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\u60a8\u6700\u53ef\u80fd\u9047\u5230\u7684 Cookie \u9650\u5236\u662f\uff1a\u7528\u6237\u53ef\u4ee5\u8bbe\u7f6e\u81ea\u5df1\u7684\u6d4f\u89c8\u5668\uff0c\u62d2\u7edd\u63a5\u53d7 Cookie\u3002\u60a8\u5f88\u96be\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9664\u975e\u5b8c\u5168\u4e0d\u4f7f\u7528 Cookie \u800c\u662f\u901a\u8fc7\u5176\u4ed6\u673a\u5236\u6765\u4fdd\u5b58\u7528\u6237\u76f8\u5173\u4fe1\u606f\u3002\u4fdd\u5b58\u7528\u6237\u4fe1\u606f\u7684\u4e00\u79cd\u5e38\u7528\u65b9\u6cd5\u662f\u4f1a\u8bdd\u72b6\u6001\uff0c\u4f46\u4f1a\u8bdd\u72b6\u6001\u53c8\u4f9d\u8d56\u4e8e Cookie\u3002\u8fd9\u4e00\u70b9\u5728\u540e\u9762\u7684 Cookie \u548c\u4f1a\u8bdd\u72b6\u6001\u4e2d\u9610\u8ff0\u3002<\/p>\n

\u6ce8\u610f\uff1a\u6709\u5173\u72b6\u6001\u7ba1\u7406\u548c Web \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7528\u4e8e\u4fdd\u5b58\u4fe1\u606f\u7684\u9009\u9879\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Introduction to Web Forms State\uff08\u82f1\u6587\uff09\u548c State Management Recommendations\uff08\u82f1\u6587\uff09\u3002
\n\u66f4\u4e00\u822c\u7684\u7ecf\u9a8c\u5f88\u53ef\u80fd\u662f\uff0c\u5c3d\u7ba1 Cookie \u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e5f\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u80fd\u591f\u4fdd\u5b58 Cookie\u3002\u5229\u7528 Cookie \u53ef\u4ee5\u505a\u5230\u9526\u4e0a\u6dfb\u82b1\uff0c\u4f46\u4e0d\u8981\u5229\u7528\u5b83\u4eec\u6765\u652f\u6301\u5173\u952e\u529f\u80fd\u3002\u5982\u679c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u4f7f\u7528 Cookie\uff0c\u5219\u60a8\u53ef\u4ee5\u901a\u8fc7\u6d4b\u8bd5\u6765\u786e\u5b9a\u6d4f\u89c8\u5668\u662f\u5426\u63a5\u53d7 Cookie\u3002\u6211\u5728\u672c\u6587\u540e\u9762\u7684\u68c0\u67e5\u6d4f\u89c8\u5668\u662f\u5426\u63a5\u53d7 Cookie \u4e00\u8282\u4e2d\u7b80\u5355\u4ecb\u7ecd\u4e86\u4e00\u79cd\u6d4b\u8bd5\u65b9\u6cd5\u3002<\/p>\n

\u7f16\u5199 Cookie
\n\u60a8\u53ef\u4ee5\u5229\u7528\u9875\u9762\u7684 Response\uff08\u82f1\u6587\uff09\u5c5e\u6027\u6765\u7f16\u5199 Cookie\uff0c\u8be5\u5c5e\u6027\u63d0\u4f9b\u7684\u5bf9\u8c61\u4f7f\u7528\u6237\u53ef\u4ee5\u5c06\u4fe1\u606f\u6dfb\u52a0\u5230\u7531\u9875\u9762\u5411\u6d4f\u89c8\u5668\u5448\u73b0\u7684\u4fe1\u606f\u4e2d\u3002Response \u5bf9\u8c61\u652f\u6301\u4e00\u4e2a\u540d\u4e3a Cookies\uff08\u82f1\u6587\uff09\u7684\u96c6\u5408\uff0c\u60a8\u53ef\u4ee5\u5411\u5176\u4e2d\u6dfb\u52a0\u8981\u5199\u5165\u6d4f\u89c8\u5668\u7684 Cookie\u3002<\/p>\n

\u6ce8\u610f\uff1a\u4e0b\u9762\u8981\u8ba8\u8bba\u7684 Response \u5bf9\u8c61\u548c Request \u5bf9\u8c61\u5206\u522b\u662f\u5305\u542b HttpResponse\uff08\u82f1\u6587\uff09\u548c HttpRequest\uff08\u82f1\u6587\uff09\u7c7b\u5b9e\u4f8b\u7684\u9875\u9762\u7684\u5c5e\u6027\u3002\u8981\u5728\u6587\u6863\u4e2d\u67e5\u627e Response \u548c Request \u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 HttpResponse \u548c HttpRequest \u4e0b\u7684\u5185\u5bb9\u3002
\n\u5728\u521b\u5efa Cookie \u65f6\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u51e0\u4e2a\u503c\u3002\u6700\u521d\uff0c\u60a8\u8981\u6307\u5b9a Cookie \u7684\u540d\u79f0\u548c\u5176\u4e2d\u4fdd\u5b58\u7684\u503c\u3002\u60a8\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a Cookie\uff0c\u6bcf\u4e2a Cookie \u90fd\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0\uff0c\u4ee5\u4fbf\u65e5\u540e\u8bfb\u53d6\u65f6\u8bc6\u522b\u3002\uff08Cookie \u662f\u6309\u540d\u79f0\u4fdd\u5b58\u7684\uff0c\u6240\u4ee5\u5982\u679c\u60a8\u521b\u5efa\u4e86\u4e24\u4e2a\u540d\u79f0\u76f8\u540c\u7684 Cookie\uff0c\u540e\u4fdd\u5b58\u7684\u90a3\u4e00\u4e2a\u5c06\u8986\u76d6\u524d\u4e00\u4e2a\u3002\uff09<\/p>\n

\u60a8\u53ef\u80fd\u8fd8\u5e0c\u671b\u6307\u5b9a Cookie \u7684\u8fc7\u671f\u65e5\u671f\u548c\u65f6\u95f4\u3002Cookie \u4e00\u822c\u90fd\u5199\u5165\u5230\u7528\u6237\u7684\u78c1\u76d8\uff0c\u7136\u540e\u53ef\u80fd\u4e00\u76f4\u90fd\u7559\u5728\u78c1\u76d8\u4e0a\u3002\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u6307\u5b9a Cookie \u8fc7\u671f\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002\u5f53\u7528\u6237\u518d\u6b21\u8bbf\u95ee\u60a8\u7684\u7ad9\u70b9\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u5148\u68c0\u67e5\u60a8\u7ad9\u70b9\u7684 Cookie \u96c6\u5408\uff0c\u5982\u679c\u67d0\u4e2a Cookie \u5df2\u7ecf\u8fc7\u671f\uff0c\u6d4f\u89c8\u5668\u4e0d\u4f1a\u628a\u8fd9\u4e2a Cookie \u968f\u9875\u9762\u8bf7\u6c42\u4e00\u8d77\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u800c\u662f\u5220\u9664\u8fd9\u4e2a\u5df2\u7ecf\u8fc7\u671f\u7684 Cookie\u3002\uff08\u60a8\u7684\u7ad9\u70b9\u53ef\u80fd\u5df2\u7ecf\u5728\u7528\u6237\u8ba1\u7b97\u673a\u4e0a\u5199\u5165\u4e86\u591a\u4e2a Cookie\uff0c\u6bcf\u4e2a Cookie \u90fd\u6709\u5404\u81ea\u7684\u8fc7\u671f\u65e5\u671f\u548c\u65f6\u95f4\u3002\uff09 \u8bf7\u6ce8\u610f\uff0c\u7531\u6d4f\u89c8\u5668\u8d1f\u8d23\u7ba1\u7406\u786c\u76d8\u4e0a\u7684 Cookie\uff0c\u8fd9\u5c06\u5f71\u54cd\u60a8\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5bf9 Cookie \u7684\u4f7f\u7528\uff0c\u6211\u5f88\u5feb\u4f1a\u4ecb\u7ecd\u8fd9\u65b9\u9762\u7684\u5185\u5bb9\u3002<\/p>\n

\u4e00\u4e2a Cookie \u7684\u6709\u6548\u671f\u5e94\u4e3a\u591a\u957f\uff1f\u8fd9\u53d6\u51b3\u4e8e Cookie \u7684\u7528\u9014\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u9700\u8981 Cookie \u503c\u4fdd\u6301\u6709\u6548\u7684\u65f6\u95f4\u6709\u591a\u957f\u3002\u5982\u679c\u5229\u7528 Cookie \u7edf\u8ba1\u7f51\u7ad9\u7684\u8bbf\u95ee\u8005\uff0c\u60a8\u53ef\u4ee5\u628a\u6709\u6548\u671f\u8bbe\u7f6e\u4e3a 1 \u5e74\uff0c\u5982\u679c\u67d0\u4e2a\u7528\u6237\u5df2\u6709\u4e00\u5e74\u65f6\u95f4\u672a\u8bbf\u95ee\u60a8\u7684\u7ad9\u70b9\uff0c\u5219\u53ef\u4ee5\u628a\u8be5\u7528\u6237\u5f53\u4f5c\u65b0\u7684\u8bbf\u95ee\u8005\uff1b \u5982\u679c\u5229\u7528 Cookie \u6765\u4fdd\u5b58\u7528\u6237\u7684\u9996\u9009\u9879\uff0c\u5219\u53ef\u4ee5\u628a\u5176\u8bbe\u7f6e\u4e3a\u6c38\u8fdc\u6709\u6548\uff08\u4f8b\u5982 50 \u5e74\u540e\u5230\u671f\uff09\uff0c\u56e0\u4e3a\u5b9a\u671f\u91cd\u65b0\u8bbe\u7f6e\u9996\u9009\u9879\u5bf9\u7528\u6237\u800c\u8a00\u662f\u6bd4\u8f83\u9ebb\u70e6\u7684\u3002\u6709\u65f6\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u7f16\u5199\u5728\u6570\u79d2\u6216\u6570\u5206\u949f\u5185\u5373\u8fc7\u671f\u7684 Cookie\u3002\u5728\u672c\u6587\u540e\u9762\u7684\u68c0\u67e5\u6d4f\u89c8\u5668\u662f\u5426\u63a5\u53d7 Cookie \u4e00\u8282\u4e2d\uff0c\u6211\u5217\u4e3e\u4e86\u4e00\u4e2a\u793a\u4f8b\uff0c\u8be5\u793a\u4f8b\u4e2d\u521b\u5efa\u7684 Cookie \u7684\u5b9e\u9645\u6709\u6548\u671f\u5c31\u53ea\u6709\u51e0\u79d2\u3002<\/p>\n

