日期:2014-05-17  浏览次数:21136 次

JSP新手求助
<%@ page language="java" contentType="text/html; charset=gb2312"
     pageEncoding="gb2312"%>
 <%@ page import="java.lang.*,java.io.*,java.sql.*,java.util.*" %>   
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <%@page import="com.sun.org.apache.bcel.internal.generic.IF_ICMPLE"%>
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
 <title>Insert title here</title>
 </head>
 <body>

<%  String name=request.getParameter("username"); 
String nname=request.getParameter("Nickname"); 
    String psw=request.getParameter("pwd").trim();
    String ppsw=request.getParameter("pwdconfirm").trim();
    String email=request.getParameter("email");
    String que=request.getParameter("question");
    String ans=request.getParameter("answer"); 
    Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    String url="jdbc:sqlserver://localhost:1433;DatabaseName=bgh";
    String user="sa";   
String pwd="123456";
    Connection cn=DriverManager.getConnection(url,user,pwd);
    Statement stmt=cn.createStatement();
String sql1="select * from user_info where username ='"+name+"'";
 Statement stmt1=cn.createStatement();
    ResultSet rs=stmt1.executeQuery(sql1); 
 if(rs.next()) 
    {    
       out.println("<br><br><center><B>请重新注册</B></center>");
       out.println("<script>alert('对不起,用户名"+name+"已存在');location.replace('reg.jsp');</script>"); 
       
     }else if(!psw.equals(ppsw)){
     out.println("<script>alert('前后密码不一致,请确定密码');location.replace('reg.jsp')</script>");    
     }
 else 
    {
    int insertResult=0;
     String sql2="INSERT INTO user_info(username,Nickname,pwd,email,question,answer) VALUES('"+name+"','"+nname+"','"+psw+"','"+email+"','"+que+"','"+ans+"',)";   
     insertResult=stmt.executeUpdate(sql2);
     if(insertResult==0)
     { 
      out.println("<script>alert('注册不成功');location.replace('reg.jsp')</script>"); }
     else
     { 
           out.println("<br><br><center><B>注册成功</B></center>");
           out.println("<br><br><center>您的用户名是:"+name+"</center>");
   out.println("<br><center>您的密码是: "+nname+"</center>"); 
     &nb