{"id":337,"date":"2009-04-21T12:22:00","date_gmt":"2009-04-21T04:22:00","guid":{"rendered":""},"modified":"2013-11-27T21:04:31","modified_gmt":"2013-11-27T13:04:31","slug":"javascript%e4%b8%adcookie%e7%9a%84%e8%af%bb%e5%86%99","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/337.html","title":{"rendered":"JavaScript\u4e2dCookie\u7684\u8bfb\u5199"},"content":{"rendered":"<p>\u9996\u5148\u662f\u4e00\u4e2a\u51fd\u6570\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u6709\u57fa\u7840\u4e86\uff0c\u90a3\u4e48\u53ef\u80fd\u60a8\u6b63\u5728\u5bfb\u627e\u8fd9\u4e2a\u51fd\u6570\u3002<br \/>\n\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684javascript\u8bfb\u5199Cookie\u51fd\u6570<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nfunction GetCookieVal(offset)\r\n\/\/\u83b7\u5f97Cookie\u89e3\u7801\u540e\u7684\u503c\r\n{\r\nvar endstr = document.cookie.indexOf (&quot;;&quot;, offset);\r\nif (endstr == -1)\r\nendstr = document.cookie.length;\r\nreturn unescape(document.cookie.substring(offset, endstr));\r\n}\r\nfunction SetCookie(name, value)\r\n\/\/\u8bbe\u5b9aCookie\u503c\r\n{\r\nvar expdate = new Date();\r\nvar argv = SetCookie.arguments;\r\nvar argc = SetCookie.arguments.length;\r\nvar expires = (argc &gt; 2) ? argv&#x5B;2] : null;\r\nvar path = (argc &gt; 3) ? argv&#x5B;3] : null;\r\nvar domain = (argc &gt; 4) ? argv&#x5B;4] : null;\r\nvar secure = (argc &gt; 5) ? argv&#x5B;5] : false;\r\nif(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));\r\ndocument.cookie = name + &quot;=&quot; + escape (value) +((expires == null) ? &quot;&quot; : (&quot;; expires=&quot;+ expdate.toGMTString()))\r\n+((path == null) ? &quot;&quot; : (&quot;; path=&quot; + path)) +((domain == null) ? &quot;&quot; : (&quot;; domain=&quot; + domain))\r\n+((secure == true) ? &quot;; secure&quot; : &quot;&quot;);\r\n}\r\nfunction DelCookie(name)\r\n\/\/\u5220\u9664Cookie\r\n{\r\nvar exp = new Date();\r\nexp.setTime (exp.getTime() \u2013 1);\r\nvar cval = GetCookie (name);\r\ndocument.cookie = name + &quot;=&quot; + cval + &quot;; expires=&quot;+ exp.toGMTString();\r\n}\r\nfunction GetCookie(name)\r\n\/\/\u83b7\u5f97Cookie\u7684\u539f\u59cb\u503c\r\n{\r\nvar arg = name + &quot;=&quot;;\r\nvar alen = arg.length;\r\nvar clen = document.cookie.length;\r\nvar i = 0;\r\nwhile (i &lt; clen)\r\n{\r\nvar j = i + alen;\r\nif (document.cookie.substring(i, j) == arg)\r\nreturn GetCookieVal (j);\r\ni = document.cookie.indexOf(&quot; &quot;, i) + 1;\r\nif (i == 0) break;\r\n}\r\nreturn null;\r\n}\r\n<\/pre>\n<p>Javascript\u4e4bcookie\u7bc7<\/p>\n<p>\u8fd9\u91cc\u5f00\u59cb\u4e3a\u521d\u5b66javascript\u7684\u4eba\u4ecb\u7ecdcookie<br \/>\ncookie\u6982\u8ff0<br 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