function getname($exname){

$dir = "../uploadfile/";

$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);

if (move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile)) {

echo "

文件上传成功！

";

}else {

echo "

文件上传失败！

";

}

echo "下面是文件上传的一些信息：

原文件名：".$_FILES['upfile']['name'] .

"
类型：" .$_FILES['upfile']['type'] .

"
临时文件名：".$_FILES['upfile']['tmp_name'].

"
文件大小：".$_FILES['upfile']['size'] .

"
错误代码：".$_FILES['upfile']['error'];
?>

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