abstract：查$sql = "select * from cates where cid=$cid";刪除$sql = "delete from cates where cid=$cid" ;修改$sql = "update cates set cname='$cname' where cid=$cid";添加$sql="i

查$sql = "select * from cates where cid=$cid";

刪除$sql = "delete from cates where cid=$cid" ;

修改$sql = "update cates set cname='$cname' where cid=$cid";

添加$sql="insert into lyb_message(mtitle,mcontent,mtime,ip,uid)values('$title','$content','$time','$ip','$uid')";

Correcting teacher：查無此人Correction time：2019-05-09 14:09:25
Teacher's summary：寫的不錯。數(shù)據(jù)庫最主要的就是增刪查改。繼續(xù)加油