JSDateFunction.js
上传用户:sami52198
上传日期:2010-02-11
资源大小:5174k
文件大小:1k
- function isDateString(sDate)
- { var iaMonthDays = [31,28,31,30,31,30,31,31,30,31,30,31]
- var iaDate = new Array(3)
- var year, month, day
- if (arguments.length != 1) return false
- iaDate = sDate.toString().split("-")
- if (iaDate.length != 3) return false
- if (iaDate[1].length > 2 || iaDate[2].length > 2) return false
- year = parseFloat(iaDate[0])
- month = parseFloat(iaDate[1])
- day=parseFloat(iaDate[2])
- if (year < 1900 || year > 2100) return false
- if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) iaMonthDays[1]=29;
- if (month < 1 || month > 12) return false
- if (day < 1 || day > iaMonthDays[month - 1]) return false
- return true
- }
- function stringToDate(sDate, bIgnore)
- { var bValidDate, year, month, day
- var iaDate = new Array(3)
-
- if (bIgnore) bValidDate = true
- else bValidDate = isDateString(sDate)
-
- if (bValidDate)
- { iaDate = sDate.toString().split("-")
- year = parseFloat(iaDate[0])
- month = parseFloat(iaDate[1]) - 1
- day=parseFloat(iaDate[2])
- return (new Date(year,month,day))
- }
- else return (new Date(1900,1,1))
- }