Eclipse+Java+Swing+mysql实现学生宿舍管理系统

Eclipse+Java+Swing+mysql实现学生宿舍管理系统

• ​​一、系统介绍​​

• ​​1.环境配置​​

• ​​二、系统展示​​

• ​​1.登录页​​
• ​​2.学生主页面​​
• ​​3.学生端-登记页面​​
• ​​4.学生端-学生信息修改​​
• ​​5.学生端-寝室信息查询​​
• ​​6.学生端-学生信息查询​​
• ​​7.学生端-退出登录​​
• ​​8.管理员-主页面​​
• ​​9.管理员-宿舍信息修改​​
• ​​10.管理员-宿舍信息删除​​
• ​​11.管理员-学生信息修改​​
• ​​12.管理员-学生信息删除​​
• ​​13.管理员-宿舍信息添加​​
• ​​14.管理员-学生信息添加​​
• ​​15.管理员-学生信息查询​​
• ​​16.管理员-宿舍信息查询​​
• ​​17.管理员-关于系统​​
• ​​18.管理员-退出系统​​

• ​​三、部分代码​​

• ​​RoomDao.java​​
• ​​LoginFrame.java​​
• ​​Room.java​​

• ​​四、其他​​

• ​​获取源码​​

一、系统介绍

本系统实现了学生登录和管理员登录，学生可以登记入住，实现学生信息查询和修改，实现宿舍信息查询。管理实现学生信息增删改查，实现宿舍信息增删改查。

1.环境配置

JDK版本：1.8
Mysql:5.7

二、系统展示

1.登录页

学生账号:学生,密码都是123
管理员账号:管理员,密码都是123456

2.学生主页面

3.学生端-登记页面

4.学生端-学生信息修改

5.学生端-寝室信息查询

6.学生端-学生信息查询

7.学生端-退出登录

8.管理员-主页面

9.管理员-宿舍信息修改

10.管理员-宿舍信息删除

11.管理员-学生信息修改

12.管理员-学生信息删除

13.管理员-宿舍信息添加

14.管理员-学生信息添加

15.管理员-学生信息查询

16.管理员-宿舍信息查询

17.管理员-关于系统

18.管理员-退出系统

三、部分代码

RoomDao.java

package cn.com.dao;


import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import cn.com.model.Room;
import cn.com.util.StringUtil;

/**
 * 
 * 操作宿舍信息
 *
 */
public class RoomDao {

  // 添加宿舍信息
  public int roomAdd(Connection con, Room room) throws Exception {
    String sql = "insert into room_message values(null,?,?)";
    PreparedStatement pstmt = con.prepareStatement(sql);
    pstmt.setString(1, room.getMember());
    pstmt.setString(2, room.getLeader());
    return pstmt.executeUpdate();
  }

  // 查询宿舍信息
  public ResultSet roomList(Connection con, Room room) throws Exception {
    StringBuffer sb = new StringBuffer("select * from room_message");
    if (StringUtil.isNotEmpty(room.getMember())) {
      String member = room.getMember();
      sb.append(" and member like '%" + room.getMember() + "%'");
    }
    PreparedStatement pstmt = con.prepareStatement(sb.toString().replaceFirst("and", "where"));
    return pstmt.executeQuery();
  }

  // 修改宿舍信息
  public int roomModify(Connection con, Room room) throws Exception {
    String sql = "update room_message set member=?,leader=? where id=?";
    PreparedStatement pstmt = con.prepareStatement(sql);
    pstmt.setString(1, room.getMember());
    pstmt.setString(2, room.getLeader());
    pstmt.setString(3, room.getId());
    return pstmt.executeUpdate();
  }

  // 删除宿舍信息
  public int roomDelete(Connection con, Room room) throws Exception {
    String sql = "delete from room_message where member=?";
    PreparedStatement pstmt = con.prepareStatement(sql);
    pstmt.setString(1, room.getMember());
    return pstmt.executeUpdate();
  }
}

LoginFrame.java

package cn.com.view;



import java.awt.Font;
import java.sql.Connection;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.UIManager;

import cn.com.dao.UserDao;
import cn.com.model.User;
import cn.com.util.DBConn;
import cn.com.util.StringUtil;

/**
 * 
 * 登录界面
 * 
 */
public class LoginFrm extends javax.swing.JFrame {

  private JLabel jLabel1;
  private JLabel jLabel2;
  private JLabel jLabel3;
  private JLabel jLabel4;
  private JButton jb_login;
  private JButton jb_reset;
  private JComboBox jcb_choose;
  private JTextField userNameTxt;
  private JPasswordField userPasswordTxt;

  DBConn dmutil = new DBConn();
  UserDao userdao = new UserDao();

  /**
   * 创建窗体
   */
  public LoginFrm() {

    Font font = new Font("Dialog", Font.PLAIN, 12);
    java.util.Enumeration keys = UIManager.getDefaults().keys();
    while (keys.hasMoreElements()) {
      Object key = keys.nextElement();
      Object value = UIManager.get(key);
      if (value instanceof javax.swing.plaf.FontUIResource) {
        UIManager.put(key, font);
      }
    }
    // 初始化
    initComponents();
    // 居中
    this.setLocationRelativeTo(null);
    this.filltable();
  }

  // 填充表格
  private void filltable() {
    User user1 = new User();
    User user2 = new User();
    user1.setUsername("学生");
    user2.setUsername("管理员");
    user1.setId(1 );
    user2.setId(2 );
    jcb_choose.addItem(user1);
    jcb_choose.addItem(user2);
  }

  // 初始化
  private void initComponents() {

    jLabel1 = new JLabel("General", JLabel.CENTER);
    jLabel2 = new JLabel();
    jLabel3 = new JLabel();
    userNameTxt = new JTextField();
    userPasswordTxt = new JPasswordField();
    jb_login = new JButton();
    jb_reset = new JButton();
    jcb_choose = new JComboBox();
    jLabel4 = new JLabel();

