{"id":1804,"date":"2021-10-12T11:35:57","date_gmt":"2021-10-12T03:35:57","guid":{"rendered":"http:\/\/cn.hostease.com\/blog\/?p=1804"},"modified":"2021-10-12T11:35:57","modified_gmt":"2021-10-12T03:35:57","slug":"cdn%e7%bc%93%e5%ad%98%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86%e4%bb%a5%e5%8f%8a%e6%9d%a1%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/news\/cdn%e7%bc%93%e5%ad%98%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86%e4%bb%a5%e5%8f%8a%e6%9d%a1%e4%bb%b6\/","title":{"rendered":"CDN\u7f13\u5b58\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u6761\u4ef6"},"content":{"rendered":"<p>\u7f13\u5b58\u662f\u5185\u5bb9\u4ea4\u4ed8\u7f51\u7edc(CDN) \u670d\u52a1\u7684\u6838\u5fc3\u3002\u7c7b\u4f3c\u4e8e\u6d4f\u89c8\u5668\u7f13\u5b58\u5728\u786c\u76d8\u9a71\u52a8\u5668\u4e0a\u5b58\u50a8\u6587\u4ef6\u7684\u65b9\u5f0f\uff0c\u5728\u90a3\u91cc\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u8bbf\u95ee\u5b83\u4eec\uff0c<a href=\"https:\/\/cn.hostease.com\/\" target=\"_blank\" rel=\"noopener\"><strong>CDN<\/strong><\/a> \u5c06\u60a8\u7684\u7f51\u7ad9\u5185\u5bb9\u79fb\u52a8\u5230\u4e3a\u52a0\u901f\u5185\u5bb9\u5206\u53d1\u800c\u4f18\u5316\u7684\u5f3a\u5927\u4ee3\u7406\u670d\u52a1\u5668\u3002<\/p>\n<p>\u7f13\u5b58\u7684\u5de5\u4f5c\u539f\u7406\u662f\u6709\u9009\u62e9\u5730\u5c06\u7f51\u7ad9\u6587\u4ef6\u5b58\u50a8\u5728 <strong>CDN<\/strong> \u7684\u7f13\u5b58\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\uff0c\u4ece\u9644\u8fd1\u4f4d\u7f6e\u6d4f\u89c8\u7684\u7f51\u7ad9\u8bbf\u95ee\u8005\u53ef\u4ee5\u5feb\u901f\u8bbf\u95ee\u8fd9\u4e9b\u6587\u4ef6\u3002\u63a8\u8350\u9605\u8bfb\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/server\/531.html\" target=\"_blank\" rel=\"noopener\">\u300a\u4ec0\u4e48\u662fCDN\uff0cCDN\u5b83\u662f\u600e\u6837\u5de5\u4f5c\u7684\u300b<\/a><\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u7f13\u5b58\u670d\u52a1\u5668\u5982\u4f55\u5de5\u4f5c<\/span><\/p>\n<p>\u4ee3\u7406\u7f13\u5b58\u670d\u52a1\u5668\u662f CDN \u7f51\u7edc\u6570\u636e\u4e2d\u5fc3\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u8fd9\u4e9b\u6570\u636e\u4e2d\u5fc3\u6218\u7565\u6027\u5730\u5206\u5e03\u5728\u5168\u7403\u5404\u5730\u3002\u8fd9\u4e9b\u5b58\u5728\u70b9 (PoP) \u662f\u6839\u636e\u5404\u4e2a\u533a\u57df\u7684\u6d41\u91cf\u6a21\u5f0f\u9009\u62e9\u7684\u3002<\/p>\n<p>\u62e5\u6709\u4f17\u591a\u7528\u6237\u7684\u9ad8\u5ea6\u6d3b\u8dc3\u7684\u4f4d\u7f6e\u53ef\u80fd\u6709\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u7528\u6237\u5f88\u5c11\u7684\u504f\u8fdc\u5730\u533a\u53ef\u80fd\u53ea\u6709\u4e00\u4e2a PoP \u6765\u8986\u76d6\u8f83\u5927\u7684\u5730\u7406\u533a\u57df\u3002<\/p>\n<p>\u4e00\u65e6\u5230\u4f4d\uff0c\u7f13\u5b58\u670d\u52a1\u5668\u5145\u5f53\u7f51\u7ad9\u5185\u5bb9\u7684\u5b58\u50a8\u5e93\uff0c\u4e3a\u672c\u5730\u7528\u6237\u63d0\u4f9b\u5bf9\u7f13\u5b58\u6587\u4ef6\u7684\u52a0\u901f\u8bbf\u95ee\u3002\u7f13\u5b58\u670d\u52a1\u5668\u79bb\u7ec8\u7aef\u7528\u6237\u8d8a\u8fd1\uff0c\u7f51\u7ad9\u6570\u636e\u4f20\u8f93\u6240\u9700\u7684\u8fde\u63a5\u65f6\u95f4\u5c31\u8d8a\u77ed\u3002<\/p>\n<p>\u5728\u786c\u4ef6\u65b9\u9762\uff0c\u5178\u578b\u7684\u4e2a\u4eba\u7f13\u5b58\u670d\u52a1\u5668\u662f\u5185\u5bb9\u4ea4\u4ed8\u7684\u5f3a\u8005\uff0c\u5177\u6709\u589e\u5f3a\u7684 RAM \u548c SSD \u5b58\u50a8\u8d44\u6e90\u3002\u4f5c\u4e3a\u66f4\u5feb\u7684\u9009\u9879\uff0cRAM \u7528\u4e8e\u9ad8\u4f18\u5148\u7ea7\u8d44\u6e90\uff0c\u800c SSD \u7528\u4e8e\u8bf7\u6c42\u6700\u5c11\u4f46\u4ecd\u53ef\u7f13\u5b58\u7684 Web \u6587\u4ef6\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u7f13\u5b58\u5934\u89e3\u91ca<\/span><\/p>\n<p>Web \u5f00\u53d1\u4eba\u5458\u4f7f\u7528 HTTP \u7f13\u5b58\u6807\u5934\u6765\u6807\u8bb0\u53ef\u7f13\u5b58\u7684 Web \u5185\u5bb9\u5e76\u8bbe\u7f6e\u7f13\u5b58\u6301\u7eed\u65f6\u95f4\u3002\u4f7f\u7528\u7f13\u5b58\u6807\u5934\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5efa\u7acb\u786e\u4fdd\u5185\u5bb9\u65b0\u9c9c\u5ea6\u7684\u6700\u4f73\u7f13\u5b58\u7b56\u7565\u6765\u63a7\u5236\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<p>\u4f8b\u5982\uff1a\u201cCache-Control: max-age=3600\u201d\u8868\u793a\u5728\u5fc5\u987b\u4ece\u539f\u59cb\u5185\u5bb9\u4e2d\u91cd\u65b0\u83b7\u53d6\u6587\u4ef6\u4e4b\u524d\uff0c\u8be5\u6587\u4ef6\u53ef\u4ee5\u88ab\u7f13\u5b58\u4e0d\u8d85\u8fc7\u4e00\u4e2a\u5c0f\u65f6\u3002<\/p>\n<p>\u4ed4\u7ec6\u6807\u8bb0\u6bcf\u4e2a\u6587\u4ef6\uff0c\u751a\u81f3\u662f\u6587\u4ef6\u7ec4\uff0c\u53ef\u80fd\u4f1a\u8ba9\u4eba\u4e0d\u77e5\u6240\u63aa\uff0c\u800c\u4e14\u5bb9\u6613\u5bfc\u81f4\u6548\u7387\u4f4e\u4e0b\u3002\u73b0\u4ee3 <strong>CDN<\/strong> \u5141\u8bb8\u60a8\u901a\u8fc7\u91c7\u7528\u80fd\u591f\u5728\u53d1\u73b0\u7f13\u5b58\u6807\u5934\u6307\u4ee4\u4e0d\u7406\u60f3\u65f6\u8986\u76d6\u7f13\u5b58\u6807\u5934\u6307\u4ee4\u7684\u667a\u80fd\u673a\u5236\u6765\u653e\u5f03\u8fd9\u79cd\u505a\u6cd5\u3002<\/p>\n<p>\u6700\u5e38\u89c1\u7684\u662f\uff0c\u8fd9\u4e9b\u673a\u5236\u5141\u8bb8\u7f13\u5b58\u9ed8\u8ba4\u6807\u8bb0\u4e3a\u4e0d\u53ef\u7f13\u5b58\u7684\u52a8\u6001\u5185\u5bb9\uff0c\u5373\u4f7f\u65b0\u9c9c\u5ea6\u4e0d\u662f\u95ee\u9898\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u3000\u3000\u6ee1\u8db3\u6807\u9898<\/strong><\/span><\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u7f13\u5b58\u63a7\u5236<\/span><\/p>\n<p>HTTP\/1.1 \u4e2d\u5f15\u5165\u7684\u6807\u5934\u5904\u7406\u5404\u79cd\u7f13\u5b58\u529f\u80fd\u3002\u6240\u6709\u73b0\u4ee3\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u7f13\u5b58\u63a7\u5236\u5e76\u53d6\u4ee3\u4efb\u4f55\u4e0a\u4e00\u4ee3\u6807\u5934(\u4f8b\u5982Expires)\u3002<\/p>\n<p>Cache-Control: public \u2013 \u901a\u8fc7\u516c\u5171\u5e73\u53f0(\u5982 <strong>CDN<\/strong>)\u542f\u7528\u7f13\u5b58\u3002<\/p>\n<p>\u7f13\u5b58\u63a7\u5236\uff1a\u79c1\u6709\u2013 \u4fdd\u7559\u7528\u4e8e\u6307\u5b9a\u4e3a\u4e0d\u53ef\u7f13\u5b58\u7684\u79c1\u6709\u4fe1\u606f\u3002<\/p>\n<p>Cache-Control: no-cache \u2013 \u7f13\u5b58\u524d\u9700\u8981\u9a8c\u8bc1\u3002<\/p>\n<p>Cache-Control: no-store \u2013 \u5b8c\u5168\u7981\u6b62\u7f13\u5b58\u3002<\/p>\n<p>Cache-Control: public, max-age=[seconds] \u2013 \u8bbe\u7f6e\u6e05\u9664\u524d\u5185\u5bb9\u53ef\u4ee5\u7f13\u5b58\u7684\u6700\u5927\u65f6\u95f4\u9650\u5236(\u4ee5\u79d2\u4e3a\u5355\u4f4d)\u3002\u63a8\u8350\u9605\u8bfb\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/cloud\/1800.html\" target=\"_blank\" rel=\"noopener\">\u300a CDN\u7684\u52a0\u901f\u539f\u7406 \u300b<\/a><\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u8fc7\u671f<\/span><\/p>\n<p>\u7c7b\u4f3c\u4e8eCache-Control\uff1amax-age\uff0c\u8bbe\u7f6e\u5185\u5bb9\u8fc7\u671f\u548c\u79fb\u9664\u7684\u65f6\u95f4\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u4ee3\u7406<\/span><\/p>\n<p>\u4f7f\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u7f13\u5b58\u7b56\u7565\uff0c\u4ee5\u539f\u59cb\u670d\u52a1\u5668\u7684\u6743\u9650\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u6807\u7b7e<\/span><\/p>\n<p>\u4e3a\u60a8\u7684\u7f13\u5b58 Web \u5185\u5bb9\u63d0\u4f9b\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u652f\u6301\u5355\u72ec\u6807\u8bb0\u548c\u66f4\u590d\u6742\u7684\u6392\u5e8f\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u7f16\u8bd1\u6307\u793a<\/span><\/p>\n<p>Pragma \u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u88ab\u7f13\u5b58\u63a7\u5236\u6240\u53d6\u4ee3\uff0c\u4ee5\u524d\u7528\u4e8e\u5904\u7406\u6d4f\u89c8\u5668\u7684\u7f13\u5b58\u6307\u4ee4\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u53d8\u5316(\u8c28\u614e\u4f7f\u7528)<\/span><\/p>\n<p>\u4e00\u4e9b\u6d4f\u89c8\u5668\u4ecd\u7136\u96be\u4ee5\u652f\u6301 Vary \u6807\u5934\u3002\u5982\u679c\u4f7f\u7528\u5f97\u5f53\uff0cVary \u53ef\u4ee5\u6210\u4e3a\u7ba1\u7406\u591a\u4e2a\u6587\u4ef6\u7248\u672c\u4ea4\u4ed8\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u4e0e\u672a\u538b\u7f29\u526f\u672c\u4e00\u8d77\u7f13\u5b58\u7684\u538b\u7f29\u6587\u4ef6\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u667a\u80fd\u7f13\u5b58\u63a7\u5236<\/span><\/p>\n<p>\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5927\u591a\u6570 CDN \u7f13\u5b58\u90fd\u662f\u4e00\u4e2a\u52a8\u624b\u8fc7\u7a0b\u3002\u7136\u800c\uff0c\u73b0\u4ee3 CDN \u6b63\u5728\u5f00\u53d1\u65b0\u6d41\u7a0b\u6765\u76d1\u63a7\u3001\u5206\u7c7b\u548c\u7f13\u5b58\u66f4\u5e7f\u6cdb\u7684\u5185\u5bb9\uff0c\u4ece\u800c\u8282\u7701\u60a8\u7684\u65f6\u95f4\u5e76\u63d0\u9ad8\u6574\u4f53\u6548\u7387\u3002<\/p>\n<p>\u8fd9\u79cd\u57fa\u4e8e\u5b66\u4e60\u7684\u65b9\u6cd5\u4f9d\u8d56\u4e8e <strong>CDN<\/strong> \u8ddf\u8e2a\u5185\u5bb9\u4f7f\u7528\u6a21\u5f0f\u4ee5\u81ea\u52a8\u4f18\u5316\u5b58\u50a8\u548c\u4ea4\u4ed8\u7684\u80fd\u529b\u3002\u4f7f\u7528\u6b64\u7c7b\u667a\u80fd\u7f13\u5b58\u63a7\u4ef6\u7684\u597d\u5904\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u3000\u3000\u533a\u57df\u70ed\u95e8\u5185\u5bb9\u7684\u7f13\u5b58\u8c03\u6574<\/li>\n<li>\u3000\u3000\u7ecf\u5e38\u8bbf\u95ee\u7684\u6750\u6599\u7684\u81ea\u52a8\u7f13\u5b58\u89c4\u5219<\/li>\n<li>\u3000\u3000\u9ad8\u9700\u6c42\u5185\u5bb9\u7684\u751f\u4ea7\u6027\u590d\u5236<\/li>\n<li>\u3000\u3000\u65f6\u95f4\u654f\u611f\u7684\u5b58\u6863\u548c\u5230\u671f\u653f\u7b56<\/li>\n<\/ul>\n<p>\u667a\u80fd\u7f13\u5b58\u63a7\u5236\u7684\u4e3b\u8981\u597d\u5904\u4e4b\u4e00\u662f\u80fd\u591f\u4e3a\u52a8\u6001\u751f\u6210\u7684\u5bf9\u8c61\u8bc6\u522b\u65b0\u7684\u7f13\u5b58\u673a\u4f1a\u3002\u8fd9\u4e9b\u5185\u5bb9\u968f\u7740\u6bcf\u6b21\u8bbf\u95ee\u800c\u91cd\u65b0\u751f\u6210\uff0c\u53ef\u80fd\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u4f46\u7531\u4e8e\u6280\u672f\u539f\u56e0\u4ecd\u88ab\u89c6\u4e3a\u201c\u52a8\u6001\u201d\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u901a\u8fc7\u5b66\u4e60\u8fdb\u884c\u9884\u6d4b<\/span><\/p>\n<p>\u667a\u80fd\u7f13\u5b58\u7b97\u6cd5\u53ef\u4ee5\u901a\u8fc7\u89c2\u5bdf\u4f7f\u7528\u6a21\u5f0f\u81ea\u52a8\u8bc6\u522b\u52a8\u6001\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u5f53\u7cfb\u7edf\u6ce8\u610f\u5230\u4ea7\u54c1\u9875\u9762\u7684\u76f8\u540c HTML \u7248\u672c\u4e00\u6b21\u53c8\u4e00\u6b21\u5730\u88ab\u63d0\u4f9b\u65f6\uff0c\u5b83\u4f1a\u5c06\u5176\u6807\u8bb0\u4e3a\u9759\u6001\uff0c\u5373\u4f7f\u5b83\u662f\u52a8\u6001\u751f\u6210\u7684\u3002<\/p>\n<p>\u4ece\u90a3\u65f6\u8d77\uff0cHTML \u5bf9\u8c61\u88ab\u89c6\u4e3a\u201c\u53ef\u7f13\u5b58\u201d\uff0c\u5e76\u76f4\u63a5\u4ece CDN \u7684\u4ee3\u7406\u670d\u52a1\u5668\u63d0\u4f9b\u670d\u52a1\uff0c\u4ee5\u63d0\u9ad8\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u548c\u54cd\u5e94\u80fd\u529b\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u7b97\u6cd5\u4f1a\u8ddf\u8e2a\u5bf9\u8c61\u5e76\u4e0d\u65ad\u91cd\u65b0\u8bc4\u4f30\u5176\u72b6\u6001\uff0c\u4e00\u65e6\u53d1\u73b0\u5b83\u88ab\u4fee\u6539\u5c31\u5c06\u5176\u6807\u8bb0\u4e3a\u52a8\u6001\u3002<\/p>\n<p>\u5927\u89c4\u6a21\u6267\u884c\u6b64\u64cd\u4f5c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u7f51\u7ad9\u6027\u80fd\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u5185\u5bb9\u65b0\u9c9c\u5ea6\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u5fc5\u5907\u7f13\u5b58\u9009\u9879<\/span><\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u6e05\u9664\u7f13\u5b58<\/span><\/p>\n<p>\u4f7f\u60a8\u80fd\u591f\u968f\u65f6\u5237\u65b0\u7f13\u5b58\u6587\u4ef6\u3002\u8bf7\u6ce8\u610f\uff0c\u67d0\u4e9b\u63d0\u4f9b\u7a0b\u5e8f\u5c06\u53ea\u5141\u8bb8\u60a8\u5237\u65b0\u6574\u4e2a\u7f13\u5b58\u5b58\u50a8\u3002\u6b64\u5916\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u7684 <strong>CDN<\/strong> \u63d0\u4f9b\u5546\u4f1a\u9650\u5236\u7ed9\u5b9a\u65f6\u95f4\u6bb5\u5185\u7684\u6e05\u9664\u6b21\u6570\u3002\u6e05\u9664\u8bf7\u6c42\u7684\u6709\u6548\u6027\u4ee5\u5b83\u5728\u6574\u4e2a\u7f51\u7edc\u4e2d\u4f20\u64ad\u6240\u9700\u7684\u65f6\u95f4\u6765\u8861\u91cf\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u59cb\u7ec8\/\u4ece\u4e0d\u7f13\u5b58<\/span><\/p>\n<p>\u5e2e\u52a9\u60a8\u624b\u52a8\u8986\u76d6\u7f13\u5b58\u6807\u5934\uff0c\u6807\u8bb0\u5e94\u59cb\u7ec8\u4ece\u7f13\u5b58\u63d0\u4f9b\u6216\u4ece\u4e0d\u63d0\u4f9b\u7684\u6587\u4ef6\u3002\u8fd9\u662f\u7f13\u5b58\u7ba1\u7406\u7684\u6709\u6548\u5de5\u5177\uff0c\u5c24\u5176\u662f\u4e0e\u6279\u91cf\u7ba1\u7406\u9009\u9879\u7ed3\u5408\u4f7f\u7528\u65f6\uff0c\u5141\u8bb8\u60a8\u5c06\u8fd9\u4e9b\u6307\u4ee4\u5e94\u7528\u4e8e\u6574\u4e2a\u6587\u4ef6\u7ec4(\u4f8b\u5982\uff0c\/template\/images\/ \u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709 JPG \u6587\u4ef6)\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u3000\u3000\u7f13\u5b58\u671f\u95f4<\/span><\/p>\n<p>\u59cb\u7ec8\u7f13\u5b58\u9009\u9879\u7684\u6539\u8fdb\uff0c\u8fd9\u5141\u8bb8\u60a8\u8bbe\u7f6e\u5728\u5237\u65b0\u4e4b\u524d\u5e94\u4ece\u7f13\u5b58\u4e2d\u63d0\u4f9b\u5bf9\u8c61\u7684\u7279\u5b9a\u65f6\u95f4\u6bb5\u3002\u4ece CDN GUI \u8bbf\u95ee\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u7ba1\u7406\u7279\u5b9a\u6587\u4ef6\u3002\u4f46\u662f\uff0c\u6b64\u9009\u9879\u5728\u7528\u4e8e\u6279\u91cf\u6587\u4ef6\u7ba1\u7406\u65f6\u6700\u6709\u7528(\u4f8b\u5982\uff0c\u6240\u6709\u7f13\u5b58\u4e94\u5929\u7684 JS \u6587\u4ef6)\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f<strong>CDN<\/strong>\u7f13\u5b58\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u6761\u4ef6\u7684\u5168\u90e8\u5185\u5bb9\u3002\u63a8\u8350\u76f8\u5173\u9605\u8bfb\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/server\/668.html\">\u300a CDN\u7684\u6709\u54ea\u4e9b\u4f18\u70b9\u548c\u7f3a\u70b9 \u300b<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f13\u5b58\u662f\u5185\u5bb9\u4ea4\u4ed8\u7f51\u7edc(CDN) \u670d\u52a1\u7684\u6838\u5fc3\u3002\u7c7b\u4f3c\u4e8e\u6d4f\u89c8\u5668\u7f13\u5b58\u5728\u786c\u76d8\u9a71\u52a8\u5668\u4e0a\u5b58\u50a8\u6587\u4ef6\u7684\u65b9\u5f0f\uff0c\u5728\u90a3\u91cc\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u8bbf\u95ee &#8230; 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