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：
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/**
* 微信公众平台PHP-SDK,官方API部分
* @author dodge
* @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 '';
}
/**
* 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 .= "";
}
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 .= "";
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' => $this->getRevFrom(),'MsgType'=>self::MSGTYPE_MUSIC,'Music'=>array(
'Title'=>$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' => $this->getRevFrom(),'MsgType'=>self::MSGTYPE_NEWS,'ArticleCount'=>$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,false);
}
if (is_string($param)) {
$strPOST = $param;
} else {
$aPOST = array();
foreach($param as $key=>$val){
$aPOST[] = $key."=".urlencode($val);
}
$strPOST = join("&",$aPOST);
}
curl_setopt($oCurl,1 );
curl_setopt($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,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,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,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,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,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;">
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();
*/
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**/
$news = array
(
array
(
'Title'=>"欢迎光临WeeGo工作室",//'Url'=>'http://233.weego.sinaapp.com/web/home.PHP?wxid='.$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',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',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"){
$news = array
(
array
(
'Title'=>'开发人员通道','Description'=>'开发人员通道','Url'=>'http://233.weego.sinaapp.com/web/home.PHP?wxid='.$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！\n";
for ($i= 0;$i< count($faceArray); $i++){
$resultStr .= "第".($i+1)."张脸\n";
$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."-".$maxAge."岁\n";
// 返回性别
if($tempGenger->{'value'} === "Male")
$resultStr .= "性别：男\n";
else if($tempGenger->{'value'} === "Female")
$resultStr .= "性别：女\n";
// 返回种族
if($tempRace->{'value'} === "Asian")
$resultStr .= "种族：黄种人\n";
else if($tempRace->{'value'} === "Male")
$resultStr .= "种族：白种人\n";
else if($tempRace->{'value'} === "Black")
$resultStr .= "种族：黑种人\n";
// 返回眼镜
if($tempGlass->{'value'} === "None")
$resultStr .= "眼镜：木有眼镜\n";
else if($tempGlass->{'value'} === "Dark")
$resultStr .= "眼镜：目测墨镜\n";
else if($tempGlass->{'value'} === "Normal")
$resultStr .= "眼镜：普通眼镜\n";
//返回微笑
$resultStr .= "微笑：".round($tempSmiling->{'value'})."%\n";
}
if(count($faceArray) === 2){
// 获取face_id
$tempFace = $faceArray[0];
$tempId1 = $tempFace->{'face_id'};
$tempFace = $faceArray[1];
$tempId2 = $tempFace->{'face_id'};
// face++ <a href="/tag/lianjie/" target="_blank" class="keywords">链接</a>
$jsonStr =
file_get_contents("https://apicn.faceplusplus.com/v2/recognition/compare?api_secret=ViX19uvxkT_A0a6d55Hb0Q0QGMTqZ95f&api_key=5eb2c984ad24ffc08c352bdb53ee52f8&face_id2=".$tempId2 ."&face_id1=".$tempId1);
$replyDic = json_decode($jsonStr);
//取出相似程度
$tempResult = $replyDic->{'similarity'};
$resultStr .= "相似程度：".round($tempResult)."%\n";
//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：\n";
$resultStr .= "眼睛：".round($tempEye)."%\n";
$resultStr .= "眉毛：".round($tempEyebrow)."%\n";
$resultStr .= "嘴巴：".round($tempMouth)."%\n";
$resultStr .= "鼻子：".round($tempNose)."%\n"; }
//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."\n",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。
