{"id":265,"date":"2008-12-12T11:15:01","date_gmt":"2008-12-12T03:15:01","guid":{"rendered":""},"modified":"2014-02-27T23:01:23","modified_gmt":"2014-02-27T15:01:23","slug":"cookie%e7%b2%be%e9%80%9a%e4%b9%8b%e8%b7%af","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2008\/12\/12\/265.htm","title":{"rendered":"Cookie\u7cbe\u901a\u4e4b\u8def"},"content":{"rendered":"

<!—Cookies\uff0c\u6709\u4e9b\u4eba\u559c\u6b22\u5b83\u4eec\uff0c\u6709\u4e9b\u4eba\u618e\u6068\u5b83\u4eec\u3002\u4f46\u662f\uff0c\u5f88\u5c11\u6709\u4eba\u771f\u6b63\u77e5\u9053\u5982\u4f55\u4f7f\u7528\u5b83\u4eec\u3002\u73b0\u5728\u4f60\u53ef\u4ee5\u6210\u4e3a\u5c11\u6570\u4eba\u4e2d\u7684\u6210\u5458\uff0d\u53ef\u4ee5\u81ea\u50b2\u7684Cookie \u5927\u5e08\u3002–><\/p>\n

\u5982\u679c\u4f60\u8c61\u4f5c\u8005\u4e00\u6837\u8bb0\u6027\u4e0d\u597d\uff0c\u90a3\u4e48\u4f60\u53ef\u80fd\u6839\u672c\u8bb0\u4e0d\u4f4f\u4eba\u4eec\u7684\u540d\u5b57\u3002\u6211\u9047\u5230\u4eba\u65f6\uff0c\u591a\u534a\u53ea\u662f\u70b9\u70b9\u5934\uff0c\u95ee\u53e5“\u5403\u4e86\u561b\uff01”\uff0c\u800c\u4e14\u671f\u671b\u95ee\u5019\u5230\u6b64\u4e3a\u6b62\u3002\u5982\u679c\u8fd8\u9700\u8981\u8868\u793a\u4e9b\u4ec0\u4e48\uff0c\u90a3\u4e48\u6211\u5c31\u5f97\u6c42\u52a9\u4e8e\u4e00\u4e9b\u72e1\u733e\u7684\u6280\u5de7\uff0c\u597d\u8ba9\u6211\u80fd\u60f3\u5bf9\u65b9\u662f\u8c01\u3002\u6bd4\u5982\u80e1\u626f\u8d77\u4e00\u4e9b\u548c\u5bf9\u65b9\u6709\u5173\u7684\u4eba\uff0c\u4e0d\u7ba1\u4ed6\u4eec\u4e4b\u95f4\u5173\u7cfb\u591a\u8fdc\uff0c\u53ea\u8981\u80fd\u907f\u514d\u4e0d\u8bb0\u5f97\u5bf9\u65b9\u540d\u5b57\u7684\u5c34\u5c2c\u5c31\u597d\uff1a “\u4f60\u9694\u58c1\u90bb\u5c45\u7684\u4f84\u5b50\u7684\u53ef\u7231\u5c0f\u72d7\u8fc8\u83f2\u65af\u7279\u600e\u4e48\u6837\uff1f”\u901a\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u6211\u5e0c\u671b\u80fd\u8ba9\u5bf9\u65b9\u611f\u5230\uff0c\u6211\u786e\u5b9e\u5f88\u91cd\u89c6\u4ed6\uff08\u5979\uff09\uff0c\u751a\u81f3\u8fd8\u8bb0\u5f97\u8fd9\u4e9b\u7410\u4e8b\uff0c\u867d\u7136\u5b9e\u9645\u4e0a\u8fde\u540d\u5b57\u90fd\u5fd8\u8bb0\u4e86\u3002\u4f46\u662f\uff0c\u4e0d\u662f\u6211\u4e0d\u91cd\u89c6\uff0c\u800c\u662f\u6211\u7684\u8bb0\u5fc6\u529b\u5b9e\u5728\u662f\u7cdf\u7cd5\uff0c\u800c\u4e14\u8981\u8bb0\u4f4f\u7684\u540d\u5b57\u53c8\u5b9e\u5728\u592a\u591a\u3002\u5982\u679c\u6211\u80fd\u7ed9\u6bcf\u4e2a\u4eba\u8bbe\u7f6ecookies\uff0c\u90a3\u4e48\u6211\u5c31\u4e0d\u4f1a\u518d\u72af\u8fd9\u79cd\u8bb0\u5fc6\u529b\u95ee\u9898\u4e86\u3002<\/p>\n

