怎么使用java+io+swing实现学生信息管理系统
作者：RiverSoul
时间：2023-05-01
浏览：4
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￥29
Windows
2026-08-22
说明：1.开发环境基于eclipse外加windowbuilder插件。2.采用io流持续储存文件到本地磁盘。3.Arrylist对文件信息进行操作。一、界面展示本地储存学生信息的txt文件，可在此对学生信息增删改查但需要注意格式。二、项目构架三、相关代码及介绍1.IO部分学生实体类packagestuManager;publicclassStuInfo{privateintstuId;//学号privateStringstuName;//姓名privateintstuAge;//年龄privateStr
说明：
1.开发环境基于eclipse外加windowbuilder插件。
2.采用io流持续储存文件到本地磁盘。
3.Arrylist对文件信息进行操作。
一、界面展示
本地储存学生信息的txt文件，可在此对学生信息增删改查但需要注意格式。
二、项目构架
三、相关代码及介绍
1.IO部分
学生实体类
package stuManager;
public class StuInfo {
private int stuId;// 学号
private String stuName;// 姓名
private int stuAge;// 年龄
private String stuPrefession;// 专业
private int stuHomeNumber;// 宿舍
// Alt+Shift+S快速创建构造方法：
public StuInfo() {
}
public StuInfo(int stuId, String stuName, int stuAge, String stuPrefession, int stuHomeNumber) {
this.stuId = stuId;
this.stuName = stuName;
this.stuAge = stuAge;
this.stuPrefession = stuPrefession;
this.stuHomeNumber = stuHomeNumber;
}
public int getStuId() {
return stuId;
}
public void setStuId(int stuId) {
this.stuId = stuId;
}
public String getStuName() {
return stuName;
}
public void setStuName(String stuName) {
this.stuName = stuName;
}
public int getStuAge() {
return stuAge;
}
public void setStuAge(int stuAge) {
this.stuAge = stuAge;
}
public String getStuPrefession() {
return stuPrefession;
}
public void setStuPrefession(String stuPrefession) {
this.stuPrefession = stuPrefession;
}
public int getStuHomeNumber() {
return stuHomeNumber;
}
public void setStuHomeNumber(int stuHomeNumber) {
this.stuHomeNumber = stuHomeNumber;
}
}学生信息写入本地磁盘txt文件类
package stuManager;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import stuView.StuManagerFrm;
public class ArrayListToFile {
public static void main(String[] args) throws IOException {
// 创建输出缓冲流对象
BufferedWriter bw = new BufferedWriter(new FileWriter("e://a.txt"));
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
//向txt文件中写入
bw.write(StuManagerFrm.list.get(i).getStuId() + "," + StuManagerFrm.list.get(i).getStuName() + ","
+ StuManagerFrm.list.get(i).getStuAge() + "," + StuManagerFrm.list.get(i).getStuPrefession() + ","
+ StuManagerFrm.list.get(i).getStuHomeNumber());
bw.newLine();
bw.flush();
}
// 释放资源
bw.close();
}
}读取本地磁盘txt文件信息类
package stuManager;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import stuView.StuAdd;
import stuView.StuManagerFrm;
public class FileToArrayList {
public static boolean a = true;
public static void main(String[] args) throws IOException {
// 创建一个输入缓冲对象
BufferedReader br = new BufferedReader(new FileReader("e:\\a.txt"));
String line;
while ((line = br.readLine()) != null) { // br.read.line读一行
String[] strArray = line.split(",");
StuInfo stu = new StuInfo();
stu.setStuId(Integer.parseInt(strArray[0]));
stu.setStuName(strArray[1]);
stu.setStuAge(Integer.parseInt(strArray[2]));
stu.setStuPrefession(strArray[3]);
stu.setStuHomeNumber(Integer.parseInt(strArray[4]));
StuManagerFrm.list.add(stu);
}
// 释放资源
br.close();
}
}删除txt文件所有信息类
package stuManager;
import java.io.*;
public class ClearFile {
//清空文件内容
public static void clearInfoForFile(String fileName) {
File file = new File("e:\\a.txt");
try {
if (!file.exists()) {
file.createNewFile();
}
FileWriter fileWriter = new FileWriter(file);
fileWriter.write("");
fileWriter.flush();
fileWriter.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}2.Arrylist及窗口部分
登陆窗体（初始账号：admin 密码：123456）
package stuView;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Color;
public class StuLogin extends JFrame {
static String user = "admin";
