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\u9009\u62e9\u5408\u9002\u7684CDN\u63d0\u4f9b\u5546<\/h4>\n<ul>\n<li>\u8bc4\u4f30\u9700\u6c42&#xff1a;\u6839\u636e\u6e38\u620f\u7684\u7c7b\u578b\u3001\u7528\u6237\u5206\u5e03\u3001\u6d41\u91cf\u9884\u671f\u7b49\u56e0\u7d20\u9009\u62e9\u5408\u9002\u7684CDN\u63d0\u4f9b\u5546\u3002<\/li>\n<li>\u7f51\u7edc\u8986\u76d6&#xff1a;\u786e\u4fddCDN\u63d0\u4f9b\u5546\u5728\u76ee\u6807\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u6709\u8db3\u591f\u7684\u8282\u70b9&#xff0c;\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<li>\u6027\u80fd\u548c\u53ef\u9760\u6027&#xff1a;\u67e5\u770bCDN\u7684\u6027\u80fd\u6307\u6807\u548c\u5386\u53f2\u53ef\u9760\u6027&#xff0c;\u9009\u62e9\u4e00\u4e2a\u7a33\u5b9a\u7684\u670d\u52a1\u5546\u3002<\/li>\n<\/ul>\n<h4>2. \u8d44\u6e90\u51c6\u5907\u4e0e\u4e0a\u4f20<\/h4>\n<ul>\n<li>\u9759\u6001\u8d44\u6e90&#xff1a;\u5c06\u6e38\u620f\u4e2d\u7684\u9759\u6001\u8d44\u6e90&#xff08;\u5982\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u3001\u6a21\u578b\u3001\u7eb9\u7406\u7b49&#xff09;\u4e0a\u4f20\u5230CDN\u3002\u901a\u5e38&#xff0c;CDN\u652f\u6301\u591a\u79cd\u6587\u4ef6\u683c\u5f0f\u3002<\/li>\n<li>\u7248\u672c\u7ba1\u7406&#xff1a;\u4e3a\u8d44\u6e90\u6587\u4ef6\u4f7f\u7528\u7248\u672c\u63a7\u5236&#xff0c;\u4ee5\u4fbf\u5728\u66f4\u65b0\u65f6\u80fd\u591f\u6e05\u6670\u5730\u7ba1\u7406\u548c\u66ff\u6362\u65e7\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h4>3. \u914d\u7f6eCDN<\/h4>\n<ul>\n<li>\u7f13\u5b58\u7b56\u7565&#xff1a;\u6839\u636e\u8d44\u6e90\u7684\u66f4\u65b0\u9891\u7387\u8bbe\u7f6e\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\u3002\u5bf9\u4e8e\u4e0d\u5e38\u66f4\u65b0\u7684\u8d44\u6e90&#xff0c;\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u957f\u7684\u7f13\u5b58\u65f6\u95f4&#xff1b;\u5bf9\u4e8e\u9891\u7e41\u66f4\u65b0\u7684\u8d44\u6e90&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u7248\u672c\u53f7\u6216\u65f6\u95f4\u6233\u6765\u907f\u514d\u7f13\u5b58\u95ee\u9898\u3002<\/li>\n<li>CDN\u57df\u540d&#xff1a;\u83b7\u53d6CDN\u63d0\u4f9b\u7684\u57df\u540d\u6216URL&#xff0c;\u5e76\u5c06\u5176\u96c6\u6210\u5230\u6e38\u620f\u5e94\u7528\u4e2d&#xff0c;\u4ee5\u4fbf\u4eceCDN\u52a0\u8f7d\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h4>4. \u4fee\u6539\u6e38\u620f\u4ee3\u7801<\/h4>\n<ul>\n<li>\u8d44\u6e90\u52a0\u8f7d&#xff1a;\u5728\u6e38\u620f\u4ee3\u7801\u4e2d&#xff0c;\u5c06\u8d44\u6e90\u7684\u52a0\u8f7d\u8def\u5f84\u4fee\u6539\u4e3aCDN\u7684URL\u3002\u4f8b\u5982&#xff0c;\u5c06\u672c\u5730\u8d44\u6e90\u8def\u5f84\u66ff\u6362\u4e3aCDN\u63d0\u4f9b\u7684\u8def\u5f84\u3002<\/li>\n<li>\u52a8\u6001\u52a0\u8f7d&#xff1a;\u5b9e\u73b0\u52a8\u6001\u52a0\u8f7d\u673a\u5236&#xff0c;\u786e\u4fdd\u6e38\u620f\u5728\u8fd0\u884c\u65f6\u80fd\u591f\u6839\u636e\u9700\u8981\u4eceCDN\u52a0\u8f7d\u8d44\u6e90&#xff0c;\u800c\u4e0d\u662f\u5728\u542f\u52a8\u65f6\u4e00\u6b21\u6027\u52a0\u8f7d\u6240\u6709\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h4>5. \u6d4b\u8bd5\u4e0e\u4f18\u5316<\/h4>\n<ul>\n<li>\u6027\u80fd\u6d4b\u8bd5&#xff1a;\