随机滚动名字和试题 单击暂停----给媳妇儿写的爱心小应用

package basicCompoment;  
import javax.swing.*;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.Timer;

import java.io.*;
public class Aha{
    static Boolean flag=true;
    static Boolean flag2=true;
    String filename;
    String filename2;
    int num=0;
    int num2=0;
    String[] datalist=new String[100];
    String[] datalist2=new String[100];
    public static void main(String[] args) {
        Aha h=new Aha();
        h.setUIFont();
        h.go();
    }
    public void setup(){
        
    }
    public void go(){
        JFrame frame=new JFrame("QQ673484761定制");
        Container a=frame.getContentPane();
        JPanel pane=new JPanel();
        a.add(pane);
        pane.setLayout(null);
        //获取文件路径
        
        JButton open=new JButton("导入txt名单");  
        open.setBounds(new Rectangle(10, 5, 280, 30));//参数分别是坐标x，y，宽，高
        pane.add(open);
        
        JButton open2=new JButton("导入txt试题");  
        open2.setBounds(new Rectangle(305, 5, 280, 30));
        pane.add(open2);
        
        open.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                JFileChooser jfc=new JFileChooser();  
                jfc.setFileSelectionMode(JFileChooser.FILES_ONLY  );  
                jfc.showDialog(new JLabel(), "选择");  
                File file=jfc.getSelectedFile();  
                System.out.println("文件:"+file.getAbsolutePath());  
                System.out.println(jfc.getSelectedFile().getName()); 
                filename=file.getAbsolutePath();
              //读取文件
                if(filename != null){
                    File file1 = new File(filename);
                    StringBuffer contents = new StringBuffer();//StringBuffer类 字符串变量
                    BufferedReader reader = null;//BufferedReader字符流  BufferedInputStream字节流  
                    
                    try {
                        reader = new BufferedReader(new FileReader(file1));
                        String text = null;
                        
                        //repeat until all lines is read
                        while ((text = reader.readLine()) != null) {
                            contents.append(text);
                            contents.append(System.getProperty("line.separator"));//读完一行增加一个换行符
                            num++;
                        }
                    } catch (FileNotFoundException e1) {
                        e1.printStackTrace();
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    } finally {
                        try {
                            if (reader != null) {
                                reader.close();
                            }
                        }catch (IOException e1) {
                            e1.printStackTrace();
                        }
                    }
                    //show file contents here
                    System.out.println("文件内容为：");
                    System.out.println(contents.toString());
                    String temp=contents.toString();
                    datalist=temp.split("
");
                }
            }
        });
        open2.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                JFileChooser jfc=new JFileChooser();  
                jfc.setFileSelectionMode(JFileChooser.FILES_ONLY  );  
                jfc.showDialog(new JLabel(), "选择");  
                File file=jfc.getSelectedFile();  
                System.out.println("文件:"+file.getAbsolutePath());  
                System.out.println(jfc.getSelectedFile().getName()); 
                filename2=file.getAbsolutePath();
              //读取文件
                if(filename2 != null){
                    File file1 = new File(filename2);
                    StringBuffer contents = new StringBuffer();//StringBuffer类 字符串变量
                    BufferedReader reader = null;//BufferedReader字符流  BufferedInputStream字节流  
                    
                    try {
                        reader = new BufferedReader(new FileReader(file1));
                        String text = null;
                        
                        //repeat until all lines is read
                        while ((text = reader.readLine()) != null) {
                            contents.append(text);
                            contents.append(System.getProperty("line.separator"));//读完一行增加一个换行符
                            num2++;
                        }
                    } catch (FileNotFoundException e1) {
                        e1.printStackTrace();
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    } finally {
                        try {
                            if (reader != null) {
                                reader.close();
                            }
                        }catch (IOException e1) {
                            e1.printStackTrace();
                        }
                    }
                    //show file contents here
                    System.out.println("文件内容为：");
                    System.out.println(contents.toString());
                    String temp=contents.toString();
                    datalist2=temp.split("
");
                }
            }
        });

        //添加主体
        final JButton button=new JButton("请先选择文本文件");
        button.setBounds(new Rectangle(10, 40, 280, 210));
        pane.add(button);
       
        ActionListener listener=new ActionListener(){
            public void actionPerformed(ActionEvent arg){
                button.setText(datalist[(int)(Math.random()*num)]);
            }
        };
        final Timer timer = new Timer(200,listener);// 实例化Timer类
        
        button.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                if(flag){
                    timer.start();
                    flag=false;
                }else{
                    timer.stop();
                    flag=true;
                }
            }
        });
        //添加主体2
              final JButton buttont1=new JButton("请先选择文本文件");
              buttont1.setBounds(new Rectangle(305, 40, 280, 210));
            pane.add(buttont1);
              ActionListener listener1=new ActionListener(){
                  public void actionPerformed(ActionEvent arg){
                      buttont1.setText(datalist2[(int)(Math.random()*num2)]);
                  }
              };
              final Timer timer1 = new Timer(200,listener1);// 实例化Timer类
              
              buttont1.addActionListener(new ActionListener(){
                  public void actionPerformed(ActionEvent e){
                      if(flag2){
                          timer1.start();
                          flag2=false;
                      }else{
                          timer1.stop();
                          flag2=true;
                      }
                  }
              });
        frame.addWindowListener(new WindowAdapter(){
            public void windowClosing(WindowEvent e){
                System.exit(0);
            }
        });
        pane.setBounds(0, 0, 600, 300);  
        pane.setVisible(true);  
        frame.setVisible(true);
        frame.setSize(600, 300);
    } 
    public void setUIFont()
    {
        Font f = new Font("宋体",Font.PLAIN,20);
        String   names[]={ "Label", "Button",  "TextArea"}; 
        for (String item : names) {
             UIManager.put(item+ ".font",f); 
        }
    }
}