outbutton.java

模拟电梯运行的情况。该模拟软件能根据用户的要求同时生成N部电梯和M各楼层。能满足不同楼层对电梯的请求。

package a;

import java.awt.*;



import javax.swing.*;





//画外部：按钮
//################################################################*******************************************************************/
public class OutButton extends JPanel {

	 int numOfFloor;
	 JButton[] UP,DOWN;
	 public OutButton(int numOfFloor) {
		//init
		this.numOfFloor=numOfFloor;
	    init(); 
		setLayout(new GridLayout(numOfFloor,2,20,40));
		for(int i=numOfFloor;i>=1;i--){
			add(UP[i]);
			add(DOWN[i]);
		}
	}
		
		
		
		
	 protected void init(){
//		set out button
		UP=new JButton[numOfFloor+1];
		DOWN=new JButton[numOfFloor+1];
		for(int i=1;i<=numOfFloor;i++){
			UP[i]=new JButton(i+"↑"); 
			DOWN[i]=new JButton(i+"↓");
		}
		UP[numOfFloor]=new JButton();
	    DOWN[1]=new JButton();
	}
	    
	
}