Java知识点复习:Day27
作者:互联网
课堂实践
package Demo01;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
//上次失败内容
public class DialogDemo01 extends JDialog {
public DialogDemo01(JFrame jframe) {
super(jframe,false);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
JFrame j = new JFrame();
j.setVisible(true);
j.setBounds(100,100,700,500);
j.setDefaultCloseOperation(EXIT_ON_CLOSE);
Container container = j.getContentPane();
container.setLayout(null);
JButton button = new JButton("我要登录");
button.setBounds(30,30,200,50);
button.addActionListener(new ActionListener() {
DialogDemo01 s = new DialogDemo01(j);
@Override
public void actionPerformed(ActionEvent e) {
System.out.println("我被点击了");
}
});
container.add(button);
}
}
package Demo02;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
/*
*
* 面板作为容器不能单独存在,必须放在其他容器里面 JFrame , JDialog
*
*
*
*/
public class JPaneDemo extends JFrame{
public JPaneDemo() {
Container container1 = this.getContentPane();
container1.setLayout(new GridLayout(2,1,10,10));
JPanel panel = new JPanel(new GridLayout(1,3));
panel.add(new JButton("1"));
panel.add(new JButton("2"));
panel.add(new JButton("3"));
container1.add(panel);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new JPaneDemo();
}
}
package Demo02;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/*
*
* 面板作为容器不能单独存在,必须放在其他容器里面 JFrame , JDialog
*
*
*
*/
public class JScrollDemo extends JFrame{
public JScrollDemo() {
Container container1 = this.getContentPane();
// 文本域
JTextArea textarea = new JTextArea(20,50);
textarea.setText("大数据五班");
// scroll 面板
JScrollPane scrollpane = new JScrollPane(textarea);
//JPanel scrollpane = new JPanel();
//scrollpane.add(textarea);
container1.add(scrollpane);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new JScrollDemo();
}
}
package Demo03;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.WindowConstants;
public class TestBorderLayout {
public static void main(String[] args) {
JFrame j = new JFrame();
j.setVisible(true);
j.setBounds(100,100,700,500);
j.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
JButton button1 = new JButton("east");
JButton button2 = new JButton("west");
JButton button3 = new JButton("south");
JButton button4 = new JButton("north");
JButton button5 = new JButton("center");
j.add(button1,BorderLayout.EAST);
j.add(button2,BorderLayout.WEST);
j.add(button3,BorderLayout.SOUTH);
j.add(button4,BorderLayout.NORTH);
j.add(button5,BorderLayout.CENTER);
}
}
package Demo03;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.WindowConstants;
public class TestFlowLayout2 {
// 流失布局
public static void main(String[] args) {
JFrame j = new JFrame();
j.setVisible(true);
j.setBounds(100,100,700,500);
j.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
// j.setLayout(new FlowLayout()); 不传参数默认居中
j.setLayout(new FlowLayout(FlowLayout.LEFT));
JButton button1 = new JButton("button1");
JButton button2 = new JButton("button2");
JButton button3 = new JButton("button3");
JButton button4 = new JButton("button4");
JButton button5 = new JButton("button5");
JButton button6 = new JButton("button6");
j.add(button1);
j.add(button2);
j.add(button3);
j.add(button4);
j.add(button5);
j.add(button6);
}
}
package Demo03;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.WindowConstants;
public class TestGrid {
// 流失布局
public static void main(String[] args) {
JFrame j = new JFrame();
j.setVisible(true);
j.setBounds(100,100,700,500);
j.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
j.setLayout(new GridLayout(3,2));
JButton button1 = new JButton("button1");
JButton button2 = new JButton("button2");
JButton button3 = new JButton("button3");
JButton button4 = new JButton("button4");
JButton button5 = new JButton("button5");
//JButton button6 = new JButton("button6");
j.add(button1);
j.add(button2);
j.add(button3);
j.add(button4);
j.add(button5);
//j.add(button6);
//j.pack();
}
}
package Demo04;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/*
*
* 面板作为容器不能单独存在,必须放在
*
*
*
*/
public class CheckBox extends JFrame{
public CheckBox() {
Container container1 = this.getContentPane();
JCheckBox checkbox1 = new JCheckBox("checkbox1");
JCheckBox checkbox2 = new JCheckBox("checkbox2");
JCheckBox checkbox3 = new JCheckBox("checkbox3");
container1.add(checkbox1,BorderLayout.CENTER);
container1.add(checkbox2,BorderLayout.NORTH);
container1.add(checkbox3,BorderLayout.SOUTH);
JPanel panel = new JPanel(new GridLayout(1,3));
container1.add(panel);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new CheckBox();
}
}
package Demo04;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/*
*
* 面板作为容器不能单独存在,必须放在其他容器里面 JFrame , JDialog
*
*
*
*/
public class RadioButon extends JFrame{
public RadioButon() {
Container container1 = this.getContentPane();
// 单选框
JRadioButton radiobutton1 = new JRadioButton("单选1");
JRadioButton radiobutton2 = new JRadioButton("JRadioButton3");
JRadioButton radiobutton3 = new JRadioButton("JRadioButton3");
JRadioButton radiobutton4 = new JRadioButton("JRadioButton4");
//在一个group里面只能有一个container1.add(radiobutton3,BorderLayout.SOUTH);被选中
ButtonGroup group = new ButtonGroup();
group.add(radiobutton1);
group.add(radiobutton2);
group.add(radiobutton3);
container1.add(radiobutton1,BorderLayout.CENTER);
container1.add(radiobutton2,BorderLayout.NORTH);
container1.add(radiobutton3,BorderLayout.SOUTH);
container1.add(radiobutton4,BorderLayout.EAST);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new RadioButon();
}
}
package Demo05;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/*
*
* 面板作为容器不能单独存在,必须放在其他容器里面 JFrame , JDialog
*
*
*
*/
public class TextComBoxDemo01 extends JFrame{
public TextComBoxDemo01() {
Container container1 = this.getContentPane();
// 下拉框
JComboBox status = new JComboBox();
status.addItem(null);
status.addItem("正在睡觉");
status.addItem("准备睡觉");
status.addItem("看电视");
container1.add(status);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new TextComBoxDemo01();
}
}
package Demo05;
import java.awt.Container;
import java.awt.GridLayout;
import java.util.Vector;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/*
*
* 面板作为容器不能单独存在,必须放在其他容器里面 JFrame , JDialog
*
*
*
*/
public class TextComBoxDemo02 extends JFrame{
public TextComBoxDemo02() {
Container container1 = this.getContentPane();
// 下拉框
// String[] contents = {"1","五班","java"}
Vector<Object> contents = new Vector();
JList jlist = new JList(contents);
contents.add("五班");
contents.add("爱学习");
contents.add("打游戏");
contents.add("兼得");
container1.add(jlist);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
this.setBounds(100,100,500,500);
}
public static void main(String[] args) {
new TextComBoxDemo02();
}
}
2020080605036
标签:知识点,Java,import,Day27,JButton,add,swing,new,javax 来源: https://blog.csdn.net/u011915914/article/details/117914581