//验证是否合法日期
function CheckDate(strDate){
if(strDate.length>0){
var reg= /^(\d+)-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
if(!reg.test(strDate)){
return false;
}
}
return true;
}
function isStartEndDate(startDate,endDate){
//alert(startDate+"==="+endDate);
if(startDate.length>0&&endDate.length>0){
var startDateTemp = startDate.split(" ");
var endDateTemp = endDate.split(" ");
var arrStartDate = startDateTemp[0].split("-");
var arrEndDate = endDateTemp[0].split("-");
var arrStartTime = startDateTemp[1].split(":");
var arrEndTime = endDateTemp[1].split(":");
var allStartDate = new Date(arrStartDate[0],arrStartDate[1],arrStartDate[2],arrStartTime[0],arrStartTime[1],arrStartTime[2]);
var allEndDate = new Date(arrEndDate[0],arrEndDate[1],arrEndDate[2],arrEndTime[0],arrEndTime[1],arrEndTime[2]);
if(allStartDate.getTime()>allEndDate.getTime()){
return false;
}
}
return true;
}
function checkAskDate(StartDate,EndDate){
if(!CheckDate(StartDate.value)){
alert("开始日期格式不正确!\n正确格式为:2004-01-01 00:00");
StartDate.focus();
return false;
}
if(!CheckDate(EndDate.value)){
alert("结束日期格式不正确!\n正确格式为:2004-01-01 00:00");
EndDate.focus();
return false;
}
if(!isStartEndDate(StartDate.value,EndDate.value)){
alert("开始日期不能大于结束日期");
return false;
}
return true;
}
============================================================================
日期格式:XXXX年-XX月-XX日
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
function judgeDate()
{
var date1 = document.getElementById("dt1").value.replace(/-/g, "/");
var date2 = document.getElementById("dt2").value.replace(/-/g, "/");
var d1 = new Date(date1);
var d2 = new Date(date2);
if(Date.parse(d1) - Date.parse(d2)==0)
{
alert(date1+"等于"+date2)
}
if(Date.parse(d1) - Date.parse(d2)<0)
{
alert(date1+"晚于"+date2)
}
if(Date.parse(d1) - Date.parse(d2)>0)
{
alert(date1+"早于"+date2)
}
}
</SCRIPT>
</HEAD>
<BODY>
<input id="dt1" value="2007-09-09" />
<input id="dt2" value="2007-10-10"/>
<input type="button" value="提交" onclick="judgeDate()"/>
</BODY>
</HTML>
=============================================================
<script language="JavaScript">
function test(str1,str2)
{
var d1 = new Date(str1);
var d2 = new Date(str2);
if(Date.parse(d1) - Date.parse(d2)==0)
{
alert(str1+"等于"+str2)
}
if(Date.parse(d1) - Date.parse(d2)<0)
{
alert(str1+"早于"+str2)
}
if(Date.parse(d1) - Date.parse(d2)>0)
{
alert(str1+"晚于"+str2)
}
}
</script>
<input type="button" value="确定" onclick="test('2005/4/12','2006/4/12')">