Android字节流转换成字符串

 1 public static String parserInputStream(InputStream is) throws IOException{
 2                 // 把输入流转换成 字符串 
 3                 InputStreamReader isr=new InputStreamReader(is);
 4                 BufferedReader br=new BufferedReader(isr);
 5                 
 6                 // 内存流 写入读取的数据 
 7                 StringWriter sw=new StringWriter();
 8                 
 9                 String str=null;
10                 while((str=br.readLine())!=null){
11                         sw.write(str);
12                 }
13                 
14                 br.close();
15                 sw.close();
16                 return sw.toString();
17         }