本文实例讲述了PHP使用Face++接口开发微信公众平台人脸识别系统的方法。分享给大家供大家参考。具体如下：
效果图如下：
具体步骤如下：
首先，先登录Face++的官网注册账号：官网链接注册之后会获取到api_secret和api_key，这些在调用接口的时候需要用到。然后接下来的就是使用PHP脚本调用API了。在使用PHP开发微信公共平台的时候，推荐使用Github上的一款不错的框架：wechat-php-sdk对于微信的常用接口做了一些封装，核心文件wechat.class.php如下：
<?php /** * 微信公众平台PHP-SDK, 官方API部分 * @author dodge <dodgepudding@gmail.com> * @link https://github.com/dodgepudding/wechat-php-sdk * @version 1.2 * usage: * $options = array( * "token"=>"tokenaccesskey", //填写你设定的key * "appid"=>"wxdk1234567890", //填写高级调用功能的app id * "appsecret"=>"xxxxxxxxxxxxxxxxxxx", //填写高级调用功能的密钥 * ); * $weObj = new Wechat($options); * $weObj->valid(); * $type = $weObj->getRev()->getRevType(); * switch($type) { * case Wechat::MSGTYPE_TEXT: * $weObj->text("hello, I"m wechat")->reply(); * exit; * break; * case Wechat::MSGTYPE_EVENT: * .... * break; * case Wechat::MSGTYPE_IMAGE: * ... * break; * default: * $weObj->text("help info")->reply(); * } * //获取菜单操作: * $menu = $weObj->getMenu(); * //设置菜单 * $newmenu = array( * "button"=> * array( * array("type"=>"click","name"=>"最新消息","key"=>"MENU_KEY_NEWS"), * array("type"=>"view","name"=>"我要搜索","url"=>"http://www.baidu.com"), * ) * ); * $result = $weObj->createMenu($newmenu); */ class Wechat { const MSGTYPE_TEXT = "text"; const MSGTYPE_IMAGE = "image"; const MSGTYPE_LOCATION = "location"; const MSGTYPE_LINK = "link"; const MSGTYPE_EVENT = "event"; const MSGTYPE_MUSIC = "music"; const MSGTYPE_NEWS = "news"; const MSGTYPE_VOICE = "voice"; const MSGTYPE_VIDEO = "video"; const API_URL_PREFIX = "https://api.weixin.qq.com/cgi-bin"; const AUTH_URL = "/token?grant_type=client_credential&"; const MENU_CREATE_URL = "/menu/create?"; const MENU_GET_URL = "/menu/get?"; const MENU_DELETE_URL = "/menu/delete?"; const MEDIA_GET_URL = "/media/get?"; const QRCODE_CREATE_URL="/qrcode/create?"; const QR_SCENE = 0; const QR_LIMIT_SCENE = 1; const QRCODE_IMG_URL="https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket="; const USER_GET_URL="/user/get?"; const USER_INFO_URL="/user/info?"; const GROUP_GET_URL="/groups/get?"; const GROUP_CREATE_URL="/groups/create?"; const GROUP_UPDATE_URL="/groups/update?"; const GROUP_MEMBER_UPDATE_URL="/groups/members/update?"; const CUSTOM_SEND_URL="/message/custom/send?"; const OAUTH_PREFIX = "https://open.weixin.qq.com/connect/oauth2"; const OAUTH_AUTHORIZE_URL = "/authorize?"; const OAUTH_TOKEN_PREFIX = "https://api.weixin.qq.com/sns/oauth2"; const OAUTH_TOKEN_URL = "/access_token?"; const OAUTH_REFRESH_URL = "/refresh_token?"; const OAUTH_USERINFO_URL = "https://api.weixin.qq.com/sns/userinfo?"; private $token; private $appid; private $appsecret; private $access_token; private $user_token; private $_msg; private $_funcflag = false; private $_receive; public $debug = false; public $errCode = 40001; public $errMsg = "no access"; private $_logcallback; public function __construct($options) { $this->token = isset($options["token"])?$options["token"]:""; $this->appid = isset($options["appid"])?$options["appid"]:""; $this->appsecret = isset($options["appsecret"])?$options["appsecret"]:""; $this->debug = isset($options["debug"])?$options["debug"]:false; $this->_logcallback = isset($options["logcallback"])?$options["logcallback"]:false; } /** * For weixin server validation */ private function checkSignature() { $signature = isset($_GET["signature"])?