u5728\u96c6\u6210CDN\u540e&#xff0c;\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5&#xff0c;\u786e\u4fdd\u8d44\u6e90\u52a0\u8f7d\u901f\u5ea6\u548c\u6e38\u620f\u6027\u80fd\u8fbe\u5230\u9884\u671f\u3002<\/li>\n<li>\u76d1\u63a7\u5de5\u5177&#xff1a;\u4f7f\u7528CDN\u63d0\u4f9b\u7684\u76d1\u63a7\u5de5\u5177&#xff0c;\u8ddf\u8e2a\u6d41\u91cf\u3001\u52a0\u8f7d\u65f6\u95f4\u548c\u7528\u6237\u884c\u4e3a&#xff0c;\u4ee5\u4fbf\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u4f18\u5316\u3002<\/li>\n<\/ul>\n<h4>6. \u5b89\u5168\u6027\u914d\u7f6e<\/h4>\n<ul>\n<li>SSL\u52a0\u5bc6&#xff1a;\u786e\u4fddCDN\u652f\u6301HTTPS&#xff0c;\u4ee5\u4fdd\u62a4\u7528\u6237\u6570\u636e\u548c\u8d44\u6e90\u7684\u5b89\u5168\u3002<\/li>\n<li>\u8bbf\u95ee\u63a7\u5236&#xff1a;\u6839\u636e\u9700\u8981\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236&#xff0c;\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7528\u6237\u80fd\u591f\u8bbf\u95ee\u7279\u5b9a\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h4>7. \u66f4\u65b0\u4e0e\u7ef4\u62a4<\/h4>\n<ul>\n<li>\u8d44\u6e90\u66f4\u65b0&#xff1a;\u5728\u66f4\u65b0\u6e38\u620f\u8d44\u6e90\u65f6&#xff0c;\u786e\u4fddCDN\u4e0a\u7684\u8d44\u6e90\u4e5f\u5f97\u5230\u53ca\u65f6\u66f4\u65b0\u3002\u53ef\u4ee5\u4f7f\u7528\u7248\u672c\u53f7\u6216\u6587\u4ef6\u540d\u7684\u53d8\u5316\u6765\u5f3a\u5236\u7528\u6237\u83b7\u53d6\u6700\u65b0\u8d44\u6e90\u3002<\/li>\n<li>\u5b9a\u671f\u5ba1\u67e5&#xff1a;\u5b9a\u671f\u5ba1\u67e5CDN\u7684\u4f7f\u7528\u60c5\u51b5\u548c\u6027\u80fd&#xff0c;\u786e\u4fdd\u5176\u6301\u7eed\u6ee1\u8db3\u6e38\u620f\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h4>8. \u7528\u6237\u4f53\u9a8c\u4f18\u5316<\/h4>\n<ul>\n<li>\u9884\u52a0\u8f7d&#xff1a;\u5728\u6e38\u620f\u4e2d\u5b9e\u73b0\u9884\u52a0\u8f7d\u673a\u5236&#xff0c;\u63d0\u524d\u52a0\u8f7d\u5373\u5c06\u4f7f\u7528\u7684\u8d44\u6e90&#xff0c;\u4ee5\u51cf\u5c11\u7528\u6237\u7b49\u5f85\u65f6\u95f4\u3002<\/li>\n<li>\u56de\u9000\u673a\u5236&#xff1a;\u5728CDN\u4e0d\u53ef\u7528\u65f6&#xff0c;\u8003\u8651\u5b9e\u73b0\u56de\u9000\u673a\u5236&#xff0c;\u4ece\u672c\u5730\u6216\u5907\u7528\u670d\u52a1\u5668\u52a0\u8f7d\u8d44\u6e90&#xff0c;\u4ee5\u786e\u4fdd\u6e38\u620f\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u901a\u8fc7\u5408\u7406\u5730\u4f7f\u7528CDN\u6280\u672f&#xff0c;\u6e38\u620f\u5f00\u53d1\u8005\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6e38\u620f\u7684\u52a0\u8f7d\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5173\u952e\u5728\u4e8e\u9009\u62e9\u5408\u9002\u7684CDN\u63d0\u4f9b\u5546\u3001\u5408\u7406\u914d\u7f6e\u8d44\u6e90\u3001\u4f18\u5316\u52a0\u8f7d\u673a\u5236\u4ee5\u53ca\u6301\u7eed\u76d1\u63a7\u548c\u7ef4\u62a4\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6e38\u620f\u5728\u5168\u7403\u8303\u56f4\u5185\u90fd\u80fd\u63d0\u4f9b\u6d41\u7545\u7684\u4f53\u9a8c\u3002<\/p>\n<h3>\u4eceCDN&#xff08;\u5185\u5bb9\u5206\u53d1\u7f51\u7edc&#xff09;\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u7684\u7b97\u6cd5\u6d41\u7a0b<\/h3>\n<p>\u4eceCDN&#xff08;\u5185\u5bb9\u5206\u53d1\u7f51\u7edc&#xff