log.java

来自「这是用elipes平台开发的java编程实例,数据库用access .若想用el」· Java 代码 · 共 27 行

package lib;
import java.util.Date;
import java.io.*;

public class Log{
    public Log(String s){
	try{
		    String temp ;
		    StringBuffer sb = new StringBuffer();
		    FileReader fr = new FileReader("database/log.txt");
		    BufferedReader bf =new BufferedReader(fr);
		    while((temp=bf.readLine())!=null){sb.append(temp);sb.append("\n");}
		    bf.close();
		    fr.close();
		    FileWriter fw = new FileWriter("database/log.txt");
		    sb.append(s);
			fw.write(sb.toString());
			fw.flush();
			fw.close();
		}
		catch (FileNotFoundException e){
		    System.out.println("File not Found!");
		}
		catch(IOException e){}
    }
}