select id, name, code, cover_img, create_time, create_by from blog_theme
insert into blog_theme
name,code,cover_img,create_time,create_by,#{name},#{code},#{coverImg},#{createTime},#{createBy},
update blog_theme
name = #{name},code = #{code},cover_img = #{coverImg},create_time = #{createTime},create_by = #{createBy},
where id = #{id}
delete from blog_theme where id = #{id}
delete from blog_theme where id in
#{id}
update sys_config
set config_value=#{theme}
where config_key = 'blog.theme'