{"id":30761,"date":"2026-04-29T10:00:00","date_gmt":"2026-04-29T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=30761"},"modified":"2026-05-16T23:36:35","modified_gmt":"2026-05-16T15:36:35","slug":"cloudflare-workers-edge-computing-practical","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/cdn\/cloudflare-workers-edge-computing-practical\/","title":{"rendered":"Cloudflare Workers \u8fb9\u7f18\u8ba1\u7b97\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Cloudflare Workers \u8fb9\u7f18\u8ba1\u7b97\u914d\u7f6e\u6307\u5357\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/05\/cloudflare-workers-edge-computing-practical-cover.webp\" \/><\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u5728\u8bf7\u6c42\u5230\u8fbe\u6e90\u7ad9\u524d\u5b8c\u6210 A\/B \u8def\u7531\u3001Header \u6539\u5199\u3001\u5730\u533a\u8df3\u8f6c\u6216\u8f7b\u91cf API\uff0cCloudflare Workers \u8fb9\u7f18\u8ba1\u7b97\u662f\u6027\u4ef7\u6bd4\u6700\u9ad8\u7684\u65b9\u6848\u4e4b\u4e00\u3002\u5b83\u628a JavaScript \u6216 TypeScript \u51fd\u6570\u90e8\u7f72\u5230\u5168\u7403 300 \u591a\u4e2a\u8fb9\u7f18\u8282\u70b9\uff0c\u51b7\u542f\u52a8\u901a\u5e38\u4f4e\u4e8e 5 \u6beb\u79d2\uff0c\u514d\u8d39\u65b9\u6848\u6bcf\u5929\u63d0\u4f9b 10 \u4e07\u6b21\u8bf7\u6c42\u3002\u672c\u6587\u5c06\u6559\u4f60\u5982\u4f55\u4ece\u96f6\u642d\u5efa\u4e00\u4e2a Workers \u9879\u76ee\uff0c\u8986\u76d6\u8def\u7531\u6539\u5199\u3001KV \u5b58\u50a8\u3001\u5b9a\u65f6\u4efb\u52a1\u4e0e R2 \u56de\u6e90\u56db\u4e2a\u5e38\u89c1\u573a\u666f\uff0c\u5e76\u89e3\u51b3&#8221;\u672c\u5730\u80fd\u8dd1\u3001\u4e0a\u7ebf\u5c31 503&#8243;\u8fd9\u7c7b\u9ad8\u9891\u95ee\u9898\u3002<\/p>\n<h2>\u4e00\u3001Cloudflare Workers \u7684\u80fd\u529b\u8fb9\u754c<\/h2>\n<p>Workers \u8fd0\u884c\u5728 V8 \u9694\u79bb\u73af\u5883\uff08Isolates\uff09\u4e2d\u800c\u975e\u5bb9\u5668\u4e2d\uff0c\u542f\u52a8\u5feb\u3001\u5185\u5b58\u4e0a\u9650\u4e25\u683c\u3002\u514d\u8d39\u65b9\u6848\u7684\u5173\u952e\u9650\u5236\uff1aCPU \u65f6\u95f4\u6700\u591a 10 \u6beb\u79d2\u3001\u5185\u5b58 128 MB\u3001\u8bf7\u6c42\u4f53\u4e0a\u9650 100 MB\u3002Paid \u65b9\u6848\u653e\u5bbd CPU \u81f3 50 \u6beb\u79d2\u5e76\u53ef\u914d\u7f6e Unbound \u6a21\u5f0f\u4e0a\u9650 30 \u79d2\u3002\u5224\u65ad\u4f60\u7684\u903b\u8f91\u662f\u5426\u9002\u5408\u653e\u5230 