非空验证
<body>
<table>
<tr>
<td>姓名：</td>
<td><input type="text" name="TrueName" id="TrueName" /></td>
</tr>
....省略其他input
<tr>
<td colspan="2">
<input type="submit" value="submit" onclick="return check();" />
</td>
</tr>
</table>
</body>
<script language="JavaScript">
function Check()
{
if(document.getElementById('TrueName').value=='') {
alert('必须输入姓名！');
document.getElementById('TrueName').focus();
return false;
}
if(document.getElementById('Identity').value=='') {
alert('必须输入身份证号码！');
document.getElementById('Identity').focus();
return false;
}
if(document.getElementById('Tel').value=='') {
alert('必须输入联系电话！');
document.getElementById('Tel').focus();
return false;
}
if(document.getElementById('Address').value=='') {
alert('必须输入联系地址！');
document.getElementById('Address').focus();
return false;
}
if(document.getElementById('WebID').value=='') {
alert('必须设置员工账号！');
document.getElementById('WebID').focus();
return false;
}
if(document.getElementById('PassWord').value=='') {
alert('密码不能为空！');
document.getElementById('PassWord').focus();
return false;
}
if(document.getElementById('PassWord').value!=document.getElementById('RPass').value) {
alert('两次输入的密码不一致！');
document.getElementById('PassWord').focus();
return false;
}
}
</script>
<script language="JavaScript">
function Check()
{
if(document.getElementById('TrueName').value=='') {
alert('必须输入姓名！');
document.getElementById('TrueName').focus();
return false;
}
if(document.getElementById('Identity').value=='') {
alert('必须输入身份证号码！');
document.getElementById('Identity').focus();
return false;
}
if(document.getElementById('Tel').value=='') {
alert('必须输入联系电话！');
document.getElementById('Tel').focus();
return false;
}
if(document.getElementById('Address').value=='') {
alert('必须输入联系地址！');
document.getElementById('Address').focus();
return false;
}
if(document.getElementById('WebID').value=='') {
alert('必须设置员工账号！');
document.getElementById('WebID').focus();
return false;
}
if(document.getElementById('PassWord').value=='') {
alert('密码不能为空！');
document.getElementById('PassWord').focus();
return false;
}
if(document.getElementById('PassWord').value!=document.getElementById('RPass').value) {
alert('两次输入的密码不一致！');
document.getElementById('PassWord').focus();
return false;
}
}
</script>
邮箱验证