第七周jsp 

<form action="dologin.jsp" method="post">
    用户名：<input id="username" type="text" name="username"/><br/>
    密码：<input id="password" type="password" name="password"/><br/>
<%--    验证码：<input type="text" name="inputVcode"/><img src="/WebProject_war_exploded/createCode"><br/>--%>
    <input type="submit" value="注册">
</form>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%
    String uname = request.getParameter("username");
    String upwd = request.getParameter("password");

    dlBean dlbean = new dlBean();
    dlbean.setUname(uname);
    dlbean.setUpwd(upwd);

    dlDAO dlDAO = new dlDAO();
    Integer res = dlDAO.insert(dlbean);
    if (res>0){
        response.sendRedirect("success.jsp");
    }
%>
package com.dx.entity;

public class dlBean {
    private int uid;
    private String uname;
    private String upwd;

    public dlBean() {
    }

    public dlBean(int uid, String uname, String upwd) {
        this.uid = uid;
        this.uname = uname;
        this.upwd = upwd;
    }

    @Override
    public String toString() {
        return "dlBean{" +
                "uid=" + uid +
                ", uname='" + uname + '\'' +
                ", upwd='" + upwd + '\'' +
                '}';
    }

    public int getUid() {
        return uid;
    }

    public void setUid(int uid) {
        this.uid = uid;
    }

    public String getUname() {
        return uname;
    }

    public void setUname(String uname) {
        this.uname = uname;
    }

    public String getUpwd() {
        return upwd;
    }

    public void setUpwd(String upwd) {
        this.upwd = upwd;
    }



import com.dx.entity.dlBean;

import java.sql.*;

public class dlDAO {
    public int insert(dlBean dlBean) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.jdbc.Driver");

        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql", "root", "root");

        PreparedStatement preparedStatement = connection.prepareStatement("insert into dl(uname,upwd)value (?,?)");
        preparedStatement.setString(1, dlBean.getUname());
        preparedStatement.setString(2, dlBean.getUpwd());

        Integer res = preparedStatement.executeUpdate();
        return res;
    }
}

 

posted @ 2021-04-17 21:45  啪啪怪  阅读(84)  评论(0)    收藏  举报