当前位置: 首页 > 图文教程 > 网络编程 > PHP > PHP的FTP学习(四)

PHP
让我们来编写一些PHP实用的脚本
七种缓存使用武器 为网站应用和访问加速
动态网页PHP中引用&的使用注意事项
在PHP中全面阻止SQL注入式攻击
PHP自带可以代替echo调试的unit函数
小结：PHP动态网页程序优化及高效提速问题
php对特殊语句查询结果进行数组排序
实例：用PHP技术解决网站URL格式过长的问题
小结：PHP动态网页程序两个有用的小技巧
动态网页中直接不让访问PHP程序文件
网页实例：详细介绍用PHP来编写网页记数器
菜鸟学习：动态网页PHP基础学习笔记
利用Apache实现禁止图片盗链
PHP编程中常用的三则技巧
PHP制作的网站意见在线反馈表
大型Web需求解决方案 PHP定位突出
PHP实例：精确到每一秒钟的在线人数显示代码
实用：动态网页制作技术PHP的十个应用技巧
常见php页面漏洞分析及相关问题解决
PHP和MYSQL制作动态网站开发经验之谈

No. « 2 3 4 5 »

技术文章搜索

关键字

PHP的FTP学习(四)

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-09-13   浏览: 43 ::
收藏到网摘: n/a

By Vikram Vaswani
Melonfire
November 07, 2000
以下是代码列表：
--------------------------------------------------------------------------------
<!-- code for index.html begins here -->
<html>
<head>
<basefont face=arial>
</head>
<body>
<table border=0 align=center>
<form action="actions.php" method=post>
<input type=hidden name=action value=CWD>
<tr>
<td>
Server
</td>
<td>
<input type=text name=server>
</td>
</tr>
<tr>
<td>
User
</td>
<td>
<input type=text name=username>
</td>
</tr>
<tr>
<td>
Password
</td>
<td>
<input type=password name=password>
</td>
</tr>
<tr>
<td colspan=2 align=center>
<input type="submit" value="Beam Me Up, Scotty!">
</td>
</tr>
</form>
</table>
</body>
</html>
<!-- code for index.html ends here -->
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<!-- code for actions.php begins here -->
<html>
<head>
<basefont face=Arial>
</head>
<body>
<?
/*
--------------------------------------------------------------------------------
DISCLAIMER:
This is use-at-your-own-risk code.
It is meant only for illustrative purposes and is not meant for production environments. No warranties of any kind are provided to the user.
You have been warned!
All code copyright Melonfire, 2000. Visit us at http://www.melonfire.com
--------------------------------------------------------------------------------
*/
// function to connect to FTP server
function connect()
{
global $server, $username, $password;
$conn = ftp_connect($server);
ftp_login($conn, $username, $password);
return $conn;
}

// main program begins
// check for valid form entries else print error
if (!$server || !$username || !$password)
{
echo "Form data incomplete!";
}
else
{

// connect
$result = connect();
// action: change directory
if ($action == "CWD")
{
// at initial stage $rdir does not exist
// so assume default directory
if (!$rdir)
{
$path = ".";
}
// get current location $cdir and add it to requested directory $rdir
else
{
$path = $cdir . "/" . $rdir;
}
// change to requested directory
ftp_chdir($result, $path);
}
// action: delete file(s)
else if ($action == "Delete")
{
ftp_chdir($result, $cdir);
// loop through selected files and delete
for ($x=0; $x<sizeof($dfile); $x++)
{
ftp_delete($result, $cdir . "/" . $dfile[$x]);
}
}
// action: download files
else if ($action == "Download")
{
ftp_chdir($result, $cdir);
// download selected files
// IMPORTANT: you should specify a different download location here!!
for ($x=0; $x<sizeof($dfile); $x++)
{
ftp_get($result, $dfile[$x], $dfile[$x], FTP_BINARY);
}
}
// action: upload file
else if ($action == "Upload")
{
ftp_chdir($result, $cdir);
// put file
/*
a better idea would be to use
$res_code = ftp_put($result, $HTTP_POST_FILES["upfile"]["name"],
$HTTP_POST_FILES["upfile"]["tmp_name"], FTP_BINARY);
as it offers greater security
*/
$res_code = ftp_put($result, $upfile_name, $upfile, FTP_BINARY);

