关于localStorage的数据封装，以及快速使用.....

来源：互联网发布：本地windows调试器编辑：程序博客网时间：2024/06/06 08:34

var _localStorage={                         put:function(key,stringVal,time){                  try{                      if(!localStorage){return false;}                      if(!time || isNaN(time)){time=60;}                      var cacheExpireDate = (new Date()-1)+time*1000;                      var cacheVal = {val:stringVal,exp:cacheExpireDate};                      localStorage.setItem(key,JSON.stringify(cacheVal));//存入缓存值                  }catch(e){}               },              get:function (key){                  try{                      if(!localStorage){return false;}                      var cacheVal = localStorage.getItem(key);                      var result = JSON.parse(cacheVal);                      var now = new Date()-1;                      if(!result){return null;}//缓存不存在                      if(now>result.exp){//缓存过期                          this.remove(key);                                             return "";                      }                    return result.val;                  }catch(e){                      this.remove(key);                      return null;                  }              },            remove : function(key){                  if(!localStorage){return false;}                  localStorage.removeItem(key);              },            clear : function(){                  if(!localStorage){return false;}                  localStorage.clear();              }          }

阅读全文

0 0