Java代码
- 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);
- }
- }
[转]java将字符串写入文件中,布布扣,bubuko.com
时间: 2024-10-08 10:44:06