systemdate.java

好的超市源码供大家下载

package view.com.systime;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JLabel;

public class SystemDate implements Runnable{

  private static JLabel jl;

  private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

  public SystemDate(JLabel jl) {
    this.jl = jl;
    Thread th = new Thread(this);
    // th.setDaemon(true);
    th.start();
    // this.start();
  }

  public void run() {
    while (true) {
      this.jl.setText("系统日期：" + sdf.format(new Date()));
      try {
        Thread.sleep(1000);
      } catch (InterruptedException e) {
        // TODO 自动生成 catch 块
        e.printStackTrace();
      }
    }
  }
  
  
}