/**
	 * 按指定编码格式读取文件内容
	 * @author  		    huzi
	 * @date    		    2018年7月25日	
	 * @param path		  需读取文件的路径
	 * @param encoding	要转成的编码格式
	 * @return
	 * @throws IOException
	 */
	public static String read(InputStream inputStream, String encoding) throws IOException {
		String content = "";
	    BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, encoding));
		String line = null;
		while ((line = reader.readLine()) != null) {
			content += line + "\n";
		}
		reader.close();
		return content;
	}