09;\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u7684\u7b97\u6cd5\u6d41\u7a0b\u53ef\u4ee5\u5206\u4e3a\u51e0\u4e2a\u4e3b\u8981\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5178\u578b\u7684\u6d41\u7a0b&#xff0c;\u6db5\u76d6\u4e86\u4ece\u8bf7\u6c42\u8d44\u6e90\u5230\u6210\u529f\u4e0b\u8f7d\u7684\u5404\u4e2a\u73af\u8282&#xff1a;<\/p>\n<h4>1. \u521d\u59cb\u5316<\/h4>\n<ul>\n<li>\u7528\u6237\u8bf7\u6c42&#xff1a;\u7528\u6237\u5728\u6e38\u620f\u6216\u5e94\u7528\u4e2d\u53d1\u8d77\u8d44\u6e90\u8bf7\u6c42&#xff08;\u5982\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49&#xff09;\u3002<\/li>\n<li>\u8d44\u6e90\u6807\u8bc6&#xff1a;\u786e\u5b9a\u6240\u9700\u8d44\u6e90\u7684\u552f\u4e00\u6807\u8bc6\u7b26&#xff08;\u5982URL\u3001\u6587\u4ef6\u540d\u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<h4>2. \u9009\u62e9CDN\u8282\u70b9<\/h4>\n<ul>\n<li>\u5730\u7406\u4f4d\u7f6e&#xff1a;\u6839\u636e\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u9009\u62e9\u79bb\u7528\u6237\u6700\u8fd1\u7684CDN\u8282\u70b9\u3002\u53ef\u4ee5\u4f7f\u7528\u7528\u6237\u7684IP\u5730\u5740\u6765\u4f30\u7b97\u5176\u4f4d\u7f6e\u3002<\/li>\n<li>\u5065\u5eb7\u68c0\u67e5&#xff1a;\u68c0\u67e5\u53ef\u7528\u7684CDN\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u6001&#xff0c;\u786e\u4fdd\u6240\u9009\u8282\u70b9\u5728\u7ebf\u4e14\u54cd\u5e94\u6b63\u5e38\u3002<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861&#xff1a;\u5982\u679c\u6709\u591a\u4e2a\u53ef\u7528\u8282\u70b9&#xff0c;\u9009\u62e9\u8d1f\u8f7d\u8f83\u4f4e\u7684\u8282\u70b9&#xff0c;\u4ee5\u63d0\u9ad8\u4e0b\u8f7d\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h4>3. \u53d1\u9001\u8bf7\u6c42<\/h4>\n<ul>\n<li>\u6784\u5efa\u8bf7\u6c42&#xff1a;\u6839\u636e\u9009\u62e9\u7684CDN\u8282\u70b9\u6784\u5efaHTTP\u8bf7\u6c42&#xff0c;\u5305\u542b\u5fc5\u8981\u7684\u5934\u4fe1\u606f&#xff08;\u5982\u7528\u6237\u4ee3\u7406\u3001\u7f13\u5b58\u63a7\u5236\u7b49&#xff09;\u3002<\/li>\n<li>\u53d1\u9001\u8bf7\u6c42&#xff1a;\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u9009\u5b9a\u7684CDN\u8282\u70b9\u3002<\/li>\n<\/ul>\n<h4>4. \u5904\u7406\u54cd\u5e94<\/h4>\n<ul>\n<li>\u63a5\u6536\u54cd\u5e94&#xff1a;\u7b49\u5f85CDN\u8282\u70b9\u7684\u54cd\u5e94\u3002<\/li>\n<li>\u72b6\u6001\u7801\u68c0\u67e5&#xff1a;\u68c0\u67e5HTTP\u54cd\u5e94\u72b6\u6001\u7801&#xff1a;\n<ul>\n<li>200 OK&#xff1a;\u8d44\u6e90\u6210\u529f\u8fd4\u56de&#xff0c;\u7ee7\u7eed\u4e0b\u8f7d\u3002<\/li>\n<li>404 Not Found&#xff1a;\u8d44\u6e90\u5728\u8be5\u8282\u70b9\u4e0a\u4e0d\u5b58\u5728&#xff0c;\u53ef\u80fd\u9700\u8981\u91cd\u8bd5\u5176\u4ed6\u8282\u70b9\u3002<\/li>\n<li>500 Internal Server