n004sale.java

来自「我的JAVA, 不知道好不好,希望你可以改」· Java 代码 · 共 39 行

import javax.swing.*;
import java.awt.*;
import java.io.*;
class N004Sale extends JFrame
{
  N004Sale(String s)
  {
    super(s);
    try{
        FileReader readFile=new FileReader("Sales004.txt");

        setBounds(100,100,300,300);
        setVisible(true);
        JTextArea bCenter=new JTextArea();
        bCenter.append("004"+"  "+Number004.thisorder()+"   "+Number004.thisPrice()+"\n");
        try{
            FileReader inOne=new FileReader("Sales004.txt");
            BufferedReader inTwo=new BufferedReader(inOne);
            String a=null;
            while((a=inTwo.readLine())!=null)
            {
              bCenter.append(a+"\n");
            }
            inOne.close();
            inTwo.close();
           }
        catch(IOException e)
           {
           }
        Container con=getContentPane();
        con.add(bCenter,BorderLayout.CENTER);
        con.validate();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       }
    catch(java.io.FileNotFoundException e)
       {
       }
  }
}