\/ TypeScript \u5831\u932f\uff01<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. <code>description<\/code> \u662f\u53ef\u9078\u6b04\u4f4d\uff0c\u4e0d\u61c9\u8a72\u63d0\u4f9b\u503c<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. \u7f3a\u5c11\u5fc5\u586b\u6b04\u4f4d <code>price<\/code>\uff0c\u5b83\u6c92\u6709 <code>?<\/code> \u6240\u4ee5\u4e00\u5b9a\u8981\u63d0\u4f9b<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. <code>const<\/code> \u4e0d\u80fd\u642d\u914d <code>interface<\/code> \u4f7f\u7528\uff0c\u8981\u6539\u7528 <code>let<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. <code>description<\/code> \u7684\u503c\u61c9\u8a72\u662f <code>number<\/code> \u800c\u975e <code>string<\/code><\/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. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4e2d\uff0cAI \u751f\u6210\u4e86\u4e00\u6bb5\u770b\u4f3c\u5408\u7406\u7684\u64cd\u4f5c\uff0c\u4f46\u6709\u4e00\u884c\u6703\u88ab TypeScript \u64cb\u4e0b\u3002\u8acb\u627e\u51fa\u554f\u984c\u6240\u5728\u3002 <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">interface Order {\n  readonly id: number;\n  readonly createdAt: string;\n  status: string;\n  total: number;\n}\n\nconst order: Order = {\n  id: 1001,\n  createdAt: &#8220;2024-01-15&#8221;,\n  status: &#8220;pending&#8221;,\n  total: 599,\n};\n\norder.status = &#8220;shipped&#8221;;    \/\/ \u7b2c 1 \u884c\norder.total = 499;           \/\/ \u7b2c 2 \u884c\norder.createdAt = &#8220;2024-02-01&#8221;; \/\/ \u7b2c 3 \u884c\norder.id = 1002;             \/\/ \u7b2c 4 \u884c<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'D')\">A. \u53ea\u6709\u7b2c 4 \u884c\u6709\u932f\uff0c<code>id<\/code> \u662f\u552f\u8b80\u7684<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'D')\">B. \u7b2c 1 \u884c\u548c\u7b2c 2 \u884c\u6709\u932f\uff0c\u56e0\u70ba\u7269\u4ef6\u5efa\u7acb\u5f8c\u4e0d\u80fd\u4fee\u6539\u4efb\u4f55\u5c6c\u6027<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'D')\">C. \u53ea\u6709\u7b2c 3 \u884c\u6709\u932f\uff0c<code>createdAt<\/code> \u662f\u552f\u8b80\u7684<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'D')\">D. \u7b2c 3 \u884c\u548c\u7b2c 4 \u884c\u90fd\u6709\u932f\uff0c<code>createdAt<\/code> \u548c <code>id<\/code> \u90fd\u662f <code>readonly<\/code> \u4e0d\u80fd\u4fee\u6539<\/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: \" \u53ef\u9078\u6b04\u4f4d <code>?<\/code> \u7684\u8a2d\u5b9a\u61c9\u8a72\u53cd\u6620\u5be6\u969b\u696d\u52d9\u9700\u6c42\u3002\u771f\u7684\u53ef\u4ee5\u4e0d\u586b\u7684\u624d\u61c9\u8a72\u662f\u53ef\u9078\uff0c\u5fc5\u586b\u7684\u6b04\u4f4d\u7d55\u5c0d\u4e0d\u8a72\u52a0 <code>?