【JavaGUI】JavaGUI入门到小游戏实战(3)

前言：

本文内容：Swing和JFrame窗口、JDialog弹窗、Icon和ImageIcon标签、文本域JScroll面板、图片按钮单选框多选框、下拉框列表框、文本框密码框文本域

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Swing和JFrame窗体

窗口,面板：

package com.jokerdig.lesson4;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 9:52
 **/
public class JFrameDemo02 {
    public static void main(String[] args) {
        new MyJframe2().init();
    }
}
class MyJframe2 extends JFrame{
    public void init(){
        this.setVisible(true);
        this.setBounds(100,100,100,100);
        JLabel label = new JLabel("这是Jlabel");
        this.add(label);
        //设置水平对齐
        label.setHorizontalAlignment(SwingConstants.CENTER);

        //获得容器
       Container container =this.getContentPane();
       container.setBackground(Color.pink);
        //关闭事件
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }
}

标签居中：

label.setHorizontalAlignment(SwingConstants.CENTER);

JDialog弹窗

JDialog：

用来被弹出，默认有关闭事件

package com.jokerdig.lesson4;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 10:09
 **/
//主窗口
public class DialogDemo extends JFrame {
    public DialogDemo(){
        this.setVisible(true);
        this.setSize(600,500);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        //JFrame 放东西 容器
        Container container = this.getContentPane();
        //绝对布局
        container.setLayout(null);
        //按钮
        JButton button = new JButton("点击弹出对话框");
        button.setBounds(30,30,200,50);
        container.add(button);
        //点击这个按钮，弹出弹窗
        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                //弹窗
                new MyDialogDemo();
            }
        });
    }

    public static void main(String[] args) {
        new DialogDemo();
    }
}
//弹窗的窗口
class MyDialogDemo extends JDialog{
    public MyDialogDemo() {
        this.setVisible(true);
        this.setBounds(100,100,500,500);
        // 弹窗默认有关闭监听
        //  this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        Container con = this.getContentPane();
        con.setLayout(null);
        con.add(new Label("这就是一个弹窗"));
    }
}

Icon、ImageIcon标签

label:

1	new JLabel("标题");

图标Icon:

package com.jokerdig.lesson4;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

/**
 * @author Joker大雄
 * @data 2021/8/18 - 10:49
 **/
public class ImageIconDemo extends JFrame {
    public ImageIconDemo(){
        //获取图片地址
        JLabel label = new JLabel("imageIcon");
        URL url=ImageIconDemo.class.getResource("1.jpg");

        ImageIcon imageIcon=new ImageIcon(url);
        label.setIcon(imageIcon);
        label.setHorizontalAlignment(SwingConstants.CENTER);
        Container con = getContentPane();
        con.add(label);

        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(100,100,200,200);
    }

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

文本域JScroll面板

JPanel:

package com.jokerdig.lesson5;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 11:11
 **/
public class JPanelDemo extends JFrame {

    public JPanelDemo(){
        Container con = this.getContentPane();
        con.setLayout(new GridLayout(2,1,10,10));//有间距

        JPanel jp = new JPanel(new GridLayout(1,3));
        JPanel jp2 = new JPanel(new GridLayout(1,2));
        JPanel jp3 = new JPanel(new GridLayout(3,1));
        jp.add(new JButton("1"));
        jp.add(new JButton("2"));
        jp.add(new JButton("3"));
        jp2.add(new JButton("2"));
        jp2.add(new JButton("3"));
        jp3.add(new JButton("2"));
        jp3.add(new JButton("3"));

        con.add(jp);
        con.add(jp2);
        con.add(jp3);
        this.setVisible(true);
        this.setBounds(100,100,100,100);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }

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

JScrollPanel:

package com.jokerdig.lesson5;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 11:16
 **/
public class JScrollDemo extends JFrame {
    public JScrollDemo(){
        Container con = this.getContentPane();

        //文本域
        JTextArea textarea = new JTextArea(20,30);
        textarea.setText("文本域");

        //Scroll面板
        JScrollPane jScrollPane = new JScrollPane(textarea);
        con.add(jScrollPane);

        this.setVisible(true);
        this.setBounds(100,100,100,100);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        this.setVisible(true);
        this.setBounds(100,100,300,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }

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

图片按钮、单选框、多选框

图片按钮

package com.jokerdig.lesson5;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

/**
 * @author Joker大雄
 * @data 2021/8/18 - 11:28
 **/
public class JButtonDemo1 extends JFrame {
    public JButtonDemo1(){
        Container con = this.getContentPane();
        //将图片变为图标
        URL url = JButtonDemo1.class.getResource("133.jpg");
        Icon icon = new ImageIcon(url);

        //把这个图标放在按钮
        JButton button = new JButton();
        button.setIcon(icon);
        button.setToolTipText("图片按钮");

        con.add(button);
        this.setVisible(true);
        this.setBounds(100,100,1001,100);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }
    public static void main(String[] args) {
        new  JButtonDemo1();
    }