$_GET["signature"]:""; $timestamp = isset($_GET["timestamp"])?$_GET["timestamp"]:""; $nonce = isset($_GET["nonce"])?$_GET["nonce"]:""; $token = $this->token; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr, SORT_STRING); $tmpStr = implode( $tmpArr ); $tmpStr = sha1( $tmpStr ); if( $tmpStr == $signature ){ return true; }else{ return false; } } /** * For weixin server validation * @param bool $return 是否返回 */ public function valid($return=false) { $echoStr = isset($_GET["echostr"]) ? $_GET["echostr"]: ""; if ($return) { if ($echoStr) { if ($this->checkSignature()) return $echoStr; else return false; } else return $this->checkSignature(); } else { if ($echoStr) { if ($this->checkSignature()) die($echoStr); else die("no access"); } else { if ($this->checkSignature()) return true; else die("no access"); } } return false; } /** * 设置发送消息 * @param array $msg 消息数组 * @param bool $append 是否在原消息数组追加 */ public function Message($msg = "",$append = false){ if (is_null($msg)) { $this->_msg =array(); }elseif (is_array($msg)) { if ($append) $this->_msg = array_merge($this->_msg,$msg); else $this->_msg = $msg; return $this->_msg; } else { return $this->_msg; } } public function setFuncFlag($flag) { $this->_funcflag = $flag; return $this; } private function log($log){ if ($this->debug && function_exists($this->_logcallback)) { if (is_array($log)) $log = print_r($log,true); return call_user_func($this->_logcallback,$log); } } /** * 获取微信服务器发来的信息 */ public function getRev() { if ($this->_receive) return $this; $postStr = file_get_contents("php://input"); $this->log($postStr); if (!empty($postStr)) { $this->_receive = (array)simplexml_load_string($postStr, "SimpleXMLElement", LIBXML_NOCDATA); } return $this; } /** * 获取微信服务器发来的信息 */ public function getRevData() { return $this->_receive; } /** * 获取消息发送者 */ public function getRevFrom() { if (isset($this->_receive["FromUserName"])) return $this->_receive["FromUserName"]; else return false; } /** * 获取消息接受者 */ public function getRevTo() { if (isset($this->_receive["ToUserName"])) return $this->_receive["ToUserName"]; else return false; } /** * 获取接收消息的类型 */ public function getRevType() { if (isset($this->_receive["MsgType"])) return $this->_receive["MsgType"]; else return false; } /** * 获取消息ID */ public function getRevID() { if (isset($this->_receive["MsgId"])) return $this->_receive["MsgId"]; else return false; } /** * 获取消息发送时间 */ public function getRevCtime() { if (isset($this->_receive["CreateTime"])) return $this->_receive["CreateTime"]; else return false; } /** * 获取接收消息内容正文 */ public function getRevContent(){ if (isset($this->_receive["Content"])) return $this->_receive["Content"]; else if (isset($this->_receive["Recognition"])) //获取语音识别文字内容，需申请开通 return $this->_receive["Recognition"]; else return false; } /** * 获取接收消息图片 */ public function getRevPic(){ if (isset($this->_receive["PicUrl"])) return $this->_receive["PicUrl"]; else return false; } /** * 获取接收消息链接 */ public function getRevLink(){ if (isset($this->_receive["Url"])){ return array( "url"=>$this->_receive["Url"], "title"=>$this->_receive["Title"], "description"=>$this->_receive["Description"] ); } else return false; } /** * 获取接收地理位置 */ public function getRevGeo(){ if (isset($this->_receive["Location_X"])){ return array( "x"=>$this->_receive["Location_X"], "y"=>$this->_receive["Location_Y"], "scale"=>$this->_receive["Scale"], "label"=>$this->_receive["Label"] ); } else return false; } /** * 获取接收事件推送 */ public function getRevEvent(){ if (isset($this->_receive["Event"])){ return array( "event"=>$this->_receive["Event"], "key"=>$this->_receive["EventKey"], ); } else return false; } /** * 获取接收语言推送 */ public function getRevVoice(){ if (isset($this->_receive["MediaId"])){ return array( "mediaid"=>$this->_receive["MediaId"], "format"=>$this->_receive["Format"], ); } else return false; } /** * 获取接收视频推送 */ public function getRevVideo(){ if (isset($this->_receive["MediaId"])){ return array( "mediaid"=>$this->_receive["MediaId"], "thumbmediaid"=>$this->_receive["ThumbMediaId"] ); } else return false; } /** * 获取接收TICKET */ public function getRevTicket(){ if (isset($this->_receive["Ticket"])){ return $this->_receive["Ticket"]; } else return false; } /** * 获取二维码的场景值 */ public function getRevSceneId (){ if (isset($this->_receive["EventKey"])){ return str_replace("qrscene_","",$this->_receive["EventKey"]); } else{ return false; } } public static function xmlSafeStr($str) { return "<![CDATA[".preg_replace("/[\x00-\x08\x0b-\x0c\x0e-\x1f]/","",$str)."]]>"; } /** * 数据XML编码 * @param mixed $data 数据 * @return string */ public static function data_to_xml($data) { $xml = ""; foreach ($data as $key => $val) { is_numeric($key) && $key = "item id="$key""; $xml .= "<$key>"; $xml .= ( is_array($val) || is_object($val)) ? self::data_to_xml($val) : self::xmlSafeStr($val); list($key, ) = explode(" ", $key); $xml .= "</$key>"; } return $xml; } /** * XML编码 * @param mixed $data 数据 * @param string $root 根节点名 * @param string $item 数字索引的子节点名 * @param string $attr 根节点属性 * @param string $id 数字索引子节点key转换的属性名 * @param string $encoding 数据编码 * @return string */ public function xml_encode($data, $root="xml", $item="item", $attr="", $id="id", $encoding="utf-8") { if(is_array($attr)){ $_attr = array(); foreach ($attr as $key => $value) { $_attr[] = "{$key}="{$value}""; } $attr = implode(" ", $_attr); } $attr = trim($attr); $attr = empty($attr) ? "" : " {$attr}"; $xml = "<{$root}{$attr}>"; $xml .= self::data_to_xml($data, $item, $id); $xml .= "</{$root}>"; return $xml; } /** * 设置回复消息 * Examle: $obj->text("hello")->reply(); * @param string $text */ public function text($text="") { $FuncFlag = $this->_funcflag ? 1 : 0; $msg = array( "ToUserName" => $this->getRevFrom(), "FromUserName"=>$this->getRevTo(), "MsgType"=>self::MSGTYPE_TEXT, "Content"=>$text, "CreateTime"=>time(), "FuncFlag"=>$FuncFlag ); $this->Message($msg); return $this; } /** * 设置回复音乐 * @param string $title * @param string $desc * @param string $musicurl * @param string $hgmusicurl */ public function music($title,$desc,$musicurl,$hgmusicurl="") { $FuncFlag = $this->_funcflag ? 1 : 0; $msg = array( "ToUserName" => $this->getRevFrom(), "FromUserName"=>$this->getRevTo(), "CreateTime"=>time(), "MsgType"=>self::MSGTYPE_MUSIC, "Music"=>array( "Title"=>$title, "Description"=>$desc, "MusicUrl"=>$musicurl, "HQMusicUrl"=>$hgmusicurl ), "FuncFlag"=>$FuncFlag ); $this->Message($msg); return $this; } /** * 设置回复图文 * @param array $newsData * 数组结构: * array( * [0]=>array( * "Title"=>"msg title", * "Description"=>"summary text", * "PicUrl"=>"http://www.domain.com/1.jpg", * "Url"=>"http://www.domain.com/1.html" * ), * [1]=>.... * ) */ public function news($newsData=array()) { $FuncFlag = $this->_funcflag ? 