GUI3

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import javax.swing.*;

public class GTest3 extends JFrame{

ArrayList<Student> students = new ArrayList<Student>();

private JLabel label1,label2,label3,label4,label5,label6,label7;

private JTextField field1,field2,field3,field4,field5,field6;

private JRadioButton manButton,womenButton;

private ButtonGroup radioGroup;

private JButton button1,button2,button3,button4;

public GTest3() {

super();

Container container = getContentPane();

container.setLayout(new FlowLayout());

label1 = new JLabel("学号");

label2 = new JLabel("姓名");

label3 = new JLabel("性别");

label4 = new JLabel("数学");

label5 = new JLabel("英语");

label6 = new JLabel("政治");

label7 = new JLabel("总成绩");

field1 = new JTextField(10);

field2 = new JTextField(10);

field3 = new JTextField(10);

field4 = new JTextField(10);

field5 = new JTextField(10);

field6 = new JTextField(10);

manButton = new JRadioButton("男",true);

womenButton = new JRadioButton("女",false);

radioGroup = new ButtonGroup();

radioGroup.add(manButton);

radioGroup.add(womenButton);

button1 = new JButton("计算总成绩");

button2 = new JButton("添加");

button3 = new JButton("删除");

button4 = new JButton("关闭");

Box horiziontallBox1 = Box.createHorizontalBox();

Box horiziontallBox2 = Box.createHorizontalBox();

Box horiziontallBox3 = Box.createHorizontalBox();

Box horiziontallBox4 = Box.createHorizontalBox();

Box horiziontallBox5 = Box.createHorizontalBox();

Box verticalBox = Box.createVerticalBox();

horiziontallBox1.add(label1);

horiziontallBox1.add(field1);

horiziontallBox1.add(label2);

horiziontallBox1.add(field2);

horiziontallBox2.add(label3);

horiziontallBox2.add(manButton);

horiziontallBox2.add(womenButton);

horiziontallBox3.add(label4);

horiziontallBox3.add(field3);

horiziontallBox3.add(label5);

horiziontallBox3.add(field4);

horiziontallBox4.add(label6);

horiziontallBox4.add(field5);

horiziontallBox4.add(label7);

horiziontallBox4.add(field6);

horiziontallBox5.add(button1);

horiziontallBox5.add(Box.createHorizontalStrut(5));

horiziontallBox5.add(button2);

horiziontallBox5.add(Box.createHorizontalStrut(5));

horiziontallBox5.add(button3);

horiziontallBox5.add(Box.createHorizontalStrut(5));

horiziontallBox5.add(button4);

verticalBox.add(Box.createVerticalStrut(25));

verticalBox.add(horiziontallBox1);

verticalBox.add(Box.createVerticalStrut(25));

verticalBox.add(horiziontallBox2);

verticalBox.add(Box.createVerticalStrut(25));

verticalBox.add(horiziontallBox3);

verticalBox.add(Box.createVerticalStrut(25));

verticalBox.add(horiziontallBox4);

verticalBox.add(Box.createVerticalStrut(25));

verticalBox.add(horiziontallBox5);

container.add(verticalBox);

ButtonHandle BH = new ButtonHandle();

button1.addActionListener(BH);

button2.addActionListener(BH);

button3.addActionListener(BH);

button4.addActionListener(BH);

setSize(400,400);

setVisible(true);

}

public static void main(String args[]) {

GTest3 a = new GTest3();

a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public class ButtonHandle extends JFrame implements ActionListener{

public void actionPerformed(ActionEvent e) {

if(e.getActionCommand() == "计算总成绩") {

  int math = Integer.parseInt(field3.getText());

  int english = Integer.parseInt(field4.getText());

  int politics = Integer.parseInt(field5.getText());

  String sum = Integer.toString(math+english+politics);

  field6.setText(sum);  

  }

if(e.getActionCommand() == "添加") {

String stuno = field1.getText();

String  stuname = field2.getText();

String stusex;

if(manButton.isSelected()) {

  stusex ="男";

  }

  else {

  stusex="女";

  }

String stumath = field3.getText();

String stuenglish = field4.getText();

String stupolitics  = field5.getText();

if(students.size()==0) {

Student s1 = new Student(stuno, stuname, stusex, stumath, stuenglish, stupolitics);

students.add(s1);

}

else {

for(Student s:students) {

if(s.getStuno().equals(stuno)) {

JOptionPane.showMessageDialog(null, "该学生学号已存在");

break;

}

else {

Student s1 = new Student(stuno, stuname, stusex, stumath, stuenglish, stupolitics);

students.add(s1);

break;

}

}

}

  }

if(e.getActionCommand() == "删除") {

String stuno = field1.getText();

Student student = null;

for(Student s:students) {

if(s.getStuno().equals(stuno)) {

student = s;

}

}

students.remove(student);

  }

if(e.getActionCommand() == "关闭") {

System.exit(0);

}

System.out.println(students);

}

}

}

public class Student {

private String stuno;

private String stuname;

private String stusex;

private String stumath;

private String stuenglish;

private String stupolitics;

public String getStuno() {

return stuno;

}

public void setStuno(String stuno) {

this.stuno = stuno;

}

public String getStuname() {

return stuname;

}

public void setStuname(String stuname) {

this.stuname = stuname;

}

public String getStusex() {

return stusex;

}

public void setStusex(String stusex) {

this.stusex = stusex;

}

public String getStumath() {

return stumath;

}

public void setStumath(String stumath) {

this.stumath = stumath;

}

public String getStuenglish() {

return stuenglish;

}

public void setStuenglish(String stuenglish) {

this.stuenglish = stuenglish;

}

public String getStupolitics() {

return stupolitics;

}

public void setStupolitics(String stupolitics) {

this.stupolitics = stupolitics;

}

public Student(String stuno,String stuname,String stusex,String stumath,String stuenglish, String stupolitics) {

this.stuno = stuno;

this.stuname = stuname;

this.stusex = stusex;

this.stumath = stumath;

this.stuenglish = stuenglish;

this.stupolitics = stupolitics;

}

public String toString() {

return "学号："+getStuno()+"姓名："+getStuname()+"性别："+getStusex()+"数学"+getStumath()+"英语"+getStuenglish()+"政治"+getStupolitics();

}

}