为什么我用这段php上传代码总是出现这个问题？

$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);
去掉basename即可


最好是加个是否上传成功的判断

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$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);
去掉basename即可


最好是加个是否上传成功的判断

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PHP上传文件的代码实例
http://www.phpsu.com/phpjc/20080607/5082.html
上传文件的一些代码
http://www.phpsu.com/phpjc/20080607/5081.html
你看一下这两个网页吧，呵呵

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这个错误提示的是：无法将文件复制到指定位置。。我看了你的代码。估计你上传的文件。和你正在编辑的文件。。不是同一个文件。

$uploaddir = './var/';

这一行代码和你显示出来的不一样。
你用的应该是虎翼网的空间吧。。如果你要上传到 bt 目录。直接这么写就可以了。

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $_FILES['userfile']['name']))

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<form action="xxx.php" method="post" enctype="multipart/form-data">

少了这句吧enctype="multipart/form-data"

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上传实例和详细的讲解
http://www.webphper.cn/naodai/index.php?seekname=%E4%B8%8A%E4%BC%A0&job=searchTitle

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

你这句是怎么移动的 没给文件名好么！！！！

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给你个我写的上传类自已去看看吧
class upload{
private $uploadFile; //上传路径
private $uploadType; //数组上传文件类型
private $uploadSize; //上传文件大小

public function __construct($uploadFile , $uploadType , $uploadSize){
$this->uploadFile = $uploadFile;
$this->uploadType = $uploadType;
$this->uploadSize = $uploadSize;
}

public function is_upload($name){
$error = new error();
if(!is_uploaded_file($_FILES[$name][tmp_name])){
return $error->alert_msg("文件上传不成功，请重新上传" , 1);
}
return true;
}

public function is_uploadSize($name){
$error = new error();
if($_FILES[$name]['size'] > $this->uploadSize){
echo $this->uploadSize;
return $error->alert_msg("文件太大了，请压缩后重新上传" , 1);
}
return true;
}

public function is_uploadType($name){
$fileType = explode( "." , $_FILES[$name]['name'] );
$count = (count($fileType) - 1);
$type = $fileType[$count];
for($i=0;$i<count($this->uploadType);$i++){
$retType .= $this->uploadType[$i].",";
}
$setType = trim($retType , ",");
$error = new error();
if(!in_array( $type , $this->uploadType )){
return $error->alert_msg("上传文件类型错误，只能上传".$setType."类型的文件，请重新上传" , 1);
}
return true;
}

public function uploading ($name){
$error = new error();
if($this->is_upload($name) && $this->is_uploadSize($name) && $this->is_uploadType($name)){
if(!file_exists($this->uploadFile)){
mkdir($this->uploadFile , 0777) or die("无法创建目录");
}
$fileName = date("Y-m-j" , time())."-".$_FILES[$name]['name'];
if(!file_exists($this->uploadFile."/".$fileName)){
if(!move_uploaded_file ($_FILES[$name]['tmp_name'], $this->uploadFile."/".$fileName)){
return $error->alert_msg("文件无法移动,请检查设置" , 1);
}
}else{
return $error->alert_msg("上传文件已存在，请重新上传" , 1);
}
}
return true;
}


}