Android创建文件夹及文件并写入数据

[java] view
plain copy

print?

package elwin.fei.mobileaudio;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.text.SimpleDateFormat;

public class CreateFiles {

String filenameTemp = Info.audioPath + "/hhaudio" + ".txt";

//创建文件夹及文件

public void CreateText() throws IOException {

File file = new File(Info.audioPath);

if (!file.exists()) {

try {

//按照指定的路径创建文件夹

file.mkdirs();

} catch (Exception e) {

// TODO: handle exception

}

}

File dir = new File(filenameTemp);

if (!dir.exists()) {

try {

//在指定的文件夹中创建文件

dir.createNewFile();

} catch (Exception e) {

}

}

}

//向已创建的文件中写入数据

public void print(String str) {

FileWriter fw = null;

BufferedWriter bw = null;

String datetime = "";

try {

SimpleDateFormat tempDate = new SimpleDateFormat("yyyy-MM-dd" + " "

+ "hh:mm:ss");

datetime = tempDate.format(new java.util.Date()).toString();

fw = new FileWriter(filenameTemp, true);//

// 创建FileWriter对象，用来写入字符流

bw = new BufferedWriter(fw); // 将缓冲对文件的输出

String myreadline = datetime + "[]" + str;

bw.write(myreadline + "\n"); // 写入文件

bw.newLine();

bw.flush(); // 刷新该流的缓冲

bw.close();

fw.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

try {

bw.close();

fw.close();

} catch (IOException e1) {

// TODO Auto-generated catch block

}

}

}

}