tp5随机查询几条数据
tp5随机查询：->orderRaw('rand()')
$users = Db::table('up_u_user')
->where('user_status',1)
->orderRaw('rand()')
->page(1,3)
->select();tp5随机查询：->orderRaw('rand()')
$users = Db::table('up_u_user')
->where('user_status',1)
->orderRaw('rand()')
->page(1,3)
->select();