{"id":209503,"date":"2025-10-23T16:01:52","date_gmt":"2025-10-23T08:01:52","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209503\/"},"modified":"2025-10-23T16:01:53","modified_gmt":"2025-10-23T08:01:53","slug":"cdn-12","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209503\/","title":{"rendered":"CDN\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\u89e3\u6790\uff1a\u4e00\u81f4\u6027\u3001\u5237\u65b0\u673a\u5236\u4e0e\u5b9e\u6218\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u7684\u7f51\u7ad9\u67b6\u6784\u4e2d\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u7ecf\u6210\u4e3a\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3001\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u4ee5\u53ca\u4fdd\u8bc1\u9ad8\u53ef\u7528\u6027\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u4f46\u968f\u7740\u5185\u5bb9\u52a8\u6001\u5316\u548c\u6cd5\u5f8b\u5408\u89c4\u8981\u6c42\u7684\u589e\u52a0\uff0c\u5982\u4f55<strong>\u4fdd\u8bc1\u7f13\u5b58\u4e00\u81f4\u6027\u3001\u5feb\u901f\u5237\u65b0\u8fc7\u671f\u5185\u5bb9\u5e76\u517c\u987e\u6027\u80fd\u4e0e\u6210\u672c<\/strong>\uff0c\u53d8\u6210\u4e86\u8fd0\u7ef4\u4e0e\u5f00\u53d1\u5fc5\u987b\u9762\u5bf9\u7684\u6311\u6218\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u89e3\u6790CDN\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\uff0c\u4ece\u539f\u7406\u5230\u5b9e\u6218\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u5bf9\u4e0d\u540c\u5730\u533a\u4e0e\u90e8\u7f72\u5f62\u6001\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7b49\uff09\u63d0\u51fa\u53ef\u6267\u884c\u5efa\u8bae\u3002<\/p>\n<h2>\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u5728\u8ba8\u8bba\u7b56\u7565\u524d\uff0c\u9700\u660e\u786e\u51e0\u4e2a\u6982\u5ff5\uff1a<\/p>\n<ul>\n<li><strong>\u6743\u5a01\u6e90\uff08Origin\uff09<\/strong>\uff1a\u5185\u5bb9\u7684\u539f\u59cb\u6258\u7ba1\u4f4d\u7f6e\uff0c\u901a\u5e38\u662f\u6e90\u7ad9\u670d\u52a1\u5668\u6216S3\u7c7b\u5bf9\u8c61\u5b58\u50a8\u3002<\/li>\n<li><strong>\u8fb9\u7f18\u8282\u70b9\uff08Edge\uff09<\/strong>\uff1aCDN\u5728\u5168\u7403\u5206\u5e03\u7684\u7f13\u5b58\u8282\u70b9\uff0c\u8d1f\u8d23\u54cd\u5e94\u7528\u6237\u8bf7\u6c42\u3002<\/li>\n<li><strong>TTL\uff08Time 