$selectquery="select * from user where name like '%$name%' or age LIKE '%$name%' or phone LIKE '%$name%' or address LIKE '%$name%' or education LIKE '%$name%' order by id ";只有不为空的时候才放上相应的like子句如果只有name 就 name like 如果有name和phone 就 name like or phone like
$selectquery="select * from user where
name like '%$name%'
or age LIKE '%$name%'
or phone LIKE '%$name%'
or address LIKE '%$name%'
or education LIKE '%$name%'
order by id ";只有不为空的时候才放上相应的like子句如果只有name
就 name like
如果有name和phone
就 name like or phone like