static int userPassword = 123456;
static String userPassword0 = String.valueOf(userPassword);
private JPanel contentPane;
static JTextField textField;
private JLabel lblNewLabel_2;
static JPasswordField passwordField;
private JButton btnNewButton;
/**
* 所有jframe窗体借用eclipse插件Windowbuilder绘制
*
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
StuLogin frame = new StuLogin();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public StuLogin() {
setTitle("登陆");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 409, 252);
contentPane = new JPanel();
contentPane.setBackground(Color.LIGHT_GRAY);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JLabel lblNewLabel = new JLabel("\u5B66\u751F\u4FE1\u606F\u7BA1\u7406\u7CFB\u7EDF");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(114, 28, 165, 35);
contentPane.add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("\u7528\u6237\u540D");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(28, 73, 76, 35);
contentPane.add(lblNewLabel_1);
textField = new JTextField();
textField.setBounds(114, 80, 136, 21);
contentPane.add(textField);
textField.setColumns(10);
lblNewLabel_2 = new JLabel("\u5BC6\u7801");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(28, 129, 76, 35);
contentPane.add(lblNewLabel_2);
passwordField = new JPasswordField();
passwordField.setBounds(114, 136, 136, 21);
contentPane.add(passwordField);
btnNewButton = new JButton("\u767B\u9646");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 登陆按钮监听
public void actionPerformed(ActionEvent e) {
if (textField.getText().equals("admin") && passwordField.getText().equals(userPassword0)) {
JOptionPane.showMessageDialog(null, "登陆成功！");
dispose();
StuManagerFrm.main(null);
} else {
JOptionPane.showMessageDialog(null, "账号或密码错误");
}
}
});
btnNewButton.setBounds(133, 182, 97, 23);
contentPane.add(btnNewButton);
}
}主界面
package stuView;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import stuManager.StuInfo;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JScrollBar;
import java.awt.ScrollPane;
import javax.swing.JScrollPane;
import java.awt.Color;
public class StuManagerFrm extends JFrame {
public static List list = new ArrayList();// 创建静态类型的动态数组，方便调用
private JPanel contentPane;
//有关面板窗体都设置为静态，方便调用
static JFrame frame;
static JPanel passwordChangePanel;
static JPanel stuAddPanel;
static JPanel stuQueryPanel;
static JPanel stuUpdatePanel;
static JPanel stuDeletePanel;
static JTextArea textArea;
static JPanel userInfoPanel;
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
frame = new StuManagerFrm();
frame.setResizable(false);// 窗体不可放大
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.（由windowbuilder绘制）
*/
public StuManagerFrm() {
setTitle("\u5B66\u751F\u4FE1\u606F\u7BA1\u7406\u7CFB\u7EDF");
setForeground(Color.WHITE);
setBackground(Color.WHITE);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 672, 440);
JMenuBar menuBar = new JMenuBar();
setJMenuBar(menuBar);
JMenu mnNewMenu = new JMenu("\u7528\u6237\u64CD\u4F5C");
menuBar.add(mnNewMenu);
JMenuItem mntmNewMenuItem = new JMenuItem("\u4FEE\u6539\u5BC6\u7801");
mntmNewMenuItem.addActionListener(new ActionListener() {
// 完成修改密码监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
passwordChangePanel = new UserNameChange();
passwordChangePanel.setBounds(0, 0, 230, 380);
frame.getContentPane().add(passwordChangePanel);
passwordChangePanel.updateUI();
}
});
mnNewMenu.add(mntmNewMenuItem);
JMenuItem mntmNewMenuItem_1 = new JMenuItem("\u9000\u51FA\u767B\u5F55");
mntmNewMenuItem_1.addActionListener(new ActionListener() {
// 完成退出登陆监听：
public void actionPerformed(ActionEvent e) {
