Javascript时间操作小结

来源：http://www.ido321.com/847.html

在项目需要一个计时器，效果如下：



js代码

1: /*获取当前时间*/

2: function getCurrentDate()

3: {

4:   var timeStr = '';

5:   var curDate = new Date();

6:   var curMonth = curDate.getMonth()+1;  //获取当前月份(0-11,0代表1月)

7:   var curDay = curDate.getDate();       //获取当前日(1-31)

8:   var curWeekDay = curDate.getDay();    //获取当前星期X(0-6,0代表星期天)

9:   var curHour = curDate.getHours();      //获取当前小时数(0-23)

10:   var curMinute = curDate.getMinutes();   // 获取当前分钟数(0-59)

11:   var curSec =curDate.getSeconds();      //获取当前秒数(0-59)

12:   timeStr = curMonth+'月'+curDay+'日 周';

13:   switch(curWeekDay)

14:   {

15:     case 0:timeStr += '日';break;

16:     case 1:timeStr += '一';break;

17:     case 2:timeStr += '二';break;

18:     case 3:timeStr += '三';break;

19:     case 4:timeStr += '四';break;

20:     case 5:timeStr += '五';break;

21:     case 6:timeStr += '六';break;

22:   }

23:   if(curHour < 10)

24:   {

25:     if(curMinute < 10)

26:     {

27:       if(curSec < 10)

28:       {

29:         timeStr += ' 0'+curHour+':0'+curMinute+':0'+curSec;

30:       }

31:       else

32:       {

33:         timeStr += ' 0'+curHour+':0'+curMinute+':'+curSec;

34:       }

35:     }

36:     else

37:     {

38:       if(curSec < 10)

39:       {

40:         timeStr += ' 0'+curHour+':'+curMinute+':0'+curSec;

41:       }

42:       else

43:       {

44:         timeStr += ' 0'+curHour+':'+curMinute+':'+curSec;

45:       }

46:     }

47:   }

48:   else

49:   {

50:     if(curMinute < 10)

51:     {

52:       if(curSec < 10)

53:       {

54:         timeStr += ' '+curHour+':0'+curMinute+':0'+curSec;

55:       }

56:       else

57:       {

58:         timeStr += ' '+curHour+':0'+curMinute+':'+curSec;

59:       }

60:     }

61:     else

62:     {

63:       if(curSec < 10)

64:       {

65:         timeStr += ' '+curHour+':'+curMinute+':0'+curSec;

66:       }

67:       else

68:       {

69:         timeStr += ' '+curHour+':'+curMinute+':'+curSec;

70:       }

71:     }

72:   }

73:   $("#time").text(timeStr);

74: }

然后条用这个函数就行。

最后，对Javascript日期的部分函数做个小结：

var myDate = new Date();

myDate.getYear(); //获取当前年份(2位)

myDate.getFullYear(); //获取完整的年份(4位,1970-????)

myDate.getMonth(); //获取当前月份(0-11,0代表1月)

myDate.getDate(); //获取当前日(1-31)

myDate.getDay(); //获取当前星期X(0-6,0代表星期天)

myDate.getTime(); //获取当前时间(从1970.1.1开始的毫秒数)

myDate.getHours(); //获取当前小时数(0-23)

myDate.getMinutes(); //获取当前分钟数(0-59)

myDate.getSeconds(); //获取当前秒数(0-59)

myDate.getMilliseconds(); //获取当前毫秒数(0-999)

myDate.toLocaleDateString(); //获取当前日期

var mytime=myDate.toLocaleTimeString(); //获取当前时间

myDate.toLocaleString( ); //获取日期与时间