📄 ernie.java
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//抽奖程序
//可以存取抽奖者的信息以及抽奖结果，可添加或删除抽奖者
//在帮组菜单中添加了程序的使用介绍及对该程序的一些说明
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import java.awt.Frame;
import java.lang.*;
public class Ernie extends Frame implements Runnable
{
static int num,l,t=0; //num:随机数; l:参加抽奖的总人数；t:记录获奖次序
static String filename=new String(); //文件名（存储抽奖者的信息及抽奖结果）
static String idcard[]=new String[30]; //抽奖者的身份证号码
static String name[]=new String[30]; //抽奖者的姓名
static String s=new String(); //为避免重复得奖，在抽出一名获奖者后将其信息与最后一名抽奖者对换，并减少抽奖人数
static int stopFlag; //标志所按下的键是开始键（1）还是停止键(2)
Random myrand=new Random();
Frame framemanual=new Frame(); //创建窗口，该窗口没有标题
Frame frameabout=new Frame();
Panel p=new Panel(); //面板 p:容纳整个摇奖界面；pkey:容纳按键；ptext：容纳号码及结果
Panel pKey=new Panel();
Panel pText=new Panel();
Panel p1=new Panel();
static TextField roll=new TextField(); //roll：滚动的屏幕；
static TextArea show=new TextArea(); //show：所有号码的显示；result：结果显示
static TextArea result=new TextArea();
Button buttmanual=new Button(" 关闭 ");
Button buttabout=new Button(" 关闭 ");
Button keyStart=new Button(" 开始 "); //开始、结束和退出按钮
Button keyStop=new Button(" 停止 ");
Button keyExit=new Button(" 退出 ");
MenuBar menuebar=new MenuBar();
Menu open=new Menu(" Open File ");
Menu save=new Menu(" Save File ");
Menu help=new Menu(" Help ");
MenuItem idname1=new MenuItem("Open Idname"); //打开抽奖者的信息文件
MenuItem idname2=new MenuItem("Save Idname"); //将抽奖者的信息存为文件
MenuItem result1=new MenuItem("Open Result"); //打开抽奖结果文件
MenuItem result2=new MenuItem("Save Result"); //将抽奖结果存为文件
MenuItem manual=new MenuItem("Manual"); //打开抽奖结果文件
MenuItem about=new MenuItem("About"); //将抽奖结果存为文件
public Ernie(int k){}
public Ernie() throws HeadlessException
{
this.setTitle("摇奖程序");
this.setMenuBar(menuebar);
this.add(p);
menuebar.add(open);
menuebar.add(save);
menuebar.add(help);
open.add(idname1);
open.add(result1);
save.add(idname2);
save.add(result2);
help.add(manual);
help.add(about);
p.setLayout(new BorderLayout());
p.add(roll,"North");
p.add(p1,"Center");
p1.setLayout(new BorderLayout());
p1.add(pKey,"North");
p1.add(pText,"Center");
pKey.setLayout(new FlowLayout(FlowLayout.CENTER,100,10));
pKey.add(keyStart);
keyStart.setFont(new Font("Monosapced",0,12));
pKey.add(keyStop);
keyStop.setFont(new Font("Monosapced",0,12));
pKey.add(keyExit);
keyExit.setFont(new Font("Monosapced",0,12));
pText.setLayout(new GridLayout(1,2));
pText.add(show);
pText.add(result);
this.addWindowListener(new WindowListener(){ //关闭窗口
public void windowClosing(WindowEvent e){ System.exit(1); }
public void windowOpened(WindowEvent e){}
public void windowIconified(WindowEvent e){}
public void windowDeiconified(WindowEvent e){}
public void windowClosed(WindowEvent e){}
public void windowActivated(WindowEvent e){}
public void windowDeactivated(WindowEvent e){}
});
idname1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {idname1_actionPerformed(e);}
});
result1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {result1_actionPerformed(e);}
});
idname2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {idname2_actionPerformed(e);}
});
result2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {result2_actionPerformed(e);}
});
manual.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {manual_actionPerformed(e);}
});
about.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {about_actionPerformed(e);}
});
keyStart.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {keyStart_actionPerformed(e);}
});
keyStop.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {keyStop_actionPerformed(e);}
});
