0
点赞
收藏
分享

微信扫一扫

java:Icon、Imagelcon标签

janedaring 2022-04-15 阅读 79
intellij-ideajava

Icon、ImageIcon标签

标签

label

new Label("xxx")

图标ICON

  • 图标
package lesson04;

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

//图标,需要实现类,Frame继承
public class IconDemo extends JFrame implements Icon{
    private int width;
    private int height;
    //无参构造
    public IconDemo(){

    }
    public IconDemo(int width,int height){
        this.width = width;
        this.height = height;
    }
    public void init(){
        IconDemo iconDemo = new IconDemo(15, 15);
        //图标放在标签上,也可以放在按钮上
        JLabel label = new JLabel("icontest", iconDemo, SwingConstants.CENTER);

        Container container = this.getContentPane();
        container.add(label);
        
        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
		new IconDemo().init();
    }
    public void paintIcon(Component c, Graphics g, int x, int y) {
        g.fillOval(x,y,width,height);
    }

    @Override
    public int getIconWidth() {
        return this.width;
    }

    @Override
    public int getIconHeight() {
        return this.height;
    }
}

  • 图片

    package lesson04;

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

public class ImageIconDemo extends JFrame {

    public ImageIconDemo(){
        //获取图片的地址
        super("我的第一张图片");
        JLabel label = new JLabel("ImageIcon");
        URL url = ImageIconDemo.class.getResource("tx.jpg");

        ImageIcon imageIcon = new ImageIcon(url);//命名不要冲突
        label.setIcon(imageIcon);
        label.setHorizontalAlignment(SwingConstants.CENTER);

        Container container = getContentPane();
        container.add(label);

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

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

面板

JPanel

package lesson05;

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

public class JPanelDemo extends JFrame {
    public JPanelDemo(){
        Container container = this.getContentPane();

        container.setLayout(new GridLayout(2,1,10,10));//后面的参数的意思,间距

        JPanel panel1 = new JPanel(new GridLayout(1,3));
        JPanel panel2 = new JPanel(new GridLayout(1,2));
        JPanel panel3 = new JPanel(new GridLayout(2,1));
        JPanel panel4 = new JPanel(new GridLayout(3,3));
        panel1.add(new JButton("1"));
        panel1.add(new JButton("1"));
        panel1.add(new JButton("1"));
        panel2.add(new JButton("2"));
        panel2.add(new JButton("2"));
        panel3.add(new JButton("3"));
        panel3.add(new JButton("3"));
        panel4.add(new JButton("4"));
        panel4.add(new JButton("4"));
        panel4.add(new JButton("4"));
        panel4.add(new JButton("4"));
        panel4.add(new JButton("4"));
        panel4.add(new JButton("4"));
        container.add(panel1);
        container.add(panel2);
        container.add(panel3);
        container.add(panel4);

        this.setSize(500,500);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setVisible(true);
    }

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

JScrollPanel

package lesson05;

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

public class JScrollDemo extends JFrame {
    public JScrollDemo(){
        Container container = this.getContentPane();

        //文本域
        JTextArea textArea = new JTextArea(20, 50);
        textArea.setText("你好呀");
  

        //Scroll面板
        JScrollPane scrollPane = new JScrollPane(textArea);
        container.add(scrollPane);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setBounds(100,100,300,350);
    }

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

按钮

  • 图片按钮
package lesson05;

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

public class JButtonDemo01 extends JFrame {
    public JButtonDemo01(){
        Container container = this.getContentPane();
        //将一个图片变成图标
        URL resource = JButtonDemo01.class.getResource("tx.jpg");
        Icon icon = new ImageIcon(resource);

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

        //add
        container.add(button);

        this.setVisible(true);
        this.setSize(500,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new JButtonDemo01();
    }
}
  • 单选按钮
package lesson05;

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

public class JButtonDemo02 extends JFrame {
    public JButtonDemo02(){
        Container container = this.getContentPane();
        //将一个图片变成图标
        URL resource = JButtonDemo01.class.getResource("tx.jpg");
        Icon icon = new ImageIcon(resource);
        
        //单选框
        JRadioButton radioButton1 = new JRadioButton("JRadioButton01");
        JRadioButton radioButton2 = new JRadioButton("JRadioButton02");
        JRadioButton radioButton3 = new JRadioButton("JRadioButton03");
        