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Keys<\/strong>\uff1a\u4e3a\u8d44\u6e90\u6253\u6807\u7b7e\uff0c\u652f\u6301\u6309\u6807\u7b7e\u6279\u91cf\u6e05\u9664\uff0c\u4fbf\u4e8e\u590d\u6742\u9875\u9762\u7ec4\u4ef6\u7684\u5c40\u90e8\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h2>\u5237\u65b0\u673a\u5236\u7ec6\u8282\u4e0e\u5b9e\u73b0\u7b56\u7565<\/h2>\n<p>\u5237\u65b0\uff08refresh\uff09\u4e0e\u6e05\u9664\uff08purge\uff09\u7ecf\u5e38\u88ab\u6df7\u7528\uff0c\u5b9e\u9645\u5e94\u533a\u5206\uff1a<\/p>\n<ul>\n<li><strong>Purge\/Invalidate<\/strong>\uff1a\u7acb\u5373\u5220\u9664\u8fb9\u7f18\u7f13\u5b58\u6761\u76ee\uff0c\u4e0b\u4e00\u6b21\u8bf7\u6c42\u89e6\u53d1\u56de\u6e90\u62c9\u53d6\u3002<\/li>\n<li><strong>Refresh\uff08Revalidate\uff09<\/strong>\uff1a\u8be2\u95ee\u6e90\u7ad9\u786e\u8ba4\u8d44\u6e90\u662f\u5426\u53d8\u66f4\uff0c\u4f7f\u7528 If-Modified-Since \/ ETag 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limits\uff09\uff0c\u5e76\u91c7\u7528\u961f\u5217\u6216\u9000\u907f\u91cd\u8bd5\u673a\u5236\u3002<\/li>\n<li>\u6309\u8def\u5f84\u6216\u6309\u6b63\u5219\u6e05\u9664\u8981\u8c28\u614e\uff0c\u9519\u8bef\u89c4\u5219\u53ef\u80fd\u5bfc\u81f4\u5927\u91cf\u7f13\u5b58\u5931\u6548\u5e76\u77ac\u65f6\u56de\u6e90\u538b\u529b\u6fc0\u589e\u3002<\/li>\n<li>\u5728\u9ad8\u6d41\u91cf\u7ad9\u70b9\uff0c\u91c7\u7528\u5206\u6279\u6b21\u6e05\u9664\u5e76\u7ed3\u5408\u6d41\u91cf\u4f4e\u5cf0\u6267\u884c\uff0c\u907f\u514d\u51b2\u51fb\u6e90\u7ad9\u3002<\/li>\n<\/ul>\n<h3>\u7248\u672c\u5316\u4e0e\u6784\u5efa\u6d41\u7a0b\u96c6\u6210<\/h3>\n<p>\u5bf9\u9759\u6001\u8d44\u6e90\uff0c\u6700\u4f73\u5b9e\u8df5\u662f\u628a\u7248\u672c\u53f7\u6216\u5185\u5bb9\u54c8\u5e0c\u5d4c\u5165\u6587\u4ef6\u540d\uff08\u5982 app.abcdef.js\uff09\u3002\u96c6\u6210\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u6784\u5efa\u5de5\u5177\uff08Webpack\u3001Parcel\uff09\u8f93\u51fa\u5e26\u54c8\u5e0c\u7684\u6587\u4ef6\u5e76\u66f4\u65b0\u5f15\u7528\u3002<\/li>\n<li>CDN\u53ef\u4ee5\u957f\u671f\u7f13\u5b58\u5e26\u54c8\u5e0c\u7684\u8d44\u6e90\uff08Cache-Control: max-age=31536000\uff09\uff0c\u65e0\u9700\u9891\u7e41\u6e05\u9664\u3002<\/li>\n<li>\u5bf9\u4e8eHTML\u9875\u9762\u91c7\u7528\u77edTTL\u6216edge-side includes\uff08ESI\uff09\u7ec4\u5408\u9759\u6001\u4e0e\u52a8\u6001\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u7b56\u7565\u9009\u62e9<\/h2>\n<h3>\u9759\u6001\u8d44\u6e90\u5206\u53d1\uff08JS\/CSS\/\u56fe\u7247\uff09<\/h3>\n<p>\u5efa\u8bae\u91c7\u7528<strong>\u957f\u671f\u7f13\u5b58 + 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\u5728\u5ba2\u6237\u7aef\u505a\u5b9e\u65f6\u8865\u507f\u5c55\u793a\uff0c\u51cf\u5c11\u5bf9\u5f3a\u4e00\u81f4\u6027\u7f13\u5b58\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<h2>\u6e05\u9664\u7b56\u7565\u5bf9\u6bd4\uff1a\u6027\u80fd\u4e0e\u6210\u672c\u6743\u8861<\/h2>\n<p>\u9009\u62e9\u5408\u9002\u7684\u7b56\u7565\u9700\u8981\u5728\u4e00\u81f4\u6027\u3001\u6027\u80fd\u4e0e\u6210\u672c\u4e4b\u95f4\u6743\u8861\uff1a<\/p>\n<ul>\n<li><strong>\u957fTTL + \u7248\u672c\u5316<\/strong>\uff1a\u4e00\u81f4\u6027\u5ef6\u8fdf\u53ef\u63a7\u3001\u8fb9\u7f18\u547d\u4e2d\u7387\u9ad8\u3001\u6210\u672c\u6700\u4f4e\uff0c\u4f46\u9700\u6784\u5efa\u6d41\u7a0b\u652f\u6301\u3002<\/li>\n<li><strong>\u77edTTL\/\u5f3a\u5236\u56de\u6e90<\/strong>\uff1a\u4e00\u81f4\u6027\u597d\u4f46\u4f1a\u589e\u52a0\u6e90\u7ad9\u8d1f\u8f7d\u548c\u5e26\u5bbd\u6210\u672c\u3002<\/li>\n<li><strong>\u4e3b\u52a8Purge<\/strong>\uff1a\u7075\u6d3b\u4f46\u6709API\u9650\u5236\u4e0e\u4f20\u64ad\u5ef6\u8fdf\uff0c\u53ef\u80fd\u77ed\u65f6\u95f4\u5185\u9020\u6210\u56de\u6e90\u98ce\u66b4\u3002<\/li>\n<li><strong>Soft Purge \/ Stale-while-revalidate<\/strong>\uff1a\u517c\u987e\u53ef\u7528\u6027\u4e0e\u4e00\u81f4\u6027\uff0c\u9002\u5408\u5927\u89c4\u6a21\u5206\u53d1\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<h2>\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u7684\u534f\u540c\u4f18\u5316<\/h2>\n<p>\u826f\u597d\u7684\u8fb9\u7f18-\u6e90\u7ad9\u534f\u540c\u80fd\u663e\u8457\u63d0\u5347\u5237\u65b0\u6548\u7387\uff1a<\/p>\n<ul>\n<li>\u6e90\u7ad9\u5e94\u652f\u6301\u6761\u4ef6\u8bf7\u6c42\uff08ETag\u3001If-Modified-Since\uff09\u4ee5\u51cf\u5c11\u5e26\u5bbd\u3002<\/li>\n<li>\u63d0\u4f9b\u53d8\u66f4\u901a\u77e5\u63a5\u53e3\uff08Webhook\uff09\uff0c\u5728\u5185\u5bb9\u53d8\u66f4\u65f6\u4e3b\u52a8\u89e6\u53d1CDN\u6e05\u9664\u6216\u7248\u672c\u66f4\u65b0\u3002<\/li>\n<li>\u76d1\u63a7\u4e0e\u9650\u6d41\uff1a\u5f53\u6279\u91cf\u6e05\u9664\u89e6\u53d1\u65f6\u901a\u8fc7\u9650\u6d41\u4fdd\u62a4\u6e90\u7ad9\uff0c\u5e76\u4f7f\u7528\u7194\u65ad\/\u9000\u907f\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u5206\u533a\u7f13\u5b58\u4e0e\u5730\u57df\u7b56\u7565<\/h3>\n<p>\u5c06CDN\u7f13\u5b58\u7b56\u7565\u4e0e\u5730\u57df\u7279\u6027\u7ed3\u5408\uff1a<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u9762\u5411\u9999\u6e2f\u4e0e\u5468\u8fb9\u7528\u6237\u7684\u670d\u52a1\uff0c\u4f18\u5148\u4f7f\u7528\u9999\u6e2f\u8282\u70b9\u4e0e\u9999\u6e2f\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS\uff0c\u51cf\u5c0f\u7f51\u7edc\u6296\u52a8\u3002<\/li>\n<li>\u5168\u7403\u5206\u53d1\u65f6\u9009\u62e9\u8de8\u6d32\u8282\u70b9\uff08\u7f8e\u56fd\u670d\u52a1\u5668\u914d\u5408\u7f8e\u6d32\u8fb9\u7f18\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\uff09\u4ee5\u5c31\u8fd1\u547d\u4e2d\u5e76\u964d\u4f4e\u8de8\u5883\u56de\u6e90\u3002<\/li>\n<li>\u9488\u5bf9\u5408\u89c4\u6216\u6cd5\u5f8b\u9650\u5236\uff0c\u786e\u4fdd\u67d0\u4e9b\u8d44\u6e90\u4ec5\u5728\u7279\u5b9a\u5730\u57df\u7f13\u5b58\u6216\u56de\u6e90\