注释php
function getname($exname){
$dir = upimages/;
$i=1;
if(!is_dir($dir)){
mkdir($dir,0777);
}
while(true){
if(!is_file($dir.$i...$exname)){
$name=$i...$exname;
break;
}
$i++;
}
return $dir.$name;
}
$exname=strtolower(substr($_files['upfile']['name'],(strrpos($_files['upfile']['name'],'.')+1)));
$uploadfile = getname($exname);
move_uploaded_file($_files['upfile']['tmp_name'], $uploadfile);
if(trim($_files['upfile']['name']!=))
{
$uploadfile=admin/.$uploadfile;
}
else
{
$uploadfile=;
}
回复内容： http://www.jb51.net/article/25796.htm
https://zhidao.baidu.com/question/518135733.html
看看这个，对你应该有帮助。