一个PHP文件上载的类

<?php

/*

* Topic: File uploading class

* Author: urs@circle.ch

* Modified: 14-8-2000

*

*/

// --------------------------------------------------------------------------------------------

// look & feel

// --------------------------------------------------------------------------------------------

function myHeader(){

?>

<HTML>

<HEAD>

<TITLE>PHP - file upload</TITLE>

<style type="text/css">



</style>

</HEAD>

<BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080">

<CENTER>

<?php

}

function myFooter(){

?>

</CENTER>

</BODY>

</HTML>

<?php

}

// --------------------------------------------------------------------------------------------

// upload class

// --------------------------------------------------------------------------------------------

class upload {

function myReport()

{

global $PHP_SELF, $userfile, $userfile_name, $newname, $userfile_size, $userfile_type, $dest_path;

?>

<TABLE>

<TR><TD><b>upload report</b>

<TR><TD>upload tmp file:</TD><TD><?php echo $userfile; ?></TD>

<TR><TD>file name:</TD><TD><?php echo $userfile_name; ?></TD>

<TR><TD>target file name:</TD><TD><?php echo $newname; ?></TD>

<TR><TD>target directory:</TD><TD><?php echo $dest_path; ?></TD>

<TR><TD>file size:</TD><TD><?php echo $userfile_size; ?></TD>

<TR><TD>file type:</TD><TD><?php echo $userfile_type; ?></TD>

<TR><TD> 

<TR><TD><a href="<?php echo basename($PHP_SELF); ?>">upload again</a></TD>

</TABLE>

<?php

}

function myForm()

{

global $PHP_SELF, $dest_path, $dest_file, $userfile;

$read_only = "yes"; // do not let others to change the target filename

$dest_path = "c:\\tmp\\"; // target file destination path

$dest_file = "test.csv"; // target file name

$file_size = "100000"; // upload size limit

?>

<TABLE>

<FORM ENCTYPE="multipart/form-data" ACTION="<?php echo basename($PHP_SELF); ?>" METHOD=POST>

<INPUT TYPE="hidden" name="go" value="1">

<INPUT TYPE="hidden" name="dest_path" value="<?php echo $dest_path; ?>">

<INPUT TYPE="hidden" name="MAX_FILE_SIZE" value="<?php echo $file_size; ?>">

<TR>

<TD><b>file upload</b></TD>

<TD></TD>

<TR>

<TD>file:</TD>

<TD><INPUT TYPE="File" name="userfile" size="30" maxlength="255"></TD>

<TR>

<TD>target filename:</TD>

<TD><INPUT TYPE="Text" name="newname" size="30" maxlength="255" value="<?php echo $dest_file; ?>" <?php echo($read_only == "yes" ? 'READONLY' : '); ?> ></TD>

<TR>

<TD>upload diretory:</TD>

<TD><?php echo $dest_path; ?></TD>

<TR>

<TD colspan="2" align="CENTER"><INPUT TYPE="submit" VALUE="upload"></TD>

</FORM>

</TABLE>

<?php

}

function myUpload()

{

global $userfile, $newname, $dest_path;

$upload_path = "c:\\host\\apache\\htdocs\\tmp\\";

if (!copy( $upload_path.basename($userfile), $dest_path.$newname)) echo "failed to copy file<br>\n";

}

}

// --------------------------------------------------------------------------------------------

// main

// --------------------------------------------------------------------------------------------

$this = new upload;

switch ($HTTP_POST_VARS["go"]):

case (1):

$HTTP_POST_VARS["go"] = 0;

myHeader();

$this-> myUpload();

$this-> myReport();

myFooter();

break;

default:

myHeader();

$this-> myForm();

myFooter();

endswitch;

?>
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