[TOC] ## curl 类 <details> <summary>curl.php</summary> ``` class Curl { /** * @param $url * @param string $post * @param string $cookie * @param int $timeout * @param int $returnCookie * * @return bool|string */ protected static function curl_request($url,$post='',$cookie='',$timeout=10,$returnCookie=0){ $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)'); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($curl, CURLOPT_AUTOREFERER, 1); curl_setopt($curl, CURLOPT_REFERER, "http://XXX"); if($post) { curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS,$post); } if($cookie) curl_setopt($curl, CURLOPT_COOKIE, $cookie); curl_setopt($curl, CURLOPT_HEADER, $returnCookie); curl_setopt($curl, CURLOPT_TIMEOUT, $timeout); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); $data = curl_exec($curl); if (curl_errno($curl)) { return curl_error($curl); } curl_close($curl); if($returnCookie){ list($header, $body) = explode("\r\n\r\n", $data, 2); preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches); $info['cookie'] = substr($matches[1][0], 1); $info['content'] = $body; return $info; } return $data; } public static function post($url, $data = [], $timeout=10, $cookie='', $timeout=10,$returnCookie=0) { return self::curl_request($url,$data,$cookie,$timeout,$returnCookie); } public static function get($url, $data = [],$timeout=10,$cookie='', $returnCookie=0) { if($data) { $url .= "?" . http_build_query($data); } return self::curl_request($url,"",$cookie,$timeout, $returnCookie); } /** * curl支持 检测 * @return bool|false|resource|null */ protected function check_curl() { $ch = null; if (!function_exists('curl_init')) { return false; } $ch = curl_init(); if (!is_resource($ch)) { return false; } return $ch; } /** * @param $nodes [ [ 'url'=>'http://192.168.0.120:8010/api/user/get_info', 'data'=>['uid'=>1,'user_login'=>'admin'] ], [ 'url'=>'http://127.0.0.1:8010/api/user/get_info', 'data'=>['uid'=>1,'user_login'=>'1'] ], ]; * * @return array [ 'http://192.168.0.120:8010/api/user/get_info'=>'{"status":"1","data":{"user_id":"1","user_login":"admin","user_name":"系统管理员"}', 'http://127.0.0.1:8010/api/user/get_info'=>'{"status":"1","data":{"user_id":"1","user_login":"1","user_name":"1"}', ] */ static function multiple_threads_get($nodes=[]){ $urls = []; foreach($nodes as $url){ if(is_array($url['data'])){ $urls[] = $url['url'].'?'.http_build_query($url['data']); }else{ $urls[] = $url['url']; } } $mh = curl_multi_init(); $curl_array = []; foreach($urls as $i => $url){ $curl_array[$i] = curl_init($url); curl_setopt($curl_array[$i], CURLOPT_RETURNTRANSFER, true); curl_setopt($curl_array[$i], CURLOPT_CONNECTTIMEOUT, 2); curl_multi_add_handle($mh, $curl_array[$i]); } $running = null; do{ curl_multi_exec($mh, $running); }while($running > 0); $res = []; foreach($urls as $i => $url){ $res[$url] = curl_multi_getcontent($curl_array[$i]); } foreach($urls as $i => $url){ curl_multi_remove_handle($mh, $curl_array[$i]); } curl_multi_close($mh); return $res; } /** * @param $nodes * * @return array */ static function multiple_threads_post($nodes=[]){ $mh = curl_multi_init(); $curl_array = array(); foreach($nodes as $i => $item){ $curl_array[$i] = curl_init($item['url']); curl_setopt($curl_array[$i], CURLOPT_RETURNTRANSFER, true); curl_setopt($curl_array[$i], CURLOPT_CONNECTTIMEOUT, 2); curl_setopt($curl_array[$i], CURLOPT_POST, 1); curl_setopt($curl_array[$i], CURLOPT_POSTFIELDS, $item['data']); curl_multi_add_handle($mh, $curl_array[$i]); } $running = null; do{ curl_multi_exec($mh, $running); }while($running > 0); $res = array(); foreach($nodes as $i => $item){ $res[$item['url']] = curl_multi_getcontent($curl_array[$i]); } foreach($nodes as $i => $item){ curl_multi_remove_handle($mh, $curl_array[$i]); } curl_multi_close($mh); return $res; } /** * php完美实现下载远程图片保存到本地 * * @param string $url 文件url * @param string $save_dir 保存文件目录 * @param string $filename 保存文件名称 * @param array $exts 文件后缀: 如 ['.gif','.jpg'] * @param int $type 使用的下载方式 * @return array */ public static function get_file_to_local($url='', $save_dir='', $filename='', $exts=[], $type=0){ if(trim($url)===''){ return array('file_name'=>'','save_path'=>'','error'=>1); } if(trim($save_dir)===''){ $save_dir='./'; } if(trim($filename)===''){//保存文件名 $ext=strrchr($url,'.'); if (!empty($ext) && !in_array($ext, $exts, true)){ return array('file_name'=>'','save_path'=>'','error'=>2); } $filename=time().$ext; } if(0!==strrpos($save_dir,'/')){ $save_dir.='/'; } //创建保存目录 if(!file_exists($save_dir) && !mkdir($save_dir, 0777, true) && !is_dir($save_dir)){ return array('file_name'=>'','save_path'=>'','error'=>3); } //获取远程文件所采用的方法 if($type){ $ch=curl_init(); $timeout=5; curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout); $img=curl_exec($ch); curl_close($ch); }else{ ob_start(); readfile($url); $img=ob_get_clean(); } $size=strlen($img); if ($size===0){ return array('file_name'=>'','save_path'=>'','error'=>4); } //文件大小 $fp2=@fopen($save_dir.$filename, 'ab'); fwrite($fp2,$img); fclose($fp2); unset($img); return array('file_name'=>$filename,'save_path'=>$save_dir.$filename,'error'=>0); } } ``` </details> <br/> ## 测试普通请求(可发送文件) ``` $res = Curl::get("http://127.0.0.1:9001/test.php",['name'=>'1']); $res = Curl::post("http://127.0.0.1:9001/test.php",['age'=>'123','name'=>new CURLFile("/path/to/1.png")]); ``` ## 测试并行发送(可发送文件) ``` $nodes=[ [ 'url'=>'http://192.168.0.120:8010/api/user/get_info', 'data'=>[ 'uid'=>1, 'app_id'=>'system', 'authen'=>'a90fc09aac9bc7af435f3d0de231421e6dcee8c6b1e24b23172e43376c11a991', 'dept_id'=>'1', 'user_login'=>'admin', 'file'=>new CURLFile("/path/1.png"), ] ], [ 'url'=>'http://127.0.0.1:8010/api/user/get_info', 'data'=>['uid'=>1,'app_id'=>'system','authen'=>'a90fc09aac9bc7af435f3d0de231421e6dcee8c6b1e24b23172e43376c11a991','dept_id'=>'1','user_login'=>'1'] ], ]; $res = Curl::multiple_threads_get($nodes); ``` ## 远程下载文件 ``` $res = Curl::get_file_to_local("http://mmbiz.qpic.cn/mmbiz_jpg/tnoJFTuLBa99ic78GjkCnFAVia2jTa71gnJxMKhC6XcnKC0zuS5mv4nicuzjUiaLFmcv6sARbbJM2qDwTEw6PWVU3w/640?wx_fmt=jpeg", 'testimg','123.jpg',['.jpg'],1); var_dump($res); ```