<\/code>\u3002\u9078\u9805 A \u7528\u7a7a\u5b57\u4e32\u4ee3\u66ff\u53ef\u9078\u6703\u9020\u6210\u8cc7\u6599\u4e0d\u4e00\u81f4\uff1b\u9078\u9805 B \u5168\u90e8\u53ef\u9078\u6703\u5931\u53bb\u578b\u5225\u6aa2\u67e5\u7684\u4fdd\u8b77\uff1b\u9078\u9805 D \u6df7\u6dc6\u4e86 <code>readonly<\/code>\uff08\u4e0d\u80fd\u4fee\u6539\uff09\u548c\u5fc5\u586b\u7684\u6982\u5ff5\uff0c\u5169\u8005\u5b8c\u5168\u4e0d\u540c\u3002\",\n        2: \" \u6587\u7ae0\u660e\u78ba\u6307\u51fa\uff1a\u806f\u5408\u578b\u5225\uff08\u5982 <code>\\\"pending\\\" | \\\"approved\\\" | \\\"rejected\\\"<\/code>\uff09\u53ea\u80fd\u7528 <code>type<\/code> \u4f86\u5b9a\u7fa9\uff0c<code>interface<\/code> \u505a\u4e0d\u5230\u3002\u9078\u9805 A \u96d6\u7136\u80fd\u57f7\u884c\uff0c\u4f46\u591a\u5305\u4e86\u4e00\u5c64\u7269\u4ef6\u7d50\u69cb\uff0c\u4e0d\u662f\u76f4\u63a5\u7684\u806f\u5408\u578b\u5225\u3002\u9078\u9805 C \u4e0d\u6b63\u78ba\uff0c\u56e0\u70ba <code>interface<\/code> \u7121\u6cd5\u5b9a\u7fa9\u806f\u5408\u578b\u5225\u3002\u9078\u9805 D \u7528 <code>string<\/code> \u6703\u5931\u53bb\u9650\u5236\u7279\u5b9a\u503c\u7684\u80fd\u529b\u3002\",\n        3: \" \u6587\u7ae0\u4e2d\u5c55\u793a\u4e86 <code>interface Dog extends HasName, HasAge<\/code> \u7684\u5beb\u6cd5\uff0c\u8aaa\u660e\u4e00\u500b interface \u53ef\u4ee5\u7e7c\u627f\u591a\u500b interface\u3002\u540c\u6a23\u7684\u6a21\u5f0f\u53ef\u4ee5\u7528\u5728\u5171\u7528\u6b04\u4f4d\u7684\u5834\u666f\uff1a\u5148\u5b9a\u7fa9 <code>BaseEntity<\/code>\uff0c\u518d\u8b93 Product\u3001Order\u3001User \u5404\u81ea extends \u5b83\u3002\u52a0\u4e0a <code>readonly<\/code> \u662f\u56e0\u70ba <code>id<\/code> \u548c <code>createdAt<\/code> \u4e0d\u61c9\u8a72\u88ab\u4fee\u6539\u3002\u9078\u9805 B \u6703\u9020\u6210\u5927\u91cf\u91cd\u8907\u7a0b\u5f0f\u78bc\uff1b\u9078\u9805 C \u7684\u806f\u5408\u578b\u5225\u662f\u300c\u6216\u300d\u7684\u95dc\u4fc2\uff0c\u4e0d\u662f\u64f4\u5c55\uff1b\u9078\u9805 D \u5b8c\u5168\u504f\u96e2\u4e86\u578b\u5225\u5b9a\u7fa9\u7684\u6982\u5ff5\u3002\",\n        4: \" \u5728 <code>Product<\/code> interface \u4e2d\uff0c<code>price: number<\/code> \u6c92\u6709\u52a0\u554f\u865f <code>?<\/code>\uff0c\u4ee3\u8868\u5b83\u662f\u5fc5\u586b\u6b04\u4f4d\u3002\u5efa\u7acb <code>item<\/code> \u6642\u53ea\u63d0\u4f9b\u4e86 <code>name<\/code> \u548c <code>description<\/code>\uff0c\u7f3a\u5c11\u4e86\u5fc5\u586b\u7684 <code>price<\/code>\uff0c\u6240\u4ee5 TypeScript \u6703\u5831\u932f\u3002<code>description<\/code> \u96d6\u7136\u662f\u53ef\u9078\u7684\uff0c\u4f46\u63d0\u4f9b\u503c\u5b8c\u5168\u6c92\u554f\u984c\u3002\u8981\u4fee\u6b63\u9019\u500b\u932f\u8aa4\uff0c\u5fc5\u9808\u5728\u7269\u4ef6\u4e2d\u52a0\u5165 <code>price<\/code> \u6b04\u4f4d\u3002\",\n        5: \" <code>readonly<\/code> \u95dc\u9375\u5b57\u8868\u793a\u8a72\u6b04\u4f4d\u5efa\u7acb\u5f8c\u4e0d\u80fd\u518d\u4fee\u6539\u3002<code>id<\/code> \u548c <code>createdAt<\/code> \u90fd\u6a19\u8a18\u4e86 <code>readonly<\/code>\uff0c\u6240\u4ee5\u7b2c 3 \u884c\u4fee\u6539 <code>createdAt<\/code> \u548c\u7b2c 4 \u884c\u4fee\u6539 <code>id<\/code> \u90fd\u6703\u88ab TypeScript \u64cb\u4e0b\u3002\u800c <code>status<\/code> \u548c <code>total<\/code> \u6c92\u6709 <code>readonly<\/code>\uff0c\u6240\u4ee5\u7b2c 1 \u884c\u548c\u7b2c 2 \u884c\u662f\u5408\u6cd5\u7684\u64cd\u4f5c\u3002\u53ea\u770b\u5230\u5176\u4e2d\u4e00\u500b <code>readonly<\/code> \u6b04\u4f4d\u7684\u932f\u8aa4\u662f\u4e0d\u5b8c\u6574\u7684\u8a3a\u65b7\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 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