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  • 原生JavaScript常用本地浏览器存储方法五(LocalStorage+userData的一个浏览器兼容类)

    基于LocalStorage+globalStorage+userData实现的一个本地存储类

    userData用来兼容ie6 ie7

    由userData模仿Session的方法:浏览器关闭删除保存的记录

      1 var userStorage = {
      2     isIE : null,
      3     Local : function(){
      4         if(document.all){
      5             var oUserData;
      6             if(!userStorage.isIE){
      7                 userStorage.isIE =(function(){
      8                 oUserData = document.body;
      9                 oUserData.addBehavior("#default#userdata");
     10                 })();
     11             }
     12             return {
     13                 set : function(key,value){
     14                     oUserData.setAttribute(key,value);
     15                     oUserData.save("UserData");
     16                 },
     17                 get : function(key){
     18                     oUserData.load("UserData");
     19                     return oUserData.getAttribute(key);
     20                 },
     21                 del : function(key){
     22                     oUserData.load("UserData");
     23                     oUserData.removeAttribute(key);
     24                     oUserData.save("UserData");
     25                 }
     26             }
     27         }else{
     28             var localStorage = window.localStorage;
     29             return {
     30                 set : function(key,value){
     31                     localStorage.setItem(key,value);
     32                 },
     33                 get : function(key){
     34                     return localStorage.getItem(key);
     35                 },
     36                 del : function(key){
     37                     localStorage.removeItem(key);
     38                 }
     39             }
     40         }
     41     },
     42     Session : function(){
     43         if(document.all){
     44             var oUserData;
     45             if(!userStorage.isIE){
     46                 userStorage.isIE =(function(){
     47                 oUserData = document.body;
     48                 oUserData.addBehavior("#default#userdata");
     49                 })();
     50             }
     51             return {
     52                 set : function(key,value){
     53                     oUserData.setAttribute(key,value);
     54                     oUserData.save("UserData");
     55                     window.attachEvent('onbeforeunload', function(event){   
     56                         if(event.clientX <= 0 || event.clientY <=0){
     57                             oUserData.load("UserData");
     58                             oUserData.removeAttribute(key);
     59                             oUserData.save("UserData");
     60                         }
     61                     });
     62                 },
     63                 get : function(key){
     64                     oUserData.load("UserData");
     65                     return oUserData.getAttribute(key);
     66                 },
     67                 del : function(key){
     68                     oUserData.load("UserData");
     69                     oUserData.removeAttribute(key);
     70                     oUserData.save("UserData");
     71                 }
     72             }
     73         }else{
     74             var sessionStorage = window.sessionStorage;
     75             return {
     76                 set : function(key,value){
     77                     sessionStorage.setItem(key,value);
     78                 },
     79                 get : function(key){
     80                     return sessionStorage.getItem(key);
     81                 },
     82                 del : function(key){
     83                     sessionStorage.removeItem(key);
     84                 }
     85             }
     86         }
     87     },
     88     closeWindow : function(){
     89 
     90     }
     91 }
     92 
     93 var Local = new userStorage.Local();
     94 Local.set("name","dtdxrk");
     95 alert(Local.get("name"));
     96 Local.del("name");
     97 
     98 
     99 var Session = new userStorage.Session();
    100 Session.set("age","30");
    101 alert(Session.get("age"));
    102 Session.del("age");
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  • 原文地址:https://www.cnblogs.com/dtdxrk/p/3527130.html
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