1 : 0; $count = count($newsData); $msg = array( "ToUserName" => $this->getRevFrom(), "FromUserName"=>$this->getRevTo(), "MsgType"=>self::MSGTYPE_NEWS, "CreateTime"=>time(), "ArticleCount"=>$count, "Articles"=>$newsData, "FuncFlag"=>$FuncFlag ); $this->Message($msg); return $this; } /** * * 回复微信服务器, 此函数支持链式操作 * @example $this->text("msg tips")->reply(); * @param string $msg 要发送的信息, 默认取$this->_msg * @param bool $return 是否返回信息而不抛出到浏览器 默认:否 */ public function reply($msg=array(),$return = false) { if (empty($msg)) $msg = $this->_msg; $xmldata= $this->xml_encode($msg); $this->log($xmldata); if ($return) return $xmldata; else echo $xmldata; } /** * GET 请求 * @param string $url */ private function http_get($url){ $oCurl = curl_init(); if(stripos($url,"https://")!==FALSE){ curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE); } curl_setopt($oCurl, CURLOPT_URL, $url); curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); $sContent = curl_exec($oCurl); $aStatus = curl_getinfo($oCurl); curl_close($oCurl); if(intval($aStatus["http_code"])==200){ return $sContent; }else{ return false; } } /** * POST 请求 * @param string $url * @param array $param * @return string content */ private function http_post($url,$param){ $oCurl = curl_init(); if(stripos($url,"https://")!==FALSE){ curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false); } if (is_string($param)) { $strPOST = $param; } else { $aPOST = array(); foreach($param as $key=>$val){ $aPOST[] = $key."=".urlencode($val); } $strPOST = join("&", $aPOST); } curl_setopt($oCurl, CURLOPT_URL, $url); curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); curl_setopt($oCurl, CURLOPT_POST,true); curl_setopt($oCurl, CURLOPT_POSTFIELDS,$strPOST); $sContent = curl_exec($oCurl); $aStatus = curl_getinfo($oCurl); curl_close($oCurl); if(intval($aStatus["http_code"])==200){ return $sContent; }else{ return false; } } /** * 通用auth验证方法，暂时仅用于菜单更新操作 * @param string $appid * @param string $appsecret */ public function checkAuth($appid="",$appsecret=""){ if (!$appid || !$appsecret) { $appid = $this->appid; $appsecret = $this->appsecret; } //TODO: get the cache access_token $result = $this->http_get(self::API_URL_PREFIX.self::AUTH_URL."appid=".$appid."&secret=".$appsecret); if ($result) { $json = json_decode($result,true); if (!$json || isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } $this->access_token = $json["access_token"]; $expire = $json["expires_in"] ? intval($json["expires_in"])-100 : 3600; //TODO: cache access_token return $this->access_token; } return false; } /** * 删除验证数据 * @param string $appid */ public function resetAuth($appid=""){ $this->access_token = ""; //TODO: remove cache return true; } /** * 微信api不支持中文转义的json结构 * @param array $arr */ static function json_encode($arr) { $parts = array (); $is_list = false; //Find out if the given array is a numerical array $keys = array_keys ( $arr ); $max_length = count ( $arr ) - 1; if (($keys [0] === 0) && ($keys [$max_length] === $max_length )) { //See if the first key is 0 and last key is length - 1 $is_list = true; for($i = 0; $i < count ( $keys ); $i ++) { //See if each key correspondes to its position if ($i != $keys [$i]) { //A key fails at position check. $is_list = false; //It is an associative array. break; } } } foreach ( $arr as $key => $value ) { if (is_array ( $value )) { //Custom handling for arrays if ($is_list) $parts [] = self::json_encode ( $value ); /* :RECURSION: */ else $parts [] = """ . $key . "":" . self::json_encode ( $value ); /* :RECURSION: */ } else { $str = ""; if (! $is_list) $str = """ . $key . "":"; //Custom handling for multiple data types if (is_numeric ( $value ) && $value<2000000000) $str .= $value; //Numbers elseif ($value === false) $str .= "false"; //The booleans elseif ($value === true) $str .= "true"; else $str .= """ . addslashes ( $value ) . """; //All other things // :TODO: Is there any more datatype we should be in the lookout for? (Object?) $parts [] = $str; } } $json = implode ( ",", $parts ); if ($is_list) return "[" . $json . "]"; //Return numerical JSON return "{" . $json . "}"; //Return associative JSON } /** * 创建菜单 * @param array $data 菜单数组数据 * example: { "button":[ { "type":"click", "name":"今日歌曲", "key":"MENU_KEY_MUSIC" }, { "type":"view", "name":"歌手简介", "url":"http://www.qq.com/" }, { "name":"菜单", "sub_button":[ { "type":"click", "name":"hello word", "key":"MENU_KEY_MENU" }, { "type":"click", "name":"赞一下我们", "key":"MENU_KEY_GOOD" }] }] } */ public function createMenu($data){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_post(self::API_URL_PREFIX.self::MENU_CREATE_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return true; } return false; } /** * 获取菜单 * @return array("menu"=>array(....s)) */ public function getMenu(){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::MENU_GET_URL."access_token=".$this->access_token); if ($result) { $json = json_decode($result,true); if (!$json || isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 删除菜单 * @return boolean */ public function deleteMenu(){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::MENU_DELETE_URL."access_token=".$this->access_token); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return true; } return false; } /** * 根据媒体文件ID获取媒体文件 * @param string $media_id 媒体文件id * @return raw data */ public function getMedia($media_id){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::MEDIA_GET_URL."access_token=".$this->access_token."&media_id=".$media_id); if ($result) { $json = json_decode($result,true); if (isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 创建二维码ticket * @param int $scene_id 自定义追踪id * @param int $type 0:临时二维码；1:永久二维码(此时expire参数无效) * @param int $expire 临时二维码有效期，最大为1800秒 * @return array("ticket"=>"qrcode字串","expire_seconds"=>1800) */ public function getQRCode($scene_id,$type=0,$expire=1800){ if (!$this->access_token && !$this->checkAuth()) return false; $data = array( "action_name"=>$type?"QR_LIMIT_SCENE":"QR_SCENE", "expire_seconds"=>$expire, "action_info"=>array("scene"=>array("scene_id"=>$scene_id)) ); if ($type == 1) { unset($data["expire_seconds"]); } $result = $this->http_post(self::API_URL_PREFIX.self::QRCODE_CREATE_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 获取二维码图片 * @param string $ticket 传入由getQRCode方法生成的ticket参数 * @return string url 返回http地址 */ public function getQRUrl($ticket) { return self::QRCODE_IMG_URL.