简单的写了一个:
<script>
function check()
{
var d1=document.getElementById('d1').value;
var d2=document.getElementById('d2').value;
var regx=/\d{4}-\d{1,2}-\d{1,2}/;
if(!(regx.test(d1)&®x.test(d2)))
{
alert('日期格式错误');return;
}
if(parseInt(d1.split('-')[1])>12||parseInt(d2.split('-')[1])>12)
{
alert('月份不能大于12');return;
}
if(parseInt(d1.split('-')[2])>31||parseInt(d2.split('-')[2])>31)
{
alert('月份不能大于31');return;
} if(parseInt(d1.replace(/-/g,''))>parseInt(d2.replace(/-/g,'')))
{
alert('日期一大于二');return;
}
alert('日期一小于二');
}
</script>
<body>
日期一:<input type=text id="d1"><br>
日期二:<input type=text id="d2"><br>
<input type=button value="验证" onclick="check()">
</body>
<script>
function check()
{
var d1=document.getElementById('d1').value;
var d2=document.getElementById('d2').value;
var regx=/\d{4}-\d{1,2}-\d{1,2}/;
if(!(regx.test(d1)&®x.test(d2)))
{
alert('日期格式错误');return;
}
if(parseInt(d1.split('-')[1])>12||parseInt(d2.split('-')[1])>12)
{
alert('月份不能大于12');return;
}
if(parseInt(d1.split('-')[2])>31||parseInt(d2.split('-')[2])>31)
{
alert('月份不能大于31');return;
} if(parseInt(d1.replace(/-/g,''))>parseInt(d2.replace(/-/g,'')))
{
alert('日期一大于二');return;
}
alert('日期一小于二');
}
</script>
<body>
日期一:<input type=text id="d1"><br>
日期二:<input type=text id="d2"><br>
<input type=button value="验证" onclick="check()">
</body>
var regx=/\d{4}-\d{1,2}-\d{1,2}/;
====>
var regx=/^\d{4}-\d{1,2}-\d{1,2}$/;
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function check(){
String.prototype.isDate = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}String.prototype.isTime = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}
//2002-1-31 12:34:56
var datavalue = document.forms[0].textfield.value ;
if(!(datavalue.isTime())){
alert("输入日期错误:XXXX-XX-XX XX:XX:XX");
document.forms[0].textfield.select();
return false;
}var datavalue2 = document.forms[0].textfield2.value ;
if(!(datavalue2.isDate())){
alert("输入日期错误2:XXXX-XX-XX");
document.forms[0].textfield2.select();
return false;
}}</SCRIPT>
</head>
<body ><form name="form1" method="post" onsubmit="return check();">
<p>
<input type="text" name="textfield">
<input type="text" name="textfield2">
</p>
<p> <input type="submit" name="Submit" value="提交">
</p>
</form>
</body>
</html>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function check(){
String.prototype.isDate = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}String.prototype.isTime = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}
//2002-1-31 12:34:56
var datavalue = document.forms[0].textfield.value ;
if(!(datavalue.isDate())){
alert("输入日期错误:XXXX-XX-XX XX:XX:XX");
document.forms[0].textfield.select();
return false;
}var datavalue2 = document.forms[0].textfield2.value ;
if(!(datavalue2.isDate())){
alert("输入日期错误2:XXXX-XX-XX");
document.forms[0].textfield2.select();
return false;
}}</SCRIPT>
</head>
<body ><form name="form1" method="post" onsubmit="return check();">
<p>
<input type="text" name="textfield">
<input type="text" name="textfield2">
</p>
<p> <input type="submit" name="Submit" value="提交">
</p>
</form>
</body>
</html>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function check(){
String.prototype.isDate = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}String.prototype.isTime = function()
{
var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);
if(r==null)return false; var d = new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}
//2002-1-31 12:34:56
var datavalue = document.forms[0].textfield.value ;
if(datavalue == ""){
alert("输入日期不能为空");
document.forms[0].textfield.select();
return false;
}
if(!(datavalue.isDate())){
alert("输入日期错误:XXXX-XX-XX");
document.forms[0].textfield.select();
return false;
}var datavalue2 = document.forms[0].textfield2.value ;
if(datavalue2 == ""){
alert("输入日期不能为空");
document.forms[0].textfield2.select();
return false;
}
if(!(datavalue2.isDate())){
alert("输入日期错误2:XXXX-XX-XX");
document.forms[0].textfield2.select();
return false;
}}</SCRIPT>
</head>
<body ><form name="form1" method="post" onsubmit="return check();">
<p>
<input type="text" name="textfield">
<input type="text" name="textfield2">
</p>
<p> <input type="submit" name="Submit" value="提交">
</p>
</form>
</body>
</html>