Workers\uff0c\u53ef\u53c2\u8003\u4e09\u70b9\uff1a\u5ef6\u8fdf\u654f\u611f\uff08\u9274\u6743\u3001\u7b7e\u540d\u6821\u9a8c\u3001\u5730\u533a\u8df3\u8f6c\uff09\u3001\u903b\u8f91\u8f7b\u91cf\uff08\u5355\u6b21\u8bf7\u6c42 CPU \u5728\u6beb\u79d2\u7ea7\u3001\u4e0d\u4f9d\u8d56\u5927\u578b\u5e93\uff09\u3001\u72b6\u6001\u53ef\u5916\u7f6e\uff08KV\u3001Durable Objects \u6216\u5916\u90e8\u6570\u636e\u5e93\uff09\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u6e90\u7ad9\u5728\u6d77\u5916\u3001\u9762\u5411\u4e2d\u56fd\u5927\u9646\u7528\u6237\uff0cWorkers \u9002\u5408\u505a\u9759\u6001\u8d44\u6e90\u7b7e\u540d\u4e0e\u7f13\u5b58\u63a7\u5236\uff0c\u4f46\u56de\u6e90\u4ecd\u4f9d\u8d56\u4e3b\u673a\u7ebf\u8def\u3002\u6e90\u7ad9\u9009\u578b\u53ef\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-hk-hosting-guide\/\">WordPress \u9999\u6e2f\u4e3b\u673a\u9009\u8d2d\u6307\u5357<\/a> \u4e0e <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/cloud-server-buying-guide\/\">\u4e91\u670d\u52a1\u5668\u9009\u8d2d\u6307\u5357<\/a>\uff0c\u8de8\u5883\u94fe\u8def\uff08Cross-Border\uff0c\u8de8\u8d8a\u56fd\u754c\u7684\u7f51\u7edc\u901a\u4fe1\uff09\u7684\u4f18\u5316\u903b\u8f91\u540c\u6837\u9002\u7528\u4e8e Workers \u56de\u6e90\u3002<\/p>\n<h2>\u4e8c\u3001\u672c\u5730\u5f00\u53d1\u4e0e\u9996\u6b21\u90e8\u7f72<\/h2>\n<p>Cloudflare \u63d0\u4f9b <code>wrangler<\/code> CLI \u5b8c\u6210\u9879\u76ee\u811a\u624b\u67b6\u3001\u8c03\u8bd5\u4e0e\u90e8\u7f72\u3002<code>npm install -g wrangler@latest<\/code> \u88c5\u597d\u540e\uff0c\u4f9d\u6b21\u6267\u884c <code>wrangler login<\/code>\u3001<code>wrangler init my-edge-worker<\/code> \u5373\u53ef\u521d\u59cb\u5316\u9879\u76ee\uff0c\u4f1a\u751f\u6210 <code>wrangler.toml<\/code> \u4e0e <code>src\/index.ts<\/code>\u3002<code>wrangler.toml<\/code> \u662f\u90e8\u7f72\u6e05\u5355\uff0c\u5173\u952e\u5b57\u6bb5\u5305\u62ec <code>name<\/code>\u3001<code>main<\/code>\u3001<code>compatibility_date<\/code>\u3001<code>workers_dev<\/code>\u3001\u4ee5\u53ca KV\/R2 \u7b49\u7ed1\u5b9a\u5217\u8868\u3002<code>compatibility_date<\/code> \u51b3\u5b9a\u8fd0\u884c\u65f6\u884c\u4e3a\uff0c\u5efa\u8bae\u6bcf 3 \u4e2a\u6708\u66f4\u65b0\u4e00\u6b21\u3002\u672c\u5730\u8c03\u8bd5\u7528 <code>wrangler dev<\/code>\uff0c\u7aef\u53e3\u9ed8\u8ba4 8787\uff0c\u4f46\u8981\u6ce8\u610f\uff1a\u672c\u5730\u9ed8\u8ba4 <code>--remote=false<\/code>\uff0c\u8fde\u63a5 KV \u65f6\u4e0d\u4f1a\u8bfb\u771f\u5b9e\u751f\u4ea7\u6570\u636e\uff1b\u5982\u9700\u8bfb\u771f\u5b9e KV\uff0c\u52a0 <code>--remote<\/code> \u53c2\u6570\u3002<code>wrangler deploy<\/code> \u5b8c\u6210\u9996\u6b21\u90e8\u7f72\u540e\u4f1a\u8fd4\u56de workers.dev \u5b50\u57df\u540d\uff0c\u7ed1\u5b9a\u5230\u81ea\u5b9a\u4e49\u57df\u540d\u8981\u8fdb\u5165\u63a7\u5236\u53f0 Workers Routes \u6dfb\u52a0\u8def\u7531\u5e76\u9009\u62e9\u5bf9\u5e94\u7684 Zone\u3002<\/p>\n<h2>\u4e09\u3001\u8def\u7531\u6539\u5199\u4e0e Header \u6ce8\u5165<\/h2>\n<p>\u6700\u5e38\u89c1\u7684\u573a\u666f\u662f\u628a\u8bf7\u6c42\u6309\u5730\u533a\u6216\u8def\u5f84\u5206\u6d41\u5230\u4e0d\u540c\u6e90\u7ad9\u3002\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-typescript\">export default {\n  async fetch(request: Request, env: Env): Promise&lt;Response&gt; {\n    const country = request.headers.get(&quot;cf-ipcountry&quot;) || &quot;XX&quot;;\n    const url = new URL(request.url);\n\n    if (country === &quot;CN&quot; &amp;&amp; url.pathname.startsWith(&quot;\/api\/&quot;)) {\n      url.hostname = &quot;origin-cn.example.com&quot;;\n    } else {\n      url.hostname = &quot;origin-global.example.com&quot;;\n    }\n\n    const upstream = await fetch(url.toString(), {\n      method: request.method,\n      headers: request.headers,\n      body: request.body,\n    });\n\n    const response = new Response(upstream.body, upstream);\n    response.headers.set(&quot;x-edge-region&quot;, country);\n    return response;\n  },\n};\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5b8c\u6210\u4e86\u4e09\u4ef6\u4e8b\uff1a\u57fa\u4e8e <code>cf-ipcountry<\/code> \u5934\u8fdb\u884c\u5730\u533a\u5224\u65ad\u3001\u66ff\u6362\u4e0a\u6e38\u4e3b\u673a\u540d\u3001\u6ce8\u5165\u81ea\u5b9a\u4e49\u54cd\u5e94\u5934\u3002<code>cf-ipcountry<\/code> \u662f Cloudflare \u81ea\u52a8\u6ce8\u5165\u7684\u4e24\u5b57\u6bcd ISO \u4ee3\u7801\uff0c\u514d\u8d39\u65b9\u6848\u53ef\u7528\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u5f53 Workers \u4e0e Pages \u540c\u57df\u90e8\u7f72\u65f6\uff0cWorkers \u8def\u7531\u4f18\u5148\u7ea7\u9ad8\u4e8e Pages \u51fd\u6570\uff0c\u8c03\u8bd5\u65f6\u52a1\u5fc5\u770b\u6e05\u5f53\u524d\u8bf7\u6c42\u88ab\u54ea\u4e00\u5c42\u63a5\u7ba1\u3002<\/p>\n<h2>\u56db\u3001KV \u5b58\u50a8\u4e0e\u5b9a\u65f6\u4efb\u52a1<\/h2>\n<p>Workers KV \u662f\u8fb9\u7f18\u952e\u503c\u5b58\u50a8\uff0c\u8bfb\u5ef6\u8fdf\u7ea6 50 \u6beb\u79d2\u3001\u5199\u4e00\u81f4\u6027\u4e3a\u6700\u7ec8\u4e00\u81f4\uff08\u7ea6 60 \u79d2\u540c\u6b65\u5230\u6240\u6709\u8282\u70b9\uff09\u3002\u9002\u5408\u505a\u914d\u7f6e\u5f00\u5173\u3001\u5730\u533a\u6620\u5c04\u3001\u9650\u6d41\u8ba1\u6570\u7b49\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f\uff0c\u4e0d\u9002\u5408\u505a\u5b9e\u65f6\u8ba1\u6570\u5668\uff08\u5f3a\u4e00\u81f4\u7528 Durable Objects\uff09\u3002<\/p>\n<p>\u8bfb\u5199\u793a\u4f8b\uff1a\u7528 <code>await env.MY_KV.get(\"config:routing\", \"json\")<\/code> \u8bfb\u53d6\uff0c\u672a\u547d\u4e2d\u5219 <code>await env.MY_KV.put(..., { expirationTtl: 600 })<\/code> \u5199\u5165\u3002\u5b9a\u65f6\u4efb\u52a1\u901a\u8fc7 Cron Triggers \u914d\u7f6e\uff1a\u5728 <code>wrangler.toml<\/code> \u52a0 <code>[triggers]\\ncrons = [\"*\/5 * * * *\"]<\/code>\uff0c\u5e76\u5728 <code>src\/index.ts<\/code> \u66b4\u9732 <code>scheduled<\/code> \u5165\u53e3\uff0c\u7528 <code>ctx.waitUntil(refreshConfig(env))<\/code> \u786e\u4fdd\u5f02\u6b65\u4efb\u52a1\u5b8c\u6210\u624d\u7ed3\u675f Worker \u8c03\u7528\uff0c\u5426\u5219\u4efb\u52a1\u53ef\u80fd\u88ab\u4e2d\u65ad\u3002\u5e38\u89c1\u7528\u9014\u5305\u62ec\u9884\u70ed KV \u7f13\u5b58\u3001\u5b9a\u671f\u6e05\u7406\u8fc7\u671f\u952e\u3001\u5411\u76d1\u63a7\u5e73\u53f0\u63a8\u9001\u6307\u6807\u3002<\/p>\n<h2>\u4e94\u3001\u56de\u6e90\u7f13\u5b58\u63a7\u5236\u4e0e R2 \u96c6\u6210<\/h2>\n<p>\u5bf9\u9759\u6001\u8d44\u6e90\u52a0\u901f\u573a\u666f\uff0c\u53ef\u8ba9 Workers \u5728 R2 \u547d\u4e2d\u540e\u76f4\u63a5\u8fd4\u56de\uff0c\u672a\u547d\u4e2d\u518d\u56de\u6e90\u5e76\u5199\u7f13\u5b58\u3002R2 \u662f Cloudflare \u7684 S3 \u517c\u5bb9\u5bf9\u8c61\u5b58\u50a8\uff0c\u514d\u8d39\u65b9\u6848\u63d0\u4f9b 10 GB \u5b58\u50a8\u548c 100 \u4e07\u6b21 A \u7c7b\u64cd\u4f5c\u6bcf\u6708\uff0c\u4e14<strong>\u6ca1\u6709\u51fa\u7ad9\u6d41\u91cf\u8d39\u7528<\/strong>\uff0c\u5bf9\u8fb9\u7f18\u4e0b\u53d1\u56fe\u7247\u3001\u5b57\u4f53\u3001\u89c6\u9891\u7247\u6bb5\u5c24\u5176\u5408\u7b97\u3002<\/p>\n<p>\u52a1\u5fc5\u628a\u56de\u6e90\u54cd\u5e94\u5934\u4e2d\u7684\u7f13\u5b58\u7b56\u7565\u5355\u72ec\u63a7\u5236\uff0c\u4e0d\u8981\u900f\u4f20\u6e90\u7ad9\u7684\u77ed