$ticket; } /** * 批量获取关注用户列表 * @param unknown $next_openid */ public function getUserList($next_openid=""){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::USER_GET_URL."access_token=".$this->access_token."&next_openid=".$next_openid); if ($result) { $json = json_decode($result,true); if (isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 获取关注者详细信息 * @param string $openid * @return array */ public function getUserInfo($openid){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::USER_INFO_URL."access_token=".$this->access_token."&openid=".$openid); if ($result) { $json = json_decode($result,true); if (isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 获取用户分组列表 * @return boolean|array */ public function getGroup(){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_get(self::API_URL_PREFIX.self::GROUP_GET_URL."access_token=".$this->access_token); if ($result) { $json = json_decode($result,true); if (isset($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 新增自定分组 * @param string $name 分组名称 * @return boolean|array */ public function createGroup($name){ if (!$this->access_token && !$this->checkAuth()) return false; $data = array( "group"=>array("name"=>$name) ); $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_CREATE_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 更改分组名称 * @param int $groupid 分组id * @param string $name 分组名称 * @return boolean|array */ public function updateGroup($groupid,$name){ if (!$this->access_token && !$this->checkAuth()) return false; $data = array( "group"=>array("id"=>$groupid,"name"=>$name) ); $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_UPDATE_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 移动用户分组 * @param int $groupid 分组id * @param string $openid 用户openid * @return boolean|array */ public function updateGroupMembers($groupid,$openid){ if (!$this->access_token && !$this->checkAuth()) return false; $data = array( "openid"=>$openid, "to_groupid"=>$groupid ); $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_MEMBER_UPDATE_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * 发送客服消息 * @param array $data 消息结构{"touser":"OPENID","msgtype":"news","news":{...}} * @return boolean|array */ public function sendCustomMessage($data){ if (!$this->access_token && !$this->checkAuth()) return false; $result = $this->http_post(self::API_URL_PREFIX.self::CUSTOM_SEND_URL."access_token=".$this->access_token,self::json_encode($data)); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } /** * oauth 授权跳转接口 * @param string $callback 回调URI * @return string */ public function getOauthRedirect($callback,$state="",$scope="snsapi_userinfo"){ return self::OAUTH_PREFIX.self::OAUTH_AUTHORIZE_URL."appid=".$this->appid."&redirect_uri=".urlencode($callback)."&response_type=code&scope=".$scope."&state=".$state."#wechat_redirect"; } /* * 通过code获取Access Token * @return array {access_token,expires_in,refresh_token,openid,scope} */ public function getOauthAccessToken(){ $code = isset($_GET["code"])?$_GET["code"]:""; if (!$code) return false; $result = $this->http_get(self::OAUTH_TOKEN_PREFIX.self::OAUTH_TOKEN_URL."appid=".$this->appid."&secret=".$this->appsecret."&code=".$code."