scanlog.java

来自「用Java开发的学生信息管理系统」· Java 代码 · 共 67 行

package studentsystem;

import javax.swing.*;
import java.awt.*;
import java.io.*;
import java.awt.event.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @download by http://www.codefans.net
 * @author not attributable
 * @version 1.0
 */

public class scanLog extends JFrame {
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextPane xs = new JTextPane();
  String str;
  int b;
  byte buffer[]=new byte[2500];


  public scanLog() {
    try {
      jbInit();
    }

    catch(Exception e) {
      e.printStackTrace();
    }

                 try
                 {FileInputStream readfile=new FileInputStream("log.txt");
                         b=readfile.read(buffer,0,2500);
                         try
                         { str=new String(buffer,0,b,"default");
                               xs.setText(str);
                                 }
                                 catch(UnsupportedEncodingException e)
                                 {
                                         //System.out.println("the encoding was not found :"+e);
                                 }
                         }
                         catch(IOException e)
                         {System.out.println("File read Error");
                         }

  }

  private void jbInit() throws Exception {
    this.setResizable(false);
    this.setTitle("查看日志");
    this.getContentPane().setLayout(null);
    jScrollPane1.setBounds(new Rectangle(18, 32, 449, 333));
    this.getContentPane().add(jScrollPane1, null);
    this.setBounds(200,200,600,400);
    this.setVisible(true);
  }

public static void main(String[] args) {
    scanLog scanLog = new scanLog();


  }}