对学生类（包括学号、姓名、性别、年龄、爱好等）完成GUI的设计，使能对学生对象进行添加、修改、删除、查询操作
import java.awt.*;
import javax.swing.*;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
import java.awt.event.*;
import java.util.Vector;
class Student {
private int no;
private String name;
private String sex;
private int age;
private String hobby;
public int getNo() {
return no;
}
public void setNo(int no) {
this.no = no;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getHobby() {
return hobby;
}
public void setHobby(String hobby) {
this.hobby = hobby;
}
public Student(int no,String name,String sex,int age,String hobby){
this.no=no;
this.name=name;
this.sex=sex;
this.age=age;
this.hobby=hobby;
}
public Student(){
}
public String toString(){
return "学号："+no+" 姓名"+name+" 性别："+sex+" 年龄："+age+" 爱好:"+hobby+"\n";
}
}
public class Main extends JFrame{
JMenuBar menuBar;
Container container;
CardLayout cardLayout;
JTextArea jTextArea;
JPanel mainPanel;
JPanel detailPanel;
JPanel addPanel;
JPanel modifyPanel;
JTextField modifInput;
JPanel searchPanel;
JTextArea searchResault;
JTextField searchInput;
JPanel removePanel;
JTextField removeInput;
JTextField addNoInput;
JTextField addNameInput;
JTextField addAgeInput;
JTextField addsexInput;
JTextField addhobbyInput;
JTextField modifyNoInput;
JTextField modifyNameInput;
JTextField modifyAgeInput;
JTextField modifySexInput;
JTextField modifyHobbyInput;
Vector<Student> students;
Main(){
students = new Vector<Student>();
students.add(new Student(100,"aa","男",18,"读书"));
students.add(new Student(101,"bb","男",19,"看报"));
container = getContentPane();
mainPanel = new JPanel();
cardLayout = new CardLayout();//设置卡片布局
mainPanel.setLayout(cardLayout);
container.setLayout(new FlowLayout());
setMenu();//设置菜单
setDetailPanel();//设置详情页
setaddPanel();//设置添加对象页
setRemovePanel();//设置删除对象页
setModifyPanel();//设置修改对象页
setSearchPanel();//设置查询对象页
container.add(mainPanel);
}
public void setMenu(){
JMenu menu;
menuBar = new JMenuBar();
this.setJMenuBar(menuBar);
menu = new JMenu("编辑");
menuBar.add(menu);
JMenuItem mainItem = new JMenuItem("显示详情");
mainItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
cardLayout.show(mainPanel,"detailPanel");//切换卡片页面
showDetails();
}
});
menu.add(mainItem);
JMenuItem addItem = new JMenuItem("添加");
addItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
cardLayout.show(mainPanel,"addPanel");//切换卡片页面
//清空上次输入
addNoInput.setText("");
addAgeInput.setText("");
addNameInput.setText("");
addsexInput.setText("");
addhobbyInput.setText("");
}
});
menu.add(addItem);
JMenuItem modifyItem = new JMenuItem("修改");
modifyItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
cardLayout.show(mainPanel,"modifyPanel");//切换卡片页面
//清空上次输入
modifInput.setText("");
modifyNoInput.setText("");
modifyAgeInput.setText("");
modifyNameInput.setText("");
modifySexInput.setText("");
modifyHobbyInput.setText("");
}
});
menu.add(modifyItem);
JMenuItem removeItem = new JMenuItem("删除");
removeItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
removeInput.setText("");
cardLayout.show(mainPanel,"removePanel");//切换卡片页面
}
});
menu.add(removeItem);
JMenuItem searchItem = new JMenuItem("查询");
searchItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
cardLayout.show(mainPanel,"searchPanel");//切换卡片页面
//清空上次查询结果
searchResault.setText("");
searchInput.setText("");
}
});
menu.add(searchItem);
}
public void setDetailPanel(){
detailPanel = new JPanel();