dispose();
JOptionPane.showMessageDialog(null, "退出成功请重新登陆！");
StuLogin.main(null);
}
});
mnNewMenu.add(mntmNewMenuItem_1);
JMenuItem mntmNewMenuItem_8 = new JMenuItem("\u7528\u6237\u4FE1\u606F");
mntmNewMenuItem_8.addActionListener(new ActionListener() {
// 用户信息监听
public void actionPerformed(ActionEvent e) {
//有关移除非选定的面板持续并显示文本区（以下各个监听同理）
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
//显示当前选定元素对应的面板（以下各个监听同理）
userInfoPanel = new UserInfo();
userInfoPanel.setBounds(0, 0, 230, 380);
frame.getContentPane().add(userInfoPanel);
userInfoPanel.updateUI();
UserInfo.lblNewLabel_2.setText(StuLogin.user);
UserInfo.lblNewLabel_2_1.setText(String.valueOf(StuLogin.userPassword0));
}
});
mnNewMenu.add(mntmNewMenuItem_8);
JMenu mnNewMenu_1 = new JMenu("\u5B66\u751F\u4FE1\u606F\u64CD\u4F5C");
menuBar.add(mnNewMenu_1);
JMenuItem mntmNewMenuItem_2 = new JMenuItem("\u6DFB\u52A0\u5B66\u751F\u4FE1\u606F");
mntmNewMenuItem_2.addActionListener(new ActionListener() {
// 增添学生信息监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
stuAddPanel = new StuAdd();
stuAddPanel.setBounds(0, 0, 230, 380);
frame.getContentPane().add(stuAddPanel);
stuAddPanel.updateUI();
}
});
mnNewMenu_1.add(mntmNewMenuItem_2);
JMenuItem mntmNewMenuItem_3 = new JMenuItem("\u4FEE\u6539\u5B66\u751F\u4FE1\u606F");
mntmNewMenuItem_3.addActionListener(new ActionListener() {
// 修改学生信息监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
stuUpdatePanel = new StuUpdate();
stuUpdatePanel.setBounds(0, 0, 227, 380);
frame.getContentPane().add(stuUpdatePanel);
stuUpdatePanel.updateUI();
}
});
mnNewMenu_1.add(mntmNewMenuItem_3);
JMenuItem mntmNewMenuItem_4 = new JMenuItem("\u67E5\u8BE2\u5B66\u751F\u4FE1\u606F");
mntmNewMenuItem_4.addActionListener(new ActionListener() {
// 查询学生信息监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
stuQueryPanel = new StuQuery();
stuQueryPanel.setBounds(0, 0, 230, 380);
frame.getContentPane().add(stuQueryPanel);
stuQueryPanel.updateUI();
}
});
mnNewMenu_1.add(mntmNewMenuItem_4);
JMenuItem mntmNewMenuItem_5 = new JMenuItem("\u5220\u9664\u5B66\u751F\u4FE1\u606F");
mntmNewMenuItem_5.addActionListener(new ActionListener() {
// 删除学生信息监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().removeAll();
StuManagerFrm.frame.repaint();
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
stuDeletePanel = new StuDelete();
stuDeletePanel.setBounds(0, 0, 230, 380);
frame.getContentPane().add(stuDeletePanel);
stuDeletePanel.updateUI();
}
});
mnNewMenu_1.add(mntmNewMenuItem_5);
JMenu mnNewMenu_2 = new JMenu("\u5173\u4E8E\u4F5C\u8005");
menuBar.add(mnNewMenu_2);
JMenuItem mntmNewMenuItem_6 = new JMenuItem("\u8054\u7CFB\u6211\u4EEC");
mntmNewMenuItem_6.addActionListener(new ActionListener() {
// 关于作者部分监听
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, "电话：" + "110");
}
});
mnNewMenu_2.add(mntmNewMenuItem_6);
JMenuItem mntmNewMenuItem_7 = new JMenuItem("\u8054\u7CFB\u5730\u5740");
mntmNewMenuItem_7.addActionListener(new ActionListener() {
// 联系地址监听
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, "地址：" + "公安局");
}
});
mnNewMenu_2.add(mntmNewMenuItem_7);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
// 向窗体添加文本区并添加滑轮
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(228, 0, 424, 381);
contentPane.add(scrollPane);
textArea = new JTextArea();
scrollPane.setViewportView(textArea);
}
} 修改密码面板
package stuView;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import java.awt.Font;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Color;
public class UserNameChange extends JPanel {
private JPasswordField passwordField;
/**
* Create the panel.
