tp5数据库查询字段拼接concat
$data = Db::table('up_user')
->where($where)
->field([
'p_user_name', "CONCAT(p_year,'-', p_month) as ud_date"
])
->select(); $data = Db::table('up_user')
->where($where)
->field([
'p_user_name', "CONCAT(p_year,'-', p_month) as ud_date"
])
->select();