package com.day01;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class CallName extends JFrame implements Runnable{
private JLabel JName;//设置名字到标签
private JButton start;//启动线程
private JButton stop;//停止线程
public static String[] names={"许锦迪","白小龙","赵帅","王启明","冯赟","曹正明","杜光明","王金龙",
"李法勇","崔超波","何仁梁","朱东洋","韩高峰","杨蒙蒙","孙翠翠","李世杰","吴超","芦肖杨","蒲文涛","朱壮志","张孟晖","吴创创",
"韩朋欢","顾豪","刘睿","曲良芯","董振坤","舒攀科","闫平平","徐孟博","高运来","王家宝","李晓旭","郭政良","常军凯","高明",
"贾旺旺","马儒博","周淼","宋梦雪","周旭峰","赵鑫","胡生晓","徐豪","王玉皎","张梦雪"};
public static boolean flag=true;
private static Thread thread;
private static CallName call;
/**
* @param args
*/
public static void main(String[] args) {
call=new CallName();
thread=new Thread(call);
}
/**
* 构造方法
*/
public CallName() {
//初始化标签
this.setLayout(null);
//设置显示第一次的姓名
Random num=new Random();
int index=num.nextInt(names.length);
JName=new JLabel(names[index]);
JName.setSize(100, 40);
JName.setFont(new Font("微软雅黑",Font.BOLD,30));
JName.setLocation(95,110);
start=new JButton("start");
start.setFont(new Font("微软雅黑",Font.BOLD,16));
start.setSize(80, 30);
start.setLocation(40, 20);
start.setFocusable(false);
start.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
flag=true;
if (flag) {
thread.start();
}
}
});
stop=new JButton("stop");
stop.setFont(new Font("微软雅黑",Font.BOLD,16));
stop.setSize(80, 30);
stop.setFocusable(false);
stop.setLocation(180, 20);
stop.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
flag=false;
}
});
this.add(JName);
this.add(start);
this.add(stop);
this.setTitle("点名器");
this.setSize(300, 250);
this.setResizable(false);
this.setLocationRelativeTo(null);
this.setVisible(true);
}
@Override
public void run() {
// TODO Auto-generated method stub
while(true){
if(flag){
try {
Thread.sleep(60);
Random num=new Random();
int index=num.nextInt(names.length);
JName.setText(names[index]);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}