\u5728\u8fd9\u7bc7\u6587\u7ae0\u91cc\uff0c\u6211\u4eec\u8981\u5b66\u4e60\uff1a<\/p>\n

1. \u4ec0\u4e48\u662f Cookies?
\n2. Cookie \u7684\u6784\u6210
\n3. \u64cd\u7eb5 Cookies
\n4. Cookie \u602a\u517d<\/p>\n

\u4ec0\u4e48\u662fCookies?<\/p>\n

\u4f60\u4f1a\u95ee\uff0c\u4ec0\u4e48\u662fcookies\u5462? cookie \u662f\u6d4f\u89c8\u5668\u4fdd\u5b58\u5728\u7528\u6237\u8ba1\u7b97\u673a\u4e0a\u7684\u5c11\u91cf\u6570\u636e\u3002\u5b83\u4e0e\u7279\u5b9a\u7684WEB\u9875\u6216WEB\u7ad9\u70b9\u5173\u8054\u8d77\u6765\uff0c\u81ea\u52a8\u5730\u5728WEB\u6d4f\u89c8\u5668\u548cWEB\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u9012\u3002<\/p>\n

\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u8fd0\u884c\u7684\u662fWindows\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u7528Internet Explorer\u4e0a\u7f51\uff0c\u90a3\u4e48\u4f60\u4f1a\u53d1\u73b0\u5728\u4f60\u7684“Windows”\u76ee\u5f55\u4e0b\u9762\u6709\u4e00\u4e2a\u5b50\u76ee\u5f55\uff0c\u53eb\u505a“Temporary Internet Files”\u3002\u5982\u679c\u4f60\u6709\u7a7a\u770b\u770b\u8fd9\u4e2a\u76ee\u5f55\uff0c\u5c31\u4f1a\u53d1\u73b0\u91cc\u9762\u6709\u4e00\u4e9b\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u79f0\u770b\u8d77\u6765\u5c31\u8c61\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002\u6bd4\u5982\u5728\u6211\u673a\u5668\u4e0a\u7684\u8fd9\u4e2a\u76ee\u5f55\u91cc\uff0c\u5c31\u6709 “jim@support.microsoft.com<\/a>”\u8fd9\u6837\u7684\u6587\u4ef6\u3002\u8fd9\u662f\u4e00\u4e2acookie \u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u4ece\u54ea\u6765\u5462\uff1f\u731c\u4e00\u731c\uff0c\u5b83\u6765\u81ea\u5fae\u8f6f\u7684\u652f\u6301\u7ad9\u70b9\u3002\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u8fd9\u4e0d\u662f\u6211\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff0c\u7279\u6b64\u6f84\u6e05\u3002<\/p>\n

\u5bf9\u4e8e\u7ba1\u7406\u7ec6\u5c0f\u7684\u3001\u4e0d\u91cd\u8981\u7684\u3001\u4e0d\u60f3\u4fdd\u5b58\u5728\u4e2d\u592e\u6570\u636e\u5e93\u91cc\u7684\u7ec6\u8282\u4fe1\u606f\uff0cCookies \u662f\u4e2a\u5f88\u4e0d\u9519\u7684\u65b9\u6848\u3002\uff08\u8fd9\u4e0d\u662f\u8bf4\u5927\u5bb6\u7684\u540d\u5b57\u4e0d\u91cd\u8981\u3002\uff09\u6bd4\u5982\uff0c\u76ee\u524d\u7f51\u7ad9\u4e0a\u4e0d\u65ad\u589e\u957f\u7684\u81ea\u5b9a\u4e49\u670d\u52a1\uff0c\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7528\u6237\u5b9a\u5236\u4ed6\u4eec\u8981\u770b\u7684\u5185\u5bb9\u3002\u5982\u679c\u4f60\u8bbe\u8ba1\u7684\u5c31\u662f\u8fd9\u6837\u4e00\u4e2a\u7ad9\u70b9\uff0c\u90a3\u4e48\u4f60\u600e\u4e48\u6765\u7ba1\u7406\u8fd9\u6837\u7684\u4fe1\u606f\uff1a\u4e00\u4e2a\u7528\u6237\u559c\u6b22\u7eff\u8272\u7684\u83dc\u5355\u6761\uff0c\u800c\u53e6\u4e00\u4e2a\u559c\u6b22\u7ea2\u8272\u7684\u3002\u786e\u5b9e\u662f\u4e2a\u7d2f\u4eba\u7684\u95ee\u9898\u3002\u4e0d\u8fc7\uff0c\u8fd9\u6837\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u5f88\u5b89\u5168\u5730\u8bb0\u5f55\u5230 cookie\uff0c\u5e76\u4fdd\u5b58\u5728\u7528\u6237\u7684\u8ba1\u7b97\u673a\u4e0a\uff0c\u800c\u4f60\u81ea\u5df1\u7684\u6570\u636e\u5e93\u7a7a\u95f4\u53ef\u4ee5\u7559\u7ed9\u66f4\u957f\u4e45\u66f4\u6709\u610f\u4e49\u7684\u6570\u636e\u3002<\/p>\n

