各位高手看看我这个代码哪里有问题？怎么改，谢谢…… - J2EE论坛 - JAVA论坛

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各位高手看看我这个代码哪里有问题？怎么改，谢谢……

<%@ page language="java" import="java.util.*" pageEncoding="utf-8" contentType="text/html"%>
<%
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>登录界面</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">
    

  </head>
  <script language="JavaScript">
function Validate()
{
//得到用户输入的信息
userid=form.userid.value;
userpass=form.userpass.value;
//判断用户名的长度
    if(!maxLength(userid,12))
        {
        alert("拥护名长度大于12！");
        form.userid.focuse();
        return false;
        }

    if(!maxLength(userpass,12))
        {
        alert("密码长度大于12！");
        form.userpass.focuse();
        return false;
        }

    //判断拥护名和密码是否一致
    if(userid==userpass)
        {
        alert("拥护名和密码不能相同");
        form.userpass.focuse();
        return false;
        }
return true;
}
//验证是否满足最小长度
function minLength(str,length)
    {
    if(str.length>=length)
        return true;
    else
         return false;
    }
function maxLength(str,length)
    {
    if(str.length<=length)
        return true;
    else
         return false;
    }

      window.open("http://www.baidu.com","window2")

</script>
  <body>
<form action="MyJsp2.jsp" onsubmit="return Validate();" method="post">
用户名：<input type="text" name="userid"><br>
密码：<input type="password" name="userpass"><br>
<input type="reset" value="重填" >
  <input type="submit" value="确定">
</form>
  </body>
</html>

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