Mybatis @Insert 注解获取自增ID

添加@Optios注解 

keyProperty 将自增的ID返回该属性

    @Insert("INSERT INTO admin_method_category (title,sort,icon_type) VALUES(#{category.name},#{category.sort},#{category.type})")
    @Options(useGeneratedKeys=true, keyProperty="category.id")
    void addCategory(@Param("category") Category category);