{"id":12396,"date":"2026-09-10T18:37:44","date_gmt":"2026-09-10T10:37:44","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12396"},"modified":"2026-09-10T18:37:44","modified_gmt":"2026-09-10T10:37:44","slug":"web-locks-api","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/09\/web-locks-api\/","title":{"rendered":"\u5173\u952e\u65f6\u523b\u53ef\u4ee5\u6551\u547d\u7684Web Locks API"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12396\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12396<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001\u5927\u6587\u4ef6\u65ad\u70b9\u7eed\u4f20<\/h3>\n<p>\u5927\u6587\u4ef6\u4e0a\u4f20\uff0c\u4e3a\u4e86\u7528\u6237\u4f53\u9a8c\u826f\u597d\uff0c\u901a\u5e38\u9700\u8981\u63a5\u5165\u65ad\u70b9\u7eed\u4f20\u3002<\/p>\n<p>\u76f8\u5173\u524d\u7aef\u5b9e\u73b0\u6211\u5341\u51e0\u5e74\u524d\u5c31\u6709\u4ecb\u7ecd\u8fc7\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=3754\">HTTP\u534f\u8bae\u4e0b\u6587\u4ef6\u4e0a\u4f20\u65ad\u70b9\u7eed\u4f20<\/a>\u201d\u3002<\/p>\n<p>\u4e0d\u8fc7\u672c\u6587\u8981\u8bb2\u7684\u91cd\u70b9\u4e0d\u662f\u65ad\u70b9\u7eed\u4f20\u672c\u8eab\uff0c\u800c\u662f\u5176\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u4e00\u4e2a\u7528\u6237\u4f53\u9a8c\u95ee\u9898\u3002<\/p>\n<p>\u90a3\u5c31\u662f\u5982\u679c\u7528\u6237\u540c\u65f6\u6253\u5f00\u591a\u4e2a\u540c\u4e00\u4e2aURL\u5730\u5740\u7684\u6587\u4ef6\u7eed\u4f20\u6807\u7b7e\u9875\uff0c\u6b64\u65f6\u8be5\u600e\u4e48\u529e\uff1f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_143207.webp\" width=\"400\" height=\"212\" alt=\"\u7edf\u4e00\u6807\u7b7e\u4e0a\u4f20\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5982\u679c\u6211\u4eec\u653e\u4efb\u4e0d\u7ba1\uff0c\u90a3\u4e48\u8fd9\u51e0\u4e2a\u9875\u9762\u90fd\u4f1a\u81ea\u4e3b\u4e3b\u5f20\u7ed9\u540e\u7aef\u53d1\u9001\u4e0a\u4f20\u6570\u636e\u3002<\/p>\n<p>\u90a3\u8fd8\u5f97\u4e86\uff0c\u6bcf\u4e2a\u9875\u9762\u7684\u4e0a\u4f20\u8fdb\u5ea6\u4e0d\u4e00\u6837\u7684\uff0c\u540e\u7aef\u8fd4\u56de\u5c82\u4e0d\u662f\u4e00\u4f1a\u513f30%\uff0c\u4e00\u4f1a\u513f25%\uff0c\u4e00\u4f1a\u513f\u53c8\u662f35%\u3002<\/p>\n<p>\u4e8e\u662f\u5c31\u4f1a\u770b\u5230\u8fdb\u5ea6\u6761\u50cf\u5f97\u4e86\u7f8a\u766b\u75af\u4e00\u6837\uff0c\u75af\u72c2\u8df3\u52a8\uff0c\u6765\uff0c\u793e\u4f1a\u6447\uff0c\u8d70\u8d77\u6765\u3002<\/p>\n<p><video src=\"\/\/image.zhangxinxu.com\/video\/blog\/202609\/dance-small.mp4\" type=\"video\/mp4\" width=\"158\" height=\"82\" preload=\"auto\" muted autoplay loop