获取子类传过来的泛型类型

最新推荐文章于 2025-01-17 22:49:44 发布

最新推荐文章于 2025-01-17 22:49:44 发布 · 238 阅读

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FostDAOImpl<T> extends DAO<T>{
    public void get(){
        //获取子类传过来的泛型类型
        Type genType = this.getClass().getGenericSuperclass();
        Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
            for (Type type : params) {
                    System.out.println(type);
            }
    }

}

OrderDAOImpl extends FostDAOImpl<Order>{

    public static void main(String[] args){
        OrderDAOImpl dao =new OrderDAOImpl();
    }
}