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一个简单上传文件出错的解决

WBOY
WBOYOriginal
2016-06-13 10:31:311012browse

以前没怎么注意搞过文件上传,昨天搞了一个简单的却发现问题还挺多。

刚开始的程序代码如下:
uploadimg.php(做为现在的主流开发语言)
 
(做为现在的主流开发语言)

//判断是上载界面还是实现界面,如果是上载界面,显示下面的HTML页面
if(!$_POST[UploadAction]):

?>










       


(做为现在的主流开发语言)

//如果是实现页面,显示下面的HTML页面,并激活php(做为现在的主流开发语言)脚本
else:

?>





(做为现在的主流开发语言)


//www.knowsky.com初始化UploadAction的状态
$UploadAction=0;

$UploadFile=$_POST[UploadFile];

if(($UploadFile!="none") && ($UploadFile!=""))
{
        $UploadPath=$_SERVER[DOCUMENT_ROOT]."\";

        if (!is_writeable($UploadPath))
        {
                echo "$UploadPath目录不可写!"; exit;
        }
        else
        {
                echo " $UploadPath 目录可写!";
        }

        $FileName=$UploadFile_name;

        if($UploadFile_size        {
                $FileSize=(string)$UploadFile_size."字节";
        }
        elseif($UploadFile_size        {
                $FileSize=number_format((double)($UploadFile_size/1024),1)."KB";
        }
        else
        {
                $FileSize=number_format((double)($UploadFile_size/(1024*1024)),1)."KB";
        }
        if(!file_exists($UploadPath.$FileName))
        {
                if(move_uploaded_file($UploadFile,$UploadPath.$FileName))

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