x-webkit-airplay=\"allow\" x5-video-player-type=\"h5\" x5-video-player-fullscreen=\"true\" x5-video-orientation=\"portraint\" webkit-playsinline=\"true\" playsinline=\"true\" \u200b\u200b\u200b\u200bposter=\"\/\/image.zhangxinxu.com\/image\/blog\/201806\/poster.png\"><\/video><\/p>\n<p>\u8fd9\u79cd\u75af\u766b\u7684\u4ea4\u4e92\u6548\u679c\u5c31\u7b97\u662f\u7cbe\u795e\u5c0f\u59b9\u90fd\u65e0\u6cd5\u5bb9\u5fcd\u3002<\/p>\n<p>\u663e\u7136\u9700\u8981\u5904\u7406\uff1f<\/p>\n<p>\u8be5\u600e\u4e48\u5904\u7406\u5462\u3002<\/p>\n<h3>\u4e8c\u3001\u8de8\u6d4f\u89c8\u5668\u6807\u7b7e\u9875\u5f00\u53d1\u5e38\u89c1\u65b9\u6848<\/h3>\n<p>\u6211\u4eec\u4e0d\u59a8\u770b\u770b\u5e02\u9762\u4e0a\u73b0\u6709\u7684\uff0c\u8de8\u9875\u9762\u7684\u901a\u4fe1\u4ea4\u4e92\u65b9\u6848\uff0c\u80fd\u4e0d\u80fd\u4f18\u96c5\u5730\u89e3\u51b3\u6b64\u95ee\u9898\u3002<\/p>\n<h4>1. \u672c\u5730localStorage + \u8f6e\u8be2<\/h4>\n<pre>\/\/ \u793a\u610f\u4ee3\u7801\uff0c\u52ff\u4f7f\u7528\r\nif (!localStorage.getItem('upload-lock')) { \r\n  localStorage.setItem('upload-lock', Date.now()); \r\n  \/\/ \u5f00\u59cb\u4e0a\u4f20\r\n  \/\/ ...\r\n}<\/pre>\n<p><strong>\u95ee\u9898\u5728\u4e8e\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u7ade\u6001\u6761\u4ef6\uff1a<\/strong>localStorage \u7684\u8bfb\/\u5199\u64cd\u4f5c\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\u3002\u6240\u8c13\u539f\u5b50\u64cd\u4f5c\uff0c\u6307\u7684\u662f\u4e00\u6b21\u6027\u5b8c\u6574\u6267\u884c\u5b8c\u6bd5\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a\n<pre>\/\/ \u903b\u8f91\uff1a\u8bfb\u53d6\u8ba1\u6570 +1 \u518d\u5b58\u56de\u53bb\r\nlet count = Number(localStorage.getItem('counter')); \/\/ \u2460\u8bfb\r\ncount = count + 1;                                    \/\/ \u2461\u5185\u5b58\u4fee\u6539\r\nlocalStorage.setItem('counter', count);               \/\/ \u2462\u5199\r\n<\/pre>\n<p>\u4e0a\u9762\u4ee3\u7801\u7684\u8bfb\u672c\u8eab\uff0c\u548c\u5199\u672c\u8eab\u53ef\u4ee5\u770b\u6210\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u4f46\u662f\uff0c\u6574\u4e2a\u4efb\u52a1\u5374\u4e0d\u662f\u539f\u5b50\u7684\uff0c\u56e0\u4e3a\u8bfb\u548c\u5199\u4e2d\u95f4\u6709\u4e00\u6bb5\u4e1a\u52a1\u8ba1\u7b97\uff0c\u6574\u5957\u64cd\u4f5c\u88ab\u62c6\u5206\uff0c\u4e2d\u95f4\u53ef\u4ee5\u88ab\u522b\u7684\u6807\u7b7e\u9875\u62a2\u5360\u3002\n<\/li>\n<li><strong>\u8fc7\u671f\u9501\u5b9a\uff1a<\/strong>\u5982\u679c\u6807\u7b7e\u9875\u5d29\u6e83\uff0c\u9501\u5b9a\u72b6\u6001\u5c06\u6c38\u4e45\u4fdd\u7559\u3002<\/li>\n<li><strong>\u8f6e\u8be2\u5f00\u9500\uff1a<\/strong>\u60a8\u9700\u8981\u6301\u7eed\u68c0\u67e5\u9501\u5b9a\u72b6\u6001<\/li>\n<li><strong>\u4e8b\u4ef6\u9650\u5236\uff1a<\/strong>\u5b58\u50a8\u4e8b\u4ef6\u53ea\u4f1a\u5728\u5176\u4ed6\u6807\u7b7e\u9875\u4e2d\u89e6\u53d1\uff0c\u800c\u4e0d\u4f1a\u5728\u5f53\u524d\u6807\u7b7e\u9875\u4e2d\u89e6\u53d1\u3002<\/li>\n<\/ul>\n<h4>2. Broadcast