example.java

来自「电脑编程技巧和源码。很不错的。」· Java 代码 · 共 35 行

import java.awt.*;
import java.awt.event.*;
public class Example extends Frame implements InputReader{
	TextField showInput=new TextField("");
	public Example(){
		super("multiple listener demo");
		ShowSelect showSelect=new ShowSelect();
		InputField inputField=new InputField(10);
		inputField.enableReciever(this);	//注册
		inputField.enableReciever(showSelect); //注册
		//合理布局,并把inputField,showSelect,showInput加入该容器的代码行
	
		setBounds(0,0,400,200);
		setLayout(new BorderLayout());
		add("North",inputField);
		add("Center",showSelect);
		add("South",showInput);	
		enableEvents(AWTEvent.WINDOW_EVENT_MASK );
	}
	public static void main(String argv[]){
		(new Example()).setVisible(true);	
	}
	public void showSelection(int x,int y,String s){	}//实现接口方法, 不做处理
	public void showInput(int pos,String s){
		 showInput.setText(s);	
	} //实现接口方法
	public void processWindowEvent(WindowEvent e){
		switch(e.getID()){
			case WindowEvent.WINDOW_CLOSING:
				dispose();
		}
	}
}