keyExit.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {keyExit_actionPerformed(e);}
});
}
public void idname1_actionPerformed(ActionEvent e) //打开文件，将抽奖者的信息放入show文本区中
{
JFileChooser jfchooser1=new JFileChooser("E:");
String str=new String();
int i;
if(e.getSource()==idname1)
{
int returnVal=jfchooser1.showOpenDialog(this);
String filename=new String();
if(returnVal==JFileChooser.APPROVE_OPTION)
{
try
{
filename=jfchooser1.getSelectedFile().getAbsolutePath();
this.setTitle(" open "+ filename);
show.setText("所有参加抽奖人员的信息如下：\n\n");
FileReader fileReader=new FileReader(filename);
BufferedReader bufReader=new BufferedReader(fileReader);
for(i=0;(str=bufReader.readLine())!=null;i++)
{
show.append(str+"\n");
idcard[i]=new String();
name[i]=new String();
idcard[i]=str.substring(0,18);
name[i]=str.substring(18);
}
l=i;
t=0;
}
catch(IOException ie){}
}
}
}
public void result1_actionPerformed(ActionEvent e) //打开文件，将获奖者的信息放入result文本区中
{
JFileChooser jfchooser1=new JFileChooser("E:");
if(e.getSource()==result1)
{
int returnVal=jfchooser1.showOpenDialog(this);
String filename=new String();
String str=new String();
if(returnVal==JFileChooser.APPROVE_OPTION)
{
try
{
result.setText("");
filename=jfchooser1.getSelectedFile().getAbsolutePath();
this.setTitle(" open "+ filename);
FileReader fileReader=new FileReader(filename);
BufferedReader bufReader=new BufferedReader(fileReader);
for(int i=0;(str=bufReader.readLine())!=null;i++)
{
result.append(str+"\n");
}
}
catch(IOException ie){}
}
}
}
public void idname2_actionPerformed(ActionEvent e) //将show文本区中抽奖者的信息保存为文件
{
if(e.getSource()==idname2)
{
JFileChooser jfchooser2=new JFileChooser("E:");
int returnVal=jfchooser2.showSaveDialog(this);
if(returnVal==JFileChooser.APPROVE_OPTION)
{
try
{
filename=jfchooser2.getSelectedFile().getAbsolutePath();
String str=new String();
String []out=new String[30];
str=show.getText();
str=str.substring(str.indexOf((int)'\n')+1);
str=str.substring(str.indexOf((int)'\n')+1);
FileOutputStream outputfile=new FileOutputStream(filename);
DataOutputStream outs=new DataOutputStream(outputfile);
for(int i=0;str!=null;i++)
{
out[i]=new String();
out[i]=str.substring(0,str.indexOf((int)'\n'));
outs.write(out[i].getBytes());
outs.writeByte((int)'\r');
outs.writeByte((int)'\n');
str=str.substring(str.indexOf((int)'\n')+1);
}
outs.close();
}
catch(Exception ie){}
}
}
}
public void result2_actionPerformed(ActionEvent e) //将result文本区中获奖者的信息存为文件
{
if(e.getSource()==result2)
{
JFileChooser jfchooser2=new JFileChooser("E:");
int returnVal=jfchooser2.showSaveDialog(this);
if(returnVal==JFileChooser.APPROVE_OPTION)
{
try
{
String str=new String();
String res[]=new String[30];
str=result.getText();
filename=jfchooser2.getSelectedFile().getAbsolutePath();
FileOutputStream outputfile=new FileOutputStream(filename);
DataOutputStream outs=new DataOutputStream(outputfile);
for(int i=0;str.substring(0,str.indexOf((int)'\n')).compareTo("所有获奖人员均已抽取出")!=0;i++)
{
res[i]=new String();
res[i]=str.substring(0,str.indexOf((int)'\n'));
outs.write(res[i].getBytes());
outs.writeByte((int)'\r');
outs.writeByte((int)'\n');
str=str.substring(str.indexOf((int)'\n')+1);
}
outs.close();
}
catch(IOException ie){}
}
}
}
public void manual_actionPerformed(ActionEvent e) //manual
{
if(e.getSource()==manual)
{
framemanual.setTitle("manual"); //窗口的标题
framemanual.setSize(400,250); //窗口大小
framemanual.setLocation(20,110);
framemanual.setVisible(true); //显示窗口
Label l1=new Label();
Label l2=new Label();
Label l3=new Label();
Label l4=new Label();
Label l5=new Label();
l1.setForeground(new Color(150, 112, 165));