FYI: Cookies \u5bf9\u4e8e\u5b89\u5168\u7528\u9014\uff0c\u901a\u5e38\u5f88\u6709\u7528\u3002\u6211\u4e0d\u60f3\u5728\u6b64\u5c31\u8fd9\u4e00\u95ee\u9898\u8fc7\u4e8e\u6df1\u5165\uff0c\u53ea\u662f\u63d0\u4f9b\u4e00\u4e2a\u793a\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528\u5728\u4e00\u6bb5\u65f6\u95f4\u4e4b\u540e\u8fc7\u671f\u7684cookies\u6765\u4fdd\u8bc1\u7ad9\u70b9\u5b89\u5168\uff1a<\/p>\n

1. \u4f7f\u7528\u7528\u6237\u540d\u548c\u53e3\u4ee4\uff0c\u901a\u8fc7 SSL \u767b\u5f55\u3002
\n2. \u5728\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u91cc\u68c0\u67e5\u7528\u6237\u540d\u548c\u53e3\u4ee4\u3002\u5982\u679c\u767b\u5f55\u6210\u529f\uff0c\u5efa\u7acb\u4e00\u4e2a\u5f53\u524d\u65f6\u95f4\u6807\u7b7e\u7684\u6d88\u606f\u6458\u8981 (\u6bd4\u5982 MD5) \uff0c\u5e76\u628a\u5b83\u4fdd\u5b58\u5728cookie\u548c\u670d\u52a1\u5668\u6570\u636e\u5e93\u91cc\u3002\u628a\u7528\u6237\u7684\u767b\u5f55\u65f6\u95f4\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u6570\u636e\u5e93\u91cc\u9762\u7684\u7528\u6237\u8bb0\u5f55\u91cc\u3002
\n3. \u5728\u8fdb\u884c\u6bcf\u4e2a\u5b89\u5168\u4e8b\u52a1\u65f6\uff08\u7528\u6237\u5904\u4e8e\u767b\u5f55\u72b6\u6001\u7684\u4efb\u4f55\u4e8b\u52a1\uff09\uff0c\u628acookie\u7684\u6d88\u606f\u6458\u8981\u548c\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u6570\u636e\u5e93\u91cc\u7684\u6458\u8981\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u6bd4\u8f83\u5931\u8d25\uff0c\u5c31\u628a\u7528\u6237\u5f15\u5bfc\u5230\u767b\u5f55\u754c\u9762\u3002
\n4. \u5982\u679c\u7b2c3\u6b65\u68c0\u67e5\u901a\u8fc7\uff0c\u90a3\u4e48\u68c0\u67e5\u5f53\u524d\u65f6\u95f4\u548c\u767b\u5f55\u65f6\u95f4\u4e4b\u97f3\u7ecf\u8fc7\u7684\u65f6\u95f4\u662f\u5426\u8d85\u8fc7\u5141\u8bb8\u7684\u65f6\u95f4\u957f\u5ea6\u3002\u5982\u679c\u7528\u6237\u5df2\u7ecf\u8d85\u65f6\uff0c\u90a3\u4e48\u5c31\u628a\u7528\u6237\u5f15\u5230\u767b\u5f55\u754c\u9762\u3002
\n5. \u5982\u679c\u7b2c3\u6b65\u548c\u7b2c4\u6b65\u90fd\u901a\u8fc7\u4e86\uff0c\u90a3\u4e48\u628a\u767b\u5f55\u65f6\u95f4\u91cd\u65b0\u8bbe\u7f6e\u6210\u5f53\u524d\u65f6\u95f4\uff0c\u5141\u8bb8\u4e8b\u52a1\u53d1\u751f\u3002\u90a3\u4e9b\u9700\u8981\u4f60\u767b\u5f55\u7684\u5b89\u5168\u7ad9\u70b9\uff0c\u53ef\u80fd\u591a\u6570\u4f7f\u7528\u7684\u90fd\u662f\u548c\u8fd9\u91cc\u4ecb\u7ecd\u7684\u7c7b\u4f3c\u7684\u65b9\u6cd5\u3002
\nCookie\u7684\u6784\u6210<\/p>\n

