我正在开发一个分类网站。为了搜索产品或公司,我在前后都使用了通配符 (%)。
$keyword = "%".$user_keyword."%";
我正在使用以下 mysql 查询:
$query = "SELECT DISTINCT login.id_user,
login.company,
login.district,
FROM login LEFT JOIN products
ON login.id_user = products.id_user
WHERE (login.district LIKE ?
AND login.place LIKE ?)
AND
(login.company LIKE ?
OR login.summary LIKE ?
OR products.description LIKE ?)
LIMIT ?, ?";
";
这是有效的。但我想引用关键字对列表进行排序。 例如:如果用户搜索“foo”,可能会得到以下结果:
fool
kafoo
safoora
foo
foolan
我想把“foo”作为第一项
最佳答案
请尝试以下操作:
$query = "SELECT DISTINCT login.id_user,
login.company,
login.district,
FROM login LEFT JOIN products
ON login.id_user = products.id_user
WHERE (login.district LIKE ?
AND login.place LIKE ?)
AND
(login.company LIKE ?
OR login.summary LIKE ?
OR products.description LIKE ?)
order by if(LOCATE('$user_keyword', login.district)=0, 9999, LOCATE('$user_keyword', login.district))+
if(LOCATE('$user_keyword', login.place)=0, 9999, LOCATE('$user_keyword', login.place))+
if(LOCATE('$user_keyword', login.company)=0, 9999, LOCATE('$user_keyword', login.company))+
if(LOCATE('$user_keyword', login.summary)=0, 9999, LOCATE('$user_keyword', login.summary))+
if(LOCATE('$user_keyword', products.description)=0, 9999, LOCATE('$user_keyword', products.description))
LIMIT ?, ?";
";
关于mysql - 如何根据关键字对结果进行排序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/19889958/