Error&#xff1a;\u670d\u52a1\u5668\u9519\u8bef&#xff0c;\u53ef\u80fd\u9700\u8981\u91cd\u8bd5\u3002<\/li>\n<li>\u5176\u4ed6\u72b6\u6001\u7801&#xff1a;\u6839\u636e\u5177\u4f53\u60c5\u51b5\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>5. \u4e0b\u8f7d\u8d44\u6e90<\/h4>\n<ul>\n<li>\u6570\u636e\u6d41\u5904\u7406&#xff1a;\u5982\u679c\u8d44\u6e90\u6210\u529f\u8fd4\u56de&#xff0c;\u5f00\u59cb\u4e0b\u8f7d\u6570\u636e\u6d41\u3002<\/li>\n<li>\u7f13\u5b58\u5904\u7406&#xff1a;\u6839\u636eCDN\u7684\u7f13\u5b58\u7b56\u7565&#xff0c;\u51b3\u5b9a\u662f\u5426\u5c06\u4e0b\u8f7d\u7684\u8d44\u6e90\u7f13\u5b58\u5230\u672c\u5730&#xff0c;\u4ee5\u4fbf\u540e\u7eed\u4f7f\u7528\u3002<\/li>\n<li>\u8fdb\u5ea6\u76d1\u63a7&#xff1a;\u5728\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\u76d1\u63a7\u8fdb\u5ea6&#xff0c;\u66f4\u65b0\u7528\u6237\u754c\u9762&#xff08;\u5982\u8fdb\u5ea6\u6761&#xff09;\u3002<\/li>\n<\/ul>\n<h4>6. \u5b8c\u6210\u4e0b\u8f7d<\/h4>\n<ul>\n<li>\u4fdd\u5b58\u8d44\u6e90&#xff1a;\u5c06\u4e0b\u8f7d\u7684\u8d44\u6e90\u4fdd\u5b58\u5230\u672c\u5730\u5b58\u50a8\u6216\u5e94\u7528\u7684\u7f13\u5b58\u4e2d\u3002<\/li>\n<li>\u8d44\u6e90\u52a0\u8f7d&#xff1a;\u5728\u6e38\u620f\u6216\u5e94\u7528\u4e2d\u52a0\u8f7d\u4e0b\u8f7d\u7684\u8d44\u6e90&#xff0c;\u786e\u4fdd\u5176\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h4>7. \u9519\u8bef\u5904\u7406\u4e0e\u91cd\u8bd5\u673a\u5236<\/h4>\n<ul>\n<li>\u9519\u8bef\u5904\u7406&#xff1a;\u5982\u679c\u5728\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\u53d1\u751f\u9519\u8bef&#xff08;\u5982\u7f51\u7edc\u4e2d\u65ad\u3001\u8d85\u65f6\u7b49&#xff09;&#xff0c;\u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n<li>\u91cd\u8bd5\u673a\u5236&#xff1a;\u6839\u636e\u9884\u8bbe\u7684\u91cd\u8bd5\u7b56\u7565&#xff08;\u5982\u91cd\u8bd5\u6b21\u6570\u3001\u95f4\u9694\u65f6\u95f4\u7b49&#xff09;&#xff0c;\u5c1d\u8bd5\u4ece\u5176\u4ed6CDN\u8282\u70b9\u91cd\u65b0\u4e0b\u8f7d\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h4>8. \u76d1\u63a7\u4e0e\u5206\u6790<\/h4>\n<ul>\n<li>\u6027\u80fd\u76d1\u63a7&#xff1a;\u8bb0\u5f55\u4e0b\u8f7d\u65f6\u95f4\u3001\u6210\u529f\u7387\u7b49\u6027\u80fd\u6307\u6807&#xff0c;\u4ee5\u4fbf\u540e\u7eed\u5206\u6790\u548c\u4f18\u5316\u3002<\/li>\n<li>\u7528\u6237\u53cd\u9988&#xff1a;\u6536\u96c6\u7528\u6237\u53cd\u9988&#xff0c;\u4e86\u89e3\u8d44\u6e90\u52a0\u8f7d\u7684\u4f53\u9a8c&#xff0c;\u8fdb\u884c\u76f8\u5e94\u7684\u6539\u8fdb\u3002<\/li>\n<\/ul>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u4ee5\u4e0a\u6d41\u7a0b\u63cf\u8ff0\u4e86\u4eceCDN\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u7684\u57fa\u672c\u7b97\u6cd5\u6b65\u9aa4\u3002\u901a\u8fc7\u5408\u7406\u7684\u8282\u70b9\u9009\u62e9\u3001\u8bf7\u6c42\u5904\u7406\u3001\u9519\u8bef\u5904\u7406\u548c\u76d1\u63a7\u5206\u6790&#xff0c;\u53ef\u4ee5\u786e\u4fdd\u8d44\u6e90\u7684\u9ad8\u6548\u3001\u7a33\u5b9a\u4e0b\u8f7d&#xff0c;\u4ece\u800c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42&#xff0c;\u53ef\u80fd\u8fd8\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n<h3>\u4eceCDN&#xff08;\u5185\u5bb9\u5206\u53d1\u7f51\u7edc&#xff09;\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u7684c#\u4ee3\u7801\u7b97\u6cd5\u5b9e\u73b0<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684 C# \u793a\u4f8b&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u4ece CDN&#xff08;\u5185\u5bb9\u5206\u53d1\u7f51\u7edc&#xff09;\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u3002\u8fd9\u4e2a\u793a\u4f8b\u4f7f\u7528 HttpClient \u7c7b\u6765\u53d1\u9001 