jsp第9个作业

regist.jsp

<%@ 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>Regist</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>
        <center>
    <form action="doregist.jsp"  method="post">
           用户名:<input type="text" name="uname" value=""><br>
           密&nbsp;&nbsp;&nbsp;&nbsp;码:
           <input type="password" name="upwd" value=""><br>
           email:&nbsp;<input type="text" name="email" value=""><br>
           <input type="submit"  value="注册">
           <a href="login.jsp">返回</a>
           </form>
           </center>
  </body>
</html>

doregist.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page    import="com.ql.dao.*" %>
<%@page import="com.ql.entity.Users" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%
    request.setCharacterEncoding("utf-8");
    String uname = request.getParameter("uname");
    String upwd = request.getParameter("upwd");
    String email = request.getParameter("email");
    Users user = new Users();
    user.setUsername(uname);
    user.setPassword(upwd);
    user.setEmail(email);
    MsgDao md = new MsgDao();
    md.addUser(user);
    request.getRequestDispatcher("login.jsp").forward(request, response);
%>

//注册方法insert
    public boolean addUser(Users user){
        
        Connection con=null;
        try{
            //获取连接
            con = getConnection();
            //书写SQL语句
            String sql = "insert into Usersd(username,PASSWORD,email) values(?,?,?)";
            PreparedStatement st =con.prepareStatement(sql);
            st.setString(1,user.getUsername());
            st.setString(2, user.getPassword());
            st.setString(3, user.getEmail());
            int row = st.executeUpdate();
            if(row>0){
                //发送成功
                return true;
            }
            closeAll(con, st, null);
        }catch(SQLException e){
            e.printStackTrace();
        }
        return false;
    }

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