Channel API<\/h4>\n<p>\u5e7f\u64ad\u901a\u9053API\u6211\u53bb\u5e74\u4e5f\u4ecb\u7ecd\u8fc7\uff0c\u8be6\u89c1\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2025\/01\/js-broadcast-channel-api\/\">Broadcast Channel API\u7b80\u4ecb\uff0c\u53ef\u5b9e\u73b0Web\u9875\u9762\u5e7f\u64ad\u901a\u4fe1<\/a>\u201d\u4e00\u6587\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202501\/2025-01-10_223935.png\" width=\"629\" height=\"214\" alt=\"BroadcastChannel\u517c\u5bb9\u6027\" class=\"alignnone size-medium\"><\/p>\n<p>\u5982\u679c\u662f\u9488\u5bf9\u5f53\u524d\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u8fd9\u4e48\u5904\u7406\uff1a<\/p>\n<pre>const channel = new BroadcastChannel('upload-coordination');\r\nchannel.postMessage({ type: 'REQUEST_UPLOAD_PERMISSION' });<\/pre>\n<p>\u770b\u8d77\u6765\u4ee3\u7801\u8fd8\u633a\u7b80\u5355\uff0c\u4e0d\u8fc7\u95ee\u9898\u4e5f\u6bd4\u8f83\u81f4\u547d\u3002<\/p>\n<p>\u90a3\u5c31\u662f\u540c\u65f6\u53d1\u9001\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u9020\u6210\u51b2\u7a81\uff0c\u9700\u8981\u624b\u52a8\u5904\u7406\u5fc3\u8df3\u68c0\u6d4b\u3001\u5d29\u6e83\u68c0\u6d4b\u548c\u51b2\u7a81\u89e3\u51b3\u3002<\/p>\n<hr>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u90a3\u4e9b\u5e38\u89c1\u7684\u8de8\u9875\u9762\u901a\u4fe1\u624b\u6bb5\uff0c\u90fd\u65e0\u6cd5\u771f\u6b63\u89e3\u51b3\u8fd9\u91cc\u7684\u5171\u4eab\u6587\u4ef6\u4e0a\u4f20\u95ee\u9898\u3002<\/p>\n<p>\u5176\u5b9e\uff0c\u7c7b\u4f3c\u8fd9\u79cd\u591a\u9875\u9762\u64cd\u4f5c\u7edf\u4e00\u8d44\u6e90\u7684\u573a\u666f\uff0c\u6beb\u65e0\u7591\u95ee\uff0c\u6700\u597d\u7684\u89e3\u51b3\u65b9\u6848\u5c31\u662fWeb Locks API\u3002<\/p>\n<h3>\u4e09\u3001\u4e86\u89e3\u201c\u9501\u201d\u7684\u6982\u5ff5<\/h3>\n<p>\u201c\u9501\u201d\u662f\u8ba1\u7b97\u673a\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u63a5\u89e6\u7684\u4e0d\u591a\uff0c\u4f46\u662f\u5982\u679c\u662f\u6570\u636e\u5e93\u5f00\u53d1\uff0c\u90a3\u8fd9\u4e2a\u53ef\u592a\u719f\u4e86\u3002<\/p>\n<p>\u9501\u5176\u5b9e\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5b83\u786e\u4fdd\u5171\u4eab\u8d44\u6e90\uff08\u53d8\u91cf\u3001\u5bf9\u8c61\u3001\u51fd\u6570\u8c03\u7528\u7b49\uff09\u4e00