Js time checking

jstimechecking.js

/*
 * 检查数据库时间离现在多久远了
 * 加载该js文件
 * 传入参数 dbtime
 * example : var dbtime = '2012-04-08 15:57:07';
 * 运行函数 getTimeCheck(dbtime)
 * 最后输出变量getTimeCheck
 * 20120916更新-使用继承的方式来输出结果值（尾部是demo，自行去掉demo使用）
 *
 */
var finalTime;
var count = 0;
var dbtime = Array();
dbtime[0] = "2012-09-14 23:25:21";
dbtime[1] = "2012-08-14 23:25:21";
dbtime[2] = "2012-09-14 22:25:21";
dbtime[3] = "2012-09-14 23:25:21";
dbtime[4] = "2012-09-14 11:25:21";
dbtime[5] = "2012-07-14 23:22:21";
var getTimeCheck = function (dbtime){
   this.time = dbtime;
}
// 定义getTimeCheck的原型，原型中的属性可以被自定义对象引用
getTimeCheck.prototype = {
   getTime: function() {
        var pasttime = [ 
          this.time.split(" ")[0].split("-")[0].substring(2),
          this.time.split(" ")[0].split("-")[1],
          this.time.split(" ")[0].split("-")[2],
          this.time.split(" ")[1].split(":")[0],
          this.time.split(" ")[1].split(":")[1],
          this.time.split(" ")[1].split(":")[2]
        ]; 

        //获取javascript 时间
        var today = new Date();
        var nowtime = [ 
          today.getYear()-100,
          today.getMonth()+1,
          today.getDate(),
          today.getHours(),
          today.getMinutes(),
          today.getSeconds()
        ]; 

        //console.log(nowtime[0] - pasttime[0]);
        var timename = ['年','个月','日','小时','分钟','秒'];
        //console.log(timename[0]);
        for ( i = 0 ; i < 6 ; i++ ){
          if ( pasttime[i] != nowtime[i]){
            var checktime = nowtime[i] - pasttime[i];
            if( checktime > 0 ){
              finalTime = checktime + timename [i] + '前';
              return finalTime;
            }
          }
        }
       //return this.time;
   }
}

for( var x in dbtime ){
  var hello =  new getTimeCheck(dbtime[x]); 
  console.log(hello.getTime());
}