这里有一些方法可以做到
INSERT INTO pxlot (realname,email,address,phone,status,regtime,ip)
select '$realname','$email','$address','$phone','0','$dateTime','$ip'
from SOMETABLEWITHTONSOFROWS LIMIT 3;
或者
INSERT INTO pxlot (realname,email,address,phone,status,regtime,ip)
select '$realname','$email','$address','$phone','0','$dateTime','$ip'
union all select '$realname','$email','$address','$phone','0','$dateTime','$ip'
union all select '$realname','$email','$address','$phone','0','$dateTime','$ip'
或者
INSERT INTO pxlot (realname,email,address,phone,status,regtime,ip)
values ('$realname','$email','$address','$phone','0','$dateTime','$ip')
,('$realname','$email','$address','$phone','0','$dateTime','$ip')
,('$realname','$email','$address','$phone','0','$dateTime','$ip')