java多线程结合界面开发实例（原创）财务管理系统

以前常常听说JAVA有多线程

可自己编写到的却很少，这学期编写了很多java程序，终于可以感觉下了，在这个程序中，我开了一个独立的线程去处理财务的计算，这样可以使界面类不会因为计算量大而出现卡的现象。我用的是thread子类来用线程的，计算的工作在run方法里面跑就可以了！界面里面只是调用那个run，这样两者就进水不犯河水啦。就这么简单。当然里面也涉及到文件的输入输出，具有保存功能的！下面给出源代码和截图：

 

import javax.swing.SwingUtilities;
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.GridBagLayout;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;

import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JButton;

 

 

 

 

public class moneyMan extends JFrame {

private static final long serialVersionUID = 1L;

private JPanel jContentPane = null;

private JPanel jPanel = null;

private JLabel jLabel = null;

private JLabel jLabel1 = null;

JTextField time = null;

private JLabel jLabel2 = null;

JTextField total = null;

private JLabel jLabel3 = null;

JTextField out = null;

private JLabel jLabel4 = null;

JTextField a = null;

private JLabel jLabel5 = null;

JTextField b = null;

private JLabel jLabel6 = null;

JTextField c = null;

private JLabel jLabel7 = null;

JTextField d = null;

JScrollPane showScroll = null;

private JLabel jLabel8 = null;

JTextArea jTextArea = null;

private JButton sure = null;

private JButton clear = null;

private JButton save = null;

/**
* This method initializes jPanel
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel() {
   if (jPanel == null) {
    jLabel8 = new JLabel();
    jLabel8.setBounds(new Rectangle(224, 77, 285, 27));
    jLabel8.setText("财务状况显示区：");
    jLabel7 = new JLabel();
    jLabel7.setBounds(new Rectangle(34, 277, 115, 30));
    jLabel7.setText("20号后支出：");
    jLabel6 = new JLabel();
    jLabel6.setBounds(new Rectangle(35, 246, 114, 26));
    jLabel6.setText("13号~19号支出：");
    jLabel5 = new JLabel();
    jLabel5.setBounds(new Rectangle(35, 212, 106, 29));
    jLabel5.setText("7号~12号支出：");
    jLabel4 = new JLabel();
    jLabel4.setBounds(new Rectangle(37, 180, 105, 28));
    jLabel4.setText("1号~6号支出：");
    jLabel3 = new JLabel();
    jLabel3.setBounds(new Rectangle(37, 148, 68, 27));
    jLabel3.setText("总支出：");
    jLabel2 = new JLabel();
    jLabel2.setBounds(new Rectangle(36, 119, 69, 27));
    jLabel2.setText("总收入：");
    jLabel1 = new JLabel();
    jLabel1.setBounds(new Rectangle(35, 87, 70, 28));
    jLabel1.setText("财务时间：");
    jLabel = new JLabel();
    jLabel.setBounds(new Rectangle(196, 2, 168, 69));
    jLabel.setText("        财务管理系统");
    jPanel = new JPanel();
    jPanel.setLayout(null);
    jPanel.setBounds(new Rectangle(4, 5, 588, 387));
    jPanel.add(jLabel, null);
    jPanel.add(jLabel1, null);
    jPanel.add(getTime(), null);
    jPanel.add(jLabel2, null);
    jPanel.add(getTotal(), null);
    jPanel.add(jLabel3, null);
    jPanel.add(getOut(), null);
    jPanel.add(jLabel4, null);
    jPanel.add(getA(), null);
    jPanel.add(jLabel5, null);
    jPanel.add(getB(), null);
    jPanel.add(jLabel6, null);
    jPanel.add(getC(), null);
    jPanel.add(jLabel7, null);
    jPanel.add(getD(), null);
    jPanel.add(getShowScroll(), null);
    jPanel.add(jLabel8, null);
    jPanel.add(getSure(), null);
    jPanel.add(getClear(), null);
    jPanel.add(getSave(), null);
   }
   return jPanel;
}

/**
* This method initializes time
*
* @return javax.swing.JTextField
*/
private JTextField getTime() {
   if (time == null) {
    time = new JTextField();
    time.setBounds(new Rectangle(107, 89, 103, 27));
   }
   return time;
}

/**
* This method initializes total
*
* @return javax.swing.JTextField
*/
private JTextField getTotal() {
   if (total == null) {
    total = new JTextField();
    total.setBounds(new Rectangle(109, 118, 100, 27));
   }
   return total;
}

/**
* This method initializes out
*
* @return javax.swing.JTextField
*/
private JTextField getOut() {
   if (out == null) {
    out = new JTextField();
    out.setBounds(new Rectangle(106, 148, 103, 26));
   }
   return out;
}

/**
* This method initializes a
*
* @return javax.swing.JTextField
*/
private JTextField getA() {
   if (a == null) {
    a = new JTextField();
    a.setBounds(new Rectangle(143, 181, 70, 26));
   }
   return a;
}

/**
* This method initializes b
*
* @return javax.swing.JTextField
*/
private JTextField getB() {
   if (b == null) {
    b = new JTextField();
    b.setBounds(new Rectangle(145, 213, 67, 26));
   }
   return b;
}