l2.setForeground(new Color(150, 112, 165));
l3.setForeground(new Color(150, 112, 165));
l4.setForeground(new Color(150, 112, 165));
l5.setForeground(new Color(150, 112, 165));
l1.setText("程序的使用说明");
l1.setSize(250,30);
l1.setLocation(150,35);
l1.setFont(new Font("Monosapced",0,15));
framemanual.add(l1);
l2.setSize(360,20);
l2.setLocation(30,75);
l2.setFont(new Font("Monosapced",0,12));
framemanual.add(l2);
l2.setText("先载入抽奖者的信息文件，然后点击开始进行抽奖，每点击一次");
l3.setSize(360,20);
l3.setLocation(30,95);
l3.setFont(new Font("Monosapced",0,12));
framemanual.add(l3);
l3.setText("停止则会产生一个获奖者，当抽奖结束后可将获奖结果存为文件");
l4.setSize(360,20);
l4.setLocation(30,115);
l4.setFont(new Font("Monosapced",0,12));
framemanual.add(l4);
l4.setText("若要重新抽奖可再次载入抽奖者信息，开始新一轮的抽奖");
l5.setSize(360,20);
l5.setLocation(30,135);
l5.setFont(new Font("Monosapced",0,12));
framemanual.add(l5);
l5.setText("若要察看获奖结果可打开获奖结果文件进行察看");
buttmanual.setActionCommand("");
buttmanual.setSize(60,27);
buttmanual.setLocation(310,210);
framemanual.add(buttmanual);
buttmanual.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(ActionEvent e){buttmanual_actionPerformed(e);}
});
}
}
public void buttmanual_actionPerformed(ActionEvent e) //添加manual消失按钮
{
if(e.getSource()==buttmanual)
framemanual.setVisible(false);
}
public void about_actionPerformed(ActionEvent e) //about
{
if(e.getSource()==about)
{
frameabout.setTitle("about"); //窗口的标题
frameabout.setSize(400,250); //窗口大小
frameabout.setLocation(20,110);
frameabout.setVisible(true); //显示窗口
Label l1=new Label();
Label l2=new Label();
Label l3=new Label();
l1.setForeground(new Color(150, 112, 165));
l2.setForeground(new Color(150, 112, 165));
l1.setSize(360,20);
l1.setLocation(110,70);
l1.setFont(new Font("Monosapced",0,12));
frameabout.add(l1);
l1.setText("Pudn.com");
l2.setSize(360,20);
l2.setLocation(110,130);
l2.setFont(new Font("Monosapced",0,12));
frameabout.add(l2);
l2.setText("oy127@eyou.com");
buttabout.setActionCommand("");
buttabout.setSize(60,27);
buttabout.setLocation(310,210);
frameabout.add(buttabout);
buttabout.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(ActionEvent e){buttabout_actionPerformed(e);}
});
}
}
public void buttabout_actionPerformed(ActionEvent e) //添加about消失按钮
{
if(e.getSource()==buttabout)
frameabout.setVisible(false);
}
public void keyStart_actionPerformed(ActionEvent e) //“开始”按钮
{
if(e.getSource()==keyStart)
{
stopFlag=1;
}
}
public void keyStop_actionPerformed(ActionEvent e) //“停止”按钮
{
if(e.getSource()==keyStop)
{
stopFlag=2;
}
}
public void keyExit_actionPerformed(ActionEvent e) //“退出”按钮
{
if(e.getSource()==keyExit)
{
System.exit(1);
}
}
public static void main(String args[])throws InterruptedException
{
Ernie f=new Ernie();
f.setSize(500,500);
f.setVisible(true);
Runnable r=new Ernie(1);
Thread g=new Thread(r,"start"); //创建一个线程
g.start(); //启动线程
}
public void run() //重写线程体方法
{
while(true)
{
if(stopFlag==1)
{
num=myrand.nextInt(l-t);
roll.setText(idcard[num]);
}
else if(stopFlag==2)
{
t++;
switch(t)
{
case 1:
result.setText("");
result.append("一等奖：\n"+" "+idcard[num]+" "+name[num]);
break;
case 2:
result.append("\n\n二等奖：\n"+" "+idcard[num]+" "+name[num]);
break;
case 3:
case 4:
result.append("\n "+idcard[num]+" "+name[num]);
break;
case 5:
result.append("\n\n三等奖：\n"+" "+idcard[num]+" "+name[num]);
break;
case 6:
case 7:
case 8:
case 9:
result.append("\n "+idcard[num]+" "+name[num]);
break;
default:
result.append("\n\n所有获奖人员均已抽取出\n");
t--;
break;
}
s=idcard[num];
idcard[num]=idcard[l-t];
idcard[l-t]=s;
s=name[num];
name[num]=name[l-t];
name[l-t]=s;
stopFlag=0;
}
}
}
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