<%@ page contentType="text/html;charset=gb2312"%>

<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.userpassword.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>

<html>

<head>

<title>新用户注册</title>

</head>

<body>

<form method="POST" action="/javaweb/AcceptUserRegist" name="form1" onsubmit="return on_submit()">

  新用户注册<br>

  用户名(*)：<input type="text" name="username" size="20"><br>

  密&nbsp; 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="8">7</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<br>

  电子邮箱(*)：<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>

package yqq.request.study;

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class AcceptUserRegist extends HttpServlet{

    public String codeToString(String str){//处理中文字符串的函数

    String s=str;

    try{

      byte tempB[]=s.getBytes("ISO-8859-1");

      s=new String(tempB);

      return s;

    }catch(Exception e){

      return s;

    }

  }

  public void init(ServletConfig config) throws ServletException{

      super.init(config);

    }

  public  void  doPost(HttpServletRequest request,HttpServletResponse response)

                        throws ServletException,IOException{

       //设置mime

       response.setContentType("text/html;charset=GB2312");

       PrintWriter out=response.getWriter();

       out.println("<HTML><head><title>接收新用户注册</title></head> <BODY>");

       out.println("这是新用户注册所提交的数据：<br>");

       out.println("用户名是："+codeToString(request.getParameter ("username")) +"<br>");

       out.println("密码是："+codeToString(request.getParameter ("userpassword"))+ "<br>");

       out.println("性别是："+codeToString(request.getParameter ("sex")) +"<br>");

       out.println("出生年月是:"+request.getParameter("year")+ request.getParameter ("month")+request.getParameter("day")+"<br>");

       out.println("电子邮箱是："+request.getParameter("email")+"<br>");

       out.println("家庭住址是："+codeToString(request.getParameter("address"))+ "<br>");

       out.println("</body> </html>");

    }

}