*/
public UserNameChange() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u8BF7\u8F93\u5165\u5BC6\u7801\uFF1A");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(0, 73, 99, 32);
add(lblNewLabel);
passwordField = new JPasswordField();
passwordField.setBounds(83, 79, 122, 21);
add(passwordField);
JLabel lblNewLabel_1 = new JLabel("\u4FEE\u6539\u5BC6\u7801");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(0, 10, 122, 32);
add(lblNewLabel_1);
JButton btnNewButton = new JButton("\u786E\u5B9A");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 确定修改密码监听
public void actionPerformed(ActionEvent e) {
StuLogin.userPassword0 = passwordField.getText();
StuManagerFrm.frame.dispose();
JOptionPane.showMessageDialog(null, "修改成功，请重新登陆！");
StuLogin.main(null);
}
});
btnNewButton.setBounds(0, 127, 77, 23);
add(btnNewButton);
JButton btnNewButton_1 = new JButton("\u53D6\u6D88");
btnNewButton_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1.addActionListener(new ActionListener() {
// 取消修改密码监听
public void actionPerformed(ActionEvent e) {
// 删除修改密码面板
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.passwordChangePanel);
// 重画窗口
StuManagerFrm.frame.repaint();
}
});
btnNewButton_1.setBounds(128, 127, 77, 23);
add(btnNewButton_1);
}
}用户信息面板
package stuView;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Color;
public class UserInfo extends JPanel {
static JLabel lblNewLabel_2;
static JLabel lblNewLabel_2_1;
/**
* Create the panel.
*/
public UserInfo() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u5F53\u524D\u7528\u6237\u4FE1\u606F");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(10, 10, 114, 31);
add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("\u7528\u6237\u540D\uFF1A");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(10, 79, 95, 31);
add(lblNewLabel_1);
JLabel lblNewLabel_1_1 = new JLabel("\u5BC6 \u7801\uFF1A");
lblNewLabel_1_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1_1.setBounds(10, 156, 95, 31);
add(lblNewLabel_1_1);
lblNewLabel_2 = new JLabel("New label");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(81, 83, 93, 23);
add(lblNewLabel_2);
lblNewLabel_2_1 = new JLabel("New label");
lblNewLabel_2_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2_1.setBounds(81, 160, 93, 23);
add(lblNewLabel_2_1);
}
}添加学生信息面板
package stuView;
import javax.swing.JPanel;
import java.awt.Color;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import javax.swing.JTextField;
import stuManager.ArrayListToFile;
import stuManager.FileToArrayList;
import stuManager.StuInfo;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.awt.event.ActionEvent;
public class StuAdd extends JPanel {
static JTextField textField;
static JTextField textField_1;
static JTextField textField_2;
static JTextField textField_3;
static JTextField textField_4;
/**
* Create the panel.
