private FileReader m_Fr;
  private BufferedReader m_Readbuf;
	
	public int ReadStreamFile(String filepath)
       {
		//String str = Environment.getExternalStorageDirectory() + "/" + "test.apk";
		//str == "mnt/sdcard/test.apk";
    	     File file = new File(filepath);
		if(!file.exists())
		{
			Log.d("文件不存在", " %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%");
			return -1;
		}
		try
		{
			m_Fr = new FileReader(filepath); 
			m_Readbuf = new BufferedReader(m_Fr); 
			String str = null;
			while((str=m_Readbuf.readLine()) != null)     
			{         
				Log.i("一行字符串输出",str + "&&&&&&&&&&&&&&&&&&&&&&&");
			}   
		}   
		catch (IOException ex) 
		{    
			ex.printStackTrace();   
			return -2;
		}
    	return 0;
    }

上面:

"Environment.getExternalStorageDirectory()" 是取到 SD卡的路径即:"/mnt/scard"  所以用的时候 在加上一个"/" 即变成 "/mnt/scard/" 然后后面就可以随便指定SD卡存放的东西了。

此读取文件功能是一行一行读取

posted on 2012-02-01 13:45  瓦楞球  阅读(2089)  评论(0编辑  收藏  举报