var list=[
 		{name:"", jsond:"jetext:'aaaa'", id:""},
 		{name:"", jsond:"jetext:'aaaa'", id:""},
 		]
 list.forEach(function(item,index){
 	item.jsond  = JSON.parse(item.jsond);;
 });
 //可直接改變list；

//判斷是否已經(jīng)過30分鐘
Array.forEach((r) => { 
        let start = new Date(r.tdrq.replace(/-/g, "-")).getTime();
        // 之前的時(shí)間加多少分鐘，這里是30
        let endTime = start + 30 * 60000; //下單后30分鐘后的時(shí)間
        let date = new Date(); //現(xiàn)在時(shí)間
        let now = date.getTime(); //現(xiàn)在時(shí)間戳
        let allTime = endTime - now;
        console.log(date,now,allTime);
        if(allTime<0){
          r.updateLy = false;  //說明已過30分鐘
        }else{
          r.updateLy = true; 
        }          
      })