*/
public StuAdd() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u5B66 \u53F7\uFF1A");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(10, 46, 78, 32);
add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("\u59D3 \u540D\uFF1A");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(10, 88, 78, 32);
add(lblNewLabel_1);
JLabel lblNewLabel_2 = new JLabel("\u5E74 \u9F84\uFF1A");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(10, 130, 78, 32);
add(lblNewLabel_2);
JLabel lblNewLabel_3 = new JLabel("\u4E13 \u4E1A\uFF1A");
lblNewLabel_3.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_3.setBounds(10, 172, 78, 32);
add(lblNewLabel_3);
JLabel lblNewLabel_4 = new JLabel("\u5BBF \u820D \u53F7\uFF1A");
lblNewLabel_4.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_4.setBounds(10, 214, 90, 32);
add(lblNewLabel_4);
textField = new JTextField();
textField.setBounds(90, 52, 130, 21);
add(textField);
textField.setColumns(10);
textField_1 = new JTextField();
textField_1.setColumns(10);
textField_1.setBounds(90, 94, 130, 21);
add(textField_1);
textField_2 = new JTextField();
textField_2.setColumns(10);
textField_2.setBounds(90, 136, 130, 21);
add(textField_2);
textField_3 = new JTextField();
textField_3.setColumns(10);
textField_3.setBounds(90, 172, 130, 21);
add(textField_3);
textField_4 = new JTextField();
textField_4.setColumns(10);
textField_4.setBounds(90, 220, 130, 21);
add(textField_4);
JButton btnNewButton = new JButton("\u786E\u5B9A");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 确定添加学生信息监听：
public void actionPerformed(ActionEvent e) {
// 实例化学生对象stu并添加信息
if (textField.getText() == null || textField_1.getText() == null|| textField_2.getText() == null && textField_3.getText() == null|| textField_4.getText() == null) {
JOptionPane.showMessageDialog(null, "添加失败，请检查输入！");
}
else {
// 先把文件读取出来在进行添加
if (FileToArrayList.a == true) {
try {
FileToArrayList.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
FileToArrayList.a = false;
StuInfo stu = new StuInfo(Integer.parseInt(textField.getText()), textField_1.getText(),Integer.parseInt(textField_2.getText()), textField_3.getText(),Integer.parseInt(textField_4.getText()));
StuManagerFrm.list.add(stu);
// 写入到文件
try {
ArrayListToFile.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
//关闭当前面板
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuAddPanel);
StuManagerFrm.frame.repaint();
JOptionPane.showMessageDialog(null, "添加成功！");
}
}
});
btnNewButton.setBounds(10, 275, 97, 23);
add(btnNewButton);
JButton btnNewButton_1 = new JButton("\u53D6\u6D88");
btnNewButton_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1.addActionListener(new ActionListener() {
// 取消添加学生信息监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuAddPanel);
// 重画窗口
StuManagerFrm.frame.repaint();
}
});
btnNewButton_1.setBounds(123, 275, 97, 23);
add(btnNewButton_1);
JLabel lblNewLabel_5 = new JLabel("\u6DFB\u52A0\u5B66\u751F\u4FE1\u606F");
lblNewLabel_5.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_5.setBounds(10, 0, 130, 32);
add(lblNewLabel_5);
}
}修改学生信息面板
package stuView;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import javax.swing.JTextField;
import stuManager.ArrayListToFile;
import stuManager.FileToArrayList;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.awt.event.ActionEvent;
import java.awt.Color;
public class StuUpdate extends JPanel {
private JTextField textField;
private JTextField textField_1;
private JTextField textField_2;
private JTextField textField_3;
private JTextField textField_4;
/**
* Create the panel.
*/
public StuUpdate() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u4F9D\u636E\u5B66\u53F7\u4FEE\u6539\uFF1A");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(0, 70, 106, 27);
add(lblNewLabel);
textField = new JTextField();
textField.setBounds(102, 73, 118, 21);
add(textField);
textField.setColumns(10);
JLabel lblNewLabel_1 = new JLabel("\u4FEE\u6539\u540E\u7684\u59D3\u540D\uFF1A");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(0, 115, 106, 27);
add(lblNewLabel_1);
textField_1 = new JTextField();
textField_1.setColumns(10);
textField_1.setBounds(102, 118, 118, 21);
