读文件

 File file = new File(“”, fileName);
        InputStreamReader read = null;
        BufferedReader reader = null;
        StringBuffer content = new StringBuffer("");
      
            read = new InputStreamReader(new FileInputStream(file), "GBK");
            reader = new BufferedReader(read);
            String line;
            while ((line = reader.readLine()) != null)
            {
                content.append(line);
            }


        }