}

单选按钮(需要分组ButtonGroup)

package com.jokerdig.lesson5;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

/**
 * @author Joker大雄
 * @data 2021/8/18 - 11:52
 **/
public class JButtonDemo2 extends JFrame {
    public JButtonDemo2(){
        Container con = this.getContentPane();
        //将图片变为图标
        URL url = JButtonDemo1.class.getResource("133.jpg");
        Icon icon = new ImageIcon(url);

        //单选框
        JRadioButton jRadioButton1 = new JRadioButton("JRadioButton1");
        JRadioButton jRadioButton2 = new JRadioButton("JRadioButton1");

        //由于单选框只能选择一个，分组
        ButtonGroup group =  new ButtonGroup();
        group.add(jRadioButton1);
        group.add(jRadioButton2);
        con.add(jRadioButton1,BorderLayout.NORTH);
        con.add(jRadioButton2,BorderLayout.SOUTH);
        
        this.setVisible(true);
        this.setBounds(100,100,1001,100);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }
    public static void main(String[] args) {
        new  JButtonDemo2();
    }

}

复选按钮

package com.jokerdig.lesson5;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

/**
 * @author Joker大雄
 * @data 2021/8/18 - 11:52
 **/
public class JButtonDemo3 extends JFrame {
    public JButtonDemo3(){
        Container con = this.getContentPane();
        //将图片变为图标
        URL url = JButtonDemo1.class.getResource("133.jpg");
        Icon icon = new ImageIcon(url);

       //多选框
        JCheckBox jCheckBox1 = new JCheckBox("Chebox1");
        JCheckBox jCheckBox2 = new JCheckBox("Chebox1");
        JCheckBox jCheckBox3 = new JCheckBox("Chebox1");

        con.add(jCheckBox1,BorderLayout.NORTH);
        con.add(jCheckBox2,BorderLayout.CENTER);
        con.add(jCheckBox3,BorderLayout.SOUTH);


        this.setVisible(true);
        this.setBounds(100,100,1001,100);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }
    public static void main(String[] args) {
        new JButtonDemo3();
    }
}

下拉框、列表框

下拉框

package com.jokerdig.lesson6;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 12:01
 **/
public class ComboxDemo1 extends JFrame {
    public ComboxDemo1(){
        Container con = this.getContentPane();
        //下拉框
        JComboBox jComboBox = new JComboBox();

        jComboBox.addItem(null);
        jComboBox.addItem("正字热映");
        jComboBox.addItem("即将下架");
        jComboBox.addItem("已下架");
        con.add(jComboBox);

        this.setVisible(true);
        this.setBounds(100,100,200,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new ComboxDemo1();
    }
}

列表框

package com.jokerdig.lesson6;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 12:01
 **/
public class ComboxDemo2 extends JFrame {
    public ComboxDemo2(){
        Container con = this.getContentPane();

        //列表框
        String[]arge = {"1：","2：","3："};
        JList jList = new JList(arge);
        con.add(jList);

        this.setVisible(true);
        this.setBounds(100,100,200,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new ComboxDemo2();
    }
}

应用场景：

选择地区，或一些单个选项。
列表用来展示信息，一般是动态扩容。

文本框、密码框、文本域

文本框

package com.jokerdig.lesson6;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 12:01
 **/
public class TextDemo1 extends JFrame {
    public TextDemo1(){
        Container con = this.getContentPane();

        //文本框
        JTextField text1 = new JTextField("hello");
        JTextField text2 = new JTextField("world");

        con.add(text1,BorderLayout.NORTH);
        con.add(text2,BorderLayout.SOUTH);


        this.setVisible(true);
        this.setBounds(100,100,200,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new TextDemo1();
    }
}

密码框

package com.jokerdig.lesson6;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 12:01
 **/
public class TextDemo2 extends JFrame {
    public TextDemo2(){
        Container con = this.getContentPane();

        //密码框
        JPasswordField text1 = new JPasswordField("输入密码");

        JPasswordField text2 = new JPasswordField("world");
        //也可以自定义隐藏样式,默认是·
        text2.setEchoChar('*');
        con.add(text1,BorderLayout.NORTH);
        con.add(text2,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setBounds(100,100,200,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new TextDemo2();
    }
}

文本域

package com.jokerdig.lesson6;

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

/**
 * @author Joker大雄
 * @data 2021/8/18 - 12:01
 **/
public class TextDemo3 extends JFrame {
    public TextDemo3(){
        Container con = this.getContentPane();

        //文本域
        JTextArea text1 = new JTextArea(20,30);

        text1.setText("文本域");
        //通过面板显示
        JScrollPane jScrollPane = new JScrollPane(text1);
        con.add(jScrollPane);

        this.setVisible(true);
        this.setBounds(100,100,200,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new TextDemo3();
    }
}