TTL \u5bfc\u81f4\u9891\u7e41\u56de\u6e90\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u53cd\u4f8b\u662f\u6e90\u7ad9\u4f7f\u7528 WordPress \u9ed8\u8ba4\u8bbe\u7f6e\u8fd4\u56de <code>no-cache<\/code>\uff0cWorkers \u76f4\u63a5\u7167\u642c\u8fd9\u4e2a\u5934\uff0c\u7ed3\u679c\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4f1a\u91cd\u65b0\u5230 R2 \u8bfb\u4e00\u6b21\u518d\u5230\u6e90\u7ad9\u9a8c\u8bc1\u4e00\u6b21\uff0c\u53cd\u800c\u6bd4\u76f4\u63a5\u56de\u6e90\u66f4\u6162\u3002\u6b63\u786e\u505a\u6cd5\u662f Worker \u81ea\u5df1\u6839\u636e\u8d44\u6e90\u7c7b\u578b\u91cd\u5199\u54cd\u5e94\u5934\uff0c\u8ba9\u6d4f\u89c8\u5668\u81f3\u5c11\u7f13\u5b58\u51e0\u5206\u949f\u5230\u51e0\u5c0f\u65f6\uff0c\u518d\u8ba9 Workers \u81ea\u5df1\u51b3\u5b9a\u4f55\u65f6\u56de\u6e90\u62c9\u65b0\u7248\u672c\u3002<\/p>\n<p>\u5982\u679c\u6e90\u7ad9\u672c\u8eab\u5df2\u5728\u52a0\u901f\u94fe\u8def\u4e0a\uff0c\u53ef\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/wordpress-w3-total-cache-tuning\/\">WordPress W3 Total Cache \u8c03\u4f18\u5b9e\u6218<\/a> \u4e2d\u5173\u4e8e\u6d4f\u89c8\u5668\u7f13\u5b58\u4e0e\u8fb9\u7f18\u7f13\u5b58\u534f\u4f5c\u7684\u90e8\u5206\uff0c\u628a\u672c\u5730\u63d2\u4ef6\u8bbe\u7f6e\u4e0e Worker 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\u6536\u76ca\u6700\u5927\uff1b\u767b\u5f55\u9875\u3001\u4e2a\u4eba\u4e2d\u5fc3\u8fd9\u7c7b\u9ad8\u5ea6\u4e2a\u6027\u5316\u7684\u9875\u9762\u5219\u4e0d\u9002\u5408\u8d70 R2 \u7f13\u5b58\u5c42\u3002<\/p>\n<h2>\u516d\u3001\u8c03\u8bd5\u4e0e\u6392\u969c\u6e05\u5355<\/h2>\n<p>\u6392\u67e5 Workers \u5f02\u5e38\u65f6\u6309\u4e0b\u9762\u987a\u5e8f\u68c0\u67e5\u4f1a\u66f4\u5feb\uff1a<\/p>\n<ul>\n<li>\u7528 <code>wrangler tail<\/code> \u5728\u7ebf\u67e5\u770b\u5b9e\u65f6\u65e5\u5fd7\uff0c\u914d\u5408 <code>console.log<\/code> \u8f93\u51fa\u5173\u952e\u8def\u5f84\uff1b\u514d\u8d39\u65b9\u6848 tail \u4f1a\u8bdd\u6700\u591a 100 \u6761\/\u79d2\u3002<\/li>\n<li>CPU \u65f6\u95f4\u8d85\u9650\u4f1a\u8fd4\u56de 1102 \u9519\u8bef\u7801\uff0c\u5148\u68c0\u67e5\u662f\u5426\u5728\u5faa\u73af\u4e2d\u505a\u4e86\u540c\u6b65\u5e8f\u5217\u5316\u5927\u5bf9\u8c61\u3002<\/li>\n<li>KV \u5199\u5931\u8d25\u5e38\u89c1\u539f\u56e0\u662f\u5355 key \u5927\u5c0f\u8d85\u8fc7 25 MB \u6216 value 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