add(textField_1);
JLabel lblNewLabel_1_1 = new JLabel("\u4FEE\u6539\u540E\u7684\u5E74\u9F84\uFF1A");
lblNewLabel_1_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1_1.setBounds(0, 165, 106, 27);
add(lblNewLabel_1_1);
JLabel lblNewLabel_1_1_1 = new JLabel("\u4FEE\u6539\u540E\u7684\u4E13\u4E1A\uFF1A");
lblNewLabel_1_1_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1_1_1.setBounds(0, 202, 106, 27);
add(lblNewLabel_1_1_1);
JLabel lblNewLabel_1_1_2 = new JLabel("\u4FEE\u6539\u540E\u7684\u5BDD\u5BA4\uFF1A");
lblNewLabel_1_1_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1_1_2.setBounds(0, 239, 106, 27);
add(lblNewLabel_1_1_2);
textField_2 = new JTextField();
textField_2.setColumns(10);
textField_2.setBounds(102, 168, 118, 21);
add(textField_2);
textField_3 = new JTextField();
textField_3.setColumns(10);
textField_3.setBounds(102, 202, 118, 21);
add(textField_3);
textField_4 = new JTextField();
textField_4.setColumns(10);
textField_4.setBounds(102, 242, 118, 21);
add(textField_4);
JButton btnNewButton = new JButton("\u786E\u5B9A");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 确定修改学生信息
public void actionPerformed(ActionEvent e) {
if (textField.getText() != null && textField_2.getText() != null && textField_1.getText() != null
&& textField_3.getText() != null || textField_4.getText() != null) {
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (Integer.parseInt(textField.getText()) == StuManagerFrm.list.get(i).getStuId()) {
StuManagerFrm.list.get(i).setStuName(textField_1.getText());
StuManagerFrm.list.get(i).setStuAge(Integer.parseInt(textField_2.getText()));
StuManagerFrm.list.get(i).setStuPrefession(textField_3.getText());
StuManagerFrm.list.get(i).setStuHomeNumber(Integer.parseInt(textField_4.getText()));
}
}
JOptionPane.showMessageDialog(null, "修改成功！");
try {
ArrayListToFile.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else {
JOptionPane.showMessageDialog(null, "修改失败，请检查输入！");
}
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuUpdatePanel);
StuManagerFrm.frame.repaint();
}
});
btnNewButton.setBounds(10, 298, 97, 23);
add(btnNewButton);
JButton btnNewButton_1 = new JButton("\u53D6\u6D88");
btnNewButton_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1.addActionListener(new ActionListener() {
// 取消修改监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuUpdatePanel);
StuManagerFrm.frame.repaint();
}
});
btnNewButton_1.setBounds(123, 298, 97, 23);
add(btnNewButton_1);
JLabel lblNewLabel_2 = new JLabel("\u5B66\u751F\u4FE1\u606F\u4FEE\u6539");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(0, 10, 106, 27);
add(lblNewLabel_2);
}
}查询学生信息面板
package stuView;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JLabel;
import javax.swing.JTextField;
import stuManager.FileToArrayList;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.awt.event.ActionEvent;
import java.awt.Color;
import java.awt.Font;
public class StuQuery extends JPanel {
private JTextField textField;
private JTextField textField_1;
private JTextField textField_2;
private JTextField textField_3;
private JTextField textField_4;
/**
* Create the panel.
*/
public StuQuery() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u8F93\u5165\u5B66\u53F7\u67E5\u8BE2:");
lblNewLabel.setBounds(0, 78, 86, 34);
add(lblNewLabel);
textField = new JTextField();
textField.setBounds(81, 85, 57, 21);
add(textField);
textField.setColumns(10);
JButton btnNewButton = new JButton("\u67E5\u8BE2");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 学号查询监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (StuManagerFrm.list.get(i).getStuId() == (Integer.parseInt(textField.getText()))) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea
.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
}
});
btnNewButton.setBounds(140, 84, 73, 23);
add(btnNewButton);
JButton btnNewButton_1 = new JButton("\u5168\u90E8\u67E5\u8BE2");
btnNewButton_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1.addActionListener(new ActionListener() {
// 全部查询监听：
public void actionPerformed(ActionEvent e) {
if (FileToArrayList.a == true) {
try {
FileToArrayList.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