        //由于单选框只能选择一个,分组
        ButtonGroup group = new ButtonGroup();
        group.add(radioButton1);
        group.add(radioButton2);
        group.add(radioButton3);
        
        container.add(radioButton1,BorderLayout.CENTER);
        container.add(radioButton2,BorderLayout.NORTH);
        container.add(radioButton3,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setSize(500,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new JButtonDemo02();
    }
}
  • 复选按钮
package lesson05;

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

public class JButtonDemo03 extends JFrame {
    public JButtonDemo03(){
        Container container = this.getContentPane();
        //将一个图片变成图标
        URL resource = JButtonDemo01.class.getResource("tx.jpg");
        Icon icon = new ImageIcon(resource);


        //多选框
        JCheckBox checkBox01 = new JCheckBox("checkBox01");
        JCheckBox checkBox02 = new JCheckBox("checkBox02");

        container.add(checkBox01,BorderLayout.NORTH);
        container.add(checkBox02,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setSize(500,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new JButtonDemo03();
    }
}

列表

  • 下拉框
package lesson06;

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

public class TestComboxDemo01 extends JFrame{
    public TestComboxDemo01(){
        Container container = this.getContentPane();

        JComboBox status = new JComboBox();

        status.addItem(null);
        status.addItem("正在热映");
        status.addItem("已下架");
        status.addItem("即将上映");

        container.add(status);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setSize(500,350);
    }

    public static void main(String[] args) {
        new TestComboxDemo01();
    }
}
  • 列表框
package lesson06;

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

public class TestComboxDemo02 extends JFrame {
    public TestComboxDemo02(){
        Container container = this.getContentPane();

        //生成列表的内容
//        String[] contents ={"1","2","3"};

        Vector contents = new Vector();
        contents.add("zhangsan");
        contents.add("lisi");
        contents.add("wangwu");

        //列表中需要放入内容
        JList jList = new JList(contents);

        container.add(jList);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setSize(500,350);
    }

    public static void main(String[] args) {
        new TestComboxDemo02();
    }
}
  • 应用场景
    • 下拉框 选择地区,或者一些单个选项
    • 列表 展示信息,一般是动态扩容

文本框

  • 文本框
package lesson06;

import lesson05.JButtonDemo03;

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

public class TestTextDemo01 extends JFrame {
    public TestTextDemo01(){

        Container container = this.getContentPane();

        JTextField textField = new JTextField("hello");
        JTextField textField2 = new JTextField("world",20);

        container.add(textField,BorderLayout.NORTH);
        container.add(textField2,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setSize(500,350);
    }

    public static void main(String[] args) {
        new TestTextDemo01();
    }
}
  • 密码框
package lesson06;

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

public class TestTextDemo02 extends JFrame {
    public TestTextDemo02(){

        Container container = this.getContentPane();
        //面板

        JPasswordField passwordField = new JPasswordField();//***
        passwordField.setEchoChar('*');

        container.add(passwordField);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setSize(500,350);
    }

    public static void main(String[] args) {
        new TestTextDemo02();
    }
}
  • 文本域
package lesson05;

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

public class JScrollDemo extends JFrame {
    public JScrollDemo(){
        Container container = this.getContentPane();

        //文本域
        JTextArea textArea = new JTextArea(20, 50);
        textArea.setText("你好呀");


        //Scroll面板
        JScrollPane scrollPane = new JScrollPane(textArea);
        container.add(scrollPane);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setBounds(100,100,300,350);
    }

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

相关推荐

微信小程序 实现客服功能 和 ICON标签

ico控件表单虚拟化云计算

Java Icon图标的使用

icojavaide

java画技术架构图icon

Javajavaico后端开发

icon图标

前端css3vue.js

java加粗标签

字符串javaHTMLJava后端开发

【新拟态】左上角标签样式、ICON图标样式、模仿AppStore的应用图标

csscss3htmlRegular旋转角度OpenStack云计算

jQuery Mobile中图标icon样式大全ui-icon-*

jquery mobileicon图标ui-iconjqueryJavaScript前端开发

Flutter 中使用 ICON

java并发多线程

vs定义应用icon

wpfico宽高虚拟化云计算

icon转svg处理

单片机嵌入式硬件物联网
0 条评论