将字符串写入文件的五种方法-蒲公英云

将字符串写入文件的五种方法

public void WriteStringToFile(String filePath) {
    try {
        File file = new File(filePath);
        PrintStream ps = new PrintStream(new FileOutputStream(file));
        ps.println("我是程序员");// 往文件里写入字符串
        ps.append("我是程序猿");// 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("我是程序猿");
        bw.write("我是");// 往已有的文件上添加字符串
        bw.write("程序猿\\n ");
        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.jb51.netl";
        fos.write(s.getBytes());
        fos.close();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}