String dir = "C:\A.TXT";
File file = new File(dir);
writer = new PrintWriter(new FileWriter(file,true));
writer.println();
java.util.Date date = new java.util.Date();
writer.write("小成 1800 123456");
writer.flush();
writer.close();
File file = new File(dir);
writer = new PrintWriter(new FileWriter(file,true));
writer.println();
java.util.Date date = new java.util.Date();
writer.write("小成 1800 123456");
writer.flush();
writer.close();
至于放在哪里就随便你啦
放在jsp中也一样
import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.Date; public class WriteLog{
public static void main(String args[])
{
File file;
PrintWriter writer;
try {
file = new File("");
String dir = file.getAbsolutePath() + "\\log.doc";
file = new File(dir);
writer = new PrintWriter(new FileWriter(file,true));
writer.println();
java.util.Date date = new java.util.Date();
writer.write(date.toString());
writer.write("写logfile success!");
writer.flush();
writer.close();
}catch (Exception e) {
e.printStackTrace();
}
}
}