浅谈PHP中的数据传输CURL

[root@fengniu020 ~]# php -i | grep -i curl additional .ini files parsed => /etc/php.d/curl.ini, curl curl support => enabled curl information => 7.19.7

<?php $curl=curl_init('http://www.jb51.net'); curl_exec($curl); curl_close($curl); ?>

<?php /** * 实例描述：在网络上下载一个网页并把内容中的“百度”替换为“摆渡”之后输出 */ $curlobj = curl_init(); // 初始化 curl_setopt($curlobj, curlopt_url, "http://www.baidu.com"); // 设置访问网页的url curl_setopt($curlobj, curlopt_returntransfer, true); // 执行之后不直接打印出来 $output=curl_exec($curlobj); // 执行 curl_close($curlobj); // 关闭curl echo str_replace("百度","摆渡",$output); ?>

<?php /** * 实例描述：通过调用webservice查询北京的当前天气 * 下方接口，免费用户24小时内访问是有限制的，需要存储信息 */ $data = 'thecityname=北京'; //$data = 'thecityname=北京&';//多个用&号连接 $curlobj = curl_init(); curl_setopt($curlobj, curlopt_url, "http://www.webxml.com.cn/webservices/weatherwebservice.asmx/getweatherbycityname"); curl_setopt($curlobj, curlopt_header, 0); curl_setopt($curlobj, curlopt_returntransfer, 1); curl_setopt($curlobj, curlopt_post, 1); //post方式 curl_setopt($curlobj, curlopt_postfields, $data); curl_setopt($curlobj, curlopt_httpheader, array("application/x-www-form-urlencoded; charset=utf-8", "content-length: ".strlen($data) )); //http请求头 curl_setopt ($curlobj, curlopt_useragent, $_server['http_user_agent']); $rtn = curl_exec($curlobj); if(!curl_errno($curlobj)){ // $info = curl_getinfo($curlobj); // print_r($info); echo $rtn; } else { echo 'curl error: ' . curl_error($curlobj); } curl_close($curlobj); ?>

<?php /** * 代码实例-php-curl实战 * 实例描述：从ftp服务器下载一个文件到本地 */ $curlobj = curl_init(); curl_setopt($curlobj, curlopt_url, "ftp://192.168.1.100/downloaddemo.txt"); 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, "peter.zhou:123456");//ftp用户名：密码 // sets up the output file $outfile = fopen('dest.txt', 'wb');//保存到本地的文件名 curl_setopt($curlobj, curlopt_file, $outfile); $rtn = curl_exec($curlobj); fclose($outfile); if(!curl_errno($curlobj)){ // $info = curl_getinfo($curlobj); // print_r($info); echo "return: " . $rtn; } else { echo 'curl error: ' . curl_error($curlobj); } curl_close($curlobj); ?>

<?php /** * 代码实例-php-curl实战 * 实例描述：把本地文件上传到ftp服务器上 */ $curlobj = curl_init(); $localfile = 'ftp01.php';//需要上传的文件 $fp = fopen($localfile, 'r'); curl_setopt($curlobj, curlopt_url, "ftp://192.168.1.100/ftp01_uploaded.php");//上传后保存的文件名 curl_setopt($curlobj, curlopt_header, 0); curl_setopt($curlobj, curlopt_returntransfer, 1); curl_setopt($curlobj, curlopt_timeout, 300); // times out after 300s curl_setopt($curlobj, curlopt_userpwd, "peter.zhou:123456");//ftp用户名：密码 curl_setopt($curlobj, curlopt_upload, 1); curl_setopt($curlobj, curlopt_infile, $fp);//传输打开的文件 curl_setopt($curlobj, curlopt_infilesize, filesize($localfile));//上传的文件大小 $rtn = curl_exec($curlobj); fclose($fp); if(!curl_errno($curlobj)){ echo "uploaded successfully."; } else { echo 'curl error: ' . curl_error($curlobj); } curl_close($curlobj); ?>

<?php /** * 代码实例-php-curl实战 * 实例描述：下载网络上面的一个https的资源 */ $curlobj = curl_init(); // 初始化 curl_setopt($curlobj, curlopt_url, "https://ajax.aspnetcdn.com/ajax/jquery.validate/1.12.0/jquery.validate.js"); // 设置访问网页的url curl_setopt($curlobj, curlopt_returntransfer, true); // 执行之后不直接打印出来 // 设置https支持 date_default_timezone_set('prc'); // 使用cookie时，必须先设置时区 curl_setopt($curlobj, curlopt_ssl_verifypeer, 0); // 对认证证书来源的检查从证书中检查ssl加密算法是否存在,设置为0就是终止从服务器端进行验证 curl_setopt($curlobj, curlopt_ssl_verifyhost, 2); // $output=curl_exec($curlobj); // 执行 curl_close($curlobj); // 关闭curl echo $output; ?>