Javascript对日期的月份加减做法



<script type="text/javascript">

function load(){
 var date  = new Date();
 var month = null;
 for(var i = 0 ; i < 4; i ++){
 
      month = getMon(date.getMonth());
      document.write( date.getYear()+'年'+month+'月' ) ;
      date.setMonth(date.getMonth() + 1);
  
   }
}
function getMon(mon){
 
    switch(mon){
        case 0: return week = "01";break;
        case 1: return week = "02";break;
        case 2: return week = "03";break;
        case 3: return week = "04";break;
        case 4: return week = "05";break;
        case 5: return week = "06";break;
        case 6: return week = "07";break;
        case 7: return week = "08";break;
        case 8: return week = "09";break;
        case 9: return week = "10";break;
        case 10:return week = "11";break;
        case 11:return week = "12";break;
   }
}

</script>

  例如: 日期为 2014/10

  结果为：2014年10月    2014年11月    2014年12月  2015年01月