\u6ce8\u610f\uff1a\u4e0d\u8981\u5fd8\u8bb0\u7528\u6237\u968f\u65f6\u53ef\u4ee5\u5220\u9664\u81ea\u5df1\u8ba1\u7b97\u673a\u4e0a\u7684 Cookie\uff0c\u6240\u4ee5\u5373\u4f7f\u60a8\u4fdd\u5b58\u4e86\u957f\u671f\u6709\u6548\u7684 Cookie\uff0c\u7528\u6237\u4e5f\u53ef\u4ee5\u81ea\u884c\u51b3\u5b9a\u5c06\u5176\u5168\u90e8\u5220\u9664\uff0c\u540c\u65f6\u6e05\u9664\u4fdd\u5b58\u5728 Cookie \u4e2d\u7684\u6240\u6709\u8bbe\u7f6e\u3002
\n\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e Cookie \u7684\u6709\u6548\u671f\uff0c\u8fd8\u662f\u53ef\u4ee5\u521b\u5efa Cookie\uff0c\u4f46\u5b83\u4e0d\u4f1a\u4fdd\u5b58\u5230\u7528\u6237\u7684\u786c\u76d8\u4e0a\uff0c\u800c\u662f\u4f1a\u6210\u4e3a\u7528\u6237\u4f1a\u8bdd\u4fe1\u606f\u7684\u4e00\u90e8\u5206\u3002\u5982\u679c\u7528\u6237\u5173\u95ed\u6d4f\u89c8\u5668\u6216\u4f1a\u8bdd\u8d85\u65f6\uff0c\u8be5 Cookie \u5c31\u4f1a\u88ab\u5220\u9664\u3002\u8fd9\u79cd\u975e\u6c38\u4e45\u6027\u7684 Cookie \u5f88\u9002\u5408\u7528\u6765\u4fdd\u5b58\u53ea\u9700\u77ed\u65f6\u95f4\u4fdd\u5b58\u7684\u4fe1\u606f\uff0c\u6216\u8005\u4fdd\u5b58\u7531\u4e8e\u5b89\u5168\u539f\u56e0\u4e0d\u5e94\u8be5\u5199\u5165\u5ba2\u6237\u8ba1\u7b97\u673a\u78c1\u76d8\u7684\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7528\u6237\u4f7f\u7528\u7684\u662f\u4e00\u53f0\u516c\u7528\u8ba1\u7b97\u673a\uff0c\u800c\u60a8\u4e0d\u5e0c\u671b\u628a Cookie \u5199\u5165\u8fd9\u79cd\u8ba1\u7b97\u673a\u7684\u78c1\u76d8\u4e0a\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528\u975e\u6c38\u4e45\u6027\u7684 Cookie\u3002<\/p>\n

\u60a8\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u628a Cookie \u6dfb\u52a0\u5230 Response.Cookies \u96c6\u5408\u4e2d\u3002\u4ee5\u4e0b\u793a\u4f8b\u4ecb\u7ecd\u4e86\u4e24\u79cd\u5b8c\u6210\u6b64\u4efb\u52a1\u7684\u65b9\u6cd5\uff1a<\/p>\n

Response.Cookies("userName").Value = "mike"
\nResponse.Cookies("userName").Expires = DateTime.Now.AddDays(1)
\nDim aCookie As New HttpCookie("lastVisit")
\naCookie.Value = DateTime.Now.ToString
\naCookie.Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies.Add(aCookie)
\n\u8be5\u793a\u4f8b\u5411 Cookies \u96c6\u5408\u4e2d\u6dfb\u52a0\u4e86\u4e24\u4e2a Cookie\uff0c\u4e00\u4e2a\u79f0\u4e3a“userName”\uff0c\u53e6\u4e00\u4e2a\u79f0\u4e3a“lastVisit”\u3002\u5bf9\u4e8e\u7b2c\u4e00\u4e2a Cookie\uff0c\u6211\u76f4\u63a5\u8bbe\u7f6e\u4e86 Response.Cookies \u96c6\u5408\u7684\u503c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u503c\uff0c\u56e0\u4e3a Response.Cookies \u662f\u4ece NameObjectCollectionBase\uff08\u82f1\u6587\uff09\u7c7b\u578b\u7684\u7279\u6b8a\u96c6\u5408\u6d3e\u751f\u5f97\u5230\u7684\u3002<\/p>\n

\u5bf9\u4e8e\u7b2c\u4e8c\u4e2a Cookie\uff0c\u6211\u521b\u5efa\u4e86 Cookie \u5bf9\u8c61\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff08HttpCookie [\u82f1\u6587] \u7c7b\u578b\uff09\uff0c\u5e76\u8bbe\u7f6e\u4e86\u5176\u5c5e\u6027\uff0c\u7136\u540e\u901a\u8fc7 Add \u65b9\u6cd5\u628a\u5b83\u6dfb\u52a0\u5230 Response.Cookies \u96c6\u5408\u3002\u5b9e\u4f8b\u5316 HttpCookie \u5bf9\u8c61\u65f6\uff0c\u60a8\u5fc5\u987b\u628a Cookie \u540d\u79f0\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u4f20\u9012\u3002<\/p>\n

\u8fd9\u4e24\u4e2a\u793a\u4f8b\u5b8c\u6210\u4e86\u76f8\u540c\u7684\u4efb\u52a1\uff0c\u5373\u5411\u6d4f\u89c8\u5668\u5199\u5165\u4e00\u4e2a Cookie\u3002\u60a8\u8981\u91c7\u7528\u54ea\u79cd\u65b9\u6cd5\u4e3b\u8981\u53d6\u51b3\u4e8e\u60a8\u7684\u4e2a\u4eba\u559c\u597d\u3002\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u5728\u8bbe\u7f6e Cookie \u5c5e\u6027\u65b9\u9762\u8981\u7a0d\u5fae\u5bb9\u6613\u4e00\u4e9b\uff0c\u4f46\u540c\u65f6\u60a8\u4e5f\u4f1a\u6ce8\u610f\u5230\u4e24\u8005\u7684\u5dee\u522b\u5e76\u4e0d\u662f\u5f88\u5927\u3002<\/p>\n

\u5728\u8fd9\u4e24\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6709\u6548\u671f\u503c\u5fc5\u987b\u4e3a DateTime \u7c7b\u578b\u3002\u800c“lastVisited”\u503c\u4e5f\u662f\u65e5\u671f\/\u65f6\u95f4\u503c\u3002\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u5fc5\u987b\u628a\u65e5\u671f\/\u65f6\u95f4\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3a Cookie \u4e2d\u7684\u4efb\u4f55\u503c\u6700\u7ec8\u90fd\u662f\u4ee5\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u4fdd\u5b58\u7684\u3002<\/p>\n

\u67e5\u770b\u60a8\u7684 Cookie
\n\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u4e86\u89e3\u521b\u5efa Cookie \u7684\u6548\u679c\u4f1a\u5bf9\u60a8\u5f88\u6709\u5e2e\u52a9\u3002\u800c\u67e5\u770b Cookie \u662f\u6bd4\u8f83\u5bb9\u6613\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u662f\u6587\u672c\u6587\u4ef6\uff0c\u5173\u952e\u5728\u4e8e\u60a8\u80fd\u627e\u5230\u5b83\u4eec\u3002\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u4fdd\u5b58 Cookie \u7684\u65b9\u5f0f\u4e5f\u4e0d\u540c\u3002\u6211\u5c06\u4ecb\u7ecd Internet Explorer \u662f\u5982\u4f55\u4fdd\u5b58 Cookie \u7684\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u5176\u4ed6\u6d4f\u89c8\u5668\uff0c\u8bf7\u67e5\u770b\u8be5\u6d4f\u89c8\u5668\u7684\u5e2e\u52a9\uff0c\u4ee5\u4e86\u89e3\u6709\u5173 Cookie \u5904\u7406\u65b9\u9762\u7684\u77e5\u8bc6\u3002<\/p>\n

\u67e5\u770b Cookie \u7684\u4e00\u4e2a\u7b80\u4fbf\u65b9\u6cd5\u662f\u8ba9 Internet Explorer \u4e3a\u60a8\u67e5\u627e\u3002\u5728 Internet Explorer \u4e2d\uff0c\u4ece“\u5de5\u5177”\u83dc\u5355\u4e2d\u9009\u62e9“Internet \u9009\u9879”\uff0c\u5728“\u5e38\u89c4”\u9009\u9879\u5361\u4e2d\u5355\u51fb“\u8bbe\u7f6e”\uff0c\u7136\u540e\u5355\u51fb“\u67e5\u770b\u6587\u4ef6”\u3002Internet Explorer \u5c06\u6253\u5f00\u4e00\u4e2a\u7a97\u53e3\uff0c\u663e\u793a\u6240\u6709\u7684\u4e34\u65f6\u6587\u4ef6\uff0c\u5305\u62ec Cookie\u3002\u5728\u7a97\u53e3\u4e2d\u67e5\u627e\u4ee5“Cookie:”\u5f00\u5934\u7684\u6587\u4ef6 \u6216\u67e5\u627e\u6587\u672c\u6587\u4ef6\u3002\u53cc\u51fb\u4e00\u4e2a Cookie\uff0c\u5728\u9ed8\u8ba4\u7684\u6587\u672c\u6587\u4ef6\u4e2d\u6253\u5f00\u5b83\u3002<\/p>\n

\u60a8\u4e5f\u53ef\u4ee5\u5728\u786c\u76d8\u4e0a\u67e5\u627e Cookie \u7684\u6587\u672c\u6587\u4ef6\uff0c\u4ece\u800c\u6253\u5f00 Cookie\u3002Internet Explorer \u5c06\u7ad9\u70b9\u7684 Cookie \u4fdd\u5b58\u5728\u6587\u4ef6\u540d\u683c\u5f0f\u4e3a <user>@<domain>.txt \u7684\u6587\u4ef6\u4e2d\uff0c\u5176\u4e2d <user> \u662f\u60a8\u7684\u5e10\u6237\u540d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u540d\u79f0\u4e3a mikepope\uff0c\u60a8\u8bbf\u95ee\u7684\u7ad9\u70b9\u4e3a www.3zha.com<\/a>\uff0c\u90a3\u4e48\u8be5\u7ad9\u70b9\u7684 Cookie \u5c06\u4fdd\u5b58\u5728\u540d\u4e3a mikepope@www.3zha.txt<\/a> \u7684\u6587\u4ef6\u4e2d\u3002\uff08\u8be5\u6587\u4ef6\u540d\u53ef\u80fd\u5305\u542b\u4e00\u4e2a\u987a\u5e8f\u7684\u7f16\u53f7\uff0c\u5982 mikepope@www.3zha[1].txt<\/a>\u3002\uff09<\/p>\n

\u8fd9\u4e2a Cookie \u6587\u672c\u6587\u4ef6\u662f\u4e0e\u7528\u6237\u76f8\u5173\u7684\uff0c\u6240\u4ee5\u4f1a\u6309\u7167\u5e10\u6237\u5206\u522b\u4fdd\u5b58\u3002\u4f8b\u5982\uff0c\u5728 Windows XP \u4e2d\uff0c\u60a8\u53ef\u4ee5\u5728\u5982\u4e0b\u6240\u793a\u7684\u76ee\u5f55\u4e2d\u627e\u5230 Cookie \u6587\u4ef6\uff1a<\/p>\n

c:\\Documents and Settings\\<user>\\Cookies
\n\u8981\u67e5\u627e\u6700\u65b0\u521b\u5efa\u7684 Cookie\uff0c\u53ef\u4ee5\u6309\u4fee\u6539\u65e5\u671f\u5bf9\u76ee\u5f55\u5185\u5bb9\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u67e5\u627e\u6700\u8fd1\u4fee\u6539\u7684\u6587\u4ef6\u3002<\/p>\n

