1 function showCurrentDate(){ 2     var today,hour,second,minute,year,month,date; 3     var strDate ; 4     today=new Date(); 5     var n_day = today.getDay(); 6     switch (n_day) 7     { 8         case 0:{ 9           strDate = "星期日"10         }break;11         case 1:{12           strDate = "星期一"13         }break;14         case 2:{15           strDate ="星期二"16         }break;17         case 3:{18           strDate = "星期三"19         }break;20         case 4:{21           strDate = "星期四"22         }break;23         case 5:{24           strDate = "星期五"25         }break;26         case 6:{27           strDate = "星期六"28         }break;29         case 7:{30           strDate = "星期日"31         }break;32     }33     year = today.getYear()+1900;34     month = today.getMonth()+1;35     if(month<10){36         month="0"+month;37     }38     date = today.getDate();39     if(date<10){40         date="0"+date;41     }42     hour = today.getHours();43     if(hour<10){44         hour="0"+hour;45     }46     minute =today.getMinutes();47     if(minute<10){48         minute="0"+minute;49     }50     second = today.getSeconds();51     if(second<10){52         second="0"+second;53     }54     document.getElementById(‘currentDate‘).innerHTML = year + ":" + month + ":" + date + " " + strDate +" " + hour + ":" + minute + ":" + second; //显示时间55     window.setTimeout(‘showCurrentDate()‘,1000);56 }