&grant_type=authorization_code"); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } $this->user_token = $json["access_token"]; return $json; } return false; } /** * 刷新access token并续期 * @param string $refresh_token * @return boolean|mixed */ public function getOauthRefreshToken($refresh_token){ $result = $this->http_get(self::OAUTH_TOKEN_PREFIX.self::OAUTH_REFRESH_URL."appid=".$this->appid."&grant_type=refresh_token&refresh_token=".$refresh_token); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } $this->user_token = $json["access_token"]; return $json; } return false; } /** * 获取授权后的用户资料 * @param string $access_token * @param string $openid * @return array {openid,nickname,sex,province,city,country,headimgurl,privilege} */ public function getOauthUserinfo($access_token,$openid){ $result = $this->http_get(self::OAUTH_USERINFO_URL."access_token=".$access_token."&openid=".$openid); if ($result) { $json = json_decode($result,true); if (!$json || !empty($json["errcode"])) { $this->errCode = $json["errcode"]; $this->errMsg = $json["errmsg"]; return false; } return $json; } return false; } }接下来就是接口对应的index.php文件，处理微信服务器发送来的信息。因为是工作室的微信公共账号，所以未做任何修改源码搬上来，截取有用的部分即可：
<?php /** * WeeGo工作室微信公众平台接口源码 * @author CallMeWhy <wanghaiyang@139.me> * @version 1.0 */ include "wechat.class.php"; $options = array ( "token"=>"weego", "debug"=>true, "logcallback"=>"logdebug" ); $weObj = new Wechat($options); // 验证 $weObj->valid(); // 获取内容 $weObj->getRev(); // 获取用户的OpenID $fromUsername = $weObj->getRevFrom(); // 获取接受信息的类型 $type = $weObj->getRev()->getRevType(); //**********关注操作则写入数据库**********/ if($weObj->getRevSubscribe()) { // 获取用户OPENID并写入数据库 $mysql = new SaeMysql(); $sql = "INSERT INTO `users` (`wxid`) VALUES ("" . $fromUsername . "");"; $mysql->runSql($sql); $mysql->closeDb(); // 获得信息的类型 $news = array ( array ( "Title"=>"欢迎关注WeeGo工作室", "Description"=>"发送任意内容查看最新开发进展", "PicUrl"=>"http://233.weego.sinaapp.com/images/weego_400_200.png", ) ); $weObj->news($news)->reply(); } //**********取消关注操作则删除数据库**********/ if($weObj->getRevUnsubscribe()) { // 获取用户OPENID并从数据库删除 $mysql = new SaeMysql(); $sql = "DELETE FROM `users` WHERE `wxid` = "" . $fromUsername . """; $mysql->runSql($sql); $mysql->closeDb(); } switch($type) { case Wechat::MSGTYPE_TEXT: /**********文字信息**********/ $news = array ( array ( "Title"=>"欢迎光临WeeGo工作室", "PicUrl"=>"http://233.weego.sinaapp.com/images/weego_400_200.png", //"Url"=>"http://233.weego.sinaapp.com/web/home.php?wxid=".$fromUsername ), array ( "Title"=>"功能1：发送图片可以查询照片中人脸的年龄和性别信息哦", "PicUrl"=>"http://233.weego.sinaapp.com/images/face.jpg", //"Url"=>"http://233.weego.sinaapp.com/web/home.php?wxid=".$fromUsername ), array ( "Title"=>"功能2：发送一张两人合影的照片可以计算两人的相似程度", "PicUrl"=>"http://233.weego.sinaapp.com/images/mask.png", //"Url"=>"http://233.weego.sinaapp.com/web/home.php?wxid=".$fromUsername ), array ( "Title"=>"功能3：山东大学绩点查询签到等功能正在开发中敬请期待", "PicUrl"=>"http://233.weego.sinaapp.com/images/sdu.jpg", //"Url"=>"http://233.weego.sinaapp.com/web/home.php?wxid=".$fromUsername ) ); // 开发人员通道 if($weObj->getRev()->getRevContent() === "why"){ $news = array ( array ( "Title"=>"开发人员通道", "Description"=>"开发人员通道", "PicUrl"=>"http://233.weego.sinaapp.com/images/weego_400_200.png", "Url"=>"http://233.weego.sinaapp.com/web/home.php?wxid=".