客户端：

<form method="post" action="upload.php">
<input type="file" name="file1">
<input type="submit" value="上传">
</form>

服务器端（upload.php）：

if(is_uploaded_file($_FILES['file1']['tmp_name'])){

move_uploaded_file($_FILES['file1']['tmp_name'],'./upload/'.iconv('utf-8','gbk',$_FILES['file1']['name']));  //iconv()为支持中文文件名

}