\u60a8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00 Cookie\u3002\u5982\u679c\u8be5\u6587\u4ef6\u5305\u542b\u591a\u4e2a Cookie\uff0c\u8fd9\u4e9b Cookie \u4e4b\u95f4\u5c06\u7528\u661f\u53f7 (*) \u5206\u9694\u3002\u6bcf\u4e2a Cookie \u7684\u7b2c\u4e00\u884c\u662f Cookie \u7684\u540d\u79f0\uff0c\u7b2c\u4e8c\u884c\u662f\u503c\uff0c\u5176\u4f59\u5404\u884c\u5219\u5305\u542b Cookie \u7684\u65e5\u5e38\u5904\u7406\u4fe1\u606f\uff0c\u4f8b\u5982\u8fc7\u671f\u65e5\u671f\u548c\u65f6\u95f4\u3002Cookie \u4e2d\u8fd8\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u6821\u9a8c\u548c\uff0c\u5982\u679c\u66f4\u6539 Cookie \u540d\u79f0\u6216\u503c\u7684\u957f\u5ea6\uff0c\u6d4f\u89c8\u5668\u5c31\u4f1a\u68c0\u6d4b\u5230\u4fee\u6539\u5e76\u5220\u9664\u8be5 Cookie\u3002<\/p>\n

\u591a\u503c Cookie\uff08\u5b50\u952e\uff09
\n\u4ee5\u4e0a\u793a\u4f8b\u4e3a\u6bcf\u4e2a\u8981\u4fdd\u5b58\u7684\u503c\uff08\u7528\u6237\u540d\u3001\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\uff09\u90fd\u4f7f\u7528\u4e86\u4e00\u4e2a Cookie \u3002\u60a8\u4e5f\u53ef\u4ee5\u5728\u4e00\u4e2a Cookie \u4e2d\u4fdd\u5b58\u591a\u4e2a\u540d\u79f0\/\u503c\u5bf9\u3002\u540d\u79f0\/\u503c\u5bf9\u4e5f\u79f0\u4f5c“\u952e”\u6216“\u5b50\u952e”\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u8bfb\u53d6\u7684\u5185\u5bb9\u3002\uff08\u5982\u679c\u60a8\u719f\u6089 URL \u7684\u7ed3\u6784\uff0c\u5c31\u4f1a\u53d1\u73b0\u5b50\u952e\u4e0e\u5176\u4e2d\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u975e\u5e38\u76f8\u8c61\u3002\uff09 \u4f8b\u5982\uff0c\u5982\u679c\u4e0d\u5e0c\u671b\u521b\u5efa\u540d\u4e3a“userName”\u548c“lastVisit”\u7684\u4e24\u4e2a\u5355\u72ec\u7684 Cookie\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a“userInfo”\u7684 Cookie\uff0c\u5e76\u4f7f\u5176\u5305\u542b\u4e24\u4e2a\u5b50\u952e\uff1a“userName”\u548c“lastVisit”\u3002<\/p>\n

\u6709\u5f88\u591a\u539f\u56e0\u4f1a\u8ba9\u6211\u4eec\u7528\u5b50\u952e\u6765\u4ee3\u66ff\u5355\u72ec\u7684 Cookie\u3002\u6700\u663e\u800c\u6613\u89c1\u7684\u662f\uff0c\u628a\u76f8\u5173\u6216\u7c7b\u4f3c\u7684\u4fe1\u606f\u653e\u5728\u4e00\u4e2a Cookie \u4e2d\u4f1a\u6bd4\u8f83\u6709\u6761\u7406\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u6240\u6709\u4fe1\u606f\u90fd\u5728\u4e00\u4e2a Cookie \u4e2d\uff0c\u6240\u4ee5\u8bf8\u5982\u6709\u6548\u671f\u4e4b\u7c7b\u7684 Cookie \u5c5e\u6027\u5c31\u9002\u7528\u4e8e\u6240\u6709\u4fe1\u606f\u3002\uff08\u5f53\u7136\uff0c\u5982\u679c\u8981\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u4fe1\u606f\u6307\u5b9a\u4e0d\u540c\u7684\u8fc7\u671f\u65e5\u671f\uff0c\u5c31\u5e94\u8be5\u628a\u4fe1\u606f\u4fdd\u5b58\u5728\u5355\u72ec\u7684 Cookie \u4e2d\u3002\uff09<\/p>\n

\u5e26\u6709\u5b50\u952e\u7684 Cookie \u8fd8\u53ef\u4ee5\u5e2e\u52a9\u60a8\u51cf\u5c0f Cookie \u7684\u5927\u5c0f\u3002\u5982\u524d\u9762\u7684 Cookie \u7684\u9650\u5236\u4e00\u8282\u6240\u8ff0\uff0cCookie \u7684\u603b\u5927\u5c0f\u9650\u5236\u5728 4096 \u5b57\u8282\u4ee5\u5185\uff0c\u800c\u4e14\u4e0d\u80fd\u4e3a\u4e00\u4e2a\u7f51\u7ad9\u4fdd\u5b58\u8d85\u8fc7 20 \u4e2a Cookie\u3002\u5229\u7528\u5e26\u5b50\u952e\u7684\u5355\u4e2a Cookie\uff0c\u7ad9\u70b9\u7684 Cookie \u6570\u91cf\u5c31\u4e0d\u4f1a\u8d85\u8fc7 20 \u4e2a\u7684\u9650\u5236\u3002\u6b64\u5916\uff0c\u4e00\u4e2a Cookie \u4f1a\u5360\u7528\u5927\u7ea6 50 \u4e2a\u5b57\u7b26\u7684\u57fa\u672c\u7a7a\u95f4\u5f00\u9500\uff08\u7528\u4e8e\u4fdd\u5b58\u6709\u6548\u671f\u4fe1\u606f\u7b49\uff09\uff0c\u518d\u52a0\u4e0a\u5176\u4e2d\u4fdd\u5b58\u7684\u503c\u7684\u957f\u5ea6\uff0c\u5176\u603b\u548c\u63a5\u8fd1 4K \u7684\u9650\u5236\u3002\u5982\u679c\u4f7f\u7528\u4e94\u4e2a\u5b50\u952e\u800c\u4e0d\u662f\u4e94\u4e2a\u5355\u72ec\u7684 Cookie\uff0c\u60a8\u53ef\u4ee5\u7701\u53bb\u56db\u4e2a Cookie \u7684\u57fa\u672c\u7a7a\u95f4\u5f00\u9500\uff0c\u603b\u5171\u80fd\u8282\u7701\u5927\u7ea6 200 \u4e2a\u5b57\u8282\u3002<\/p>\n

\u8981\u521b\u5efa\u5e26\u5b50\u952e\u7684 Cookie\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7528\u4e8e\u7f16\u5199\u5355\u4e2a Cookie \u7684\u5404\u79cd\u8bed\u6cd5\u3002\u4ee5\u4e0b\u793a\u4f8b\u663e\u793a\u4e86\u7f16\u5199\u540c\u4e00 Cookie \u7684\u4e24\u79cd\u4e0d\u540c\u65b9\u6cd5\uff0c\u5176\u4e2d\u7684\u6bcf\u4e2a Cookie \u90fd\u5e26\u6709\u4e24\u4e2a\u5b50\u952e\uff1a<\/p>\n

Response.Cookies("userInfo")("userName") = "mike"
\nResponse.Cookies("userInfo")("lastVisit") = DateTime.Now.ToString
\nResponse.Cookies("userInfo").Expires = DateTime.Now.AddDays(1)
\nDim aCookie As New HttpCookie("userInfo")
\naCookie.Values("userName") = "mike"
\naCookie.Values("lastVisit") = DateTime.Now.ToString
\naCookie.Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies.Add(aCookie)
\n\u63a7\u5236 Cookie \u6709\u6548\u8303\u56f4
\n\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u7ad9\u70b9\u7684\u5168\u90e8 Cookie \u90fd\u4e00\u8d77\u4fdd\u5b58\u5728\u5ba2\u6237\u673a\u4e0a\uff0c\u800c\u4e14\u6240\u6709\u8fd9\u4e9b Cookie \u90fd\u4f1a\u968f\u7740\u5bf9\u8be5\u7ad9\u70b9\u53d1\u9001\u7684\u8bf7\u6c42\u4e00\u8d77\u53d1\u9001\u5230\u670d\u52a1\u5668\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u7ad9\u70b9\u7684\u6bcf\u4e2a\u9875\u9762\u90fd\u80fd\u5f97\u5230\u8be5\u7ad9\u70b9\u7684\u6240\u6709 Cookie\u3002\u4f46\u6709\u65f6\u5019\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b Cookie \u66f4\u5177\u6709\u9488\u5bf9\u6027\uff0c\u8fd9\u65f6\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u6cd5\u8bbe\u7f6e Cookie \u7684\u6709\u6548\u8303\u56f4\uff1a<\/p>\n

\u628a Cookie \u7684\u6709\u6548\u8303\u56f4\u9650\u5236\u5728\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u4e2a\u6587\u4ef6\u5939\u4e2d\uff0c\u5b9e\u9645\u4e0a\u8fd9\u6837\u5c31\u5c06 Cookie \u9650\u5236\u5230\u7ad9\u70b9\u4e0a\u7684\u67d0\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002
\n\u628a\u6709\u6548\u8303\u56f4\u8bbe\u7f6e\u4e3a\u67d0\u4e2a\u57df\uff0c\u4ece\u800c\u5141\u8bb8\u60a8\u6307\u5b9a\u57df\u4e2d\u7684\u54ea\u4e9b\u5b50\u57df\u53ef\u4ee5\u8bbf\u95ee Cookie\u3002
\n\u5c06 Cookie \u9650\u5236\u5230\u67d0\u4e2a\u6587\u4ef6\u5939\u6216\u5e94\u7528\u7a0b\u5e8f
\n\u8981\u5c06 Cookie \u9650\u5236\u5230\u670d\u52a1\u5668\u4e0a\u7684\u67d0\u4e2a\u6587\u4ef6\u5939\uff0c\u8bf7\u6309\u5982\u4e0b\u65b9\u6cd5\u8bbe\u7f6e Cookie \u7684 Path \u5c5e\u6027\uff1a<\/p>\n

Dim appCookie As New HttpCookie("AppCookie")
\nappCookie.Value = "written " & Now.ToString
\nappCookie.Expires = Now.AddDays(1)
\nappCookie.Path = "\/Application1"
\nResponse.Cookies.Add(appCookie)
\n\u5f53\u7136\uff0c\u60a8\u4e5f\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8bbe\u7f6e Response.Cookies \u6765\u7f16\u5199 Cookie\uff0c\u5982\u524d\u6587\u6240\u8ff0\u3002<\/p>\n