Cookies \u6700\u521d\u8bbe\u8ba1\u65f6\uff0c\u662f\u4e3a\u4e86CGI\u7f16\u7a0b\u3002\u4f46\u662f\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528Javascript\u811a\u672c\u6765\u64cd\u7eb5cookies\u3002\u5728\u672c\u6587\u91cc\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u5982\u4f55\u4f7f\u7528Javascript \u811a\u672c\u6765\u64cd\u7eb5cookies\u3002(\u5982\u679c\u6709\u9700\u6c42\uff0c\u6211\u53ef\u80fd\u4f1a\u5728\u4ee5\u540e\u7684\u6587\u7ae0\u91cc\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Perl\u8fdb\u884ccookie\u7ba1\u7406\u3002\u4f46\u662f\u5982\u679c\u5b9e\u5728\u7b49\u4e0d\u5f97\uff0c\u90a3\u4e48\u6211\u73b0\u5728\u5c31\u6559\u4f60\u4e00\u624b\uff1a\u4ed4\u7ec6\u770b\u770bCGI.pm\u3002\u5728\u8fd9\u4e2aCGI\u5305\u91cc\u6709\u4e00\u4e2acookie()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u5b83\u5efa\u7acbcookie\u3002\u4f46\u662f\uff0c\u8fd8\u662f\u8ba9\u6211\u4eec\u5148\u6765\u4ecb\u7ecdcookies\u7684\u672c\u8d28\u3002<\/p>\n

\u5728Javascript \u811a\u672c\u91cc\uff0c\u4e00\u4e2acookie \u5b9e\u9645\u5c31\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5c5e\u6027\u3002\u5f53\u4f60\u8bfb\u53d6cookie\u7684\u503c\u65f6\uff0c\u5c31\u5f97\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u91cc\u9762\u5f53\u524dWEB\u9875\u4f7f\u7528\u7684\u6240\u6709cookies\u7684\u540d\u79f0\u548c\u503c\u3002\u6bcf\u4e2acookie\u9664\u4e86 name\u540d\u79f0\u548cvalue\u503c\u8fd9\u4e24\u4e2a\u5c5e\u6027\u4ee5\u5916\uff0c\u8fd8\u6709\u56db\u4e2a\u5c5e\u6027\u3002\u8fd9\u4e9b\u5c5e\u6027\u662f\uff1a expires\u8fc7\u671f\u65f6\u95f4\u3001 path\u8def\u5f84\u3001 domain\u57df\u3001\u4ee5\u53ca secure\u5b89\u5168\u3002<\/p>\n

Expires – \u8fc7\u671f\u65f6\u95f4\u3002\u6307\u5b9acookie\u7684\u751f\u547d\u671f\u3002\u5177\u4f53\u662f\u503c\u662f\u8fc7\u671f\u65e5\u671f\u3002\u5982\u679c\u60f3\u8ba9cookie\u7684\u5b58\u5728\u671f\u9650\u8d85\u8fc7\u5f53\u524d\u6d4f\u89c8\u5668\u4f1a\u8bdd\u65f6\u95f4\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528\u8fd9\u4e2a\u5c5e\u6027\u3002\u5f53\u8fc7\u4e86\u5230\u671f\u65e5\u671f\u65f6\uff0c\u6d4f\u89c8\u5668\u5c31\u53ef\u4ee5\u5220\u9664cookie\u6587\u4ef6\uff0c\u6ca1\u6709\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n