\u6b21\u53ea\u80fd\u88ab\u4e00\u4e2a\u5bf9\u8c61\u8bbf\u95ee\uff0c\u5e76\u4e14\u4fdd\u8bc1\u6bcf\u4e2a\u8c03\u7528\u8005\u90fd\u80fd\u83b7\u5f97\u6700\u65b0\u4fe1\u606f\u3002<\/p>\n<p>\u6bd4\u65b9\u8bf4\uff1a\u4e00\u5bb6\u94f6\u884c\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u5b58\u50a8\u4e86\u591a\u4e2a\u8d26\u6237\uff0c\u5e76\u4e14\u6709\u591a\u53f0ATM\u673a\u540c\u65f6\u8fdb\u884c\u53d6\u6b3e\u3001\u5b58\u6b3e\u548c\u67e5\u8be2\u4f59\u989d\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u534f\u8c03\uff08\u540c\u6b65\uff09\uff0c\u8fd9\u5c06\u5bfc\u81f4\u6df7\u4e71\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_170501.png\" width=\"589\" height=\"262\" alt=\"\u53d6\u6b3e\u6df7\u4e71\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u6b64\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u9501\u5b9a\u8d26\u6237\u7684\u8bfb\u5199\u6743\u9650\u6765\u63a7\u5236\u8bbf\u95ee\u3002<\/p>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u65e0\u8bba\u6267\u884c\u4ec0\u4e48\u64cd\u4f5c\uff08\u53d6\u6b3e\u3001\u5145\u503c\u6216\u67e5\u8be2\u4f59\u989d\uff09\uff0c\u7b2c\u4e00\u4e2a\u83b7\u5f97\u9501\u7684\u8c03\u7528\u8005\u90fd\u5c06\u83b7\u5f97\u8be5\u9501\u3002<\/p>\n<p>\u5176\u4ed6\u8c03\u7528\u8005\u5fc5\u987b\u7b49\u5230\u7b2c\u4e00\u4e2a\u83b7\u5f97\u9501\u7684\u8c03\u7528\u8005\u5b8c\u6210\u64cd\u4f5c\u540e\uff0c\u9501\u624d\u4f1a\u88ab\u91ca\u653e\u3002<\/p>\n<p>\u4e0b\u56fe\u5c55\u793a\u4e86\u540c\u6b65\u8d26\u6237\u8bbf\u95ee\u540e\u7684\u60c5\u51b5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_170618.png\" width=\"634\" height=\"262\" alt=\"\u6709\u4e86\u9501\u4e4b\u540e\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u56db\u3001navigator.locks\u4e0e\u4e0a\u4f20\u9501\u5b9a<\/h3>\n<p>OK\uff0c\u4e07\u4e8b\u5177\u5907\uff0c\u5c31\u770bWeb Locks API\u5982\u4f55\u5728\u4ee3\u7801\u5c42\u9762\u89e3\u51b3\u6211\u4eec\u7684\u4e0a\u4f20\u51b2\u7a81\u95ee\u9898\u4e86\uff0c\u5176\u5b9e\u4ee3\u7801\u5f88\u7b80\u5355\u3002<\/p>\n<pre>\/\/ \u53ea\u6709\u6210\u529f\u83b7\u53d6\u9501\u624d\u7ee7\u7eed\u5904\u7406\r\nnavigator.locks.request(LOCK_NAME, { ifavailable: true }\r\n  async (lock) => {\r\n    if (lock) {\r\n      \/\/ \u6267\u884c\u4e0a\u4f20\r\n      upload(); \r\n      await holdLockUntilComplete(abortController);\r\n    }\r\n    \/\/ \u83b7\u53d6\u4e0d\u5230\u9501\u5219\u9759\u9ed8\u8df3\u8fc7 - \u5176\u4ed6\u6807\u7b7e\u9875\u6b63\u5728\u5904\u7406\r\n    \/\/ ...