detailPanel.setLayout(new FlowLayout());
jTextArea = new JTextArea(26,45);
jTextArea.setEditable(false);
jTextArea.setBackground(Color.black);
jTextArea.setForeground(Color.green);
detailPanel.add(jTextArea);
showDetails();
mainPanel.add("detailPanel",detailPanel);//添加进卡片
}
public void showDetails(){
jTextArea.setText("");
jTextArea.append("已有学生信息：\n\n");
Integer index=0;
for (Student student:students) {
jTextArea.append((++index).toString()+". ");
jTextArea.append(student.toString());
}
if(jTextArea.getLineCount()<=3){
//判断是否有对象
jTextArea.setText("无任何学生信息");
}
}
public void setaddPanel(){
addPanel = new JPanel(new FlowLayout());
JLabel no = new JLabel("学号：");
addNoInput = new JTextField(15);
JLabel name = new JLabel("姓名：");
addNameInput = new JTextField(15);
JLabel sex = new JLabel("性别：");
addsexInput = new JTextField(15);
JLabel age = new JLabel("年龄：");
addAgeInput = new JTextField(15);
JLabel hobby = new JLabel("爱好：");
addhobbyInput = new JTextField(15);
//设置布局为Box
Box h1 = Box.createHorizontalBox();
h1.add(no);
h1.add(addNoInput);
Box h2 = Box.createHorizontalBox();
h2.add(name);
h2.add(addNameInput);
Box h3 = Box.createHorizontalBox();
h3.add(sex);
h3.add(addsexInput);
Box h4 = Box.createHorizontalBox();
h4.add(age);
h4.add(addAgeInput);
Box h5 = Box.createHorizontalBox();
h5.add(hobby);
h5.add(addhobbyInput);
Box v = Box.createVerticalBox();
v.add(Box.createVerticalStrut(25));
v.add(h1);
v.add(Box.createVerticalStrut(25));
v.add(h2);
v.add(Box.createVerticalStrut(25));
v.add(h3);
v.add(Box.createVerticalStrut(25));
v.add(h4);
v.add(Box.createVerticalStrut(25));
v.add(h5);
v.add(Box.createVerticalStrut(25));
JButton addButton = new JButton("添加");
Box h6 =Box.createHorizontalBox();
h6.add(addButton);
v.add(h6);
addPanel.add(v);
mainPanel.add("addPanel",addPanel);//添加进卡片
addButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
int no = Integer.parseInt(addNoInput.getText());
String name = addNameInput.getText();
String sex = addsexInput.getText();
int age = Integer.parseInt(addAgeInput.getText());
String hobby = addhobbyInput.getText();
students.add(new Student(no,name,sex,age,hobby));
JOptionPane.showMessageDialog(container, "添加成功",null,JOptionPane.PLAIN_MESSAGE);
cardLayout.show(mainPanel,"detailPanel");
showDetails();
}
});
}
public void setSearchPanel() {
JLabel jLabel = new JLabel("请输入你要查找的学号：");
searchInput = new JTextField(15);
JButton searchButton = new JButton("开始查找");
searchResault = new JTextArea(20,45);
searchResault.setForeground(Color.green);
searchResault.setBackground(Color.black);
Box h1 = Box.createHorizontalBox();
h1.add(jLabel);
h1.add(searchInput);
Box h2 = Box.createHorizontalBox();
h2.add(searchButton);
Box h3 = Box.createHorizontalBox();
h3.add(searchResault);
Box v = Box.createVerticalBox();
v.add(Box.createVerticalStrut(25));
v.add(h1);
v.add(Box.createVerticalStrut(20));
v.add(h2);
v.add(Box.createVerticalStrut(10));
v.add(h3);
searchPanel = new JPanel(new FlowLayout());
searchPanel.add(v);
mainPanel.add("searchPanel",searchPanel);//添加进卡片
searchButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
int no = Integer.parseInt(searchInput.getText());
searchResault.setText("查询到以下结果：\n");
for (Student student:students) {
if(student.getNo()==no){
searchResault.append(student.toString());
}
}
if(searchResault.getLineCount()<=2){
searchResault.append("未找到任何结果，该学号不存在");
}
}
});
}
public void setRemovePanel() {
