Json转换Java对象和JavaList集合

 public static void main(String[] args) {

   

    // 转换对象

    String strJson ="{\"basemenu_id\":\"1\",\"basemenu_name\":\"aaaaaa\",\"basemenu_order\":\"2\"}";

    aaaa jb = (aaaa)json2Object(strJson,aaaa.class);

    System.out.print("json转对象"+jb.getBasemenu_id()+","+jb.getBasemenu_name()+","+jb.getBasemenu_order()+"\n");  

   

    //转list

    String json="[{\"basemenu_id\":\"1\",\"basemenu_name\":\"aaaaaa\",\"basemenu_order\":\"2\"},"

    + "{\"basemenu_id\":\"2\",\"basemenu_name\":\"cccccc\",\"basemenu_order\":\"3\"},"

    + "{\"basemenu_id\":\"3\",\"basemenu_name\":\"dddddd\",\"basemenu_order\":\"4\"},"

    + "{\"basemenu_id\":\"4\",\"basemenu_name\":\"bbbbbb\",\"basemenu_order\":\"5\"},"

    + "{\"basemenu_id\":\"5\",\"basemenu_name\":\"eeeeee\",\"basemenu_order\":\"6\"},"

    + "{\"basemenu_id\":\"6\",\"basemenu_name\":\"rrrrrr\",\"basemenu_order\":\"7\"},"

    + "{\"basemenu_id\":\"7\",\"basemenu_name\":\"tttttt\",\"basemenu_order\":\"8\"},"

    + "{\"basemenu_id\":\"8\",\"basemenu_name\":\"uuuuuu\",\"basemenu_order\":\"9\"},"

    + "{\"basemenu_id\":\"9\",\"basemenu_name\":\"oooooo\",\"basemenu_order\":\"10\"},"

    + "{\"basemenu_id\":\"10\",\"basemenu_name\":\"llllll\",\"basemenu_order\":\"11\"}]";

   

@SuppressWarnings("rawtypes")
List list = (List)json2ObjectList(json, aaaa.class); 

        @SuppressWarnings("rawtypes")
Iterator it = list.iterator(); 

        System.out.print("集合循环\n");

        while(it.hasNext()){  

        aaaa p = (aaaa)it.next(); 

       

        System.out.print(p.getBasemenu_id()+","+p.getBasemenu_name()+","+p.getBasemenu_order()+"\n"); 

        }    
} 

   

    //单个对象

    public static Object json2Object(String strJson, @SuppressWarnings("rawtypes") Class beanClass) {      

        return JSONObject.toBean(JSONObject.fromObject(strJson), beanClass);   

    } 

    

    //返回 list 对象数组  字符串JSON要添加[] 

    public static Object json2ObjectList(String strJson, @SuppressWarnings("rawtypes")Class beanClass) {      

        return JSONArray.toCollection(JSONArray.fromObject(strJson), beanClass);   

    }