\u8def\u5f84\u53ef\u4ee5\u662f\u7ad9\u70b9\u6839\u76ee\u5f55\u4e0b\u7684\u7269\u7406\u8def\u5f84\uff0c\u4e5f\u53ef\u4ee5\u662f\u865a\u62df\u6839\u76ee\u5f55\u3002\u8fd9\u6837\u4e00\u6765\uff0cCookie \u5c31\u53ea\u80fd\u7528\u4e8e Application1 \u6587\u4ef6\u5939\u6216\u865a\u62df\u6839\u76ee\u5f55\u4e2d\u7684\u9875\u9762\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u7ad9\u70b9\u540d\u4e3a www.3zha.com<\/a>\uff0c\u5219\u524d\u9762\u793a\u4f8b\u4e2d\u751f\u6210\u7684 Cookie \u5c31\u53ea\u80fd\u7528\u4e8e\u8def\u5f84\u4e3a http:\/\/www.3zha.com\/Application1\/<\/a> \u7684\u9875\u9762\u4ee5\u53ca\u8be5\u6587\u4ef6\u5939\u4e0b\u7684\u6240\u6709\u9875\u9762\uff0c\u800c\u4e0d\u9002\u7528\u4e8e\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u9875\u9762\uff0c\u5982 http:\/\/www.3zha.com\/Application2\/<\/a> \u6216 http:\/\/www.3zha.com\/<\/a> \u4e0b\u7684\u9875\u9762\u3002<\/p>\n

\u63d0\u793a\uff1a\u901a\u8fc7\u5bf9 Internet Explorer \u548c Mozilla \u6d4f\u89c8\u5668\u8fdb\u884c\u6d4b\u8bd5\u53d1\u73b0\uff0c\u6b64\u5904\u4f7f\u7528\u7684\u8def\u5f84\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\u3002\u4e00\u822c\u800c\u8a00\uff0cWindows \u670d\u52a1\u5668\u4e0a\u7684 URL \u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff0c\u4f46\u8fd9\u79cd\u60c5\u51b5\u4f8b\u5916\u3002\u60a8\u65e0\u6cd5\u63a7\u5236\u7528\u6237\u5982\u4f55\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165 URL\uff0c\u4f46\u662f\uff0c\u5982\u679c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u4e8e\u4e0e\u7279\u5b9a\u8def\u5f84\u76f8\u5173\u7684 Cookie\uff0c\u5219\u8bf7\u786e\u4fdd\u60a8\u6240\u521b\u5efa\u7684\u6240\u6709\u8d85\u94fe\u63a5\u4e2d\u7684 URL \u4e0e Path \u5c5e\u6027\u503c\u7684\u5927\u5c0f\u5199\u76f8\u5339\u914d\u3002
\n\u5c06 Cookie \u7684\u6709\u6548\u8303\u56f4\u9650\u5236\u5230\u57df
\n\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cCookie \u4e0e\u7279\u5b9a\u7684\u57df\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u7ad9\u70b9\u662f www.3zha.com<\/a>\uff0c\u90a3\u4e48\u5f53\u7528\u6237\u5411\u8be5\u7ad9\u70b9\u8bf7\u6c42\u9875\u9762\u65f6\uff0c\u60a8\u7f16\u5199\u7684 Cookie \u5c31\u88ab\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\uff08\u6709\u7279\u5b9a\u8def\u5f84\u503c\u7684 Cookie \u9664\u5916\uff0c\u6211\u5728\u4e0a\u4e00\u8282\u521a\u521a\u89e3\u91ca\u8fc7\u3002\uff09 \u5982\u679c\u60a8\u7684\u7ad9\u70b9\u6709\u5b50\u57df\uff08\u4f8b\u5982 3zha.com\u3001sales.3zha.com \u548c support.3zha.com\uff09\uff0c\u5c31\u53ef\u4ee5\u628a Cookie \u540c\u7279\u5b9a\u7684\u5b50\u57df\u76f8\u5173\u8054\u3002\u4e3a\u6b64\uff0c\u9700\u8981\u8bbe\u7f6e Cookie \u7684 Domain \u5c5e\u6027\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

Response.Cookies("domain").Value = DateTime.Now.ToString
\nResponse.Cookies("domain").Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies("domain").Domain = "support.3zha.com"
\n\u5982\u679c\u6309\u7167\u8fd9\u79cd\u65b9\u5f0f\u8bbe\u7f6e\u57df\uff0c\u5219 Cookie \u53ea\u80fd\u7528\u4e8e\u6307\u5b9a\u5b50\u57df\u4e2d\u7684\u9875\u9762\u3002<\/p>\n

\u60a8\u4e5f\u53ef\u4ee5\u5229\u7528 Domain \u5c5e\u6027\u6765\u521b\u5efa\u53ef\u5728\u591a\u4e2a\u5b50\u57df\u4e2d\u5171\u4eab\u7684 Cookie\u3002\u4f8b\u5982\uff0c\u5bf9\u57df\u8fdb\u884c\u5982\u4e0b\u8bbe\u7f6e\uff1a<\/p>\n

Response.Cookies("domain").Value = DateTime.Now.ToString
\nResponse.Cookies("domain").Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies("domain").Domain = "3zha.com"
\n\u8fd9\u6837\uff0c\u8be5 Cookie \u5c31\u53ef\u7528\u4e8e\u4e3b\u57df\u3001sales.3zha.com \u548c support.3zha.com\u3002<\/p>\n

\u8bfb\u53d6 Cookie
\n\u5f53\u6d4f\u89c8\u5668\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u65f6\uff0c\u8be5\u670d\u52a1\u5668\u7684 Cookie \u4f1a\u4e0e\u8bf7\u6c42\u4e00\u8d77\u53d1\u9001\u3002\u5728 ASP.NET \u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Request \u5bf9\u8c61\u6765\u8bfb\u53d6 Cookie\u3002Request \u5bf9\u8c61\u7684\u7ed3\u6784\u4e0e Response \u5bf9\u8c61\u7684\u7ed3\u6784\u57fa\u672c\u76f8\u540c\uff0c\u6240\u4ee5\u4ece Request \u5bf9\u8c61\u4e2d\u8bfb\u53d6 Cookie \u7684\u65b9\u6cd5\u4e0e\u5411 Response \u5bf9\u8c61\u4e2d\u5199\u5165 Cookie \u7684\u65b9\u6cd5\u975e\u5e38\u7c7b\u4f3c\u3002\u4ee5\u4e0b\u793a\u4f8b\u663e\u793a\u4e86\u4e24\u79cd\u65b9\u6cd5\uff0c\u76ee\u7684\u90fd\u662f\u83b7\u53d6\u540d\u4e3a“username”\u7684 Cookie \u7684\u503c\u5e76\u5c06\u503c\u663e\u793a\u5728 Label \u63a7\u4ef6\u4e2d\uff1a<\/p>\n

If Not Request.Cookies("userName") Is Nothing Then
\nLabel1.Text = Server.HtmlEncode(Request.Cookies("userName").Value)
\nEnd If
\nIf Not Request.Cookies("userName") Is Nothing Then
\nDim aCookie As HttpCookie = Request.Cookies("userName")
\nLabel1.Text = Server.HtmlEncode(aCookie.Value)
\nEnd If
\n\u5728\u83b7\u53d6 Cookie \u7684\u503c\u4e4b\u524d\uff0c\u5e94\u8be5\u786e\u4fdd\u8be5 Cookie \u786e\u5b9e\u5b58\u5728\u3002\u5426\u5219\uff0c\u60a8\u5c06\u5f97\u5230\u4e00\u4e2a System.NullReferenceException\uff08\u82f1\u6587\uff09\u5f02\u5e38\u3002\u8fd8\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u9875\u9762\u4e2d\u663e\u793a Cookie \u7684\u5185\u5bb9\u4e4b\u524d\uff0c\u6211\u8c03\u7528\u4e86 HttpServerUtility.HtmlEncode\uff08\u82f1\u6587\uff09\u65b9\u6cd5\u5bf9 Cookie \u7684\u5185\u5bb9\u8fdb\u884c\u7f16\u7801\u3002\u4e4b\u6240\u4ee5\u8fd9\u6837\u505a\uff0c\u662f\u56e0\u4e3a\u6211\u8981\u663e\u793a Cookie \u7684\u5185\u5bb9\uff08\u4e00\u822c\u60a8\u4e0d\u4f1a\u8fd9\u6837\u505a\uff09\u800c\u4e14\u8981\u786e\u4fdd\u6ca1\u6709\u4efb\u4f55\u6076\u610f\u7528\u6237\u5728 Cookie \u4e2d\u6dfb\u52a0\u4e86\u53ef\u6267\u884c\u811a\u672c\u3002\u6709\u5173 Cookie \u5b89\u5168\u6027\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Cookie \u548c\u5b89\u5168\u6027\u3002<\/p>\n

\u6ce8\u610f\uff1a\u7531\u4e8e\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u4fdd\u5b58 Cookie \u7684\u65b9\u5f0f\u4e5f\u4e0d\u540c\uff0c\u6240\u4ee5\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u7684\u4e0d\u540c\u6d4f\u89c8\u5668\u4e0d\u4e00\u5b9a\u80fd\u591f\u76f8\u4e92\u8bfb\u53d6\u5404\u81ea\u7684 Cookie\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f7f\u7528 Internet Explorer \u6d4b\u8bd5\u4e00\u4e2a\u9875\u9762\uff0c\u7136\u540e\u518d\u4f7f\u7528\u5176\u4ed6\u6d4f\u89c8\u5668\u8fdb\u884c\u6d4b\u8bd5\uff0c\u90a3\u4e48\u540e\u8005\u5c31\u4e0d\u4f1a\u627e\u5230 Internet Explorer \u4fdd\u5b58\u7684 Cookie\u3002\u5f53\u7136\uff0c\u5927\u591a\u6570\u4eba\u4e00\u822c\u90fd\u662f\u4f7f\u7528\u540c\u4e00\u79cd\u6d4f\u89c8\u5668\u8fdb\u884c Web \u4ea4\u4e92\u7684\uff0c\u56e0\u6b64\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\u3002\u4f46\u6709\u65f6\u8fd8\u662f\u4f1a\u9047\u5230\u95ee\u9898\uff0c\u6bd4\u5982\u60a8\u8981\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u5bf9\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u6027\u3002
\n\u8bfb\u53d6 Cookie \u4e2d\u5b50\u952e\u503c\u7684\u65b9\u6cd5\u4e0e\u8bbe\u7f6e\u8be5\u503c\u7684\u65b9\u6cd5\u7c7b\u4f3c\u3002\u4ee5\u4e0b\u662f\u83b7\u53d6\u5b50\u952e\u503c\u7684\u4e00\u79cd\u65b9\u6cd5\uff1a<\/p>\n

