JSP简单练习-用户注册表单

<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<script language="javascript">
     function on_submit()
     { // 验证数据的合法性
         if(form1.username.value=="")
         {
              alert("用户名不能为空,请输入用户名!");
              form1.username.focus();
              return false;
         }
         if(form1.userpassword.value=="")
         {
              alert("用户密码不能为空,请输入密码!");
              form1.username.focus();
              return false;
         }
         if(form1.reuserpassword.value=="")
         {
              alert("用户确认密码不能为空,请输入密码!");
              form1.reuserpassword.focus();
              return false;
         }
         if(form1.userpassword.value!=form1.reuserpassword.value)
         {
             alert("密码与确认密码不同");
             form1.userpassword.focus();
             return false;
         }
         if(form1.email.value.length==0)
         {
             for(i=0;i<form1.email.value.length;i++)
             {
                  if(form1.email.value.charAt(i)=="@")
                      break;
                  if(i==form1.email.value.length)
                  {
                      alert("非法E-Mail地址");
                      form1.email.focus();
                      return false;
                  }
             }
         }
         else
         {
             alert("请输入E-mail!");
             form1.email.focus();
             return false;
         }
     }
</script>
  <head>
    <meta http-equiv="Content-Type content="text/html; charset=gb2312">
    <base href="<%=basePath%>">
    
    <title>新用户注册</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>
  
  <body>
  <form method="post" action="regist.jsp" name="form1" onsubmit="return on_submit()">
      新用户注册<br>
      用户名(*):<input type="text" name="username" size="20"><br>
      密 码(*):<input type="password" name="userpassword" size="20"><br>
      再输一次密码(*):<input type="password" name="reuserpassword" size="20"><br>
      性别:<input type="radio" value="男" checked name="sex">男
      <input type="radio" name="sex" value="女">女<br>
      出生年月:<input name="year" size="4" maxlength=4>年
      <select name="month">
            <option value="1" selected>1</option>
            <option value="2">2</option>
            <option value="3">3</option>
            <option value="4">4</option>
            <option value="5">5</option>
            <option value="6">6</option>
            <option value="7">7</option>
            <option value="8">8</option>
            <option value="9">9</option>
            <option value="10">10</option>
            <option value="11">11</option>
            <option value="12">12</option>
      </select>月
      <input name="day" size="3" maxlength=4>日</td><br>
      电子邮件(*):<input name="E-mail" maxlength=28><br>
      家庭住址:<input type="text" name="address" size="20"><br>
      <input type="submit" value="提交" name="B1"><input type="reset" value="全部重写" name="B2"><br>
  </form>
  </body>
</html>

JSP简单练习-用户注册表单,古老的榕树,5-wow.com

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