// check status and display
if ($res_code == 1)
{
$status = "Upload successful!";
}
else
{
$status = "Upload error!";
}
}
// create file list
$filelist = ftp_nlist($result, ".");
// and display interface
include("include.php");
// close connection
ftp_quit($result);
}
?>
</body>
</html>
<!-- code for actions.php ends here -->
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<!-- code for include.php begins here -->
<?
// get current location
$here = ftp_pwd($result);
/*
since ftp_size() is quite slow, especially when working
on an array containing all the files in a directory,
this section performs an ftp_size() on all the files in the current
directory and creates three arrays.
*/
// array for files
$files = Array();
// array for directories
$dirs = Array();
// array for file sizes
$file_sizes = Array();
// counters
$file_list_counter = 0;
$dir_list_counter = 0;
// check each element of $filelist
for ($x=0; $x<sizeof($filelist); $x++)
{
if (ftp_size($result, $filelist[$x]) != -1)
{
// create arrays
$files[$file_list_counter] = $filelist[$x];
$file_sizes[$file_list_counter] = ftp_size($result, $filelist[$x]);
$file_list_counter++;
}
else
{
$dir_list[$dir_list_counter] = $filelist[$x];
$dir_list_counter++;
}
}
?>
<!-- header - where am I? -->
<center>
You are currently working in <b><? echo $here; ?></b>
<br>
<!-- status message for upload function -->
<? echo $status; ?>
</center>
<hr>
<p>
<!-- directory listing in drop-down list -->
Available directories:
<form action=actions.php method=post>
<!-- these values are passed hidden every time -->
<!-- a more optimal solution might be to place these in session
variables -->
<input type=hidden name=username value=<? echo $username; ?>>
<input type=hidden name=password value=<? echo $password; ?>>
<input type=hidden name=server value=<? echo $server; ?>>
<input type=hidden name=cdir value=<? echo $here; ?>>
<!-- action to take when THIS form is submitted -->
<input type=hidden name=action value=CWD>
<!-- dir listing begins; first item is for parent dir -->
<select name=rdir>
<option value=".."><parent directory></option>
<?
for ($x=0; $x<sizeof($dir_list); $x++)
{
echo "<option value=" . $dir_list[$x] . ">" . $dir_list[$x] . "</option>";
}
?>
</select>
<input type=submit value=Go>
</form>
<hr>
<!-- file listing begins -->
Available files:
<form action=actions.php method=post>
<!-- these values are passed hidden every time -->
<input type=hidden name=server value=<? echo $server; ?>>
<input type=hidden name=username value=<? echo $username; ?>>
<input type=hidden name=password value=<? echo $password; ?>>
<input type=hidden name=cdir value=<? echo $here; ?>>
<table border=0 width=100%>
<?
// display file listing with checkboxes and sizes
for ($y=0; $y<sizeof($files); $y++)
{
echo "<tr><td><input type=checkbox name=dfile[] value=" . $files[$y] .
">". $files[$y] . " <i>(" . $file_sizes[$y] . " bytes)</i><td>";
}
?>
</table>
<!-- actions for this form -->
<center>
<input type=submit name=action value=Delete>
<input type=submit name=action value=Download>
</center>
</form>
<p>
<hr>
<!-- file upload form -->
File upload:
<form enctype="multipart/form-data" action=actions.php method=post>
<!-- these values are passed hidden every time -->
<input type=hidden name=username value=<? echo $username; ?>>
<input type=hidden name=password value=<? echo $password; ?>>
<input type=hidden name=server value=<? echo $server; ?>>
<input type=hidden name=cdir value=<? echo $here; ?>>
<table>
<tr>
<td>
<!-- file selection box -->
<input type=file name=upfile>
</td>
</tr>
<tr>
<td>
<!-- action for this form -->
<input type=submit name=action value=Upload>
</td>
</tr>
</table>
</form>
<!-- code for include.php ends here -->