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> |