HTTP \u8bf7\u6c42\u5e76\u4e0b\u8f7d\u6587\u4ef6\u3002\u6211\u4eec\u5c06\u5b9e\u73b0\u4e00\u4e2a\u57fa\u672c\u7684\u6d41\u7a0b&#xff0c;\u5305\u62ec\u9009\u62e9 CDN \u8282\u70b9\u3001\u53d1\u9001\u8bf7\u6c42\u3001\u5904\u7406\u54cd\u5e94\u548c\u4fdd\u5b58\u6587\u4ef6\u3002<\/p>\n<h4>C# \u793a\u4f8b\u4ee3\u7801<\/h4>\n<p><span class=\"token keyword\">using<\/span> <span class=\"token namespace\">System<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token namespace\">System<span class=\"token punctuation\">.<\/span>IO<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token namespace\">System<span class=\"token punctuation\">.<\/span>Net<span class=\"token punctuation\">.<\/span>Http<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token namespace\">System<span class=\"token punctuation\">.<\/span>Threading<span class=\"token punctuation\">.<\/span>Tasks<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Program<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">readonly<\/span> <span class=\"token class-name\">HttpClient<\/span> httpClient <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">HttpClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">Main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> args<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> resourceUrl <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;https:\/\/cdn.example.com\/path\/to\/resource&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u66ff\u6362\u4e3a\u5b9e\u9645\u7684 CDN URL<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> localFilePath <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;downloaded_resource&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u672c\u5730\u4fdd\u5b58\u8def\u5f84<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">await<\/span> <span class=\"token function\">DownloadResourceFromCDN<\/span><span class=\"token punctuation\">(<\/span>resourceUrl<span class=\"token punctuation\">,<\/span> localFilePath<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8d44\u6e90\u4e0b\u8f7d\u6210\u529f&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u4e0b\u8f7d\u5931\u8d25: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">ex<span class=\"token punctuation\">.<\/span>Message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">DownloadResourceFromCDN<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> url<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> localPath<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53d1\u9001\u8bf7\u6c42<\/span><br \/>\n        <span class=\"token class-name\">HttpResponseMessage<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> httpClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetAsync<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u68c0\u67e5\u54cd\u5e94\u72b6\u6001<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>IsSuccessStatusCode<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u5185\u5bb9\u5e76\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6<\/span><br \/>\n            <span class=\"token keyword\">using<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> fileStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">FileStream<\/span><span class=\"token punctuation\">(<\/span>localPath<span class=\"token punctuation\">,<\/span> FileMode<span class=\"token punctuation\">.