textarea中文显示有关问题

textarea中文显示问题

Java code

FileReader fr = new FileReader(f);                //System.out.print(fr.getEncoding());                BufferedReader br = new BufferedReader(fr);                String str = br.readLine();                while(str!= null) {                    ta.append(str);                    ta.append("\n");                    str = br.readLine();                }                ta.append("中");                fr.close();                br.close();

Java code

            FileInputStream fr = new FileInputStream(f);            InputStreamReader br = new InputStreamReader(fr, "GB2312");