/**
* This method initializes c
*
* @return javax.swing.JTextField
*/
private JTextField getC() {
   if (c == null) {
    c = new JTextField();
    c.setBounds(new Rectangle(155, 247, 58, 25));
   }
   return c;
}

/**
* This method initializes d
*
* @return javax.swing.JTextField
*/
private JTextField getD() {
   if (d == null) {
    d = new JTextField();
    d.setBounds(new Rectangle(155, 278, 58, 26));
   }
   return d;
}

/**
* This method initializes showScroll
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getShowScroll() {
   if (showScroll == null) {
    showScroll = new JScrollPane();
    showScroll.setBounds(new Rectangle(224, 107, 356, 198));
    showScroll.setViewportView(getJTextArea());
   }
   return showScroll;
}

/**
* This method initializes jTextArea
*
* @return javax.swing.JTextArea
*/
private JTextArea getJTextArea() {
   if (jTextArea == null) {
    jTextArea = new JTextArea();
   }
   return jTextArea;
}

/**
* This method initializes sure
*
* @return javax.swing.JButton
*/
private JButton getSure() {
   if (sure == null) {
    sure = new JButton();
    sure.setBounds(new Rectangle(36, 325, 99, 43));
    sure.setText("确定计算");
    sure.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent e) {
     
     }
    });
    sure.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent e)
     {

 

      TestThread testThread = new TestThread();//新生成一个处理事务线程
      testThread.start();//启动事务线程
            
    
     }
    });
   }
   return sure;
}

/**
* This method initializes clear
*
* @return javax.swing.JButton
*/
private JButton getClear() {
   if (clear == null) {
    clear = new JButton();
    clear.setBounds(new Rectangle(160, 327, 94, 40));
    clear.setText("清空");
    clear.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent e) {
      System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed()
     }
    });
   }
   return clear;
}

/**
* This method initializes save
*
* @return javax.swing.JButton
*/
private JButton getSave() {
   if (save == null) {
    save = new JButton();
    save.setBounds(new Rectangle(291, 324, 89, 41));
    save.setText("历史财务");
    save.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent e) {
      jTextArea.setText("");
      String record = null;      
      try {
      FileReader fr = new FileReader("money.txt");
      BufferedReader br = new BufferedReader(fr);
      record = new String();
      while ((record = br.readLine()) != null) {
       String value = record+'\n';
       jTextArea.insert(value,jTextArea.getDocument().getLength());
      
      }
      br.close();
      fr.close();
      } catch (IOException ee) {
      System.out.println( "Read file error! ");
      ee.printStackTrace();
      }
     
     
     }
    });
   }
   return save;
}

/**
* @param args
*/
public static void main(String[] args) {
  
  
  
  
   SwingUtilities.invokeLater(new Runnable() {
    public void run() {
     moneyMan thisClass = new moneyMan();
     thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     thisClass.setVisible(true);
    }
   });
}

/**
* This is the default constructor
*/
public moneyMan() {
   super();
   initialize();
}

/**
* This method initializes this
*
* @return void
*/
private void initialize() {
   this.setSize(591, 425);
   this.setContentPane(getJContentPane());
   this.setTitle("JFrame");
}

/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
   if (jContentPane == null) {
    jContentPane = new JPanel();
    jContentPane.setLayout(null);
    jContentPane.add(getJPanel(), null);
   }
   return jContentPane;
}

class TestThread extends Thread
{

   public void run()
   {

   
    System.out.println("线程工作了");

    String shijian = time.getText();
   
   
    String zong = total.getText();
    int z = Integer.parseInt(zong);

    String zhi = out.getText();

    int o = Integer.parseInt(zhi);

    int z_o = o / z;
    String zo = Integer.toString(z_o); //收支比例
   

    String A = a.getText();
    int aa = Integer.parseInt(A);
    int A_a = aa / z;
    String Aa = Integer.toString(A_a);//第一星期收支比例

    String B = b.getText();
    int bb = Integer.parseInt(B);
    int B_b = bb / z;
    String Bb = Integer.toString(B_b);//第二星期收支比例

    String C = c.getText();
    int cc = Integer.parseInt(C);
    int C_c = cc / z;
    String Cc = Integer.toString(C_c);//第三星期收支比例

    String D = d.getText();
    int dd = Integer.parseInt(D);
    int D_d = dd / z;
    String Dc = Integer.toString(D_d);//第四星期收支比例

    String value = "总收入:" + zong + '\n' + "总支出:" + zhi + '\n' + "总收支比例:" + zo + "%" + '\n' + "第一星期收支比例:" + Aa + "%" + '\n' + "第二星期收支比例:" + Bb + "%" + '\n' + "第三星期收支比例:" + Cc + "%" + '\n' + "第四星期收支比例:" + Dc + '\n' + "财务结算时间：" + shijian + '\n';

    jTextArea.insert(value,jTextArea.getDocument().getLength());

    File f = new File("money.txt");
    try
    {
     FileWriter out = new FileWriter(f);
     out.write(value);
     out.close();
    }
    catch (Exception a)
    {
     System.out.println(a);
    }
   }

}

}