insert into t_wather_warn
(city,create_time,content,type,level,is_accecpt,state,is_xf)value (
#{city},#{time},#{content},#{type},#{level},'0','1','0'
)
update t_wather_warn set state='1' where city=#{city} and create_time=#{time}
update t_wather_warn set state='0' where city=#{city}