cURL 学习笔记与总结（4）使用 curl 从 ftp 上下载文件与上传文件到 ftp

<?php
$curlobj = curl_init();    
curl_setopt($curlobj, CURLOPT_URL, "ftp://192.***.*.***/文件名");  
curl_setopt($curlobj, CURLOPT_HEADER, 0); 
curl_setopt($curlobj, CURLOPT_RETURNTRANSFER, 1);  
curl_setopt($curlobj, CURLOPT_TIMEOUT, 300); // times out after 300s
curl_setopt($curlobj, CURLOPT_USERPWD, "用户名:密码");//FTP用户名：密码
// Sets up the output file
$outfile = fopen(‘test.txt‘, ‘wb‘);//保存到本地的文件名
curl_setopt($curlobj, CURLOPT_FILE, $outfile);

$rtn = curl_exec($curlobj);  
fclose($outfile); 
if(!curl_errno($curlobj)){
    echo "RETURN: " . $rtn;  
} else {
  echo ‘Curl error: ‘ . curl_error($curlobj);
}
curl_close($curlobj);

<?php
$curlobj = curl_init();    
$localfile = ‘test.php‘;
$fp = fopen($localfile, ‘r‘);

curl_setopt($curlobj, CURLOPT_URL, "ftp://***.***.***.***/保存的文件名");  
curl_setopt($curlobj, CURLOPT_HEADER, 0); 
curl_setopt($curlobj, CURLOPT_RETURNTRANSFER, 1);  
curl_setopt($curlobj, CURLOPT_TIMEOUT, 300); // times out after 300s
curl_setopt($curlobj, CURLOPT_USERPWD, "用户名:密码");//FTP用户名：密码

curl_setopt($curlobj, CURLOPT_UPLOAD, 1);
curl_setopt($curlobj, CURLOPT_INFILE, $fp);
curl_setopt($curlobj, CURLOPT_INFILESIZE, filesize($localfile));
$rtn = curl_exec($curlobj);  
fclose($fp); 
if(!curl_errno($curlobj)){
    echo "Uploaded successfully.";  
} else {
  echo ‘Curl error: ‘ . curl_error($curlobj);
}
curl_close($curlobj);