Path – \u8def\u5f84\u3002\u6307\u5b9a\u4e0ecookie\u5173\u8054\u7684WEB\u9875\u3002\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u76ee\u5f55\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u8def\u5f84\u3002\u5982\u679chttp:\/\/www.zdnet.com\/devhead\/index.html<\/a> \u5efa\u7acb\u4e86\u4e00\u4e2acookie\uff0c\u90a3\u4e48\u5728http:\/\/www.zdnet.com\/devhead\/<\/a>\u76ee\u5f55\u91cc\u7684\u6240\u6709\u9875\u9762\uff0c\u4ee5\u53ca\u8be5\u76ee\u5f55\u4e0b\u9762\u4efb\u4f55\u5b50\u76ee\u5f55\u91cc\u7684\u9875\u9762\u90fd\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e2acookie\u3002\u8fd9\u5c31\u662f\u8bf4\uff0c\u5728http:\/\/www.zdnet.com\/devhead\/stories\/articles<\/a> \u91cc\u7684\u4efb\u4f55\u9875\u9762\u90fd\u53ef\u4ee5\u8bbf\u95eehttp:\/\/www.zdnet.com\/devhead\/index.html<\/a>\u5efa\u7acb\u7684cookie\u3002\u4f46\u662f\uff0c\u5982\u679chttp:\/\/www.zdnet.com\/zdnn\/<\/a> \u9700\u8981\u8bbf\u95eehttp:\/\/www.zdnet.com\/devhead\/index.html<\/a>\u8bbe\u7f6e\u7684cookes\uff0c\u8be5\u600e\u4e48\u529e\uff1f\u8fd9\u65f6\uff0c\u6211\u4eec\u8981\u628acookies \u7684path\u5c5e\u6027\u8bbe\u7f6e\u6210“\/”\u3002\u5728\u6307\u5b9a\u8def\u5f84\u7684\u65f6\u5019\uff0c\u51e1\u662f\u6765\u81ea\u540c\u4e00\u670d\u52a1\u5668\uff0cURL\u91cc\u6709\u76f8\u540c\u8def\u5f84\u7684\u6240\u6709WEB\u9875\u9762\u90fd\u53ef\u4ee5\u5171\u4eabcookies\u3002\u73b0\u5728\u770b\u53e6\u4e00\u4e2a\u4f8b\u5b50\uff1a\u5982\u679c\u60f3\u8ba9 http:\/\/www.zdnet.com\/devhead\/filters\/<\/a> \u548chttp:\/\/www.zdnet.com\/devhead\/stories\/<\/a>\u5171\u4eabcookies\uff0c\u5c31\u8981\u628apath\u8bbe\u6210“\/devhead”\u3002<\/p>\n

Domain – \u57df\u3002\u6307\u5b9a\u5173\u8054\u7684WEB\u670d\u52a1\u5668\u6216\u57df\u3002\u503c\u662f\u57df\u540d\uff0c\u6bd4\u5982zdnet.com\u3002\u8fd9\u662f\u5bf9path\u8def\u5f84\u5c5e\u6027\u7684\u4e00\u4e2a\u5ef6\u4f38\u3002\u5982\u679c\u6211\u4eec\u60f3\u8ba9 catalog.mycompany.com \u80fd\u591f\u8bbf\u95eeshoppingcart.mycompany.com\u8bbe\u7f6e\u7684cookies\uff0c\u8be5\u600e\u4e48\u529e? \u6211\u4eec\u53ef\u4ee5\u628adomain\u5c5e\u6027\u8bbe\u7f6e\u6210“mycompany.com”\uff0c\u5e76\u628apath\u5c5e\u6027\u8bbe\u7f6e\u6210“\/”\u3002FYI\uff1a\u4e0d\u80fd\u628acookies\u57df\u5c5e\u6027\u8bbe\u7f6e\u6210\u4e0e\u8bbe\u7f6e\u5b83\u7684\u670d\u52a1\u5668\u7684\u6240\u5728\u57df\u4e0d\u540c\u7684\u503c\u3002<\/p>\n

