package Calculatorver1;
import javax.swing.*;
import java.awt.*;

public class CalculatorJFrame extends JFrame{
    public CalculatorJFrame() {
            initJFrame();

            loadInterFace();

            this.setVisible(true);
        }

    private void loadInterFace() {

        JLabel j1 = new JLabel("简易计算器");
        JLabel j2 = new JLabel("运算数一");
        JLabel j3 = new JLabel("运算数二");
        JLabel j4 = new JLabel("运算结果");
        JLabel l1 = new JLabel(" ".repeat(1000));
        JLabel l2 = new JLabel(" ".repeat(1000));
        JLabel l3 = new JLabel(" ".repeat(1000));
        JLabel l4 = new JLabel(" ".repeat(1000));
        JLabel l5 = new JLabel(" ".repeat(1000));

        JTextField t1 = new JTextField(10);
        JTextField t2 = new JTextField(10);
        JTextField t3 = new JTextField(10);
        JButton b1 = new JButton("相加");
        JButton b2 = new JButton("相减");
        JButton b3 = new JButton("全部清零");

        this.getContentPane().add(j1);
        this.getContentPane().add(l1);
        this.getContentPane().add(j2);
        this.getContentPane().add(t1);
        this.getContentPane().add(l2);
        this.getContentPane().add(j3);
        this.getContentPane().add(t2);
        this.getContentPane().add(l3);
        this.getContentPane().add(j4);
        this.getContentPane().add(t3);
        this.getContentPane().add(l4);
        this.getContentPane().add(b1);
        this.getContentPane().add(b2);
        this.getContentPane().add(l5);
        this.getContentPane().add(b3);

    }

    private void initJFrame() {
        this.setSize(400,400);
        this.setTitle("简易计算器");
        this.setLocationRelativeTo(null);
        this.setDefaultCloseOperation(3);
        this.setLayout(new FlowLayout());
    }
}