java读取文件最好用流，避免乱码
//放在resin下，会引起乱码（resin容器和文件本身都是utf-8编码的）
BufferedReader br = new BufferedReader(new FileReader(new File(filepath)));

//用流读取，这样可以避免乱码
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(filepath)), "UTF-8"));