Secure – \u5b89\u5168\u3002\u6307\u5b9acookie\u7684\u503c\u901a\u8fc7\u7f51\u7edc\u5982\u4f55\u5728\u7528\u6237\u548cWEB\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u9012\u3002\u8fd9\u4e2a\u5c5e\u6027\u7684\u503c\u6216\u8005\u662f“secure”\uff0c\u6216\u8005\u4e3a\u7a7a\u3002\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u8be5\u5c5e\u6027\u4e3a\u7a7a\uff0c\u4e5f\u5c31\u662f\u4f7f\u7528\u4e0d\u5b89\u5168\u7684HTTP\u8fde\u63a5\u4f20\u9012\u6570\u636e\u3002\u5982\u679c\u4e00\u4e2a cookie \u6807\u8bb0\u4e3asecure\uff0c\u90a3\u4e48\uff0c\u5b83\u4e0eWEB\u670d\u52a1\u5668\u4e4b\u95f4\u5c31\u901a\u8fc7HTTPS\u6216\u8005\u5176\u5b83\u5b89\u5168\u534f\u8bae\u4f20\u9012\u6570\u636e\u3002\u4e0d\u8fc7\uff0c\u8bbe\u7f6e\u4e86secure\u5c5e\u6027\u4e0d\u4ee3\u8868\u5176\u4ed6\u4eba\u4e0d\u80fd\u770b\u5230\u4f60\u673a\u5668\u672c\u5730\u4fdd\u5b58\u7684cookie\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u628acookie\u8bbe\u7f6e\u4e3asecure\uff0c\u53ea\u4fdd\u8bc1cookie\u4e0eWEB\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u52a0\u5bc6\uff0c\u800c\u4fdd\u5b58\u5728\u672c\u5730\u7684 cookie\u6587\u4ef6\u5e76\u4e0d\u52a0\u5bc6\u3002\u5982\u679c\u60f3\u8ba9\u672c\u5730cookie\u4e5f\u52a0\u5bc6\uff0c\u5f97\u81ea\u5df1\u52a0\u5bc6\u6570\u636e\u3002<\/p>\n

\u64cd\u7eb5Cookies<\/p>\n

\u8bf7\u8bb0\u4f4f\uff0ccookie \u5c31\u662f\u6587\u6863\u7684\u4e00\u4e2a\u5b57\u7b26\u4e32\u5c5e\u6027\u3002\u8981\u4fdd\u5b58cookie\uff0c\u53ea\u8981\u5efa\u7acb\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u683c\u5f0f\u662fname=<value>\uff08\u540d\u79f0\uff1d\u503c\uff09\uff0c\u7136\u540e\u628a\u6587\u6863\u7684 document.cookie \u8bbe\u7f6e\u6210\u4e0e\u5b83\u76f8\u7b49\u5373\u53ef\u3002\u6bd4\u5982\uff0c\u5047\u8bbe\u60f3\u4fdd\u5b58\u8868\u5355\u63a5\u6536\u5230\u7684\u7528\u6237\u540d\uff0c\u90a3\u4e48\u4ee3\u7801\u770b\u8d77\u6765\u5c31\u8c61\u8fd9\u6837\uff1a<\/p>\n

document.cookie = "username" + escape(form.username.value);<\/p>\n

\u5728\u8fd9\u91cc\uff0c\u4f7f\u7528 escape() \u51fd\u6570\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3acookie\u503c\u91cc\u53ef\u80fd\u5305\u542b\u5206\u53f7\u3001\u9017\u53f7\u6216\u8005\u7a7a\u683c\u3002\u8fd9\u5c31\u662f\u8bf4\uff0c\u5728\u8bfb\u53d6cookie\u503c\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528\u5bf9\u5e94\u7684unescape()\u51fd\u6570\u7ed9\u503c\u89e3\u7801\u3002<\/p>\n

\u6211\u4eec\u5f53\u7136\u8fd8\u5f97\u4ecb\u7ecdcookie\u7684\u56db\u4e2a\u5c5e\u6027\u3002\u8fd9\u4e9b\u5c5e\u6027\u7528\u4e0b\u9762\u7684\u683c\u5f0f\u52a0\u5230\u5b57\u7b26\u4e32\u503c\u540e\u9762\uff1a<\/p>\n

name=<value>[; expires=<date>][; domain=<domain>][; path=<path>][; secure]<\/p>\n

\u540d\u79f0=<\u503c>[; expires=<\u65e5\u671f>][; domain=<\u57df>][; path=<\u8def\u5f84>][; \u5b89\u5168]<\/p>\n

