javascript通过数日两个日期之间的比较分离

$(function () {
 var starttime = transdate("2014-09-30 15:53:00");
 var endtime = transdate("2014-10-03 15:53:00");
      
 var now = "'"+new Date().getTime()+"'";
 var nowtime = now.substr(1,10);
      
 if(nowtime > endtime){
  $('.meeting_time').html('展会已结束');
 }else if(nowtime < starttime){
  var day = get_date_different(nowtime,starttime);
  $('.meeting_time').html('距展会開始还有'+day+'天');
 }else{
  $('.meeting_time').html('展会进行中');
 }
});
function get_(www.111cn.net)date_different(date_1,date_2){
 var days= date_2 - date_1; 
 var time = parseInt(days / (60 * 60 * 24)); 
 return time;
} 
function transdate(endTime){
 var date=new Date();
 date.setFullYear(endTime.substring(0,4));
 date.setMonth(endTime.substring(5,7)-1);
 date.setDate(endTime.substring(8,10));
 date.setHours(endTime.substring(11,13));
 date.setMinutes(endTime.substring(14,16));
 date.setSeconds(endTime.substring(17,19));
 return Date.parse(date)/1000;
}from:http://www.111cn.net/wy/js-ajax/66437.htm

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