$fromUsername ) ); } $weObj->news($news)->reply(); exit; break; case Wechat::MSGTYPE_EVENT: break; case Wechat::MSGTYPE_IMAGE: /**********图片信息**********/ $imgUrl = $weObj->getRev()->getRevPic(); $resultStr = face($imgUrl); $weObj->text($resultStr)->reply(); break; default: $weObj->text("Default")->reply(); } // 调用人脸识别的API返回识别结果 function face($imgUrl) { // face++ 链接 $jsonStr = file_get_contents("http://apicn.faceplusplus.com/v2/detection/detect?url=".$imgUrl."&api_key=5eb2c984ad24ffc08c352bdb53ee52f8&api_secret=ViX19uvxkT_A0a6d55Hb0Q0QGMTqZ95f&&attribute=glass,pose,gender,age,race,smiling"); $replyDic = json_decode($jsonStr); $resultStr = ""; $faceArray = $replyDic->{"face"}; $resultStr .= "图中共检测到".count($faceArray)."张脸！"; for ($i= 0;$i< count($faceArray); $i++){ $resultStr .= "第".($i+1)."张脸"; $tempFace = $faceArray[$i]; // 获取所有属性 $tempAttr = $tempFace->{"attribute"}; // 年龄：包含年龄分析结果 // value的值为一个非负整数表示估计的年龄, range表示估计年龄的正负区间 $tempAge = $tempAttr->{"age"}; // 性别：包含性别分析结果 // value的值为Male/Female, confidence表示置信度 $tempGenger = $tempAttr->{"gender"}; // 种族：包含人种分析结果 // value的值为Asian/White/Black, confidence表示置信度 $tempRace = $tempAttr->{"race"}; // 微笑：包含微笑程度分析结果 //value的值为0-100的实数，越大表示微笑程度越高 $tempSmiling = $tempAttr->{"smiling"}; // 眼镜：包含眼镜佩戴分析结果 // value的值为None/Dark/Normal, confidence表示置信度 $tempGlass = $tempAttr->{"glass"}; // 造型：包含脸部姿势分析结果 // 包括pitch_angle, roll_angle, yaw_angle // 分别对应抬头，旋转（平面旋转），摇头 // 单位为角度。 $tempPose = $tempAttr->{"pose"}; //返回年龄 $minAge = $tempAge->{"value"} - $tempAge->{"range"}; $minAge = $minAge < 0 ? 0 : $minAge; $maxAge = $tempAge->{"value"} + $tempAge->{"range"}; $resultStr .= "年龄：".$minAge."-".$maxAge."岁"; // 返回性别 if($tempGenger->{"value"} === "Male") $resultStr .= "性别：男"; else if($tempGenger->{"value"} === "Female") $resultStr .= "性别：女"; // 返回种族 if($tempRace->{"value"} === "Asian") $resultStr .= "种族：黄种人"; else if($tempRace->{"value"} === "Male") $resultStr .= "种族：白种人"; else if($tempRace->{"value"} === "Black") $resultStr .= "种族：黑种人"; // 返回眼镜 if($tempGlass->{"value"} === "None") $resultStr .= "眼镜：木有眼镜"; else if($tempGlass->{"value"} === "Dark") $resultStr .= "眼镜：目测墨镜"; else if($tempGlass->{"value"} === "Normal") $resultStr .= "眼镜：普通眼镜"; //返回微笑 $resultStr .= "微笑：".round($tempSmiling->{"value"})."%"; } if(count($faceArray) === 2){ // 获取face_id $tempFace = $faceArray[0]; $tempId1 = $tempFace->{"face_id"}; $tempFace = $faceArray[1]; $tempId2 = $tempFace->{"face_id"}; // face++ 链接 $jsonStr = file_get_contents("https://apicn.faceplusplus.com/v2/recognition/compare?api_secret=ViX19uvxkT_A0a6d55Hb0Q0QGMTqZ95f&api_key=5eb2c984ad24ffc08c352bdb53ee52f8&face_id2=".$tempId2 ."&face_id1=".$tempId1); $replyDic = json_decode($jsonStr); //取出相似程度 $tempResult = $replyDic->{"similarity"}; $resultStr .= "相似程度：".round($tempResult)."%"; //具体分析相似处 $tempSimilarity = $replyDic->{"component_similarity"}; $tempEye = $tempSimilarity->{"eye"}; $tempEyebrow = $tempSimilarity->{"eyebrow"}; $tempMouth = $tempSimilarity->{"mouth"}; $tempNose = $tempSimilarity->{"nose"}; $resultStr .= "相似分析："; $resultStr .= "眼睛：".round($tempEye)."%"; $resultStr .= "眉毛：".round($tempEyebrow)."%"; $resultStr .= "嘴巴：".round($tempMouth)."%"; $resultStr .= "鼻子：".round($tempNose)."%"; } //如果没有检测到人脸 if($resultStr === "") $resultStr = "照片中木有人脸=.="; return $resultStr; }; // 写入本地日志文件的函数 function logdebug($text) { file_put_contents("log.txt", $text."", FILE_APPEND); };希望本文所述对大家基于php的微信公众平台开发有所帮助。
