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[Java教程]js设置、获取单值cookie和多值cookie


js设置、获取单值cookie和多值cookie,代码如下:

 1 var CookieUtil = (function () { 2   var Cookie = function () { 3     // 获取单值cookie 4     this.get = function(name) { 5       var start = document.cookie.indexOf(encodeURIComponent(name)) ; 6       var end = document.cookie.indexOf(';', start) ; 7       if(end == -1) { 8         end = document.cookie.length; 9       }10       return decodeURIComponent(document.cookie.substring(start+name.length+1,end));11     };12     13     // 设置单值cookie14     this.set = function(name, value, expires, path, domain, secure) {15       var cookieText = encodeURIComponent(name) + "=" + encodeURIComponent(value);16       // 设置默认过期时间为七天17       if(expires == undefined) {18         var date = new Date();19         date.setTime(date.getTime() + 7*24*60*60*1000);20         expires = date ;21       }22       if(expires instanceof Date) {23         cookieText += "; expires=" + expires.toGMTString();24       }25       if(path != undefined) {26         cookieText += "; path=" + path;27       }28       if(domain != undefined) {29         cookieText += "; domain" + domain;30       }31       if(secure != undefined) {32         cookieText += "; secure";33       }34       document.cookie = cookieText;35     };36     37     // 清除单值cookie38     this.unset = function(name, path, domain, secure) {39       this.set(name, '', new Date(0), path, domain, secure );40     };41     42     // 设置多值cookie43     this.setAll = function(name, subCookies, expires, path, domain, secure) {44       var cookieText = ";" + encodeURIComponent(name) + "=",45       arr = new Array();46       for(var attr in subCookies) {47         arr.push([encodeURIComponent(attr)] + ":" + encodeURIComponent(subCookies[attr]));48       } 49       this.set(name, arr.join('&'), expires, path, domain, secure);50     };51     52     // 获取多值cookie53     this.getAll = function(name) {54       var obj = {};55       var arr = this.get(name).split('&');56       for(var i = 0, len = arr.length; i < len; i++) {57         var tmpArr = arr[i].split(':');58         obj[decodeURIComponent(tmpArr[0])] = decodeURIComponent(tmpArr[1]);59       }60       return obj;61     };62     63     // 获取多值cookie的子cookie64     this.getSub = function(name, subname) {65       var obj = this.getAll(name);66       return obj[subname];67     };68     69     // 清除指定的多值cookie70     this.unsetAll = function(name,path,domain,secure) {71       this.unset(name, '', new Date(0), path, domain, secure);72     };73     74     // 清除指定多值cookie的子cookie75     this.unsetSub = function(name, subname,path, domain, secure) {76       var obj = this.getAll(name);77       delete obj[subname];78       this.setAll(name, obj, null, path, domain, secure);79     };80   };81   return new Cookie();82 })();