本文主要是介绍Android TXT文件读写，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
来自：http://blog.csdn.net/wirelessqa/article/details/7807762
package com.wirelessqa.helper;import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;import org.apache.http.util.EncodingUtils;import android.app.Activity;public class FileAccess extends Activity {/*** 一、私有文件夹下的文件存取（/data/data/包名/files）* * @param fileName* @param message*/public void writeFileData(String fileName, String message) {try {FileOutputStream fout = openFileOutput(fileName, MODE_PRIVATE);byte[] bytes = message.getBytes();fout.write(bytes);fout.close();} catch (Exception e) {e.printStackTrace();}}/*** //读文件在./data/data/包名/files/下面* * @param fileName* @return*/public String readFileData(String fileName) {String res = "";try {FileInputStream fin = openFileInput(fileName);int length = fin.available();byte[] buffer = new byte[length];fin.read(buffer);res = EncodingUtils.getString(buffer, "UTF-8");fin.close();} catch (Exception e) {e.printStackTrace();}return res;}/*** 写， 读sdcard目录上的文件，要用FileOutputStream， 不能用openFileOutput* 不同点：openFileOutput是在raw里编译过的，FileOutputStream是任何文件都可以* @param fileName* @param message*/// 写在/mnt/sdcard/目录下面的文件public void writeFileSdcard(String fileName, String message) {try {// FileOutputStream fout = openFileOutput(fileName, MODE_PRIVATE);FileOutputStream fout = new FileOutputStream(fileName);byte[] bytes = message.getBytes();fout.write(bytes);fout.close();}catch (Exception e) {e.printStackTrace();}}// 读在/mnt/sdcard/目录下面的文件public String readFileSdcard(String fileName) {String res = "";try {FileInputStream fin = new FileInputStream(fileName);int length = fin.available();byte[] buffer = new byte[length];fin.read(buffer);res = EncodingUtils.getString(buffer, "UTF-8");fin.close();}catch (Exception e) {e.printStackTrace();}return res;}/*** 二、从resource中的raw文件夹中获取文件并读取数据（资源文件只能读不能写）* * @param fileInRaw* @return*/public String readFromRaw(int fileInRaw) {String res = "";try {InputStream in = getResources().openRawResource(fileInRaw);int length = in.available();byte[] buffer = new byte[length];in.read(buffer);res = EncodingUtils.getString(buffer, "GBK");// res = new String(buffer,"GBK");in.close();} catch (Exception e) {e.printStackTrace();}return res;}/*** 三、从asset中获取文件并读取数据（资源文件只能读不能写）* * @param fileName* @return*/public String readFromAsset(String fileName) {String res = "";try {InputStream in = getResources().getAssets().open(fileName);int length = in.available();byte[] buffer = new byte[length];in.read(buffer);res = EncodingUtils.getString(buffer, "UTF-8");} catch (Exception e) {e.printStackTrace();}return res;}}
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