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  • 读取JSON文件封装进对象

    读取JSON文件,封装成对象

    Gson、流

    gson.fromJson

    1. 引入依赖
    <dependency>
        <groupId>com.google.code.gson</groupId>
        <artifactId>gson</artifactId>
    </dependency>
    

    ​ 2、

     public static Map<String,Object> readJsonFile(String fileName){
            Gson gson = new Gson();
            String json = "";
            File file = new File(fileName);
            try {
                Reader reader = new InputStreamReader(new FileInputStream(file),"utf-8");
                int ch = 0;
                StringBuffer buffer = new StringBuffer();
                while ((ch = reader.read())!= -1){
                    buffer.append((char) ch);
                }
                reader.close();
                json = buffer.toString();
                return gson.fromJson(json,Map.class);
            } catch (IOException e) {
                e.printStackTrace();
                return null;
            }
        }
    

    测试

        public static void main(String[] args) {  
           System.out.println(readJsonFile("D:\workspace\ZhuStudy\Demo01\src\main\resources\abc.json"));
        }
    }
    
    镜花水月
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  • 原文地址:https://www.cnblogs.com/fengbingshui/p/14535065.html
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