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AnDroiD txt文件读写

如何将文件打包为资源并在程序中读取 1.新建原文件资源文件夹: 在工程 res--->New-->Folder 新建raw文件夹; 点 res-->B...

方法: 通过输入流的readline方法进行按行读取内容。 举例: public static void readFileOnLine(String filePath){//输入文件路径 FileInputStream fis = openFileInput(filePath);//打开文件输入流 StringBuffer sBuffer = new StringBuffer()...

// 根目录权限不允许,放到/data/packeg_dir下或SD卡中package com.example.demo; File dir = Environment.getDataDirectory(); //获取data目录 //Environment.getExternalStorageDirectory(); // 获取SD卡目录 File outFile=new File(dir,"/dat...

//添加文件写入和创建的权限 String aaa = Environment.getExternalStorageDirectory() + File.separator + "aaa.txt"; File file = new File(aaa); try { if (!file.exists()) { file.createNewFile(); } FileWriter pw = new FileWriter(file,...

可以通过BufferedReader 流的形式进行流读取,之后通过readLine方法获取到读取的内容。 BufferedReader bre = null; try { String file = "D:/test/test.txt"; bre = new BufferedReader(new FileReader(file));//此时获取到的bre就是整个文件的...

分以下几个步骤: 首先对manifest注册SD卡读写权限 AndroidManifest.xml

File file=new File("/mnt/sdcard/aa.txt"); FileReader fr=new FileReader(file); BufferedReader br=new BufferedReader(fr); String temp=null; String s=""; while((temp=br.readLine())!=null){ s+=temp+"\n"; } String [] ss=s.split("\n"...

StringBuffer buffer = new StringBuffer(); try { FileInputStream fis = new FileInputStream("/sdcard/XXX.txt"); InputStreamReader isr = new InputStreamReader(fis,"GB2312");//文件编码Unicode,UTF-8,ASCII,GB2312,Big5 Reader in = new...

Android 读取txt文件规定的行数: String encoding="GBK"; try { File file=new File(filepath); if(file.isFile() && file.exists()){ //判断文件是否存在 InputStreamReader read = new InputStreamReader( new FileInputStream(file),encodin...

public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); String fileName = "/sdcard/y.txt";//文件路径 // 也可以用String fileName = "mnt/sdcard/Y.txt"; String res = "";...

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