由输入流读取文件内容
1:获取流
//--由输入流中读取文件内容 static public String readeFromInputStream(InputStream in){ StringBuffer str = new StringBuffer(); try { InputStreamReader is = new InputStreamReader(in); BufferedReader br = new BufferedReader(is); String fieldline = br.readLine();while (fieldline != null){str.append(fieldline+"\n");fieldline = br.readLine();}br.close(); is.close(); //关闭输入流 in.close();}catch (IOException e) {System.out.println("读取输入流失败!");} return str.toString(); }