<\/span>Create<span class=\"token punctuation\">,<\/span> FileAccess<span class=\"token punctuation\">.<\/span>Write<span class=\"token punctuation\">,<\/span> FileShare<span class=\"token punctuation\">.<\/span>None<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>Content<span class=\"token punctuation\">.<\/span><span class=\"token function\">CopyToAsync<\/span><span class=\"token punctuation\">(<\/span>fileStream<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5904\u7406\u9519\u8bef\u72b6\u6001<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Exception<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u8bf7\u6c42\u5931\u8d25&#xff0c;\u72b6\u6001\u7801: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">response<span class=\"token punctuation\">.<\/span>StatusCode<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u4ee3\u7801\u8bf4\u660e<\/h4>\n<li>\n<p>HttpClient&#xff1a;\u4f7f\u7528 HttpClient \u7c7b\u6765\u53d1\u9001 HTTP \u8bf7\u6c42\u3002\u5b83\u662f\u4e00\u4e2a\u9ad8\u6548\u7684 HTTP \u5ba2\u6237\u7aef&#xff0c;\u9002\u5408\u7528\u4e8e\u53d1\u9001\u8bf7\u6c42\u548c\u63a5\u6536\u54cd\u5e94\u3002<\/p>\n<\/li>\n<li>\n<p>DownloadResourceFromCDN \u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u8be5\u65b9\u6cd5\u63a5\u53d7\u8d44\u6e90\u7684 URL \u548c\u672c\u5730\u4fdd\u5b58\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\u3002<\/li>\n<li>\u4f7f\u7528 GetAsync \u65b9\u6cd5\u53d1\u9001 GET \u8bf7\u6c42\u3002<\/li>\n<li>\u68c0\u67e5\u54cd\u5e94\u72b6\u6001\u7801&#xff0c;\u5982\u679c\u6210\u529f&#xff08;\u72b6\u6001\u7801 200&#xff09;&#xff0c;\u5219\u5c06\u54cd\u5e94\u5185\u5bb9\u5199\u5165\u672c\u5730\u6587\u4ef6\u3002<\/li>\n<li>\u5982\u679c\u8bf7\u6c42\u5931\u8d25&#xff0c;\u629b\u51fa\u5f02\u5e38\u5e76\u663e\u793a\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Main \u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u5b9a\u4e49\u8d44\u6e90\u7684 URL \u548c\u672c\u5730\u6587\u4ef6\u8def\u5f84\u3002<\/li>\n<li>\u8c03\u7528 DownloadResourceFromCDN \u65b9\u6cd5\u5e76\u5904\u7406\u53ef\u80fd\u7684\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>\u6ce8\u610f\u4e8b\u9879<\/h4>\n<ul>\n<li>\u5f02\u5e38\u5904\u7406&#xff1a;\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u60a8\u53ef\u80fd\u9700\u8981\u66f4\u8be6\u7ec6\u7684\u5f02\u5e38\u5904\u7406\u548c\u91cd\u8bd5\u673a\u5236&#xff0c;\u4ee5\u5e94\u5bf9\u7f51\u7edc\u95ee\u9898\u6216 CDN \u8282\u70b9\u4e0d\u53ef\u7528\u7684\u60c5\u51b5\u3002<\/li>\n<li>\u914d\u7f6e&#xff1a;\u6839\u636e\u9700\u8981&#xff0c;\u60a8\u53ef\u4ee5\u5c06 CDN URL \u548c\u672c\u5730\u8def\u5f84\u914d\u7f6e\u4e3a\u53c2\u6570\u6216\u4ece\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bfb\u53d6\u3002<\/li>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a;\u5bf9\u4e8e\u5927\u6587\u4ef6\u4e0b\u8f7d&#xff0c;\u60a8\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u8fdb\u5ea6\u76d1\u63a7\u548c\u5206\u5757\u4e0b\u8f7d\u7b49\u529f\u80fd\u3002<\/li>\n<li>\u5b89\u5168\u6027&#xff1a;\u786e\u4fdd\u4f7f\u7528 HTTPS \u8fdb\u884c\u5b89\u5168\u7684\u8d44\u6e90\u4e0b\u8f7d\u3002<\/li>\n<\/ul>\n<h4>\u6269\u5c55\u529f\u80fd<\/h4>\n<ul>\n<li>\u91cd\u8bd5\u673a\u5236&#xff1a;\u53ef\u4ee5\u5728\u4e0b\u8f7d\u5931\u8d25\u65f6\u5b9e\u73b0\u91cd\u8bd5\u903b\u8f91\u3002<\/li>\n<li>\u591a\u7ebf\u7a0b\u4e0b\u8f7d&#xff1a;\u5bf9\u4e8e\u5927\u6587\u4ef6&#xff0c;\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65\u65b9\u6cd5\u6765\u63d0\u9ad8\u4e0b\u8f7d\u901f\u5ea6\u3002<\/li>\n<li>\u7f13\u5b58\u7ba1\u7406&#xff1a;\u53ef\u4ee5\u5b9e\u73b0\u672c\u5730\u7f13\u5b58\u673a\u5236&#xff0c;\u4ee5\u907f\u514d\u91cd\u590d\u4e0b\u8f7d\u76f8\u540c\u7684\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u793a\u4f8b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u672c\u7684\u6846\u67b6&#xff0c;\u60a8\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u6269\u5c55\u548c\u4f18\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.0k\u6b21\uff0c\u70b9\u8d5e17\u6b21\uff0c\u6536\u85cf23\u6b21\u3002CDN\u8d44\u6e90\u670d\u52a1\u5668\u662f\u73b0\u4ee3\u7f51\u7edc\u67b6\u6784\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u80fd\u591f\u663e\u8457\u63d0\u5347\u5185\u5bb9\u4ea4\u4ed8\u7684\u901f\u5ea6\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u5408\u7406\u7684\u914d\u7f6e\u548c\u7ba1\u7406\uff0cCDN\u53ef\u4ee5\u4e3a\u6e38\u620f\u3001\u89c6\u9891\u548c\u8f6f\u4ef6\u7b49\u591a\u79cd\u5e94\u7528\u573a\u666f\u63d0\u4f9b\u5f3a\u6709\u529b\u7684\u652f\u6301\u3002\u901a\u8fc7\u5408\u7406\u5730\u4f7f\u7528CDN\u6280\u672f\uff0c\u6e38\u620f\u5f00\u53d1\u8005\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6e38\u620f\u7684\u52a0\u8f7d\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5173\u952e\u5728\u4e8e\u9009\u62e9\u5408\u9002\u7684CDN\u63d0\u4f9b\u5546\u3001\u5408\u7406\u914d\u7f6e\u8d44\u6e90\u3001\u4f18\u5316\u52a0\u8f7d\u673a\u5236\u4ee5\u53ca\u6301\u7eed\u76d1\u63a7\u548c\u7ef4\u62a4\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6e38\u620f\u5728\u5168\u7403\u8303\u56f4\u5185\u90fd\u80fd\u63d0\u4f9b\u6d41\u7545\u7684\u4f53\u9a8c\u3002\u4ee5\u4e0a\u6d41\u7a0b\u63cf\u8ff0\u4e86\u4eceCDN\u8d44\u6e90\u670d\u52a1\u5668\u4e0b\u8f7d\u8d44\u6e90\u7684\u57fa\u672c\u7b97\u6cd5\u6b65\u9aa4\u3002_\u7f51\u7edc\u5206\u53d1\u670d\u52a1\u5668<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[879],"topic":[],"class_list":["post-14148","post","type-post","status-publish","format-standard","hentry","category-server","tag-cdn"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u8d44\u6e90\u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/14148.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u8d44\u6e90\u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" 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