非空驗證 <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 ty ...
非空驗證
<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('必須輸入姓名！');
document.getElementById('TrueName').focus();
return false;
}
if(document.getElementById('Identity').value=='') {
alert('必須輸入身份證號碼！');
document.getElementById('Identity').focus();
return false;
}
if(document.getElementById('Tel').value=='') {
alert('必須輸入聯繫電話！');
document.getElementById('Tel').focus();
return false;
}
if(document.getElementById('Address').value=='') {
alert('必須輸入聯繫地址！');
document.getElementById('Address').focus();
return false;
}
if(document.getElementById('WebID').value=='') {
alert('必須設置員工賬號！');
document.getElementById('WebID').focus();
return false;
}
if(document.getElementById('PassWord').value=='') {
alert('密碼不能為空！');
document.getElementById('PassWord').focus();
return false;
}
if(document.getElementById('PassWord').value!=document.getElementById('RPass').value) {
alert('兩次輸入的密碼不一致！');
document.getElementById('PassWord').focus();
return false;
}
}
</script>
<script language="JavaScript">
function Check()
{
if(document.getElementById('TrueName').value=='') {
alert('必須輸入姓名！');
document.getElementById('TrueName').focus();
return false;
}
if(document.getElementById('Identity').value=='') {
alert('必須輸入身份證號碼！');
document.getElementById('Identity').focus();
return false;
}
if(document.getElementById('Tel').value=='') {
alert('必須輸入聯繫電話！');
document.getElementById('Tel').focus();
return false;
}
if(document.getElementById('Address').value=='') {
alert('必須輸入聯繫地址！');
document.getElementById('Address').focus();
return false;
}
if(document.getElementById('WebID').value=='') {
alert('必須設置員工賬號！');
document.getElementById('WebID').focus();
return false;
}
if(document.getElementById('PassWord').value=='') {
alert('密碼不能為空！');
document.getElementById('PassWord').focus();
return false;
}
if(document.getElementById('PassWord').value!=document.getElementById('RPass').value) {
alert('兩次輸入的密碼不一致！');
document.getElementById('PassWord').focus();
return false;
}
}
</script>
郵箱驗證
<script type="text/javascript"> //驗證郵箱格式 function isEmail() { var email=document.getElementById("zh_e").value; if(email=="") { alert("請輸入郵箱！"); document.getElementById("zh_e").focus(); return false; } var pattern= /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/; strEmail=pattern.test(email); if (strEmail) { return true; } else { alert("郵箱格式不正確！"); } } </script> 實現功能：當滑鼠焦點離開文本框時觸發該事件。onblur=“isEmail” [ onblur()失去焦點時觸發事件 ] <body> <input type="text" maxlength="32" style="width:220px;" onblur="isEmail()" id="zh_e"/> </body>
