读取文件，考虑编码问题

private String gethtml(String path) throws Exception{    File file = new File(path);    String result="";    InputStreamReader read = new InputStreamReader(            new FileInputStream(file),"utf-8");//考虑到编码格式            BufferedReader bufferedReader = new BufferedReader(read);            String lineTxt = null;            while((lineTxt = bufferedReader.readLine()) != null){                result=result+lineTxt;                System.out.println("=========lineTxt======="+lineTxt);            }            read.close();    return result;}