import java.awt.FlowLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

//=================================================

// File Name       :	FlowLayout_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	FlowLayout_demo

public class FlowLayout_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		//设置窗体中的布局管理器为FlowLayout，所有的组件居中对齐，水平和垂直间距为3

		f.setLayout(new FlowLayout(FlowLayout.CENTER,3,3));

		JButton but = null;

		for(int i=0;i<9;i++){

			but = new JButton("按钮--"+i);

			f.add(but);

		}

		f.setSize(500, 200);

		f.setVisible(true);

	}

}

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

//=================================================

// File Name       :	BorderLayout_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	BorderLayout_demo

public class BorderLayout_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		//设置窗体中的布局管理器为BorderLayout，水平和垂直间距为3

		f.setLayout(new BorderLayout(3,3));

		f.add(new JButton("东"),BorderLayout.EAST);

		f.add(new JButton("西"),BorderLayout.WEST);

		f.add(new JButton("南"),BorderLayout.SOUTH);

		f.add(new JButton("北"),BorderLayout.NORTH);

		f.add(new JButton("中"),BorderLayout.CENTER);

		f.pack(); 						//根据组件自动调整窗体的大小

		f.setVisible(true);

	}

}

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

//=================================================

// File Name       :	GridLayout_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	GridLayout_demo

public class GridLayout_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		//设置窗体中的布局管理器为GridLayout，3乘以5，水平和垂直间距为3

		f.setLayout(new GridLayout(3,5,3,3));

		JButton but = null;

		for(int i=0;i<13;i++){

			but = new JButton("按钮--"+i);

			f.add(but);

		}

		f.pack(); 		//根据组件自动调整窗体大小

		f.setVisible(true);

	}

}

import java.awt.BorderLayout;

import java.awt.CardLayout;

import java.awt.Container;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

//=================================================

// File Name       :	CardLayout_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	CardLayout_demo

public class CardLayout_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		Container cont = f.getContentPane();							//取得窗体容器

		CardLayout card = new CardLayout();							//定义布局管理器

		f.setLayout(card);

		cont.add(new JLabel("东123456789",JLabel.CENTER),"first");

		cont.add(new JLabel("西123456789",JLabel.CENTER),"second");

		cont.add(new JLabel("南123456789",JLabel.CENTER),"third");

		cont.add(new JLabel("北123456789",JLabel.CENTER),"fourth");

		cont.add(new JLabel("中123456789",JLabel.CENTER),"fifth");

		f.pack(); 		//根据组件自动调整窗体大小

		f.setVisible(true);

		card.show(cont, "third");

		for(int i=0;i<5;i++){			//循环显示每张卡片

			try{

				Thread.sleep(3000);

			}catch(InterruptedException e){

			}

			card.next(cont);

		}

	}

}

import java.awt.BorderLayout;

import java.awt.CardLayout;

import java.awt.Container;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

//=================================================

// File Name       :	AbsoluteLayout_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	AbsoluteLayout_demo

public class AbsoluteLayout_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		f.setLayout(null);				//绝对定位

		JLabel title = new JLabel("标签对象");							//建立标签对象

		JButton enter = new JButton("进入");							//建立按钮对象

		JButton help = new JButton("帮助");

		f.setSize(200,90); 						//设置窗体大小

		title.setBounds(45,5,150,20); 			//设置组件的位置及其大小

		enter.setBounds(10,30,80,20); 			//设置组件的位置及其大小

		help.setBounds(100,30,80,20); 			//设置组件的位置及其大小

		f.add(title);

		f.add(enter);

		f.add(help);

		f.setVisible(true);

	}

}