thejframe.java

经典java教材《java完美经典》一书中源码的完全收集

package j02100303;

import java.lang.*;
import java.awt.*;   //使用了 Color 类别
import javax.swing.*;

public class theJFrame extends JFrame
{
	JPanel P1;
	JPanel P2;
	JLabel L1;
	JTextField T1; 
	JButton B1;
	JButton B2;
	JPanel myContentPane;

	public theJFrame(int leftX,int leftY,int width,int height)
	{
		myContentPane = (JPanel)this.getContentPane();
		myContentPane.setLayout(null);  //想要手动指定各组件的位置
		P1 = new JPanel();
		P1.setBounds(10,10,80,100);
		P1.setLayout(null);
		P1.setBackground(Color.green);  //P1背景颜色为绿色	
		myContentPane.add(P1);
		P2 = new JPanel();		
		P2.setBounds(100,10,110,100);
		P2.setLayout(null);
		P2.setBackground(Color.red);  //P2 背景颜色为红色	
		myContentPane.add(P2);		

		L1 = new JLabel("输入代号：");
		L1.setBounds(10,30,70,30);
		P1.add(L1);
		T1 = new JTextField("在这里输入") ;
		T1.setBounds(10,30,90,30);
		P2.add(T1);
		B1 = new JButton("Button1");
		B1.setBounds(10,130,90,30);
		myContentPane.add(B1);
		B2 = new JButton("Button2");
		B2.setBounds(120,130,90,30);
	  myContentPane.add(B2);		  

		myContentPane.setBackground(Color.yellow);  //Frame 背影颜色为黄色		
		this.setBounds(leftX,leftY,width,height);  // 设定窗口的位置和大小
		this.setVisible(true);
	}
}