var cookie ={
					get:function(c_name){
						if(document.cookie.length>0){
  							c_start=document.cookie.indexOf(c_name + "=")
  						if (c_start!=-1){ 
    						c_start=c_start + c_name.length+1 
    						c_end=document.cookie.indexOf(";",c_start)
    						if (c_end==-1) c_end=document.cookie.length
    						return unescape(document.cookie.substring(c_start,c_end))
    					} 
  						}
						return ""
					},
					set:function(c_name,value,expiredays){
						var exdate=new Date()
						exdate.setDate(exdate.getDate()+expiredays)
						document.cookie=c_name+ "=" +escape(value)+
						((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
					}
				}

				var api ={
						getJSON:function(url,data,cb){
							debugger;
							var ok = this.sessionOver();
							if(!ok){
								//清除登录信息,token过期
								cookie.set("token",'');
							}

							$.getJSON(url,data,function(data){
								debugger;
								cb(data);
							})
						},
						sessionOver:function(){
							var timestamp = Date.parse(new Date());
							var t = cookie.get("t");
							if(t==''){
								cookie.set("t",timestamp,30);
								return true;
							}else{
								var timespan= (timestamp-t)/1000;
								cookie.set("t",timestamp,30);
								if(timespan>1200){
									return false;
								}
								return true;
							}
						}
				}

				var url = 'http://cookhome.local/api/zp/jobs';
				api.getJSON(url,{},function(data){
					console.log(data);
				});

  

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