JLabel jLabel = new JLabel("请输入你要删除的学生学号：");
removeInput = new JTextField(15);
JButton removeButton = new JButton("确认删除");
Box h1 = Box.createHorizontalBox();
h1.add(jLabel);
h1.add(removeInput);
Box h2 = Box.createHorizontalBox();
h2.add(removeButton);
Box v = Box.createVerticalBox();
v.add(Box.createVerticalStrut(150));
v.add(h1);
v.add(Box.createVerticalStrut(20));
v.add(h2);
removePanel = new JPanel(new FlowLayout());
removePanel.add(v);
mainPanel.add("removePanel",removePanel);//添加进卡片
removeButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
int no = Integer.parseInt(removeInput.getText());
for (Student student:students) {
if(student.getNo()==no){
students.remove(student);
break;
}
}
int res = JOptionPane.showConfirmDialog(container, "删除成功，是否继续删除？",null,JOptionPane.YES_NO_OPTION);
if(res ==JOptionPane.NO_OPTION) {
cardLayout.show(mainPanel, "detailPanel");
showDetails();
}
}
});
}
public void setModifyPanel(){
JLabel input = new JLabel("请输入你要修改的学生学号：");
modifInput = new JTextField(15);
JLabel no = new JLabel("学号修改为：");
modifyNoInput = new JTextField(15);
JLabel name = new JLabel("姓名修改为：");
modifyNameInput = new JTextField(15);
JLabel sex = new JLabel("性别修改为：");
modifySexInput = new JTextField(15);
JLabel age = new JLabel("年龄修改为：");
modifyAgeInput = new JTextField(15);
JLabel hobby = new JLabel("爱好修改为：");
modifyHobbyInput = new JTextField(15);
Box h0 = Box.createHorizontalBox();
h0.add(input);
h0.add(modifInput);
Box h1 = Box.createHorizontalBox();
h1.add(no);
h1.add(modifyNoInput);
Box h2 = Box.createHorizontalBox();
h2.add(name);
h2.add(modifyNameInput);
Box h3 = Box.createHorizontalBox();
h3.add(sex);
h3.add(modifySexInput);
Box h4 = Box.createHorizontalBox();
h4.add(age);
h4.add(modifyAgeInput);
Box h5 = Box.createHorizontalBox();
h5.add(hobby);
h5.add(modifyHobbyInput);
Box v = Box.createVerticalBox();
v.add(Box.createVerticalStrut(25));
v.add(h0);
v.add(Box.createVerticalStrut(25));
v.add(h1);
v.add(Box.createVerticalStrut(25));
v.add(h2);
v.add(Box.createVerticalStrut(25));
v.add(h3);
v.add(Box.createVerticalStrut(25));
v.add(h4);
v.add(Box.createVerticalStrut(25));
v.add(h5);
v.add(Box.createVerticalStrut(25));
JButton modifyButton = new JButton("修改");
Box h6 =Box.createHorizontalBox();
h6.add(modifyButton);
v.add(h6);
modifyPanel = new JPanel(new FlowLayout());
modifyPanel.add(v);
mainPanel.add("modifyPanel",modifyPanel);//添加进卡片
modifyButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
int no = Integer.parseInt(modifInput.getText());
boolean flag = false;
for(Student student:students){
if(no == student.getNo()){
flag = true;
int sno = Integer.parseInt(modifyNoInput.getText());
String name = modifyNameInput.getText();
String sex = modifySexInput.getText();
int age = Integer.parseInt(modifyAgeInput.getText());
String hobby = modifyHobbyInput.getText();
student.setNo(sno);
student.setAge(age);
student.setHobby(hobby);
student.setName(name);
student.setSex(sex);
}
}
if(flag) {
int res = JOptionPane.showConfirmDialog(container, "修改成功，是否继续修改", null, JOptionPane.YES_NO_OPTION);
if (res == JOptionPane.NO_OPTION) {
cardLayout.show(mainPanel, "detailPanel");
showDetails();
}
}
else {
JOptionPane.showMessageDialog(container,"未能找到要修改的学生学号","warning",JOptionPane.WARNING_MESSAGE);
}
}
});
}
public static void main(String[] args) {
Main app =new Main();
app.setSize(550,560);
app.setVisible(true);
app.setDefaultCloseOperation(EXIT_ON_CLOSE);
}
}