If Not Request.Cookies("userInfo") Is Nothing Then
\nLabel1.Text = _
\nServer.HtmlEncode(Request.Cookies("userInfo")("userName"))
\nLabel2.text = _
\nServer.HtmlEncode(Request.Cookies("userInfo")("lastVisit"))
\nEnd If
\n\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u83b7\u53d6\u7684\u662f\u5b50\u952e“lastVist”\u7684\u503c\uff0c\u5728\u6b64\u524d\u7684\u8ba8\u8bba\u4e2d\u6211\u628a\u8be5\u503c\u8bbe\u7f6e\u4e3a DateTime \u503c\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002\u8bf7\u8bb0\u4f4f\uff0cCookie \u662f\u7528\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u4fdd\u5b58\u503c\u7684\uff0c\u6240\u4ee5\u8981\u5c06 lastVisit \u503c\u7528\u4f5c\u65e5\u671f\uff0c\u5c31\u5fc5\u987b\u5bf9\u5176\u8fdb\u884c\u8f6c\u6362\uff1a<\/p>\n

Dim dt As DateTime
\ndt = CDate(Request.Cookies("userInfo")("lastVisit"))
\nCookie \u4e2d\u5b50\u952e\u7684\u7c7b\u578b\u662f NameValueCollection\uff08\u82f1\u6587\uff09\u7c7b\u578b\u7684\u96c6\u5408\u3002\u56e0\u6b64\uff0c\u53e6\u4e00\u79cd\u83b7\u53d6\u5355\u4e2a\u5b50\u952e\u7684\u65b9\u6cd5\u662f\u5148\u83b7\u53d6\u5b50\u952e\u96c6\u5408\uff0c\u7136\u540e\u6309\u540d\u79f0\u63d0\u53d6\u5b50\u952e\u7684\u503c\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

If Not Request.Cookies("userInfo") Is Nothing Then
\nDim UserInfoCookieCollection As _
\nSystem.Collections.Specialized.NameValueCollection
\nUserInfoCookieCollection = Request.Cookies("userInfo").Values
\nLabel1.Text = Server.HtmlEncode(UserInfoCookieCollection("userName"))
\nLabel2.Text = Server.HtmlEncode(UserInfoCookieCollection("lastVisit"))
\nEnd If
\n\u5c31\u50cf\u8bbe\u7f6e Cookie \u4e00\u6837\uff0c\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\u8bfb\u53d6 Cookie \u4e5f\u7531\u60a8\u81ea\u5df1\u51b3\u5b9a\u3002<\/p>\n

\u4ec0\u4e48\u662f\u6709\u6548\u671f\uff1f
\n\u60a8\u53ef\u4ee5\u8bfb\u53d6 Cookie \u7684\u540d\u79f0\u548c\u503c\uff0c\u9664\u6b64\u4ee5\u5916\uff0c\u9700\u8981\u4e86\u89e3\u7684\u6709\u5173 Cookie \u7684\u4fe1\u606f\u5e76\u4e0d\u662f\u5f88\u591a\u3002\u867d\u7136\u60a8\u53ef\u4ee5\u83b7\u53d6 Domain \u548c Path \u5c5e\u6027\uff0c\u4f46\u662f\u8fd9\u4e9b\u5c5e\u6027\u7684\u7528\u9014\u5f88\u6709\u9650\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8bfb\u53d6 Domain \u5c5e\u6027\uff0c\u4f46\u5982\u679c\u60a8\u7684\u9875\u9762\u4e0e Cookie \u4e0d\u5728\u76f8\u540c\u7684\u57df\uff0c\u60a8\u6839\u672c\u5c31\u4e0d\u4f1a\u5728\u9875\u9762\u7684\u4f4d\u7f6e\u63a5\u6536\u5230\u8be5 Cookie\u3002<\/p>\n

\u60a8\u65e0\u6cd5\u8bfb\u53d6\u7684\u662f Cookie \u7684\u8fc7\u671f\u65e5\u671f\u548c\u65f6\u95f4\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5f53\u6d4f\u89c8\u5668\u5411\u670d\u52a1\u5668\u53d1\u9001 Cookie \u4fe1\u606f\u65f6\uff0c\u6d4f\u89c8\u5668\u5e76\u672a\u5c06\u8fc7\u671f\u4fe1\u606f\u5305\u62ec\u5728\u5185\u3002\u60a8\u53ef\u4ee5\u8bfb\u53d6 Expires \u5c5e\u6027\uff0c\u4f46\u603b\u662f\u8fd4\u56de\u4e3a\u96f6\u7684\u65e5\u671f\/\u65f6\u95f4\u503c\u3002<\/p>\n

\u5728\u524d\u9762\u7684\u7f16\u5199 Cookie \u4e00\u8282\u4e2d\uff0c\u6211\u5df2\u7ecf\u8bb2\u8fc7\uff0c\u662f\u6d4f\u89c8\u5668\u8d1f\u8d23\u7ba1\u7406 Cookie \u7684\uff0cExpires \u5c5e\u6027\u5c31\u5f88\u597d\u5730\u5370\u8bc1\u4e86\u8fd9\u4e00\u70b9\u3002Expires \u5c5e\u6027\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5e2e\u52a9\u6d4f\u89c8\u5668\u6267\u884c\u6709\u5173 Cookie \u4fdd\u5b58\u7684\u65e5\u5e38\u7ba1\u7406\u3002\u4ece\u670d\u52a1\u5668\u7684\u89d2\u5ea6\u6765\u770b\uff0cCookie \u8981\u4e48\u5b58\u5728\u8981\u4e48\u4e0d\u5b58\u5728\uff0c\u6240\u4ee5\u5bf9\u670d\u52a1\u5668\u800c\u8a00\uff0c\u6709\u6548\u671f\u5e76\u4e0d\u662f\u6709\u7528\u7684\u4fe1\u606f\u3002\u6240\u4ee5\uff0c\u6d4f\u89c8\u5668\u5728\u53d1\u9001 Cookie \u65f6\u5e76\u4e0d\u63d0\u4f9b\u6b64\u4fe1\u606f\u3002\u5982\u679c\u60a8\u9700\u8981 Cookie \u7684\u8fc7\u671f\u65e5\u671f\uff0c\u5c31\u5fc5\u987b\u91cd\u65b0\u8bbe\u7f6e\uff0c\u5173\u4e8e\u8fd9\u4e00\u70b9\u6211\u5c06\u5728\u4fee\u6539\u548c\u5220\u9664 Cookie \u4e2d\u4ecb\u7ecd\u3002<\/p>\n

\u66f4\u786e\u5207\u5730\u8bf4\uff0c\u60a8\u53ef\u4ee5\u5728\u5411\u6d4f\u89c8\u5668\u53d1\u9001 Cookie \u4e4b\u524d\u8bfb\u53d6\u5df2\u5728 Response \u5bf9\u8c61\u4e2d\u8bbe\u7f6e\u7684 Expires \u5c5e\u6027\uff0c\u4f46\u60a8\u65e0\u6cd5\u4ece\u8fd4\u56de\u7684 Request \u5bf9\u8c61\u4e2d\u83b7\u53d6\u6709\u6548\u671f\u4fe1\u606f\u3002<\/p>\n

\u8bfb\u53d6 Cookie \u96c6\u5408
\n\u524d\u9762\u7684\u793a\u4f8b\u5047\u8bbe\u60a8\u8981\u8bfb\u53d6\u540d\u79f0\u5df2\u77e5\u7684 Cookie\u3002\u6709\u65f6\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u8bfb\u53d6\u53ef\u4f9b\u9875\u9762\u4f7f\u7528\u7684\u6240\u6709 Cookie\u3002\u8981\u8bfb\u53d6\u53ef\u4f9b\u9875\u9762\u4f7f\u7528\u7684\u6240\u6709 Cookie \u7684\u540d\u79f0\u548c\u503c\uff0c\u60a8\u53ef\u4ee5\u5229\u7528\u5982\u4e0b\u4ee3\u7801\u904d\u5386 Request.Cookies \u96c6\u5408\uff1a<\/p>\n

Dim i As Integer
\nDim output As String = ""
\nDim aCookie As HttpCookie
\nFor i = 0 to Request.Cookies.Count – 1
\naCookie = Request.Cookies(i)
\noutput &= "Cookie \u540d\u79f0 = " & Server.HtmlEncode(aCookie.Name) & "<br>"
\noutput &= "Cookie \u503c = " & Server.HtmlEncode(aCookie.Value) & _
\n& "<br><br>"
\nNext
\nLabel1.Text = output
\n\u6ce8\u610f\uff1a\u8fd0\u884c\u6b64\u4ee3\u7801\u65f6\uff0c\u60a8\u5f88\u53ef\u80fd\u4f1a\u770b\u5230\u4e00\u4e2a\u540d\u4e3a“ASP.NET_SessionId”\u7684 Cookie\uff0cASP.NET \u7528\u8fd9\u4e2a Cookie \u6765\u4fdd\u5b58\u60a8\u7684\u4f1a\u8bdd\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002\u8fd9\u4e2a\u4f1a\u8bdd Cookie \u4e0d\u4f1a\u6c38\u4e45\u4fdd\u5b58\u5230\u60a8\u7684\u786c\u76d8\u4e0a\u3002\u6709\u5173\u4f1a\u8bdd Cookie \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u672c\u6587\u540e\u9762\u7684 Cookie \u548c\u4f1a\u8bdd\u72b6\u6001\u3002
\n\u524d\u9762\u7684\u793a\u4f8b\u6709\u4e00\u4e2a\u9650\u5236\uff1a\u5982\u679c Cookie \u6709\u5b50\u952e\uff0c\u5c31\u4f1a\u4ee5\u4e00\u4e2a\u5355\u72ec\u7684\u540d\u79f0\/\u503c\u5b57\u7b26\u4e32\u6765\u663e\u793a\u5b50\u952e\u3002Cookie \u7684 HasKeys\uff08\u82f1\u6587\uff09\u5c5e\u6027\u53ef\u4ee5\u544a\u8bc9\u60a8\u8be5 Cookie \u662f\u5426\u6709\u5b50\u952e\u3002\u5982\u679c\u6709\u5b50\u952e\uff0c\u60a8\u53ef\u4ee5\u5728\u5b50\u952e\u96c6\u5408\u4e2d\u5411\u4e0b\u94bb\u53d6\uff0c\u83b7\u53d6\u5404\u4e2a\u5b50\u952e\u7684\u540d\u79f0\u548c\u503c\u3002<\/p>\n

\u5982\u524d\u6587\u6240\u8ff0\uff0c\u60a8\u53ef\u4ee5\u4ece Cookie \u5c5e\u6027 Values\uff08\u82f1\u6587\uff09\u4e2d\u83b7\u53d6\u6709\u5173\u5b50\u952e\u7684\u4fe1\u606f\uff0c\u8be5\u5c5e\u6027\u662f\u7c7b\u578b NameValueCollection \u7684\u96c6\u5408\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u7d22\u5f15\u503c\u4ece Values \u96c6\u5408\u4e2d\u76f4\u63a5\u8bfb\u53d6\u5b50\u952e\u503c\u3002\u76f8\u5e94\u7684\u5b50\u952e\u503c\u53ef\u4ee5\u4ece Values \u96c6\u5408\u7684\u6210\u5458 AllKeys\uff08\u82f1\u6587\uff09\u4e2d\u5f97\u5230\uff0c\u8be5\u6210\u5458\u5c06\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u96c6\u5408\u3002<\/p>\n