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u6700\u4f73\u5b9e\u8df5\u6e05\u5355<\/h2>\n<ul>\n<li><strong>\u5206\u5c42\u7f13\u5b58\u7b56\u7565<\/strong>\uff1a\u9759\u6001\u8d44\u6e90\u957f\u671f\u7f13\u5b58+\u7248\u672c\u5316\uff1b\u52a8\u6001\u5185\u5bb9\u77edTTL\u6216\u7247\u6bb5\u5316\u7f13\u5b58\u3002<\/li>\n<li><strong>\u4f18\u5148\u4f7f\u7528\u7248\u672c\u5316\u907f\u514d\u9891\u7e41Purge<\/strong>\uff1a\u5c24\u5176\u662f\u56fe\u7247\u3001\u811a\u672c\u3001\u6837\u5f0f\u3002<\/li>\n<li><strong>\u4f7f\u7528Surrogate Keys\u6216\u6807\u7b7e\u5316\u6e05\u9664<\/strong>\uff1a\u4fbf\u4e8e\u6309\u4e1a\u52a1\u7ef4\u5ea6\uff08\u5982\u7528\u6237\u7ec4\u3001\u6587\u7ae0ID\uff09\u6279\u91cf\u5931\u6548\u3002<\/li>\n<li><strong>\u5b9e\u73b0Soft Purge\u548cStale-While-Revalidate<\/strong>\uff1a\u5728\u4fdd\u8bc1\u53ef\u7528\u6027\u540c\u65f6\u540e\u53f0\u66f4\u65b0\u5185\u5bb9\u3002<\/li>\n<li><strong>\u5728CI\/CD\u4e2d\u96c6\u6210\u6e05\u9664\u6216\u7248\u672c\u66f4\u65b0<\/strong>\uff1a\u53d1\u5e03\u6d41\u7a0b\u7ed3\u675f\u540e\u81ea\u52a8\u89e6\u53d1\u5fc5\u8981\u7684\u7f13\u5b58\u5931\u6548\u6216\u66f4\u65b0\u5f15\u7528\u3002<\/li>\n<li><strong>\u5efa\u7acb\u56de\u6e90\u4fdd\u62a4\u673a\u5236<\/strong>\uff1a\u6e05\u9664\u8282\u6d41\u3001\u56de\u6e90\u9650\u6d41\u4e0e\u7f13\u5b58\u9884\u70ed\uff08warming\uff09\u76f8\u7ed3\u5408\uff0c\u907f\u514d\u201c\u7f13\u5b58\u7a7f\u900f\u201d\u6216\u201c\u96ea\u5d29\u201d\u3002<\/li>\n<li>\u5bf9\u5168\u7403\u7528\u6237\u91c7\u96c6\u8bbf\u95ee\u65e5\u5fd7\u4e0e\u547d\u4e2d\u7387\u6307\u6807\uff0c\u5b9a\u671f\u8c03\u4f18TTL\u4e0e\u5206\u533a\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae<\/h2>\n<p>\u5728\u9009\u62e9CDN\u4e0e\u540e\u7aef\u8d44\u6e90\u65f6\uff0c\u5e94\u7efc\u5408\u8003\u8651\u5730\u57df\u8986\u76d6\u3001\u6e05\u9664\u80fd\u529b\u3001API\u9650\u6d41\u3001\u8d39\u7528\u4e0e\u6280\u672f\u652f\u6301\uff1a<\/p>\n<ul>\n<li>\u82e5\u4e3b\u8981\u7528\u6237\u5728\u9999\u6e2f\u53ca\u4e1c\u5357\u4e9a\uff0c\u4f18\u5148\u9009\u62e9\u5728\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u9996\u5c14\u3001\u65b0\u52a0\u5761\u6709\u4e30\u5bcc\u8282\u70b9\u4e0e\u53ef\u7528\u6027\u7684\u63d0\u4f9b\u5546\uff0c\u5e76\u7ed3\u5408<span class=\"keyword\">\u9999\u6e2f\u670d\u52a1\u5668<\/span>\u6216<span class=\"keyword\">\u9999\u6e2fVPS<\/span>\u4f5c\u4e3a\u6e90\u7ad9\u3002<\/li>\n<li>\u9762\u5411\u7f8e\u6d32\u7684\u4e1a\u52a1\u5efa\u8bae\u8bc4\u4f30\u5728\u7f8e\u6d32\u5730\u7406\u5206\u5e03\u826f\u597d\u7684CDN\u548c<span class=\"keyword\">\u7f8e\u56fd\u670d\u52a1\u5668<\/span>\u6216<span