最近想学习一下旷世的 face++人脸识别，参照文档用 php 写了个脚本，传本地的照片上去测试时发现老是不成功，研究了好久才发现 curl 函数进行 post 请求不成功，试了好多办法也没法正常使用。。。
<?php function curl($image){ $fp = fopen(dirname(__FILE__).'/errorlog.txt', 'a'); $ch = curl_init(); $post_data = array( 'api_key'=>'key', 'api_secret'=>'secret', 'image_file' => "$image" ); print_r($post_data); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_TIMEOUT, 60); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_VERBOSE, 1); curl_setopt($ch, CURLOPT_STDERR, $fp); //curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($ch,CURLOPT_BINARYTRANSFER,true); curl_setopt($ch, CURLOPT_POSTFIELDS,$post_data); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 120); curl_setopt($ch, CURLOPT_TIMEOUT, 120); curl_setopt($ch, CURLOPT_URL, "https://api-cn.faceplusplus.com/facepp/v3/detect"); $info= curl_exec($ch); curl_close($ch); print_r($info); return $info; } $image='@image.jpg'; $re=curl($image); print_r($re); ini_set("max_execution_time", 300); 附 curl 的日志如下
Host: api-cn.faceplusplus.com User-Agent: Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0) Accept: */* Accept-Encoding: gzip, deflate Content-Length: 19061 Content-Type: multipart/form-data; boundary=------------------------a3ed34acf8fa0825 * Connection state changed (MAX_CONCURRENT_STREAMS == 128)! < HTTP/2 400 < server: Tengine < date: Tue, 11 Feb 2020 16:24:57 GMT < content-type: application/json; charset= < content-length: 157 * HTTP error before end of send, stop sending < * Connection #0 to host api-cn.faceplusplus.com left intact 
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