\u4ee5\u4e0b\u793a\u4f8b\u662f\u5bf9\u524d\u4e00\u793a\u4f8b\u7684\u4fee\u6539\u3002\u793a\u4f8b\u4e2d\u4f7f\u7528 HasKeys \u5c5e\u6027\u6765\u6d4b\u8bd5\u5b50\u952e\uff0c\u5982\u679c\u68c0\u6d4b\u5230\u5b50\u952e\uff0c\u5c31\u4ece Values \u96c6\u5408\u4e2d\u83b7\u53d6\u5b50\u952e\uff1a<\/p>\n

Dim i As Integer
\nDim j As Integer
\nDim output As String = ""
\nDim aCookie As HttpCookie
\nDim subkeyName As String
\nDim subkeyValue As String
\nFor i = 0 To Request.Cookies.Count – 1
\naCookie = Request.Cookies(i)
\noutput &= "\u540d\u79f0 = " & aCookie.Name & "<br>"
\n   If aCookie.HasKeys Then
\n      For j = 0 To aCookie.Values.Count – 1
\n         subkeyName = Server.HtmlEncode(aCookie.Values.AllKeys(j))
\n         subkeyValue = Server.HtmlEncode(aCookie.Values(j))
\n         output &= "\u5b50\u952e\u540d\u79f0 = " & subkeyName & "<br>"
\n         output &= "\u5b50\u952e\u503c = " & subkeyValue & "<br><br>"
\n     Next
\n   Else
\noutput &= "\u503c = " & Server.HtmlEncode(aCookie.Value) & "<br><br>"
\nEnd If
\nNext
\nLabel1.Text = output
\n\u60a8\u4e5f\u53ef\u4ee5\u628a\u5b50\u952e\u4f5c\u4e3a NameValueCollection \u5bf9\u8c61\u8fdb\u884c\u63d0\u53d6\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

If aCookie.HasKeys Then
\n   Dim CookieValues As _
\n      System.Collections.Specialized.NameValueCollection = aCookie.Values
\n   Dim CookieValueNames() As String = CookieValues.AllKeys
\n   For j = 0 To CookieValues.Count – 1
\n      subkeyName = Server.HtmlEncode(CookieValueNames(j))
\n      subkeyValue = Server.HtmlEncode(CookieValues(j))
\noutput &= "\u5b50\u952e\u540d\u79f0 = " & subkeyName  & "<br>"
\noutput &= "\u5b50\u952e\u503c = " & subkeyValue & "<br><br>"
\nNext
\nElse
\noutput &= "\u503c = " & aCookie.Value & "<br><br>"
\nEnd If
\n\u6ce8\u610f\uff1a\u8bf7\u8bb0\u4f4f\uff0c\u6211\u4e4b\u6240\u4ee5\u8c03\u7528 Server.HtmlEncode \u65b9\u6cd5\uff0c\u53ea\u662f\u56e0\u4e3a\u6211\u8981\u5728\u9875\u9762\u4e0a\u663e\u793a Cookie \u7684\u503c\u3002\u5982\u679c\u60a8\u53ea\u662f\u6d4b\u8bd5 Cookie \u7684\u503c\uff0c\u5c31\u4e0d\u5fc5\u5728\u4f7f\u7528\u524d\u5bf9\u5176\u8fdb\u884c\u7f16\u7801\u3002
\n\u4fee\u6539\u548c\u5220\u9664 Cookie
\n\u6709\u65f6\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4fee\u6539\u67d0\u4e2a Cookie\uff0c\u66f4\u6539\u5176\u503c\u6216\u5ef6\u957f\u5176\u6709\u6548\u671f\u3002\uff08\u8bf7\u8bb0\u4f4f\uff0c\u7531\u4e8e\u6d4f\u89c8\u5668\u4e0d\u4f1a\u628a\u6709\u6548\u671f\u4fe1\u606f\u4f20\u9012\u5230\u670d\u52a1\u5668\uff0c\u6240\u4ee5\u60a8\u65e0\u6cd5\u8bfb\u53d6 Cookie \u7684\u8fc7\u671f\u65e5\u671f\u3002\uff09<\/p>\n

\u5f53\u7136\uff0c\u5b9e\u9645\u4e0a\u60a8\u5e76\u4e0d\u662f\u76f4\u63a5\u66f4\u6539 Cookie\u3002\u5c3d\u7ba1\u60a8\u53ef\u4ee5\u4ece Request.Cookies \u96c6\u5408\u4e2d\u83b7\u53d6 Cookie \u5e76\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f46 Cookie \u672c\u8eab\u4ecd\u7136\u5b58\u5728\u4e8e\u7528\u6237\u786c\u76d8\u4e0a\u7684\u67d0\u4e2a\u5730\u65b9\u3002\u56e0\u6b64\uff0c\u4fee\u6539\u67d0\u4e2a Cookie \u5b9e\u9645\u4e0a\u662f\u6307\u7528\u65b0\u7684\u503c\u521b\u5efa\u65b0\u7684 Cookie\uff0c\u5e76\u628a\u8be5 Cookie \u53d1\u9001\u5230\u6d4f\u89c8\u5668\uff0c\u8986\u76d6\u5ba2\u6237\u673a\u4e0a\u65e7\u7684 Cookie\u3002<\/p>\n

\u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u4e86\u5982\u4f55\u66f4\u6539\u7528\u4e8e\u50a8\u5b58\u7ad9\u70b9\u8bbf\u95ee\u6b21\u6570\u7684 Cookie \u7684\u503c\uff1a<\/p>\n

Dim counter As Integer
\nIf Request.Cookies("counter") Is Nothing Then
\ncounter = 0
\nElse
\ncounter = CInt(Request.Cookies("counter").Value)
\nEnd If
\ncounter += 1
\nResponse.Cookies("counter").Value = counter.ToString
\nResponse.Cookies("counter").Expires = DateTime.Now.AddDays(1)
\n\u6216\u8005\uff1a<\/p>\n

Dim ctrCookie As HttpCookie
\nDim counter As Integer
\nIf Request.Cookies("counter") Is Nothing Then
\nctrCookie = New HttpCookie("counter")
\nElse
\nctrCookie = Request.Cookies("counter")
\nEnd If
\ncounter = CInt(ctrCookie.Value) + 1
\nctrCookie.Value = counter.ToString
\nctrCookie.Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies.Add(ctrCookie)
\n\u5220\u9664 Cookie
\n\u5220\u9664 Cookie\uff08\u5373\u628a\u8be5 Cookie \u4ece\u7528\u6237\u7684\u786c\u76d8\u4e0a\u7269\u7406\u5220\u9664\uff09\u662f\u4fee\u6539 Cookie \u7684\u4e00\u79cd\u5f62\u5f0f\u3002\u7531\u4e8e Cookie \u4f4d\u4e8e\u7528\u6237\u7684\u8ba1\u7b97\u673a\u4e2d\uff0c\u6240\u4ee5\u60a8\u65e0\u6cd5\u76f4\u63a5\u5c06\u5176\u5220\u9664\u3002\u4f46\u662f\uff0c\u60a8\u53ef\u4ee5\u8ba9\u6d4f\u89c8\u5668\u4e3a\u60a8\u5220\u9664 Cookie\u3002\u4fee\u6539 Cookie \u7684\u65b9\u6cd5\u524d\u9762\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\uff08\u5373\u7528\u76f8\u540c\u7684\u540d\u79f0\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Cookie\uff09\uff0c\u4e0d\u540c\u7684\u662f\u5c06\u5176\u6709\u6548\u671f\u8bbe\u7f6e\u4e3a\u8fc7\u53bb\u7684\u67d0\u4e2a\u65e5\u671f\u3002\u5f53\u6d4f\u89c8\u5668\u68c0\u67e5 Cookie \u7684\u6709\u6548\u671f\u65f6\uff0c\u5c31\u4f1a\u5220\u9664\u8fd9\u4e2a\u5df2\u8fc7\u671f\u7684 Cookie\u3002<\/p>\n

\u6240\u4ee5\uff0c\u5220\u9664 Cookie \u7684\u65b9\u6cd5\u4e0e\u521b\u5efa\u8be5 Cookie \u7684\u65b9\u6cd5\u662f\u76f8\u540c\u7684\uff0c\u53ea\u4e0d\u8fc7\u8981\u628a\u5176\u6709\u6548\u671f\u8bbe\u7f6e\u4e3a\u8fc7\u53bb\u7684\u67d0\u4e2a\u65e5\u671f\u3002\u4ee5\u4e0b\u793a\u4f8b\u6bd4\u5220\u9664\u5355\u4e2a Cookie \u8981\u7a0d\u5fae\u6709\u8da3\u4e00\u4e9b\uff0c\u5b83\u4f7f\u7528\u7684\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664\u5f53\u524d\u57df\u7684\u6240\u6709 Cookie\uff1a<\/p>\n

Dim i As Integer
\nDim cookieName As String
\nDim limit As Integer = Request.Cookies.Count – 1
\nFor i = 0 To limit
\naCookie = Request.Cookies(i)
\n   aCookie.Expires = DateTime.Now.AddDays(-1)
\nResponse.Cookies.Add(aCookie)
\nNext
\n\u4fee\u6539\u6216\u5220\u9664\u5b50\u952e
\n\u4fee\u6539\u5355\u4e2a\u5b50\u952e\u7684\u65b9\u6cd5\u4e0e\u6700\u521d\u521b\u5efa\u5b83\u7684\u65b9\u6cd5\u76f8\u540c\uff1a<\/p>\n

Response.Cookies("userInfo")("lastVisit") = DateTime.Now.ToString
\nResponse.Cookies("userInfo").Expires = DateTime.Now.AddDays(1)
\n\u6bd4\u8f83\u590d\u6742\u7684\u95ee\u9898\u662f\u5982\u4f55\u5220\u9664\u5355\u4e2a\u5b50\u952e\u3002\u60a8\u4e0d\u80fd\u53ea\u662f\u7b80\u5355\u5730\u91cd\u65b0\u8bbe\u7f6e Cookie \u7684\u8fc7\u671f\u65e5\u671f\uff0c\u56e0\u4e3a\u8fd9\u6837\u53ea\u80fd\u5220\u9664\u6574\u4e2a Cookie \u800c\u4e0d\u80fd\u5220\u9664\u5355\u4e2a\u5b50\u952e\u3002\u5b9e\u9645\u7684\u89e3\u51b3\u65b9\u6848\u662f\u5bf9\u5305\u542b\u5b50\u952e\u7684 Cookie \u7684 Values \u96c6\u5408\u8fdb\u884c\u64cd\u4f5c\u3002\u9996\u5148\uff0c\u901a\u8fc7\u4ece Request.Cookies \u5bf9\u8c61\u4e2d\u83b7\u53d6 Cookie \u6765\u91cd\u65b0\u521b\u5efa Cookie\u3002\u7136\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u8c03\u7528 Values \u96c6\u5408\u7684 Remove \u65b9\u6cd5\uff0c\u5c06\u8981\u5220\u9664\u7684\u5b50\u952e\u540d\u79f0\u4f20\u9012\u5230 Remove \u65b9\u6cd5\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u901a\u5e38\u53ef\u4ee5\u5c06\u4fee\u6539\u540e\u7684 Cookie \u6dfb\u52a0\u5230 Response.Cookies \u96c6\u5408\uff0c\u4ee5\u4fbf\u5c06\u4fee\u6539\u540e\u7684 Cookie \u53d1\u9001\u56de\u6d4f\u89c8\u5668\u3002<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u663e\u793a\u4e86\u5982\u4f55\u5220\u9664\u5b50\u952e\u3002\u5728\u793a\u4f8b\u4e2d\uff0c\u8981\u5220\u9664\u7684\u5b50\u952e\u7684\u540d\u79f0\u5728\u53d8\u91cf\u4e2d\u6307\u5b9a\u3002<\/p>\n

