//计算使用多长时间
		//faultDate 开始时间,completeTime结束时间
		function dateDifference(faultDate,completeTime){
			// let d1 = new Date(faultDate);
			// let d2 = new Date(completeTime);
			var stime =new Date(faultDate).getTime();

			var etime = new Date(completeTime).getTime();
			//var etime = Date.parse(new Date());
			var usedTime = etime - stime;  //两个时间戳相差的毫秒数
			var days=Math.floor(usedTime/(24*3600*1000));
			//计算出小时数
			var leave1=usedTime%(24*3600*1000);    //计算天数后剩余的毫秒数
			var hours=Math.floor(leave1/(3600*1000));
			//计算相差分钟数
			var leave2=leave1%(3600*1000);        //计算小时数后剩余的毫秒数
			var minutes=Math.floor(leave2/(60*1000));
			 var time = days + "天"+hours+"时"+minutes+"分";
			// var time = days;
			return time;
		}