1             timer = window.setInterval(function () {
 2                 if (IsStopTime) {
 3                     clearInterval(timer);
 4                 } else {
 5                     if (maxtime > 0) {
 6                         var minutes = Math.floor(maxtime / 60);
 7                         var seconds = Math.floor(maxtime % 60);
 8 
 9                         var minuteStr = "" + minutes;
10                         if (minutes < 10) {
11                             minuteStr = "0" + minuteStr;
12                         }
13 
14                         var secondStr = "" + seconds;
15                         if (seconds < 10) {
16                             secondStr = "0" + secondStr;
17                         }
18 
19                         var timespanStr = minuteStr + ":" + secondStr;
20 
21                         $("#j_timer").html(timespanStr);
22 
23                         maxtime--;
24                         residueTime++;
25                     }
26                     else {
27                         clearInterval(timer);
28                         mui.alert("时间到，自动提交!");
29                     }
30                 }
31             }, 1000);