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
    setTitle("学生宿舍管理系统登录界面");
    setResizable(false);

    jLabel1.setFont(new Font("宋体", 0, 24));
    jLabel1.setText("学生宿舍管理系统");

    // 用户名
  
    jLabel2.setText("账号：");

    // 密码
    
    jLabel3.setText("密码：");

    userNameTxt.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(java.awt.event.ActionEvent evt) {
        userNameTxtActionPerformed(evt);
      }
    });

    // 登录
  
    jb_login.setText("登录");
    jb_login.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(java.awt.event.ActionEvent evt) {
        jb_loginActionPerformed(evt);
      }
    });

    // 重置
  
    jb_reset.setText("重置");
    jb_reset.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(java.awt.event.ActionEvent evt) {
        jb_resetActionPerformed(evt);
      }
    });

  
    jLabel4.setText("用户类型：");

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
    getContentPane().setLayout(layout);

    layout.setHorizontalGroup(
        layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup().addGap(103, 103, 103).addComponent(jLabel1)
                .addContainerGap(58, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout
                .createSequentialGroup().addGroup(layout.createParallelGroup(
                    javax.swing.GroupLayout.Alignment.TRAILING).addGroup(
                        layout.createSequentialGroup().addContainerGap().addComponent(
                            jLabel4).addGap(42, 42, 42).addComponent(jcb_choose,
                                javax.swing.GroupLayout.PREFERRED_SIZE, 111,
                                javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(
                            javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup().addGap(103, 103, 103)
                                .addGroup(layout.createParallelGroup(
                                    javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(jLabel3).addComponent(jLabel2)))
                            .addGroup(layout
                                .createSequentialGroup().addGap(104, 104, 104)
                                .addComponent(jb_login)))
                        .addGroup(layout
                            .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup().addGap(42, 42, 42)
                                .addGroup(layout.createParallelGroup(
                                    javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(userNameTxt,
                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                        111, Short.MAX_VALUE)
                                    .addComponent(userPasswordTxt,
                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                        111, Short.MAX_VALUE)))
                            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
                                layout.createSequentialGroup().addPreferredGap(
                                    javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jb_reset).addGap(25, 25, 25)))))
                .addGap(100, 100, 100)));
    
    layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout
        .createSequentialGroup().addGap(60, 60, 60).addComponent(jLabel1)
        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jLabel2)
            .addComponent(userNameTxt, javax.swing.GroupLayout.PREFERRED_SIZE,
                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        .addGap(27, 27, 27)
        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jLabel3)
            .addComponent(userPasswordTxt, javax.swing.GroupLayout.PREFERRED_SIZE,
                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        .addGap(27, 27, 27)
        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jLabel4)
            .addComponent(jcb_choose, javax.swing.GroupLayout.PREFERRED_SIZE,
                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        .addGap(34, 34, 34).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
            .addComponent(jb_login).addComponent(jb_reset))
        .addContainerGap(34, Short.MAX_VALUE)));

    pack();
  }

  // 登录事件监控
  private void jb_loginActionPerformed(java.awt.event.ActionEvent evt) {
    String userName = userNameTxt.getText();
    String userPassword = new String(userPasswordTxt.getPassword());
    if (StringUtil.isEmpty(userName)) {
      JOptionPane.showMessageDialog(null, "用户名不能为空！");
      return;
    } else if (StringUtil.isEmpty(userPassword)) {
      JOptionPane.showMessageDialog(null, "密码不能为空!");
      return;
    }
    User user = new User(userName, userPassword);
    System.out.println("======xx===");
    Connection con = null;
    try {
      con = dmutil.getConnection();
      User currentuser = userdao.login(con, user);
      System.out.println("========="+currentuser);
      if (  null != currentuser) {
        User user1 = (User) jcb_choose.getSelectedItem();
        String userright = user1.getUsername();
        if (userright.equals("管理员")) {
          this.dispose();
          MainFrm main = new MainFrm();
          main.setVisible(true);
        } else if (userright.equals("学生")) {
          this.dispose();
          MainFrm2 main2 = new MainFrm2();
          main2.setVisible(true);
        } else {
          JOptionPane.showMessageDialog(null, "用户名密码错误!");
        }
      }else {
        JOptionPane.showMessageDialog(null, "用户名密码错误!");
      }
    } catch (Exception e) {
      JOptionPane.showInternalMessageDialog(null, "登陆失败");
      e.printStackTrace();
    }
  }

  // 重置事件监控
  private void jb_resetActionPerformed(java.awt.event.ActionEvent evt) {
    this.userNameTxt.setText("");
    this.userPasswordTxt.setText("");
  }

  private void userNameTxtActionPerformed(java.awt.event.ActionEvent evt) {
  }

  // 主函数
  public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
      public void run() {
        new LoginFrm().setVisible(true);
      }
    });
  }

}

Room.java

package cn.com.model;

public class Room {
  String id;// 寝室号
  String member;// 成员
  String leader;// 寝室长

  // 构造函数
  public Room(String member) {
    super();
    this.member = member;
  }

  public Room() {
    super();
  }

  public Room(String id, String member, String leader) {
    super();
    this.id = id;
    this.member = member;
    this.leader = leader;
  }

  public Room(String member, String leader) {
    super();
    this.member = member;
    this.leader = leader;
  }

  // get，set方法
  public String getMember() {
    return member;
  }

  public void setMember(String member) {
    this.member = member;
  }

  public String getLeader() {
    return leader;
  }

  public void setLeader(String leader) {
    this.leader = leader;
  }

  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }

  public String toString() {
    return this.getMember();
  }

}

四、其他