Javascript获取当前时间函数和时间操作小结

    /*获取当前时间*/
    function getCurrentDate()
    {
      var timeStr = '';
      var curDate = new Date();
      var curMonth = curDate.getMonth()+1;  //获取当前月份(0-11,0代表1月)
      var curDay = curDate.getDate();       //获取当前日(1-31)
      var curWeekDay = curDate.getDay();    //获取当前星期X(0-6,0代表星期天)
      var curHour = curDate.getHours();      //获取当前小时数(0-23)
     var curMinute = curDate.getMinutes();   // 获取当前分钟数(0-59)
     var curSec =curDate.getSeconds();      //获取当前秒数(0-59)
     timeStr = curMonth+'月'+curDay+'日 周';
     switch(curWeekDay)
     {
       case 0:timeStr += '日';break;
       case 1:timeStr += '一';break;
       case 2:timeStr += '二';break;
       case 3:timeStr += '三';break;
       case 4:timeStr += '四';break;
       case 5:timeStr += '五';break;
       case 6:timeStr += '六';break;
     }
     if(curHour < 10)
     {
       if(curMinute < 10)
       {
         if(curSec < 10)
         {
           timeStr += ' 0'+curHour+':0'+curMinute+':0'+curSec;
         }
         else
         {
           timeStr += ' 0'+curHour+':0'+curMinute+':'+curSec;
         }
       }
       else
       {
         if(curSec < 10)
         {
           timeStr += ' 0'+curHour+':'+curMinute+':0'+curSec;
         }
         else
         {
           timeStr += ' 0'+curHour+':'+curMinute+':'+curSec;
         }
       }
     }
     else
     {
       if(curMinute < 10)
       {
         if(curSec < 10)
         {
           timeStr += ' '+curHour+':0'+curMinute+':0'+curSec;
         }
         else
         {
           timeStr += ' '+curHour+':0'+curMinute+':'+curSec;
         }
       }
       else
       {
         if(curSec < 10)
         {
           timeStr += ' '+curHour+':'+curMinute+':0'+curSec;
         }
         else
         {
           timeStr += ' '+curHour+':'+curMinute+':'+curSec;
         }
       }
     }
     $("#time").text(timeStr);
   }