\r\n  }\r\n);\r\n<\/pre>\n<p>\u770b\u5230\u6ca1\u6709\uff0c\u5c31\u51e0\u884c\u4ee3\u7801\u3002<\/p>\n<p>\u4f7f\u7528\u975e\u5e38\u7b80\u5355\uff0c\u5c31\u662f\u628a\u539f\u6765\u7684\u5b9e\u73b0\u4ee3\u7801\uff0c\u4f7f\u7528<code>navigator.locks.request()<\/code>\u65b9\u6cd5\u5305\u4e00\u4e0b\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u6b64\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u52a0\u9501\u548c\u9501\u5224\u65ad\u3002<\/p>\n<p><strong>\u9501\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u793a\u610f<\/strong><\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684<code>holdLockUntilComplete()<\/code>\u53ef\u4ee5\u7528\u6765\u4e2d\u65ad\u4e0a\u4f20\u8bf7\u6c42\uff0c\u6216\u8005\u7528\u6765\u7ba1\u7406\u6574\u4e2a\u4e0a\u4f20\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p>\u4f7f\u7528\u793a\u610f\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\u3002<\/p>\n<pre>const holdLockUntilComplete = (abortController) =&gt; {\r\n  return new Promise((resolve) =&gt; {\r\n    const cleanup = () =&gt; {\r\n      \/\/ \u79fb\u9664\u6240\u6709\u7684\u76d1\u542c\u4e8b\u4ef6\r\n      uploader.off(\"complete\", cleanup);\r\n      resolve();\r\n    };\r\n\r\n    \/\/ \u4e0a\u4f20\u5b8c\u6210\u4e8b\u4ef6\r\n    uploader.on(\"complete\", cleanup);\r\n    \/\/ \u5176\u4ed6\u4e8b\u4ef6\u7565...\r\n\r\n    \/\/ \u7ec4\u4ef6\u5378\u8f7d\u65f6\u4e5f\u91ca\u653e\r\n    abortController.signal.addEventListener(\"abort\", cleanup);\r\n  });\r\n};<\/pre>\n<h4>\u4f7f\u7528 LockManager \u7684\u597d\u5904<\/h4>\n<ul>\n<li>\u771f\u6b63\u89e3\u51b3\u51b2\u7a81\u95ee\u9898\uff0c\u96f6\u91cd\u590d\u4e0a\u4f20<\/li>\n<li>\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u7531\u4e8e\u534f\u8c03\u903b\u8f91\uff0c\u4e0a\u4f20\u8fc7\u7a0b\u4e0d\u4f1a\u518d\u51fa\u73b0\u5361\u987f\u3002<\/li>\n<li>\u964d\u4f4e\u57fa\u7840\u8bbe\u65bd\u6210\u672c\uff0c\u4e0d\u518d\u9700\u8981\u91cd\u590d\u5904\u7406\u548c\u5b58\u50a8<\/li>\n<li>\u66f4\u7b80\u6d01\u7684\u4ee3\u7801\uff0c\u6ca1\u6709\u590d\u6742\u7684\u72b6\u6001\u673a\u6216\u8f6e\u8be2\u903b\u8f91<\/li>\n<\/ul>\n<h3>\u4e94\u3001\u4e00\u4e9b\u53ef\u9009\u53c2\u6570\u8bf4\u660e<\/h3>\n<p><code>navigator.locks.request()<\/code>\u65b9\u6cd5\u662f\u652f\u6301\u4e00\u4e9b\u53ef\u9009\u53c2\u6570\u7684\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>request(name, callback)\r\nrequest(name, options, callback)<\/pre>\n<p>\u5176\u4e2d\uff0c<code>options<\/code>\u652f\u6301\u4ee5\u4e0b\u4e00\u4e9b\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5927\u591a\u6570\u573a\u666f\u4e0b\u90fd\u7528\u4e0d\u5230\uff0c\u5927\u5bb6\u4e00\u773c\u626b\u4e00\u4e0b\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<dl>\n<dt><strong>mode<\/strong><\/dt>\n<dd>\n<p><code>\"exclusive\"<\/code> \u6216 <code>\"shared\"<\/code> \u4e4b\u4e00\u3002\u9ed8\u8ba4\u503c\u662f <code>\"exclusive\"<\/code>\uff0c\u8868\u793a\u6392\u4ed6\uff0c\u4e5f\u5c31\u662f\u4e00\u6b21\u53ea\u80fd\u4e00\u4e2a\u9501\u3002<code>\"shared\"<\/code> \u8868\u793a\u5171\u4eab\u9501\u3002<\/p>\n<\/dd>\n<dt><strong>ifAvailable<\/strong><\/dt>\n<dd>\n<p>\u5982\u679c\u4e3a <code>true<\/code>\uff0c\u5219\u53ea\u6709\u5728\u5c1a\u672a\u6301\u6709\u9501\u7684\u60c5\u51b5\u4e0b\u624d\u4f1a\u6388\u4e88\u9501\u8bf7\u6c42\u3002\u5982\u679c\u65e0\u6cd5\u6388\u4e88\uff0c\u5219\u5c06\u4f7f\u7528 <code>null<\/code> \u800c\u4e0d\u662f <code>Lock<\/code> \u5b9e\u4f8b\u6765\u8c03\u7528\u56de\u8c03\u3002\u9ed8\u8ba4\u503c\u4e3a <code>false<\/code>\u3002<\/p>\n<\/dd>\n<dt><strong>steal<\/strong><\/dt>\n<dd>\n<p>\u5982\u679c\u4e3a <code>true<\/code>\uff0c\u5c06\u91ca\u653e\u6240\u6709\u540c\u540d\u5df2\u6301\u6709\u7684\u9501\uff0c\u5e76\u6388\u4e88\u8be5\u8bf7\u6c42\u3002\u9ed8\u8ba4\u503c\u4e3a <code>false<\/code>\u3002<\/p>\n<p class=\"tips\">\u8b66\u544a\uff1a\u5c0f\u5fc3\u4f7f\u7528\uff01\u4e4b\u524d\u5728\u9501\u5185\u8fd0\u884c\u7684\u4ee3\u7801\u4f1a\u7ee7\u7eed\u8fd0\u884c\uff0c\u5e76\u4e14\u53ef\u80fd\u4e0e\u73b0\u5728\u6301\u6709\u9501\u7684\u4ee3\u7801\u53d1\u751f\u51b2\u7a81\u3002<\/p>\n<\/dd>\n<dt><strong>signal<\/strong><\/dt>\n<dd>\n<p>\u4e00\u4e2a <code>AbortSignal<\/code>\uff08<code>AbortController<\/code> \u7684 <code>signal<\/code> \u5c5e\u6027\uff09\uff1b\u5982\u679c\u6307\u5b9a\u5e76\u4e14 <code>AbortController<\/code> \u88ab\u4e2d\u6b62\uff0c\u5219\u9501\u8bf7\u6c42\u5c06\u88ab\u4e22\u5f03\uff08\u5982\u679c\u5c1a\u672a\u6388\u4e88\uff09\u3002<\/p>\n<\/dd>\n<\/dl>\n<h4>\u5176\u4ed6\u9002\u5408\u4f7f\u7528Locks API\u7684\u573a\u666f<\/h4>\n<p>\u9664\u4e86\u672c\u6587\u63d0\u5230\u7684\u5927\u6587\u4ef6\u65ad\u70b9\u7eed\u4f20\uff0c\u8fd8\u6709\u4ee5\u4e0b\u8fd9\u4e9b\u9700\u6c42\u573a\u666f\u9002\u5408\u4f7f\u7528 Web Locks API.<\/p>\n<ul>\n<li>\u5f53\u591a\u4e2a\u6807\u7b7e\u9875\u540c\u65f6\u64cd\u4f5c Indexed Database API \u6216 LocalStorage \u65f6;<\/li>\n<li>\u5728\u7f51\u9875\u7aef\u6587\u6863\u7f16\u8f91\u5668\u4e2d\uff0c\u82e5\u7528\u6237\u5728\u4e24\u4e2a\u6807\u7b7e\u9875\u4e2d\u6253\u5f00\u4e86\u540c\u4e00\u4efd\u6587\u6863;<\/li>\n<li>\u5728\u5355\u9875\u9762\u5185\u6309\u987a\u5e8f\u6267\u884c\u590d\u6742\u7684\u5f02\u6b65\u4efb\u52a1\uff08\u5982\u6279\u91cf\u6587\u4ef6\u4e0a\u4f20\u3001\u8fde\u7eed\u4e32\u8054\u8bf7\u6c42\uff09\u65f6;<\/li>\n<\/ul>\n<p>\u8fd8\u6709\u4e0b\u56fe\u6240\u793a\u7684\u60c5\u51b5\uff0c\u4e5f\u6709\u5fc5\u8981\u4e0a\u9501 <img loading=\"lazy\" decoding=\"async\" src=\"data:image\/svg+xml;base64,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\" width=\"20\" height=\"20\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_182618.webp\" width=\"313\" height=\"175\" alt=\"\u4f17\u5973\u56f4\u7ed5\u4e00\u4e2a\u8d44\u6e90\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u516d\u3001\u517c\u5bb9\u6027\u4ee5\u53ca\u5176\u4ed6\u8bf4\u660e<\/h3>\n<p>Web Locks API\u5df2\u7ecf\u51fa\u73b0\u5f88\u591a\u5e74\u4e86\uff0c\u517c\u5bb9\u6027\u8fd8\u662f\u76f8\u5f53OK\u7684\uff0c\u4ee5\u76ee\u524d\u7684AI\u80fd\u529b\uff0c\u6b64API\u4f7f\u7528\u662f\u6ca1\u6709\u4efb\u4f55\u56f0\u6270\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_175635.png\" width=\"575\" height=\"232\" alt=\"Web Locks API\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u9664\u4e86\u4e0a\u9762\u4ecb\u7ecd\u8fc7\u7684<code>request()<\/code>\u65b9\u6cd5\uff0c<code>navigator.locks<\/code>\u8fd8\u6709\u4e2a<code>query()<\/code>\u65b9\u6cd5\uff0c\u6b64\u65b9\u6cd5\u6267\u884c\u540e\u8fd4\u56de\u4e00\u4e2a\u4e2aPromise\uff0c\u8be5Promise\u89e3\u6790\u540e\u5f97\u5230\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u6709\u5173\u5df2\u6301\u6709\u9501\u548c\u6302\u8d77\u9501\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5177\u4f53\u6709\u54ea\u4e9b\u4fe1\u606f\uff0c\u4e0d\u5c55\u5f00\u4ecb\u7ecd\uff0c\u56e0\u4e3a\u6ca1\u6709\u610f\u4e49\uff0c\u6b63\u9047\u5230\u7c7b\u4f3c\u9700\u6c42\uff0c\u76f4\u63a5\u8ba9AI\u53bb\u8fd0\u884c\u4ee3\u7801\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5185\u5bb9\u5df2\u7ecf\u6bd4\u9884\u671f\u7684\u591a\u591a\u4e86\u3002<\/p>\n<p>\u5176\u5b9e\u6ca1\u5fc5\u8981\u626f\u90a3\u4e48\u591a\u4e1c\u897f\u7684\uff0c\u5982\u4ecaAI\u8fd9\u4e48\u5f3a\uff0c\u6280\u672f\u7ec6\u8282\u5e76\u6ca1\u6709\u90a3\u4e48\u91cd\u8981\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_181905.webp\" width=\"197\" height=\"177\" alt=\"\u4f60\u662f\u597d\u4eba\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12396\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12396<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202609\/2026-9-10_183514.webp\" width=\"160\" height=\"103\" alt=\"Web Locks API\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" 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