2019java twelfth week Course summary

This week, mainly to learn graphical interface

Various containers use
the following code:

package text10;

import java.awt.*;
import java.io.File;

import javax.swing.*;

public class Text extends JFrame{
    public Text() {
        this.setTitle("窗口");
        Container cont=this.getContentPane();
        JLabel la=new JLabel("标签");
        JButton ba=new JButton("按钮");
        
        /*在窗体中添加面板*/
        JPanel panel = new JPanel(); 
    //  panel.add(ba);
    //  panel.add(la);
        
        
        //分割面板 JSplitPane
    /*  JSplitPane sp=new JSplitPane(JSplitPane.VERTICAL_SPLIT,ba,new JButton("s"));
        JSplitPane splitPane=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,la,sp);
        splitPane.setDividerSize(10);           //设置的分隔符宽度
        splitPane.setDividerLocation(50);  //设置分隔条位置
        splitPane.setOneTouchExpandable(true);   //设置快速展开折叠分隔条
        this.add(splitPane);
        this.pack();
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
        */
        
        //在面板中设置多个选项卡 JTabbbedPane
    /*  JTabbedPane tp=new JTabbedPane(JTabbedPane.BOTTOM);
        tp.addTab("文件",ba);
        String path="d:"+File.separator+"游戏素材"+File.separator+"星星.png";
        ImageIcon image=new ImageIcon(path);
        tp.addTab("图片", image,panel.add(la));//添加的图片是在菜单栏的图标，而不是他的内容
        cont.add(tp);
        this.pack();
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
        */
        
        //显示内容加滚动条JScrollPane
    /*  String path="d:"+File.separator+"游戏素材"+File.separator+"星星.png";
        Icon image=new ImageIcon(path);
        panel.add(new JLabel(image));
        JScrollPane sp=new JScrollPane(panel,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        cont.add(sp);
        this.pack();
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
        */
        
        //在一个窗体内出现一个或多个子窗体,JDesktopPane规定父窗体;JInternalFrame规定子窗体
        this.setLayout(new BorderLayout());
        JDesktopPane dp=new JDesktopPane();
        cont.add(dp,BorderLayout.CENTER);
        cont.add(la,BorderLayout.SOUTH);
        JInternalFrame in=new JInternalFrame("小窗体",true,true,true,true);
        String path="d:"+File.separator+"游戏素材"+File.separator+"星星.png";
        Icon image=new ImageIcon(path);
        panel.add(new JLabel(image));
        in.setBounds(10, 10, 100, 100);
        in.add(panel);
        in.setVisible(true);
        dp.add(in);
        this.pack();
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
        
        
    }
    public static void main(String[] arge) {
        new Text();
    }
}

Run shot

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four

(Above code is mainly learned some uses of testing this week and other containers)

Computer code and usage of monitors

package text11;

import java.awt.*;
import java.awt.event.ActionEvent;
import javax.swing.*;

public class Jisuanji extends JFrame implements Action{
    
    Container cont;
    JPanel pan,pan1,pan2,pan3,pan4;
    JTabbedPane tp;
    JTextArea ta;
    JButton bt,bt1,bt2;
    JButton[] but=new JButton[20];
    String str[]= {"7","8","9","/","sqrt","4","5","6","*","%","1","2","3","-","1/x","0","+/-",".","+","="};
    
    
    public Jisuanji() {
        this.setTitle("计算机");
        this.setBounds(100,100, 310, 370);
        this.setResizable(false);
        
        cont=this.getContentPane();
        pan=new JPanel(new FlowLayout(FlowLayout.RIGHT));
        pan1=new JPanel();
        pan2=new JPanel();
        pan3=new JPanel();
        pan4=new JPanel(new GridLayout(4,5,0,10));
        tp=new JTabbedPane(JTabbedPane.TOP);
        ta=new JTextArea(5,28);
        ta.setEditable(false);
        bt=new JButton("Backspace");
        bt1=new JButton("CE");
        bt2=new JButton("C");
        
        ta.setLineWrap(true);
        pan.add(ta);
        pan3.add(bt);
        pan3.add(bt1);
        pan3.add(bt2);
        pan.add(pan3);
        for(int i=0;i<20;i++){
            but[i] =new JButton(""+str[i]);
            pan4.add(but[i]);
        }
        pan.add(pan4);
        tp.addTab("编辑(E)",pan);
        tp.addTab("查看(V)",pan1);
        tp.addTab("帮助(H)",pan2);
        cont.add(tp);
        
        for(int i=0;i<20;i++) {
            but[i].addActionListener(this);
        }

        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
        
        
    }

    public static void main(String[] args) {
        new Jisuanji();
    }

    public void actionPerformed(ActionEvent e) {
        for(int i=0;i<20;i++){
            if(e.getSource()==but[i])
               ta.append(str[i]);
        }
        
        
    }

    @Override
    public Object getValue(String key) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void putValue(String key, Object value) {
        // TODO Auto-generated method stub
        
    }
    
    

}

operation result

There are learning the adapter for listening window, or this week, mainly to the graphical interface further study