Dim subkeyName As String
\nsubkeyName = "userName"
\nDim aCookie As HttpCookie = Request.Cookies("userInfo")
\naCookie.Values.Remove(subkeyName)
\naCookie.Expires = DateTime.Now.AddDays(1)
\nResponse.Cookies.Add(aCookie)
\nCookie \u4e0e\u5b89\u5168\u6027
\n\u5728\u4f7f\u7528 Cookie \u65f6\uff0c\u60a8\u5fc5\u987b\u610f\u8bc6\u5230\u5176\u56fa\u6709\u7684\u5b89\u5168\u5f31\u70b9\u3002\u6211\u6240\u6307\u7684\u5b89\u5168\u6027\u5e76\u4e0d\u662f\u9690\u79c1\u95ee\u9898\uff0c\u6b63\u5982\u6211\u5728\u524d\u9762\u7684\u4ec0\u4e48\u662f Cookie\uff1f\u4e2d\u6240\u8ff0\uff0c\u9690\u79c1\u5728\u66f4\u5927\u7a0b\u5ea6\u4e0a\u662f\u67d0\u4e9b\u7528\u6237\u9762\u5bf9\u7684\u95ee\u9898\uff1a\u8fd9\u4e9b\u7528\u6237\u5f88\u5173\u5fc3 Cookie \u4e2d\u7684\u4fe1\u606f\u662f\u5982\u4f55\u88ab\u4f7f\u7528\u7684\u3002\u800c Cookie \u7684\u5b89\u5168\u6027\u95ee\u9898\u4e0e\u4ece\u5ba2\u6237\u673a\u83b7\u53d6\u6570\u636e\u7684\u5b89\u5168\u6027\u95ee\u9898\u7c7b\u4f3c\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u5c31\u5e94\u7528\u7a0b\u5e8f\u800c\u8a00\uff0cCookie \u662f\u7528\u6237\u8f93\u5165\u7684\u53e6\u4e00\u79cd\u5f62\u5f0f\uff0c\u56e0\u800c\u5f88\u5bb9\u6613\u88ab\u4ed6\u4eba\u975e\u6cd5\u83b7\u53d6\u548c\u5229\u7528\u3002\u7531\u4e8e Cookie \u4fdd\u5b58\u5728\u7528\u6237\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e0a\uff0c\u6240\u4ee5\u7528\u6237\u81f3\u5c11\u53ef\u4ee5\u770b\u5230\u60a8\u4fdd\u5b58\u5728 Cookie \u4e2d\u7684\u4fe1\u606f\u3002\u5982\u679c\u7528\u6237\u613f\u610f\uff0c\u8fd8\u80fd\u5728\u6d4f\u89c8\u5668\u5411\u60a8\u53d1\u9001 Cookie \u4e4b\u524d\u4fee\u6539\u8be5 Cookie\u3002<\/p>\n

\u6240\u4ee5\uff0c\u60a8\u5343\u4e07\u4e0d\u8981\u5728 Cookie \u4e2d\u4fdd\u5b58\u4fdd\u5bc6\u4fe1\u606f – \u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u4fe1\u7528\u5361\u53f7\u7b49\u7b49\u3002\u5728 Cookie \u4e2d\u4e0d\u8981\u4fdd\u5b58\u4e0d\u5e94\u8be5\u7531\u7528\u6237\u638c\u63e1\u7684\u5185\u5bb9\uff0c\u4e5f\u4e0d\u8981\u4fdd\u5b58\u53ef\u80fd\u88ab\u5176\u4ed6\u7a83\u53d6 Cookie \u7684\u4eba\u63a7\u5236\u7684\u5185\u5bb9\u3002<\/p>\n

\u540c\u6837\uff0c\u8981\u5bf9\u4ece Cookie \u4e2d\u5f97\u5230\u7684\u4efb\u4f55\u4fe1\u606f\u90fd\u6301\u6000\u7591\u6001\u5ea6\u3002\u4e0d\u8981\u8ba4\u4e3a\u5f97\u5230\u7684\u6570\u636e\u5c31\u662f\u60a8\u5f53\u521d\u8bbe\u60f3\u7684\u4fe1\u606f\u3002\u5904\u7406 Cookie \u503c\u65f6\u91c7\u7528\u7684\u5b89\u5168\u63aa\u65bd\u5e94\u8be5\u4e0e\u5904\u7406 Web \u9875\u9762\u4e2d\u7528\u6237\u952e\u5165\u7684\u6570\u636e\u65f6\u91c7\u7528\u7684\u5b89\u5168\u63aa\u65bd\u76f8\u540c\u3002\u4f8b\u5982\uff0c\u5728\u9875\u9762\u4e2d\u663e\u793a\u503c\u4e4b\u524d\uff0c\u6211\u4f1a\u5bf9 Cookie \u4e2d\u7684\u5185\u5bb9\u8fdb\u884c HTML \u7f16\u7801\u3002\u8fd9\u662f\u4e00\u79cd\u6807\u51c6\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u663e\u793a\u4e4b\u524d\u51c0\u5316\u4ece\u7528\u6237\u5904\u5f97\u5230\u7684\u4fe1\u606f\uff0c\u5bf9 Cookie \u7684\u5904\u7406\u4e0e\u6b64\u76f8\u540c\u3002<\/p>\n

\u53e6\u4e00\u4e2a\u9700\u8981\u5173\u5fc3\u7684\u95ee\u9898\u662f\uff0cCookie \u662f\u4ee5\u7eaf\u6587\u672c\u7684\u5f62\u5f0f\u5728\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u9001\u7684\uff0c\u4efb\u4f55\u53ef\u4ee5\u622a\u53d6 Web \u901a\u4fe1\u7684\u4eba\u90fd\u53ef\u4ee5\u8bfb\u53d6 Cookie\u3002\u60a8\u53ef\u4ee5\u5bf9 Cookie \u7684\u5c5e\u6027\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4f7f\u5176\u53ea\u80fd\u5728\u4f7f\u7528\u5b89\u5168\u5957\u63a5\u5b57\u5c42\uff08SSL\uff0c\u53c8\u79f0 https:\/\/\uff09\u7684\u8fde\u63a5\u4e0a\u4f20\u8f93\u3002SSL \u5e76\u4e0d\u80fd\u9632\u6b62\u4fdd\u5b58\u5728\u7528\u6237\u8ba1\u7b97\u673a\u4e0a\u7684 Cookie \u88ab\u4ed6\u4eba\u8bfb\u53d6\u6216\u64cd\u4f5c\uff0c\u4f46\u5b83\u80fd\u9632\u6b62 Cookie \u5728\u4f20\u8f93\u9014\u4e2d\u88ab\u4ed6\u4eba\u622a\u53d6\u3002\u672c\u6587\u4e0d\u8ba8\u8bba SSL\uff0c\u4f46\u60a8\u5fc5\u987b\u6e05\u695a\uff0c\u60a8\u53ef\u4ee5\u5bf9 Cookie \u8fdb\u884c\u4f20\u8f93\u4fdd\u62a4\u3002\u6709\u5173 SSL \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Secure Sockets Layer: Protect Your E-Commerce Web Site with SSL and Digital Certificates\uff08\u82f1\u6587\uff09\u3002<\/p>\n

\u9762\u5bf9\u8fd9\u4e9b\u5b89\u5168\u95ee\u9898\uff0c\u5982\u4f55\u624d\u80fd\u5b89\u5168\u5730\u4f7f\u7528 Cookie\uff1f\u60a8\u53ef\u4ee5\u5728 Cookie \u4e2d\u4fdd\u5b58\u4e00\u4e9b\u4e0d\u91cd\u8981\u7684\u6570\u636e\uff0c\u5982\u7528\u6237\u9996\u9009\u9879\u6216\u5176\u4ed6\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u91cd\u5927\u5f71\u54cd\u7684\u4fe1\u606f\u3002\u5982\u679c\u786e\u5b9e\u9700\u8981\u628a\u67d0\u4e9b\u654f\u611f\u4fe1\u606f\uff08\u5982\u7528\u6237 ID\uff09\u4fdd\u5b58\u5728 Cookie \u4e2d\uff0c\u5c31\u5bf9\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u52a0\u5bc6\u3002\u4e00\u79cd\u53ef\u884c\u7684\u65b9\u6cd5\u662f\u5229\u7528 ASP.NET Forms Authentication \u5b9e\u7528\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u8eab\u4efd\u9a8c\u8bc1\u7968\u636e\uff0c\u4f5c\u4e3a Cookie \u4fdd\u5b58\u3002\u672c\u6587\u4e0d\u8ba8\u8bba\u6709\u5173\u52a0\u5bc6\u7684\u95ee\u9898\uff0c\u4f46\u662f\uff0c\u5982\u679c\u60a8\u9700\u8981\u5728 Cookie \u4e2d\u4fdd\u5b58\u654f\u611f\u4fe1\u606f\uff0c\u5c31\u5e94\u8be5\u8bd5\u7740\u91c7\u53d6\u63aa\u65bd\u6765\u9690\u85cf\u4fe1\u606f\uff0c\u9632\u6b62\u88ab\u4ed6\u4eba\u76d7\u7528\u3002<\/p>\n

\u5728 Mitigating Cross-site Scripting With HTTP-only Cookies\uff08\u82f1\u6587\uff09\u4e00\u6587\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4e86\u89e3\u5230\u66f4\u591a\u6709\u5173 Cookie \u53ca\u5176\u5b89\u5168\u5f31\u70b9\u7684\u4fe1\u606f\u3002<\/p>\n