FileToArrayList.a = false;
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
});
btnNewButton_1.setBounds(10, 297, 97, 23);
add(btnNewButton_1);
JLabel lblNewLabel_1 = new JLabel("\u8F93\u5165\u59D3\u540D\u67E5\u8BE2:");
lblNewLabel_1.setBounds(0, 122, 86, 34);
add(lblNewLabel_1);
textField_1 = new JTextField();
textField_1.setColumns(10);
textField_1.setBounds(81, 129, 57, 21);
add(textField_1);
JButton btnNewButton_2 = new JButton("\u67E5\u8BE2");
btnNewButton_2.setBackground(Color.LIGHT_GRAY);
btnNewButton_2.addActionListener(new ActionListener() {
// 姓名查询监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (StuManagerFrm.list.get(i).getStuName().equals(textField_1.getText())) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea
.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
}
});
btnNewButton_2.setBounds(140, 128, 73, 23);
add(btnNewButton_2);
JLabel lblNewLabel_1_1 = new JLabel("\u8F93\u5165\u5E74\u9F84\u67E5\u8BE2:");
lblNewLabel_1_1.setBounds(0, 166, 86, 34);
add(lblNewLabel_1_1);
textField_2 = new JTextField();
textField_2.setColumns(10);
textField_2.setBounds(81, 173, 57, 21);
add(textField_2);
JButton btnNewButton_2_1 = new JButton("\u67E5\u8BE2");
btnNewButton_2_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_2_1.addActionListener(new ActionListener() {
// 年龄查询监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (StuManagerFrm.list.get(i).getStuAge() == (Integer.parseInt(textField_2.getText()))) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea
.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
}
});
btnNewButton_2_1.setBounds(140, 172, 73, 23);
add(btnNewButton_2_1);
JLabel lblNewLabel_1_1_1 = new JLabel("\u8F93\u5165\u4E13\u4E1A\u67E5\u8BE2:");
lblNewLabel_1_1_1.setBounds(0, 205, 86, 34);
add(lblNewLabel_1_1_1);
textField_3 = new JTextField();
textField_3.setColumns(10);
textField_3.setBounds(81, 212, 57, 21);
add(textField_3);
JButton btnNewButton_2_1_1 = new JButton("\u67E5\u8BE2");
btnNewButton_2_1_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_2_1_1.addActionListener(new ActionListener() {
// 专业查询监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (StuManagerFrm.list.get(i).getStuPrefession().equals(textField_3.getText())) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea
.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
}
});
btnNewButton_2_1_1.setBounds(140, 211, 73, 23);
add(btnNewButton_2_1_1);
JLabel lblNewLabel_1_1_1_1 = new JLabel("\u8F93\u5165\u5BDD\u5BA4\u67E5\u8BE2:");
lblNewLabel_1_1_1_1.setBounds(0, 242, 86, 34);
add(lblNewLabel_1_1_1_1);
textField_4 = new JTextField();
textField_4.setColumns(10);
textField_4.setBounds(81, 249, 57, 21);
add(textField_4);
JButton btnNewButton_2_1_1_1 = new JButton("\u67E5\u8BE2");
btnNewButton_2_1_1_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_2_1_1_1.addActionListener(new ActionListener() {
// 宿舍号查询监听：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (StuManagerFrm.list.get(i).getStuHomeNumber() == (Integer.parseInt(textField_4.getText()))) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea
.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
}
});
btnNewButton_2_1_1_1.setBounds(140, 248, 73, 23);
add(btnNewButton_2_1_1_1);
JButton btnNewButton_1_1 = new JButton("\u53D6\u6D88\u67E5\u8BE2");
btnNewButton_1_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1_1.addActionListener(new ActionListener() {
// 取消查询：
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuQueryPanel);
StuManagerFrm.frame.repaint();
}
});
btnNewButton_1_1.setBounds(116, 297, 97, 23);
add(btnNewButton_1_1);
JLabel lblNewLabel_2 = new JLabel("\u5B66\u751F\u4FE1\u606F\u67E5\u8BE2");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(10, 10, 114, 34);
add(lblNewLabel_2);
}
}删除学生信息面板
package stuView;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import stuManager.ArrayListToFile;
import stuManager.ClearFile;
import javax.swing.JButton;
import java.awt.Font;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.awt.event.ActionEvent;
import java.awt.Color;
public class StuDelete extends JPanel {
private JTextField textField;
private JTextField textField_1;
/**
* Create the panel.