<value>, <date>, <domain> \u548c <path> \u5e94\u5f53\u7528\u5bf9\u5e94\u7684\u503c\u66ff\u6362\u3002<date> \u5e94\u5f53\u4f7f\u7528GMT\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528Javascript\u811a\u672c\u8bed\u8a00\u7684\u65e5\u671f\u7c7bDate\u7684.toGMTString() \u65b9\u6cd5\u5f97\u5230\u8fd9\u4e00GMT\u683c\u5f0f\u7684\u65e5\u671f\u503c\u3002\u65b9\u62ec\u53f7\u4ee3\u8868\u8fd9\u9879\u662f\u53ef\u9009\u7684\u3002\u6bd4\u5982\u5728 [; secure]\u4e24\u8fb9\u7684\u65b9\u62ec\u53f7\u4ee3\u8868\u8981\u60f3\u628acookie\u8bbe\u7f6e\u6210\u5b89\u5168\u7684\uff0c\u5c31\u9700\u8981\u628a"; secure" \u52a0\u5230cookie\u5b57\u7b26\u4e32\u503c\u7684\u540e\u9762\u3002\u5982\u679c"; secure" \u6ca1\u6709\u52a0\u5230cookie\u5b57\u7b26\u4e32\u540e\u9762\uff0c\u90a3\u4e48\u8fd9\u4e2acookie\u5c31\u662f\u4e0d\u5b89\u5168\u7684\u3002\u4e0d\u8981\u628a\u5c16\u62ec\u53f7<> \u548c\u65b9\u62ec\u53f7[] \u52a0\u5230cookie\u91cc\uff08\u9664\u975e\u5b83\u4eec\u662f\u67d0\u4e9b\u503c\u7684\u5185\u5bb9\uff09\u3002\u8bbe\u7f6e\u5c5e\u6027\u65f6\uff0c\u4e0d\u9650\u5c5e\u6027\uff0c\u53ef\u4ee5\u7528\u4efb\u4f55\u987a\u5e8f\u8bbe\u7f6e\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u91cc\uff0ccookie "username" \u88ab\u8bbe\u7f6e\u6210\u572815\u5206\u949f\u4e4b\u540e\u8fc7\u671f\uff0c\u53ef\u4ee5\u88ab\u670d\u52a1\u5668\u4e0a\u7684\u6240\u6709\u76ee\u5f55\u8bbf\u95ee\uff0c\u53ef\u4ee5\u88ab"mydomain.com"\u57df\u91cc\u7684\u6240\u6709\u670d\u52a1\u5668\u8bbf\u95ee\uff0c\u5b89\u5168\u72b6\u6001\u4e3a\u5b89\u5168\u3002<\/p>\n

\/\/ Date() \u7684\u6784\u9020\u5668\u8bbe\u7f6e\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d
\n\/\/ .getTime() \u65b9\u6cd5\u8fd4\u56de\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u6beb\u79d2
\n\/\/ \u6240\u4ee5\u8981\u8bbe\u7f6e15\u5206\u949f\u5230\u671f\uff0c\u8981\u752860000\u6beb\u79d2\u4e5815\u5206\u949f
\nvar expiration = new Date((new Date()).getTime() + 15 * 60000);
\ndocument.cookie = "username=" + escape(form.username.value)+ "; expires ="
\n+ expiration.toGMTString() + "; path=" + "\/" + "; _
\ndomain=" + "mydomain.com" + "; secure";<\/p>\n

\u8bfb\u53d6cookies\u503c\u6709\u70b9\u8c61\u4e2a\u5c0f\u628a\u620f\uff0c\u56e0\u4e3a\u4f60\u4e00\u6b21\u5c31\u5f97\u5230\u4e86\u5c5e\u4e8e\u5f53\u524d\u6587\u6863\u7684\u6240\u6709cookies\u3002<\/p>\n

\/\/ \u4e0b\u9762\u8fd9\u4e2a\u8bed\u53e5\u8bfb\u53d6\u4e86\u5c5e\u4e8e\u5f53\u524d\u6587\u6863\u7684\u6240\u6709cookies
\nvar allcookies = document.cookie;<\/p>\n

\u73b0\u5728\uff0c\u6211\u4eec\u5f97\u89e3\u6790allcookies\u53d8\u91cf\u91cc\u7684\u4e0d\u540ccookies\uff0c\u627e\u5230\u611f\u5174\u8da3\u7684\u6307\u5b9acookie\u3002\u8fd9\u4e2a\u5de5\u4f5c\u5f88\u7b80\u5355\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u5229\u7528Javascript\u8bed\u8a00\u63d0\u4f9b\u7684\u6269\u5c55\u5b57\u7b26\u4e32\u652f\u6301\u3002<\/p>\n

