请救：那位有php的图片文件上传及可以修改上传文件名的源码,谢谢！！！

Question

上传：
$str=$_FILES['file1']['name'];
$name=explode(".",$str);
$extend=$name[count($name)-1];
if($extend !="")
{
$randval = date("Ymd").rand();
$uploaddir = "../onload/picture/";
$uploadfile = $uploaddir.$randval.".".$extend;
move_uploaded_file($_FILES['file1']['tmp_name'], $uploadfile);
}
mysql_query("insert into `content` (`sub_id`,`title`,`pic`) values('$id;','$picname','$uploadfile')")

Answer 1

$str=$_FILES['file1']['name'];
$name=explode(".",$str);
$extend=$name[count($name)-1];
if($extend !="")
{
$randval = date("Ymd").rand();
$uploaddir = "../onload/picture/";
$uploadfile = $uploaddir.$randval.".".$extend;
move_uploaded_file($_FILES['file1']['tmp_name'], $uploadfile);
}
mysql_query("insert into `content` (`pic`) values('$uploadfile');

Answer 2

http://cn.php.net/manual/zh/features.file-upload.php

Answer 3

文件可以传上去，但我的text文本提交不了。