{"id":2265,"date":"2025-11-17T17:04:27","date_gmt":"2025-11-17T09:04:27","guid":{"rendered":"https:\/\/womeifei.cn\/?p=2265"},"modified":"2025-11-17T17:06:27","modified_gmt":"2025-11-17T09:06:27","slug":"%e6%ac%a2%e8%81%9a%e9%9b%86%e5%9b%a2%e5%89%8d%e7%ab%af%e5%ae%9e%e4%b9%a0%e9%9d%a2%e8%af%95%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/womeifei.cn\/index.php\/2025\/11\/17\/%e6%ac%a2%e8%81%9a%e9%9b%86%e5%9b%a2%e5%89%8d%e7%ab%af%e5%ae%9e%e4%b9%a0%e9%9d%a2%e8%af%95%e6%80%bb%e7%bb%93\/","title":{"rendered":"\u6b22\u805a\u96c6\u56e2\u524d\u7aef\u5b9e\u4e60\u9762\u8bd5\u603b\u7ed3"},"content":{"rendered":"\n<p>\u9762\u8bd5\u5b98\u95ee\u7684\u5f88\u7ec6\u8282 \u6709\u4e9b\u95ee\u9898\u8fd8\u662f\u5b66\u4e60\u521d\u671f\u9047\u5230\u7684 \u73b0\u5728\u5df2\u7ecf\u9057\u5fd8\u4e86 \u8fd8\u662f\u8981\u53ca\u65f6\u8865\u5145\u57fa\u7840\u77e5\u8bc6<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u4e00\uff1a\u4e8b\u4ef6\u6d41<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u7ed9\u4e00\u4e2a\u5143\u7d20\u7ed1\u5b9a\u4e8b\u4ef6\uff0c\u5e76\u8ba9\u5b83\u5728\u4e8b\u4ef6\u7684\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\uff0c\u800c\u4e0d\u662f\u9ed8\u8ba4\u7684\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\uff1f<\/p>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63d0\u5230\u4e86\u4e8b\u4ef6\u5192\u6ce1\u548c <code>preventDefault<\/code>\uff08\u8fd9\u4e2a\u65b9\u6cd5\u662f\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a\uff0c\u800c\u975e\u63a7\u5236\u4e8b\u4ef6\u6d41\u9636\u6bb5\uff09\uff0c\u4f46\u6df7\u6dc6\u4e86\u6982\u5ff5\u3002<\/li>\n\n\n\n<li>\u610f\u8bc6\u5230\u81ea\u5df1\u7684\u95ee\u9898\u4e0d\u662f\u963b\u6b62\u5192\u6ce1\uff0c\u800c\u662f\u5e0c\u671b\u5728\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\uff0c\u4f46\u672a\u80fd\u7ed9\u51fa\u6b63\u786e\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<p>DOM\u4e8b\u4ef6\u6d41\u5305\u62ec\u4e09\u4e2a\u9636\u6bb5\uff1a\u6355\u83b7\u9636\u6bb5\u3001\u76ee\u6807\u9636\u6bb5\u3001\u5192\u6ce1\u9636\u6bb5\u3002<code>addEventListener<\/code>\u65b9\u6cd5\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u53ef\u4ee5\u63a7\u5236\u76d1\u542c\u5668\u5728\u54ea\u4e2a\u9636\u6bb5\u88ab\u89e6\u53d1\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff08\u6216\u4f20\u5165 <code>false<\/code>\uff09\uff0c\u76d1\u542c\u5668\u5728<strong>\u5192\u6ce1\u9636\u6bb5<\/strong>\u89e6\u53d1\u3002<\/li>\n\n\n\n<li>\u5f53\u7b2c\u4e09\u4e2a\u53c2\u6570\u4f20\u5165 <code>true<\/code>\u6216\u4e00\u4e2a <code>{capture: true}<\/code>\u7684\u5bf9\u8c61\u65f6\uff0c\u76d1\u542c\u5668\u4f1a\u5728<strong>\u6355\u83b7\u9636\u6bb5<\/strong>\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5728\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\uff08\u9ed8\u8ba4\uff09\nelement.addEventListener('click', handleClick);\n\/\/ \u6216\u663e\u5f0f\u8bbe\u7f6e\u4e3a false\nelement.addEventListener('click', handleClick, false);\n\n\/\/ \u5728\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\nelement.addEventListener('click', handleClick, true);\n\/\/ \u6216\u4f7f\u7528\u9009\u9879\u5bf9\u8c61\nelement.addEventListener('click', handleClick, { capture: true });<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u4e8c\uff1a\u4e8b\u4ef6\u5904\u7406<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u963b\u6b62\u4e8b\u4ef6\u7684\u9ed8\u8ba4\u884c\u4e3a\uff1f\u4ee5\u53ca\uff0c\u5982\u679c\u7b2c\u4e09\u65b9\u5e93\u7ed9\u4e00\u4e2a\u5143\u7d20\u7ed1\u5b9a\u4e86\u4e8b\u4ef6\uff0c\u4f60\u65e0\u6cd5\u4fee\u6539\u5176\u4ee3\u7801\uff0c\u5982\u4f55\u963b\u6b62\u8fd9\u4e2a\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570\u6267\u884c\uff1f<\/p>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a\uff0c\u63d0\u5230\u4e86 <code>preventDefault<\/code>\uff0c\u8fd9\u662f\u6b63\u786e\u7684\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e8e\u963b\u6b62\u7b2c\u4e09\u65b9\u5e93\u7684\u4e8b\u4ef6\uff0c\u601d\u8def\u662f\u201c\u79fb\u9664\u4e8b\u4ef6\u201d\u6216\u201c\u7528\u53d8\u91cf\u63a7\u5236\u201d\uff0c\u4f46\u610f\u8bc6\u5230\u65e0\u6cd5\u63a7\u5236\u7b2c\u4e09\u65b9\u5e93\u7684\u903b\u8f91\uff0c\u5e76\u8868\u793a\u4e0d\u6e05\u695a\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a<\/strong>\uff1a\u5728\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528 <code>event.preventDefault()<\/code>\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li><strong>\u963b\u6b62\u7b2c\u4e09\u65b9\u5e93\u7684\u4e8b\u4ef6\u56de\u8c03<\/strong>\uff1a\u8fd9\u662f\u4e00\u4e2a\u66f4\u68d8\u624b\u7684\u95ee\u9898\u3002\u7531\u4e8e\u65e0\u6cd5\u4fee\u6539\u7b2c\u4e09\u65b9\u5e93\u7684\u4ee3\u7801\uff0c\u76f4\u63a5\u201c\u79fb\u9664\u201d\u6216\u201c\u63a7\u5236\u201d\u5176\u56de\u8c03\u662f\u56f0\u96be\u7684\u3002\u66f4\u5408\u7406\u7684\u601d\u8def\u662f\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4e8b\u4ef6\u4ee3\u7406<\/strong>\uff1a\u5728\u66f4\u65e9\u7684\u6355\u83b7\u9636\u6bb5\uff08\u5982\u679c\u7b2c\u4e09\u65b9\u5e93\u5728\u5192\u6ce1\u9636\u6bb5\u76d1\u542c\uff09\u6216\u5728\u7236\u5143\u7d20\u4e0a\u76d1\u542c\u4e8b\u4ef6\uff0c\u7136\u540e\u8c03\u7528 <code>event.stopImmediatePropagation()<\/code>\u3002\u8fd9\u4e2a\u65b9\u6cd5\u80fd\u963b\u6b62<strong>\u540c\u4e00\u5143\u7d20\u4e0a<\/strong>\u540e\u7eed\u7ed1\u5b9a\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u88ab\u89e6\u53d1\u3002\u4f46\u524d\u63d0\u662f\u4f60\u7684\u76d1\u542c\u5668\u5fc5\u987b\u6bd4\u7b2c\u4e09\u65b9\u5e93\u7684<strong>\u5148\u6267\u884c<\/strong>\uff08\u53ef\u4ee5\u901a\u8fc7\u63d0\u9ad8\u76d1\u542c\u5668\u4f18\u5148\u7ea7\u6216\u4e5f\u8bbe\u7f6e\u5728\u6355\u83b7\u9636\u6bb5\u6765\u5b9e\u73b0\uff09\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u5199\u65b9\u6cd5\uff08\u4e0d\u63a8\u8350\uff09<\/strong>\uff1a\u6781\u7aef\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u91cd\u5199 <code>addEventListener<\/code>\u7b49\u65b9\u6cd5\u8fdb\u884c\u62e6\u622a\uff0c\u4f46\u8fd9\u4f1a\u7834\u574f\u4ee3\u7801\u7684\u7a33\u5b9a\u6027\uff0c\u4e0d\u63a8\u8350\u5728\u751f\u4ea7\u73af\u5883\u4f7f\u7528\u3002<\/li>\n\n\n\n<li><strong>\u6700\u4f73\u5b9e\u8df5<\/strong>\uff1a\u4f18\u5148\u8003\u8651\u4e0e\u7b2c\u4e09\u65b9\u5e93\u7684\u6574\u5408\u65b9\u5f0f\uff0c\u6216\u8005\u9009\u62e9\u53e6\u4e00\u4e2a\u4e0d\u51b2\u7a81\u7684\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u4e09\uff1aJavaScript\u8fd0\u884c\u673a\u5236<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong>\u5b8f\u4efb\u52a1\u4e0e\u5fae\u4efb\u52a1\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<code>setTimeout<\/code>\u548c <code>Promise<\/code>\u7684\u9012\u5f52\u8c03\u7528\uff0c\u54ea\u79cd\u4f1a\u5bfc\u81f4\u6d4f\u89c8\u5668\u5361\u6b7b\uff1f<\/p>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u77e5\u9053\u5fae\u4efb\u52a1\u4f18\u5148\uff0c\u4f46\u987a\u5e8f\u63cf\u8ff0\u4e0d\u51c6\u786e\u3002<\/li>\n\n\n\n<li>\u8ba4\u4e3a <code>Promise<\/code>\u9012\u5f52\u4f1a\u5bfc\u81f4\u5361\u6b7b\uff0c\u4f46\u539f\u56e0\u8bf4\u4e0d\u6e05\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fd0\u884c\u673a\u5236<\/strong>\uff1aJavaScript\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u4f7f\u7528\u4e8b\u4ef6\u5faa\u73af\u6a21\u578b\u3002\u4efb\u52a1\u5206\u4e3a\u5b8f\u4efb\u52a1\uff08\u5982<code>setTimeout<\/code>, <code>setInterval<\/code>, I\/O\uff09\u548c\u5fae\u4efb\u52a1\uff08\u5982<code>Promise.then<\/code>, <code>process.nextTick<\/code>\uff09\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e00\u6b21\u4e8b\u4ef6\u5faa\u73af\u4e2d\uff0c\u5148\u6267\u884c\u4e00\u4e2a\u5b8f\u4efb\u52a1\uff0c\u7136\u540e\u6267\u884c<strong>\u6240\u6709<\/strong>\u5df2\u4ea7\u751f\u7684\u5fae\u4efb\u52a1\uff0c\u63a5\u7740\u8fdb\u884c\u6e32\u67d3\uff0c\u518d\u5f00\u59cb\u4e0b\u4e00\u4e2a\u5b8f\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9012\u5f52\u8c03\u7528\u5bf9\u6bd4<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>setTimeout<\/code><strong>\u9012\u5f52<\/strong>\uff1a<code>setTimeout<\/code>\u662f\u5b8f\u4efb\u52a1\u3002\u6bcf\u6b21\u9012\u5f52\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b8f\u4efb\u52a1\u6392\u5230\u961f\u5217\u672b\u5c3e\uff0c<strong>\u4e0d\u4f1a\u963b\u585e<\/strong>\u4e8b\u4ef6\u5faa\u73af\uff0c\u6d4f\u89c8\u5668\u4ecd\u6709\u673a\u4f1a\u8fdb\u884c\u6e32\u67d3\u548c\u54cd\u5e94\u5176\u4ed6\u64cd\u4f5c\uff0c\u56e0\u6b64<strong>\u4e0d\u4f1a\u5bfc\u81f4\u5361\u6b7b<\/strong>\uff0c\u4f46\u4f1a\u9020\u6210\u6301\u7eed\u7684CPU\u5360\u7528\u3002<\/li>\n\n\n\n<li><code>Promise<\/code><strong>\u9012\u5f52<\/strong>\uff1a<code>Promise<\/code>\u7684\u56de\u8c03\u662f\u5fae\u4efb\u52a1\u3002\u5728\u4e00\u4e2a\u5b8f\u4efb\u52a1\u4e2d\uff0c\u9012\u5f52\u5730\u521b\u5efa\u5fae\u4efb\u52a1\u4f1a\u5bfc\u81f4\u5fae\u4efb\u52a1\u961f\u5217\u6c38\u8fdc\u6e05\u4e0d\u5b8c\uff0c\u56e0\u4e3a\u6267\u884c\u4e00\u4e2a\u5fae\u4efb\u52a1\u53c8\u4f1a\u4ea7\u751f\u65b0\u7684\u5fae\u4efb\u52a1\u3002\u4e8b\u4ef6\u5faa\u73af\u5c06\u65e0\u6cd5\u8fdb\u5165\u4e0b\u4e00\u4e2a\u9636\u6bb5\uff08\u5305\u62ec\u6e32\u67d3\uff09\uff0c\u4ece\u800c\u5bfc\u81f4\u9875\u9762<strong>\u5361\u6b7b<\/strong>\uff0c\u65e0\u54cd\u5e94\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u56db\uff1aTypeScript<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong><code>interface<\/code>\u548c <code>type<\/code>\u7684\u533a\u522b\uff1f\u58f0\u660e\u4e24\u4e2a\u540c\u540d\u7684 <code>interface<\/code>\u4f1a\u600e\u6837\uff1f<\/p>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u77e5\u9053 <code>interface<\/code>\u53ef\u6269\u5c55\uff08\u7ee7\u627f\uff09\uff0c<code>type<\/code>\u6bd4\u8f83\u56fa\u5b9a\u3002<\/li>\n\n\n\n<li>\u8ba4\u4e3a\u540c\u540d <code>interface<\/code>\u4f1a\u201c\u7075\u6d3b\u63a8\u65ad\u201d\uff0c\u4f46\u63cf\u8ff0\u4e0d\u51c6\u786e\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><code>interface<\/code>\u4e0e <code>type<\/code>\u533a\u522b<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>interface<\/code>\uff1a\u4e3b\u8981\u7528\u4e8e\u5b9a\u4e49<strong>\u5bf9\u8c61\u7684\u5f62\u72b6<\/strong>\uff0c\u652f\u6301<strong>\u58f0\u660e\u5408\u5e76<\/strong>\uff08\u89c1\u4e0b\u4e00\u70b9\uff09\uff0c\u66f4\u9002\u5408\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff0c\u901a\u8fc7 <code>extends<\/code>\u5b9e\u73b0\u7ee7\u627f\u3002<\/li>\n\n\n\n<li><code>type<\/code>\uff1a\u522b\u540d\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4efb\u4f55\u7c7b\u578b\uff08\u539f\u59cb\u503c\u3001\u8054\u5408\u7c7b\u578b\u3001\u5143\u7ec4\u7b49\uff09\uff0c\u901a\u5e38\u901a\u8fc7 <code>&amp;<\/code>\u5b9e\u73b0\u4ea4\u53c9\u7c7b\u578b\u3002\u5b83\u4e0d\u80fd\u58f0\u660e\u5408\u5e76\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u540c\u540d <code>interface<\/code><\/strong>\uff1aTypeScript\u652f\u6301<strong>\u58f0\u660e\u5408\u5e76<\/strong>\u3002\u5982\u679c\u4f60\u58f0\u660e\u4e86\u4e24\u4e2a\u540c\u540d\u7684 <code>interface<\/code>\uff0c\u5b83\u4eec\u7684\u6210\u5458\u4f1a\u88ab\u5408\u5e76\u5230\u4e00\u4e2a\u63a5\u53e3\u4e2d\u3002\u5982\u679c\u5b58\u5728\u540c\u540d\u6210\u5458\u4e14\u7c7b\u578b\u4e0d\u540c\uff0c\u5219\u4f1a\u62a5\u9519\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>interface User { name: string; }\ninterface User { age: number; }\n\/\/ \u5408\u5e76\u4e3a\uff1ainterface User { name: string; age: number; }\nconst user: User = { name: 'Alice', age: 30 }; \/\/ \u6b63\u786e<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u4e94\uff1aReact<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>useMemo<\/code>\u548c <code>useCallback<\/code>\u7684\u533a\u522b\uff1f\u80fd\u7528 <code>useMemo<\/code>\u66ff\u4ee3 <code>useCallback<\/code>\u5417\uff1f<\/li>\n\n\n\n<li><code>useRef<\/code>\u7684\u7528\u9014\uff1f\u5982\u4f55\u66f4\u65b0 <code>useRef<\/code>\u7684\u503c\uff1f<\/li>\n\n\n\n<li>\u5982\u4f55\u5728\u7ec4\u4ef6\u9500\u6bc1\u65f6\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff08\u751f\u547d\u5468\u671f\uff09\uff1f<\/li>\n<\/ol>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u77e5\u9053 <code>useMemo<\/code>\u7f13\u5b58\u6570\u636e\uff0c<code>useCallback<\/code>\u7f13\u5b58\u51fd\u6570\uff0c\u8ba4\u4e3a\u53ef\u4ee5\u66ff\u4ee3\u3002<\/li>\n\n\n\n<li>\u77e5\u9053 <code>useRef<\/code>\u53ef\u7528\u4e8e\u83b7\u53d6DOM\u548c\u5b58\u50a8\u53ef\u53d8\u503c\uff0c\u4f46\u5fd8\u8bb0\u5982\u4f55\u66f4\u65b0\u3002<\/li>\n\n\n\n<li>\u77e5\u9053\u6709\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u4f46\u8bb0\u4e0d\u8d77\u662f <code>useEffect<\/code>\u7684\u6e05\u7406\u51fd\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><code>useMemo<\/code>vs <code>useCallback<\/code><\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>useMemo<\/code>\uff1a\u7f13\u5b58\u4e00\u4e2a<strong>\u8ba1\u7b97\u7ed3\u679c<\/strong>\uff08\u503c\uff09\u3002<code>const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b]);<\/code><\/li>\n\n\n\n<li><code>useCallback<\/code>\uff1a\u7f13\u5b58\u4e00\u4e2a<strong>\u51fd\u6570\u672c\u8eab<\/strong>\u3002<code>const memoizedCallback = useCallback(() => { doSomething(a, b); }, [a, b]);<\/code><\/li>\n\n\n\n<li><code>useCallback(fn, deps)<\/code>\u7b49\u4ef7\u4e8e <code>useMemo(() => fn, deps)<\/code>\u3002\u6240\u4ee5<strong>\u53ef\u4ee5<\/strong>\u7528 <code>useMemo<\/code>\u6765\u6a21\u62df <code>useCallback<\/code>\uff0c\u4f46\u8bed\u4e49\u4e0a\u4e0d\u63a8\u8350\uff0c\u76f4\u63a5\u7528 <code>useCallback<\/code>\u66f4\u6e05\u6670\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><code>useRef<\/code><\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u7528\u9014<\/strong>\uff1a\u2460 \u8bbf\u95eeDOM\u5143\u7d20\u3002\u2461 \u4fdd\u5b58\u4e00\u4e2a\u5728\u6574\u4e2a\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u5185<strong>\u53ef\u53d8<\/strong>\u4f46\u4e0d\u4f1a\u89e6\u53d1\u91cd\u65b0\u6e32\u67d3\u7684\u503c\uff08\u7c7b\u4f3c\u4e8e\u7c7b\u7684\u5b9e\u4f8b\u5c5e\u6027\uff09\u3002<\/li>\n\n\n\n<li><strong>\u66f4\u65b0<\/strong>\uff1a\u901a\u8fc7\u4fee\u6539 <code>ref.current<\/code>\u5c5e\u6027\u5373\u53ef\u66f4\u65b0\u3002<code>ref.current = newValue<\/code>\u3002\u6ce8\u610f\uff0c\u4fee\u6539 <code>.current<\/code>\u4e0d\u4f1a\u5f15\u53d1\u7ec4\u4ef6\u91cd\u65b0\u6e32\u67d3\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ec4\u4ef6\u9500\u6bc1\u65f6\u673a<\/strong>\uff1a\u5728\u51fd\u6570\u7ec4\u4ef6\u4e2d\uff0c\u4f7f\u7528 <code>useEffect<\/code>\u7684<strong>\u6e05\u7406\u51fd\u6570<\/strong>\uff08\u8fd4\u56de\u7684\u51fd\u6570\uff09\u6765\u6a21\u62df <code>componentWillUnmount<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>useEffect(() => {\n  \/\/ \u7ec4\u4ef6\u6302\u8f7d\/\u66f4\u65b0\u540e\u6267\u884c\u7684\u64cd\u4f5c\n  console.log('Component did mount\/update');\n\n  return () => {\n    \/\/ \u6e05\u7406\u51fd\u6570\uff1a\u7ec4\u4ef6\u5378\u8f7d\u524d\u6267\u884c\n    console.log('Component will unmount');\n  };\n}, &#91;]); \/\/ \u4f9d\u8d56\u6570\u7ec4\u4e3a\u7a7a\uff0c\u8868\u793a\u4ec5\u5728\u6302\u8f7d\u548c\u5378\u8f7d\u65f6\u6267\u884c<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u516d\uff1aGit<\/h2>\n\n\n\n<p><strong>\u9762\u8bd5\u5b98\u95ee\u9898\uff1a<\/strong>\u4e0d\u5c0f\u5fc3\u63d0\u4ea4\u4e86\u4e00\u4e2acommit\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff0c\u5982\u4f55\u64a4\u9500\/\u56de\u6eda\u5b83\uff1f<\/p>\n\n\n\n<p><strong>\u4f60\u7684\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u77e5\u9053\u7528 <code>git log<\/code>\u627e\u5230commit id\u3002<\/li>\n\n\n\n<li>\u4f46\u5fd8\u8bb0\u4e86\u5177\u4f53\u7684\u56de\u6eda\u547d\u4ee4\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6807\u51c6\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<p>\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>1.git revert<\/code>\uff08\u63a8\u8350\uff0c\u5b89\u5168\uff09<\/strong>\uff1a\u521b\u5efa\u4e00\u4e2a<strong>\u65b0\u7684commit<\/strong>\u6765\u62b5\u6d88\u6389\u4e0d\u60f3\u8981\u7684commit\u7684\u66f4\u6539\u3002\u8fd9\u4f1a\u4fdd\u7559\u5386\u53f2\u8bb0\u5f55\uff0c\u9002\u5408\u56e2\u961f\u534f\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>git log # \u627e\u5230\u8981\u64a4\u9500\u7684commit\u7684\u54c8\u5e0c\u503c\uff08\u5982 abc123\uff09\ngit revert abc123\ngit push origin main<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2.<strong><code>git reset<\/code>\uff08\u5371\u9669\uff0c\u4f1a\u91cd\u5199\u5386\u53f2\uff09<\/strong>\uff1a\u5c06\u5206\u652f\u6307\u9488\u76f4\u63a5\u56de\u9000\u5230\u4e4b\u524d\u7684\u67d0\u4e2acommit\u3002<strong>\u5982\u679ccommit\u5df2\u63a8\u9001\u5230\u8fdc\u7a0b\uff0c\u4e0d\u8981\u8f7b\u6613\u4f7f\u7528 <code>git reset<\/code><\/strong>\uff0c\u9664\u975e\u4f60\u786e\u5b9a\u53ea\u6709\u4f60\u4e00\u4eba\u5728\u8fd9\u4e2a\u5206\u652f\u4e0a\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># \u672c\u5730\u64cd\u4f5c\uff08--hard \u4f1a\u4e22\u5f03\u6240\u6709\u66f4\u6539\uff0c\u614e\u7528\uff09\ngit reset --hard abc122 # \u56de\u9000\u5230abc123\u7684\u524d\u4e00\u4e2acommit\n# \u5f3a\u5236\u63a8\u9001\u5230\u8fdc\u7a0b\uff08\u5371\u9669\uff01\uff09\ngit push --force-with-lease origin main<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u8bd5\u5b98\u95ee\u7684\u5f88\u7ec6\u8282 \u6709\u4e9b\u95ee\u9898\u8fd8\u662f\u5b66\u4e60\u521d\u671f\u9047\u5230\u7684 \u73b0\u5728\u5df2\u7ecf\u9057\u5fd8\u4e86 \u8fd8\u662f\u8981\u53ca\u65f6\u8865\u5145\u57fa\u7840\u77e5\u8bc6 \u95ee\u9898\u4e00\uff1a\u4e8b\u4ef6\u6d41 \u9762\u8bd5\u5b98\u95ee [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,46],"tags":[],"class_list":["post-2265","post","type-post","status-publish","format-standard","hentry","category-1","category-46"],"_links":{"self":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2265"}],"version-history":[{"count":3,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2265\/revisions"}],"predecessor-version":[{"id":2268,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2265\/revisions\/2268"}],"wp:attachment":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}