*/
public StuDelete() {
setBackground(Color.LIGHT_GRAY);
setLayout(null);
JLabel lblNewLabel = new JLabel("\u901A\u8FC7\u5B66\u53F7\u5220\u9664\uFF1A");
lblNewLabel.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel.setBounds(0, 81, 119, 25);
add(lblNewLabel);
textField = new JTextField();
textField.setBounds(102, 83, 55, 21);
add(textField);
textField.setColumns(10);
JButton btnNewButton = new JButton("\u5220\u9664");
btnNewButton.setBackground(Color.LIGHT_GRAY);
btnNewButton.addActionListener(new ActionListener() {
// 通过学号删除：
public void actionPerformed(ActionEvent e) {
boolean a = false;// 判断是否进行了删除操作
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (Integer.parseInt(textField.getText()) == StuManagerFrm.list.get(i).getStuId()) {
StuManagerFrm.list.remove(i);
a = true;
}
}
if (a == true) {
JOptionPane.showMessageDialog(null, "删除成功！");
try {
ArrayListToFile.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else
JOptionPane.showMessageDialog(null, "删除失败，请确认学号是否正确！");
}
});
btnNewButton.setBounds(157, 82, 63, 23);
add(btnNewButton);
JLabel lblNewLabel_1 = new JLabel("\u901A\u8FC7\u59D3\u540D\u5220\u9664\uFF1A");
lblNewLabel_1.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_1.setBounds(0, 125, 119, 25);
add(lblNewLabel_1);
textField_1 = new JTextField();
textField_1.setColumns(10);
textField_1.setBounds(102, 127, 55, 21);
add(textField_1);
JButton btnNewButton_1 = new JButton("\u5220\u9664");
btnNewButton_1.setBackground(Color.LIGHT_GRAY);
btnNewButton_1.addActionListener(new ActionListener() {
// 通过姓名删除监听
public void actionPerformed(ActionEvent e) {
boolean a = false;
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
if (textField_1.getText().equals(StuManagerFrm.list.get(i).getStuName())) {
StuManagerFrm.list.remove(i);
a = true;
}
}
if (a == true) {
JOptionPane.showMessageDialog(null, "删除成功！");
try {
ArrayListToFile.main(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else
JOptionPane.showMessageDialog(null, "删除失败，请确认姓名是否正确！");
}
});
btnNewButton_1.setBounds(157, 126, 63, 23);
add(btnNewButton_1);
JButton btnNewButton_2 = new JButton("\u5168\u90E8\u5220\u9664");
btnNewButton_2.setBackground(Color.LIGHT_GRAY);
btnNewButton_2.addActionListener(new ActionListener() {
// 全部删除监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.list.clear();
ClearFile.clearInfoForFile(null);
JOptionPane.showMessageDialog(null, "删除成功！");
}
});
btnNewButton_2.setBounds(0, 253, 97, 23);
add(btnNewButton_2);
JButton btnNewButton_3 = new JButton("\u53D6\u6D88");
btnNewButton_3.setBackground(Color.LIGHT_GRAY);
btnNewButton_3.addActionListener(new ActionListener() {
// 取消删除监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.frame.getContentPane().remove(StuManagerFrm.stuDeletePanel);
StuManagerFrm.frame.repaint();
}
});
btnNewButton_3.setBounds(123, 253, 97, 23);
add(btnNewButton_3);
JButton btnNewButton_4 = new JButton("\u5237\u65B0");
btnNewButton_4.setBackground(Color.LIGHT_GRAY);
btnNewButton_4.addActionListener(new ActionListener() {
// 删除页面刷新数据监听
public void actionPerformed(ActionEvent e) {
StuManagerFrm.textArea.setText("学号" + "\t" + "姓名" + "\t" + "年龄" + "\t" + "专业" + "\t" + "宿舍号" + "\n");
for (int i = 0; i < StuManagerFrm.list.size(); i++) {
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuId()) + "\t");// 学号
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuName() + "\t");// 姓名
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuAge()) + "\t");// 年龄
StuManagerFrm.textArea.append(StuManagerFrm.list.get(i).getStuPrefession() + "\t");// 专业
StuManagerFrm.textArea.append(String.valueOf(StuManagerFrm.list.get(i).getStuHomeNumber()) + "\t");// 宿舍号
StuManagerFrm.textArea.append("\n");
}
}
});
btnNewButton_4.setBounds(123, 184, 97, 23);
add(btnNewButton_4);
JLabel lblNewLabel_2 = new JLabel("\u5B66\u751F\u4FE1\u606F\u5220\u9664");
lblNewLabel_2.setFont(new Font("SimSun", Font.PLAIN, 15));
lblNewLabel_2.setBounds(0, 22, 119, 25);
add(lblNewLabel_2);
}
}
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