package youg;

import java.util.Date;
import java.util.Random;

public class hiden {
 public int rand()
 {
  int sta=1;
  
  //Date d=new Date();
  double time=System.currentTimeMillis();
  Random r=new Random();
  sta=r.nextInt((int)time%1000)%10;
  System.out.println(sta);
  return sta;
 }
 
 public static void main(String args[])
 {
  hiden h=new hiden();
  System.out.println(h.rand());
 }

}

package youg;

import java.util.Random;

class ChooseThread extends Thread
{
        private boolean runFlag = true;//決定此線程是否運行的標記
        //需要該對象來讀取文本框字段，不用創建它，申明下就好
        private ChooseAward chooseAward = null;
        private int time=0;
        //創建一個新的隨機數生成器
        Random randomNumber = new Random();

        public ChooseThread(Object obj)
        {
                start();
                chooseAward = (ChooseAward) obj;
        }

        public void start()
        {
                runFlag = false;
                super.start();
        }

        public void changeflag_start()
        {
                runFlag = true;
                time++;//每點擊一次加一
        }

        public void changeflag_stop()
        {
                runFlag = false;
        }

        /*
         *實現文本框滾動的效果
         */
        public void run()
        {
         
         while (runFlag)
                {
                        /*
                         * 返回一個偽隨機數，它是從此隨機數生成器的序列中取出的
                         * 、在 0（包括）和指定值（不包括）之間均勻分布的 int值
                         */
                        //返回向量中存儲了幾個號碼的隨便一個序號
                 int num; 
                 hiden h=new hiden();
                 int k=h.rand();
                    if(k>chooseAward.level)
                    {
                 num = randomNumber.nextInt(chooseAward.v_identNumber.size());
                  
                 //顯示那個選中的序號對應的號碼
                    chooseAward.t_identNumber.setText((String) chooseAward.v_identNumber
                                        .elementAt(num));
                    }
                    else if(k<=chooseAward.level&&chooseAward.level<10&&chooseAward.z_identNumber.size()>=1)
                    {
                     
                     num = randomNumber.nextInt(chooseAward.z_identNumber.size());
                    
                     //顯示那個選中的序號對應的號碼
                        chooseAward.t_identNumber.setText((String) chooseAward.z_identNumber
                                            .elementAt(num)+"****");
                        //chooseAward.z_identNumber.removeElementAt(num);
                    }
                    else if(chooseAward.level<10)
                    {
                     num = randomNumber.nextInt(chooseAward.v_identNumber.size());
                    
                     //顯示那個選中的序號對應的號碼
                        chooseAward.t_identNumber.setText((String) chooseAward.v_identNumber
                                            .elementAt(num));
                     
                    }
                    else if(chooseAward.level>=10&&time<=6)
                    {
                     num = randomNumber.nextInt(chooseAward.v_identNumber.size());
                     chooseAward.t_identNumber.setText((String) chooseAward.v_identNumber
                                 .elementAt(num));
                    }
                        try
                        {
                                sleep(50);
                        }
                        catch (Exception e)
                        {
                                e.printStackTrace();
                        }
                }
        }
}

     摘要: /* *此小程序的基本流程是，在一個文本文件存放里面備選的數據，數據的格式是每行有姓名 和 手機號 *他們之間是用分隔符-來分隔的。然后在自定義一個方法，通過分隔符來區分姓名和手機號，然后將 *他們分別存儲進兩個不同的可變向量當中。 *   自定義一個線程，此線程是專門用來隨機選取一個號碼， 并且每隔50毫秒就將一個不同的號碼顯示在 *   號碼框...  閱讀全文