class=\"keyword\">\u7f8e\u56fdVPS<\/span>\u3002<\/li>\n<li>\u8de8\u56fd\u516c\u53f8\u9700\u5173\u6ce8\u8de8\u5883\u4f20\u8f93\u6210\u672c\u4e0e\u5408\u89c4\u6027\uff08\u5982\u6570\u636e\u4e3b\u6743\uff09\uff0c\u5e76\u8003\u8651\u5728\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7b49\u5730\u533a\u505a\u672c\u5730\u5316\u7f13\u5b58\u6216\u955c\u50cf\u3002<\/li>\n<li>\u5173\u6ce8CDN\u662f\u5426\u652f\u6301\u7ec6\u7c92\u5ea6\u7684API\u6e05\u9664\u3001surrogate keys\u3001signed URLs\/ cookies \u4e0e\u65e5\u5fd7\u5bfc\u51fa\uff0c\u4ee5\u4fbf\u505a\u81ea\u52a8\u5316\u8fd0\u7ef4\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>CDN\u7f13\u5b58\u66f4\u65b0\u662f\u4e00\u95e8\u5728\u4e00\u81f4\u6027\u3001\u6027\u80fd\u4e0e\u6210\u672c\u4e4b\u95f4\u4e0d\u65ad\u6743\u8861\u7684\u5de5\u7a0b\u5b66\u95ee\u3002\u5bf9\u4e8e\u7edd\u5927\u591a\u6570\u7ad9\u70b9\uff0c\u91c7\u7528<strong>\u957f\u671f\u7f13\u5b58+\u7248\u672c\u5316<\/strong>\u5904\u7406\u9759\u6001\u8d44\u6e90\u3001<strong>\u77edTTL\u6216\u7247\u6bb5\u5316\u7f13\u5b58<\/strong>\u5904\u7406\u52a8\u6001\u5185\u5bb9\uff0c\u5e76\u7ed3\u5408<strong>soft purge\u3001surrogate keys\u3001\u6761\u4ef6\u8bf7\u6c42<\/strong>\u7b49\u6280\u672f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u547d\u4e2d\u7387\u4e0e\u53ef\u63a7\u7684\u4e00\u81f4\u6027\u3002\u6b64\u5916\uff0c\u7ed3\u5408\u5408\u9002\u7684\u6e90\u7ad9\u90e8\u7f72\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u7b49\uff09\u4e0e\u533a\u57df\u5316\u8282\u70b9\uff08\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u5e03\u5c40\uff0c\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u8bc4\u4f30\u670d\u52a1\u5668\u6216\u90e8\u7f72\u6e90\u7ad9\u4ee5\u914d\u5408CDN\u7b56\u7565\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684\u4ea7\u54c1\u4e0e\u670d\u52a1\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002\u66f4\u591a\u4fe1\u606f\u8bf7\u8bbf\u95ee Server.HK\uff08<a href=\"https:\/\/server.hk\/\">https:\/\/server.hk\/<\/a>\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5168\u7403\u5316\u90e8\u7f72\u548c\u52a8\u6001\u5185\u5bb9\u73af\u5883\u4e0b\uff0c\u638c\u63e1CDN\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\uff0c\u80fd\u5e2e\u52a9\u4f60\u5728\u4fdd\u8bc1\u7f13\u5b58\u4e00\u81f4\u6027\u540c\u65f6\u5b9e\u73b0\u5feb\u901f\u5237\u65b0\u3001\u63a7\u5236\u6210\u672c\u5e76\u663e\u8457\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u89e3\u6790\u539f\u7406\u4e0e\u5237\u65b0\u673a\u5236\uff0c\u5e76\u63d0\u4f9b\u9002\u914d\u5404\u5730\u533a\u4e0e\u4e0d\u540c\u670d\u52a1\u5668\/VPS 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