\u68c0\u67e5\u6d4f\u89c8\u5668\u662f\u5426\u63a5\u53d7 Cookie
\n\u6211\u5728\u524d\u9762\u7684 Cookie \u7684\u9650\u5236\u4e00\u8282\u4e2d\u66fe\u7ecf\u63d0\u5230\u4e00\u4e2a\u6f5c\u5728\u95ee\u9898\uff0c\u5373\u7528\u6237\u53ef\u4ee5\u8bbe\u7f6e\u81ea\u5df1\u7684\u6d4f\u89c8\u5668\u62d2\u7edd\u63a5\u53d7 Cookie\u3002\u5982\u4f55\u624d\u80fd\u77e5\u9053\u60a8\u662f\u5426\u53ef\u4ee5\u8bfb\u5199 Cookie\uff1f\u5728\u4e0d\u80fd\u5199\u5165 Cookie \u65f6\u4e0d\u4f1a\u51fa\u73b0\u4efb\u4f55\u9519\u8bef\uff08\u4f8b\u5982 Response.Cookies \u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38\uff09\uff0c\u56e0\u4e3a\u670d\u52a1\u5668\u5e76\u4e0d\u8ddf\u8e2a\u5448\u73b0\u9875\u9762\u540e\u51fa\u73b0\u7684\u60c5\u51b5\u3002\u6d4f\u89c8\u5668\u540c\u6837\u4e0d\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u9001\u4efb\u4f55\u6709\u5173\u5176\u5f53\u524d\u7684 Cookie \u8bbe\u7f6e\u7684\u4fe1\u606f\u3002\uff08\u4e5f\u8bb8\u60a8\u9700\u8981\u4e86\u89e3\uff0c\u4f46 HttpBrowserCapabilities.Cookies Property [\u82f1\u6587] \u5c5e\u6027\u5e76\u4e0d\u4f1a\u544a\u8bc9\u60a8 Cookie \u662f\u5426\u88ab\u542f\u7528\uff0c\u800c\u53ea\u80fd\u544a\u8bc9\u60a8\u5f53\u524d\u7684\u6d4f\u89c8\u5668\u662f\u5426\u652f\u6301 Cookie\u3002\uff09<\/p>\n

\u4e00\u79cd\u786e\u5b9a\u6d4f\u89c8\u5668\u662f\u5426\u63a5\u53d7 Cookie \u7684\u65b9\u6cd5\u662f\u5148\u7f16\u5199\u4e00\u4e2a Cookie\uff0c\u7136\u540e\u518d\u5c1d\u8bd5\u8bfb\u53d6\u8fd9\u4e2a Cookie\u3002\u5982\u679c\u4e0d\u80fd\u8bfb\u53d6\u8fd9\u4e2a Cookie\uff0c\u5219\u53ef\u4ee5\u8ba4\u4e3a\u8be5\u6d4f\u89c8\u5668\u4e0d\u63a5\u53d7 Cookie\u3002<\/p>\n

\u6211\u7f16\u5199\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u6d4b\u8bd5 Cookie \u662f\u5426\u88ab\u63a5\u53d7\u3002\u8be5\u793a\u4f8b\u5305\u542b\u4e24\u4e2a\u9875\u9762\u3002\u5728\u7b2c\u4e00\u4e2a\u9875\u9762\u4e2d\uff0c\u6211\u7f16\u5199\u4e86\u4e00\u4e2a Cookie\uff0c\u7136\u540e\u628a\u6d4f\u89c8\u5668\u91cd\u65b0\u5b9a\u5411\u5230\u7b2c\u4e8c\u4e2a\u9875\u9762\u3002\u7b2c\u4e8c\u4e2a\u9875\u9762\u5c1d\u8bd5\u8bfb\u53d6\u8fd9\u4e2a Cookie\uff0c\u8f6c\u800c\u5c06\u6d4f\u89c8\u5668\u91cd\u65b0\u5b9a\u5411\u5230\u7b2c\u4e00\u4e2a\u9875\u9762\uff0c\u5e76\u5411 URL \u6dfb\u52a0\u4e00\u4e2a\u5e26\u6709\u6d4b\u8bd5\u7ed3\u679c\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\u9875\u9762\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

Sub Page_Load()
\nIf Not Page.IsPostBack Then
\nIf Request.QueryString("AcceptsCookies") Is Nothing Then
\nResponse.Cookies("TestCookie").Value = "ok"
\nResponse.Cookies("TestCookie").Expires = _
\nDateTime.Now.AddMinutes(1)
\nResponse.Redirect("TestForCookies.aspx?redirect=" & _
\nServer.UrlEncode(Request.Url.ToString))
\nElse
\nlabelAcceptsCookies.Text = "\u63a5\u53d7 Cookie = " & _
\nRequest.QueryString("AcceptsCookies")
\nEnd If
\nEnd If
\nEnd Sub
\n\u7b2c\u4e00\u4e2a\u9875\u9762\u6d4b\u8bd5\u662f\u5426\u6709\u56de\u4fe1\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u641c\u7d22\u5305\u542b\u6d4b\u8bd5\u7ed3\u679c\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf (AcceptsCookies)\u3002\u5982\u679c\u6ca1\u6709\u627e\u5230\u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u5219\u8868\u793a\u6d4b\u8bd5\u8fd8\u6ca1\u6709\u5b8c\u6210\uff0c\u4ee3\u7801\u5c31\u5199\u51fa\u4e00\u4e2a\u540d\u4e3a“TestCookie”\u7684 Cookie\u3002\u5199\u51fa Cookie \u4e4b\u540e\uff0c\u793a\u4f8b\u8c03\u7528 Response.Redirect \u6765\u5207\u6362\u5230\u6d4b\u8bd5\u9875\u9762 (TestForCookies.aspx)\u3002\u9644\u52a0\u5230\u6d4b\u8bd5\u9875\u9762\u7684 URL \u7684\u662f\u540d\u4e3a redirect \u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u8be5\u53d8\u91cf\u4e2d\u5305\u542b\u4e86\u5f53\u524d\u9875\u9762\u7684 URL\uff0c\u8fd9\u6837\u5c31\u80fd\u5728\u6267\u884c\u6d4b\u8bd5\u540e\u628a\u91cd\u5b9a\u5411\u5230\u8be5\u9875\u9762\u3002<\/p>\n

\u6d4b\u8bd5\u9875\u9762\u53ef\u4ee5\u5b8c\u5168\u7531\u4ee3\u7801\u7ec4\u6210\uff0c\u4e0d\u9700\u8981\u5305\u542b\u63a7\u4ef6\u3002\u4ee5\u4e0b\u5c31\u662f\u6211\u4f7f\u7528\u7684\u4ee3\u7801\uff1a<\/p>\n

Sub Page_Load()
\nDim redirect As String = Request.QueryString("redirect")
\nDim acceptsCookies As String
\n‘ \u662f\u5426\u63a5\u53d7 Cookie\uff1f
\nIf Request.Cookies("TestCookie") Is Nothing Then
\n‘ \u6ca1\u6709 Cookie\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u63a5\u53d7
\nacceptsCookies = 0
\nElse
\nacceptsCookies = 1
\n‘ \u5220\u9664\u6d4b\u8bd5 Cookie
\nResponse.Cookies("TestCookie").Expires = _
\nDateTime.Now.AddDays(-1)
\nEnd If
\nResponse.Redirect(redirect & "?AcceptsCookies=" & acceptsCookies, _
\nTrue)
\nEnd Sub
\n\u8bfb\u53d6 redirect \u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\u540e\uff0c\u4ee3\u7801\u5c31\u5c1d\u8bd5\u8bfb\u53d6 Cookie\u3002\u4e3a\u4e86\u5b9e\u73b0\u65e5\u5e38\u7ba1\u7406\uff0c\u5982\u679c\u8be5 Cookie \u786e\u5b9e\u5b58\u5728\uff0c\u5c31\u4f1a\u88ab\u7acb\u5373\u5220\u9664\u3002\u6d4b\u8bd5\u5b8c\u6210\u540e\uff0c\u4ee3\u7801\u4ece redirect \u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\u4f20\u9012\u7684 URL \u6784\u9020\u4e00\u4e2a\u65b0\u7684 URL\u3002\u65b0\u7684 URL \u4e5f\u5305\u62ec\u4e00\u4e2a\u5305\u542b\u6d4b\u8bd5\u7ed3\u679c\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u53d8\u91cf\u3002\u6700\u540e\u4e00\u6b65\u662f\u4f7f\u7528\u65b0\u7684 URL \u5c06\u6d4f\u89c8\u5668\u91cd\u5b9a\u5411\u5230\u539f\u6765\u7684\u9875\u9762\u3002<\/p>\n

\u8fd9\u4e2a\u793a\u4f8b\u5341\u5206\u7b80\u5355\uff0c\u4f46\u8bf4\u660e\u4e86\u901a\u8fc7\u8fd0\u884c\u7a0b\u5e8f\u5e76\u67e5\u770b\u7ed3\u679c\u6765\u8fdb\u884c\u6d4b\u8bd5\u7684\u57fa\u672c\u539f\u5219\u3002\u5176\u4e2d\u6700\u9700\u8981\u6539\u8fdb\u7684\u5730\u65b9\u662f\u8981\u6c38\u4e45\u4fdd\u5b58 Cookie \u6d4b\u8bd5\u7ed3\u679c\uff0c\u8fd9\u6837\u7528\u6237\u5c31\u4e0d\u5fc5\u5728\u6bcf\u6b21\u6d4f\u89c8\u539f\u59cb\u9875\u9762\u65f6\u90fd\u91cd\u590d\u8fdb\u884c\u6d4b\u8bd5\u3002\u4f46\u662f\uff0c\u5b9e\u9645\u4e0a\u5e76\u4e0d\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\u3002Cookie \u4e0d\u4f1a\u8d77\u4f5c\u7528\uff0c\u539f\u56e0\u662f\u663e\u800c\u6613\u89c1\u7684\u3002\u53e6\u4e00\u79cd\u53ef\u80fd\u662f\u628a\u6d4b\u8bd5\u7ed3\u679c\u4fdd\u5b58\u5728\u4f1a\u8bdd\u72b6\u6001\u4e2d\uff0c\u4f46\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f1a\u8bdd\u72b6\u6001\u4e5f\u4f9d\u8d56\u4e8e Cookie\uff0c\u800c\u5982\u679c\u6d4f\u89c8\u5668\u4e0d\u63a5\u53d7 Cookie\uff0c\u4f1a\u8bdd\u72b6\u6001\u4e5f\u4e0d\u4f1a\u8d77\u4f5c\u7528\u3002\u89e3\u51b3\u540e\u4e00\u4e2a\u95ee\u9898\u7684\u529e\u6cd5\u662f\u91c7\u7528\u65e0 Cookie \u7684\u4f1a\u8bdd\u72b6\u6001\u3002\u4e0b\u4e00\u8282\u6211\u5c06\u7b80\u8981\u4ecb\u7ecd\u4f1a\u8bdd\u72b6\u6001\u5982\u4f55\u4e0e Cookie \u534f\u4f5c\u3002<\/p>\n

Cookie \u548c\u4f1a\u8bdd\u72b6\u6001
\n\u5f53\u7528\u6237\u8bbf\u95ee\u60a8\u7684\u7ad9\u70b9\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u4e3a\u8be5\u7528\u6237\u521b\u5efa\u552f\u4e00\u7684\u4f1a\u8bdd\uff0c\u4f1a\u8bdd\u5c06\u4e00\u76f4\u5ef6\u7eed\u5230\u7528\u6237\u8bbf\u95ee\u7ed3\u675f\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u4f1a\u8bdd\uff0cASP.NET \u90fd\u7ef4\u62a4\u4e00\u79cd\u57fa\u4e8e\u670d\u52a1\u5668\u7684\u7ed3\u6784\uff08\u4f1a\u8bdd\u72b6\u6001\uff09\uff0c\u5728\u8be5\u7ed3\u6784\u4e2d\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4fdd\u5b58\u7528\u6237\u7684\u76f8\u5173\u4fe1\u606f\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Session State\uff08\u82f1\u6587\uff09\u3002<\/p>\n

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