JavaScript表单印证
日期：2014-05-16 浏览次数：20350 次
JavaScript表单验证
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<script language="javascript">
function check(){
var lname=/\w/;
var cardid=/^\d{15}(\d{2}[A-Z a-z 0-9])?$/;
var phone=/^1[3,5,8]\d{9}$/;
var email=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
if(document.reg.sid.value=="")
{
alert("你还没有输入学号");
document.reg.sid.focus();
return false;
}
if(document.reg.sname.value=="")
{
alert("你还没有输入姓名");
document.reg.sname.focus();
return false;
}
if(document.reg.loginname.value=="")
{
alert("你还没有输入登陆名");
document.reg.sname.focus();
return false;
}
if(!lname.test(document.reg.loginname.value))
{
alert("输入的登录名不合法");
document.reg.loginname.value="";
document.reg.loginname.focus();
return false;
}
if(document.getElementById("s1").checked==false && document.getElementById("s2").checked==false)
{
alert("你还没有选择性别");
return false;
}
if(document.reg.sage.value=="")
{
alert("你还没有输入年龄");
document.re
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<script language="javascript">
function check(){
var lname=/\w/;
var cardid=/^\d{15}(\d{2}[A-Z a-z 0-9])?$/;
var phone=/^1[3,5,8]\d{9}$/;
var email=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
if(document.reg.sid.value=="")
{
alert("你还没有输入学号");
document.reg.sid.focus();
return false;
}
if(document.reg.sname.value=="")
{
alert("你还没有输入姓名");
document.reg.sname.focus();
return false;
}
if(document.reg.loginname.value=="")
{
alert("你还没有输入登陆名");
document.reg.sname.focus();
return false;
}
if(!lname.test(document.reg.loginname.value))
{
alert("输入的登录名不合法");
document.reg.loginname.value="";
document.reg.loginname.focus();
return false;
}
if(document.getElementById("s1").checked==false && document.getElementById("s2").checked==false)
{
alert("你还没有选择性别");
return false;
}
if(document.reg.sage.value=="")
{
alert("你还没有输入年龄");
document.re
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