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php实现的使用ftp自动更新上传文件的代码，有需要的朋友，可以参考下。
完整代码。
<html>
<head>
<body>
<h1>Mirror update</h1>
<?php
/**
* php ftp自动更新上传文件
* site bbs.it-home.org
*/
//变量设置
$host='192.168.11.12';
$user='ftp_user';
$password='ftp_pwd';
$remotefile='/pub/files/test.rar';
$localfile='/tmp/files.rar';
//connect to host
$conn=ftp_connect($host);
if(!$conn)
{
echo 'Error: 无法连接ftp服务器<br/>';
exit;
}
echo "Connected to $host.<br/>";
@ $result=ftp_login($conn,$user,$password);
if(!$result)
{
echo "Error: 用户 $user 登录失败。<br/>";
ftp_quit($conn);
exit;
}
echo "login as $user<br/>";
//check file times to see if an update is required
echo 'Checking file time....';
if(file_exists($localfile))
{
$localtime=filetime($localfile);
echo 'Local file last updated';
echo date('G:i j-M-Y',$localtime);
echo '<br/>';
}
else
$localtime=0;
$remotetime=ftp_mdtm($conn,$remotefile);// 获取远程文件的修改时间函数
if (!($remotetime>=0))
{
echo 'Can/'t access remote file time.<br/>';
$remotetime=$localtime+1; //make sure of an update
}
else
{
echo 'Remote file last updated';
echo date('G:i j-M-Y',$remotetime);
echo '<br/>';
}
if(!($remotetime>$localtime))
{
echo 'Local copy is up to date.<br />';
exit;
}
//download file
echo 'Getting file from server....<br />';
$fp=fopen($localfile,'w');
if(!$success=ftp_fget($conn,$fp,$remotefile));
{
echo 'Error:Could not download file';
ftp_quit($conn);
exit;
}
fclose($fp);
echo "File download successfully";
//close connection to host
ftp_quit($conn);
//fget()函数的用法：
//ftp_get($conn,$localfile,$remotefile);
?>
</body>
</head>
</html>登入後複製 |