\u5982\u679c\u6211\u4eec\u5bf9\u524d\u9762\u5206\u914d\u7684cookie "username" \u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u811a\u672c\u6765\u8bfb\u53d6\u5b83\u7684\u503c\u3002<\/p>\n

\/\/ \u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u6765\u8bfb\u53d6\u7279\u5b9a\u7684cookie\u503c\u3002
\nfunction getCookie(cookie_name)
\n{
\nvar allcookies = document.cookie;
\nvar cookie_pos = allcookies.indexOf(cookie_name);<\/p>\n

\/\/ \u5982\u679c\u627e\u5230\u4e86\u7d22\u5f15\uff0c\u5c31\u4ee3\u8868cookie\u5b58\u5728\uff0c
\n\/\/ \u53cd\u4e4b\uff0c\u5c31\u8bf4\u660e\u4e0d\u5b58\u5728\u3002
\nif (cookie_pos != -1)
\n{
\n\/\/ \u628acookie_pos\u653e\u5728\u503c\u7684\u5f00\u59cb\uff0c\u53ea\u8981\u7ed9\u503c\u52a01\u5373\u53ef\u3002
\ncookie_pos += cookie_name.length + 1;
\nvar cookie_end = allcookies.indexOf(";", cookie_pos);<\/p>\n

if (cookie_end == -1)
\n{
\ncookie_end = allcookies.length;
\n}<\/p>\n

var value = unescape(allcookies.substring(cookie_pos, cookie_end));
\n}<\/p>\n

return value;
\n}<\/p>\n

\/\/ \u8c03\u7528\u51fd\u6570
\nvar cookie_val = getCookie("username");<\/p>\n

\u4e0a\u9762\u4f8b\u7a0b\u91cc\u7684 cookie_val \u53d8\u91cf\u53ef\u4ee5\u7528\u6765\u751f\u6210\u52a8\u6001\u5185\u5bb9\uff0c\u6216\u8005\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aefCGI\u811a\u672c\u8fdb\u884c\u5904\u7406\u3002\u73b0\u5728\u4f60\u77e5\u9053\u4e86\u4f7f\u7528Javascript\u811a\u672c\u64cd\u7eb5cookies\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u4f46\u662f\uff0c\u5982\u679c\u4f60\u8ddf\u6211\u4e00\u6837\uff0c\u90a3\u4e48\u6211\u4eec\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\uff0c\u5c31\u662f\u5efa\u7acb\u4e00\u4e9b\u63a5\u53e3\u51fd\u6570\uff0c\u628acookies\u5904\u7406\u4e0a\u7684\u9ebb\u70e6\u9690\u85cf\u8d77\u6765\u3002\u4e0d\u8fc7\uff0c\u5728\u4f60\u5f00\u59cb\u7f16\u7a0b\u4e4b\u524d\uff0c\u7a0d\u5019\u7247\u523b\u3002\u8fd9\u4e9b\u5de5\u4f5c\uff0c\u65e9\u5c31\u6709\u4eba\u66ff\u4f60\u505a\u597d\u4e86\u3002\u4f60\u8981\u505a\u7684\uff0c\u53ea\u662f\u5230\u54ea\u53bb\u627e\u8fd9\u4e9b\u63a5\u53e3\u51fd\u6570\u800c\u5df2\u3002<\/p>\n

\u6bd4\u5982\uff0c\u5728David Flangan\u7684Javascript: The Definitive Guide 3rd Ed.\u8fd9\u672c\u4e66\u91cc\uff0c\u53ef\u4ee5\u627e\u5230\u5f88\u597d\u7684cookie\u5e94\u7528\u7c7b\u3002\u4f60\u4e5f\u53ef\u4ee5\u5728Oreilly\u7684WEB\u7ad9\u70b9\u4e0a\u627e\u5230\u8fd9\u672c\u4e66\u91cc\u7684\u4f8b\u5b50\u3002\u672c\u6587\u6700\u540e\u7684\u94fe\u63a5\u5217\u8868\u91cc\uff0c\u6709\u4e00\u4e9b\u8bbf\u95ee\u8fd9\u4e9b cookie\u793a\u4f8b\u7684\u76f4\u63a5\u94fe\u63a5\u3002<\/p>\n

Cookies \u602a\u517d<\/p>\n

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