Java读取json文件,再生产新的json文件

        
            com.alibaba
            fastjson
            1.2.47
        

 //读取json文件
    public static String readJsonFile(String fileName) {
        String jsonStr = "";
        try {
            File jsonFile = new File(fileName);
            FileReader fileReader = new FileReader(jsonFile);
            Reader reader = new InputStreamReader(new FileInputStream(jsonFile),"utf-8");
            int ch = 0;
            StringBuffer sb = new StringBuffer();
            while ((ch = reader.read()) != -1) {
                sb.append((char) ch);
            }
            fileReader.close();
            reader.close();
            jsonStr = sb.toString();
            return jsonStr;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

public static void main(String[] args) {
        String s =  readJsonFile("I:\img\init.json");
        JSonObject jobj = JSON.parseObject(s);
        System.out.println(jobj);
        String s1 = JSONObject.toJSONString(jobj);
        JSonObject que = jobj.getJSONObject("QUE");//构建JSONArray数组
        System.out.println(que);
        try {
        //生成新的json文件
            BufferedWriter bw = new BufferedWriter(new FileWriter(
                    "I:\img\init1.json"));// 输出新的json文件

            bw.write(s1);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
	}