Java文件读写操作指定编码方式。。。。。

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读：

File file=new File(this.filePath);
BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(file),"utf-8"));

String line=null;
       while((line=br.readLine())!=null){
           if(!line.trim().equals("")){
               if(checkDuplicateRow(line.trim()))
               tempList.add(line.trim());
           }
       }

写：

File filename = new File("xxx");
               filename.createNewFile();
               FileWriter fw = new FileWriter(filename);

               PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filename),"GBk")));
               out.write(hexToString(search_result));
               out.flush();
               out.close();