utf-8 读入写入文件

用下面的代码效果最好，亲测！！！

            FileInputStream fis = new FileInputStream(srcFile);                 InputStreamReader isr = new InputStreamReader(fis, "UTF-8");                 BufferedReader br = new BufferedReader(isr);                 String line = null,FileContent="";                 while ((line = br.readLine()) != null) {                     FileContent += line;                     FileContent += "\r\n"; // 补上换行符                 }                FileOutputStream fos = new FileOutputStream(toFile);                     OutputStreamWriter osw = new OutputStreamWriter(fos, "UTF-8");                     osw.write(FileContent);                     osw.flush();