第二十七课时

ava学习

day28

目录

1、文本框/密码框
1.1、文本框

package Demo01;

import java.awt.BorderLayout;
import java.awt.Container;

import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.WindowConstants;
//文本框
public class TestTextDemo01 extends JFrame{
public TestTextDemo01() {
Container container = this.getContentPane();

	//建文本框
	JTextField textfield = new JTextField("Hello");
	JTextField textfield2 = new JTextField("大数据5班");
	
	//设置方位
	container.add(textfield,BorderLayout.NORTH);
	container.add(textfield2,BorderLayout.SOUTH);
	
	this.setVisible(true);
	this.setSize(500, 350);
	this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
	
}

public static void main(String[] args) {
	new TestTextDemo01();
}

}
1.2、密码框
运行代码如下:

package Demo01;

import java.awt.BorderLayout;
import java.awt.Container;

import javax.swing.JFrame;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.WindowConstants;
//密码框
public class TestTextDemo02 extends JFrame{
public TestTextDemo02() {
Container container = this.getContentPane();

	//建文本框
	JPasswordField passwordField = new JPasswordField();
	passwordField.setEchoChar('^');
	
	//设置方位
	container.add(passwordField);
	
	this.setVisible(true);
	this.setSize(500, 350);
	this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}

public static void main(String[] args) {
	new TestTextDemo02();
}

}