将字符串写入到txt文件中import java.io.BufferedWriter;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.IOException;

import java.io.PrintStream;

import java.io.PrintWriter;

import java.io.RandomAccessFile;

public class WriteStringToTxt {

public void WriteStringToFile(String filePath) {

try {

File file = new File(filePath);

PrintStream ps = new PrintStream(new FileOutputStream(file));

ps.println("http://www.docin.com/p-315288370.html");// 往文件里写入字符串

ps.append("http://www.docin.com/p-315288370.html");// 在已有的基础上添加字符串

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void WriteStringToFile2(String filePath) {

try {

FileWriter fw = new FileWriter(filePath, true);

BufferedWriter bw = new BufferedWriter(fw);

bw.append("在已有的基础上添加字符串");

bw.write("abc\r\n ");// 往已有的文件上添加字符串

bw.write("def\r\n ");

bw.write("hijk ");

bw.close();

fw.close();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void WriteStringToFile3(String filePath) {

try {

PrintWriter pw = new PrintWriter(new FileWriter(filePath));

pw.println("abc ");

pw.println("def ");

pw.println("hef ");

pw.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void WriteStringToFile4(String filePath) {

try {

RandomAccessFile rf = new RandomAccessFile(filePath, "rw");

rf.writeBytes("op\r\n");

rf.writeBytes("app\r\n");

rf.writeBytes("hijklllll");

rf.close();

} catch (IOException e) {

e.printStackTrace();

}

}

public void WriteStringToFile5(String filePath) {

try {

FileOutputStream fos = new FileOutputStream(filePath);

String s = "http://www.docin.com/p-315288370.html";

fos.write(s.getBytes());

fos.close();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void main(String[] args) {

String filePath = "E:\\link.txt";

// new WriteStringToTxt().WriteStringToFile(filePath);

// new WriteStringToTxt().WriteStringToFile2(filePath);

// new WriteStringToTxt().WriteStringToFile3(filePath);

// new WriteStringToTxt().WriteStringToFile4(filePath);

new WriteStringToTxt().WriteStringToFile5(filePath);

}

}

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2012-07-05 20:37

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