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PHP封装的微信公众平台接口开发操作类完整示例

发布时间:2022-02-24 13:56 所属栏目:121 来源:互联网
导读:本文实例讲述了PHP封装的微信公众平台接口开发操作类。分享给大家供大家参考,具体如下: 示例调用 index.php !--?php /** * Author: 惹妹子生气了 * Date: 2017-08-10 */ class MpWeixin { public $config; public $class_obj; public $is_check_signature
  本文实例讲述了PHP封装的微信公众平台接口开发操作类。分享给大家供大家参考,具体如下:
 
  示例调用 index.php
 
  <!--?php
  /**
  * Author: 惹妹子生气了
  * Date: 2017-08-10
  */
  class MpWeixin
  {
    public $config;
    public $class_obj;
    public $is_check_signature = false;
    public function __construct()
    {
      //获取配置
      $this--->config = array('appid'=>'dfdfdfdfdf', 'secret'=>'343434343434');
      $echostr = isset($_GET['echostr']) ? $_GET['echostr'] : ''; // 是否来自于微信的服务器配置验证
      if ($echostr) {
        $this->is_check_signature = true;
      }else{
        $this->is_check_signature = false;
        include_once "mpweixin.class.php";
        $this->class_obj = new mpweixin($this->config); //实例化对应的插件
      }
    }
    /**
     * 服务器地址(用户消息和开发者需要的事件推送,会被转发到该URL中)
     */
    public function index()
    {
      if ($this->is_check_signature) {
        $this->valid();
      }else{
        $this->class_obj->responseMsg();
      }
    }
    /**
     * 开发者对签名(即signature)的效验,来判断此条消息的真实性
     */
    public function valid()
    {
      $echoStr = $this->checkSignature();
      if($echoStr){
        header('content-type:text');
        exit($echoStr);
      }
    }
    /**
    * 验证是否来自于微信
    * @return [type] [description]
    */
    public function checkSignature()
    {
      //微信会发送4个参数到我们的服务器后台 签名 时间戳 随机字符串 随机数
      $signature = $_GET['signature']; // 签名
      $timestamp = $_GET['timestamp']; // 时间戳
      $echoStr = $_GET['echostr']; // 随机字符串
      $nonce = $_GET['nonce']; // 随机数
      if ($signature && $timestamp && $echoStr && $nonce) {
        // 微信公众号基本配置中的token
        $token = TOKEN;
        //将token、timestamp、nonce按字典序排序
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        // 将三个参数字符串拼接成一个字符串进行sha1加密
        $tmpStr = implode($tmpArr);
        $tmpStr = sha1($tmpStr);
        // 开发者获得加密后的字符串可与signature对比,标识该请求来源于微信
        if($tmpStr == $signature){
          return $echoStr; //Cuoxin.com
        } else {
          return false;
        }
      }
    }
  }
  ?>
  PHP类文件 mpweixin.class.php
 
  <!--?php
  /*
  * 微信公众号插件
  * 开发者模式,请先注册微信开放平台账号,然后启动开发模式
  */
  class mpweixin{
    public $appid;
    public $secret;
    public function __construct($config){
      $this--->appid = $config['appid'];
      $this->secret = $config['secret'];
    }
    /* ----------------------------------响应----------------------------- */
    /**
     * 响应消息
     */
    public function responseMsg()
    {
      $postStr = file_get_contents("php://input");
      if (!emptyempty($postStr)){
        $this->logger("R /r/n".$postStr);
        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $RX_TYPE = trim($postObj->MsgType);
        switch ($RX_TYPE)
        {
          // 事件
          case "event":
            $result = $this->receiveEvent($postObj);
            break;
          // 文本
          case "text":
            if (strstr($postObj->Content, "第三方")){
              $result = $this->relayPart3("http://www.fangbei.org/test.php".'?'.$_SERVER['UERY_STRING';], $postStr);
            }else{
              $result = $this->receiveText($postObj);
            }
            break;
          // 图片
          case "image":
            $result = $this->receiveImage($postObj);
            break;
          // 地理位置
          case "location":
            $result = $this->receiveLocation($postObj);
            break;
          // 语音
          case "voice":
            $result = $this->receiveVoice($postObj);
            break;
          // 视频
          case "video":
            $result = $this->receiveVideo($postObj);
            break;
          // 链接
          case "link":
            $result = $this->receiveLink($postObj);
            break;
          default:
            $result = "unknown msg type: ".$RX_TYPE;
            break;
        }
        $this->logger("T /r/n".$result);
        echo $result;
      }else {
        echo "";
        exit;
      }
    }
    /* ----------------------------------接收----------------------------- */
    /**
     * 接收事件消息
     */
    private function receiveEvent($object)
    {
      $content = "";
      switch ($object->Event)
      {
        // 关注时的事件推送
        case "subscribe":
          $content = "欢迎关注方倍工作室";
          $content .= (!emptyempty($object->EventKey)) ? ("/n来自<a href="http://www.111cn.net/zhuanti/erweima/" class="anchor" target="_blank">二维码</a>场景".str_replace("qrscene_","",$object->EventKey)) : "";
          break;
        // 取消关注事件
        case "unsubscribe":
          $content = "取消关注";
          break;
        // 点击菜单拉取消息时的事件推送
        case "CLICK":
          switch ($object->EventKey)
          {
            case "COMPANY":
              $content = array();
              $content[] = array("Title"=>"方倍工作室", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg";, "Url" =>"http://m.cnblogs.com/?u=txw1958";);
              break;
            default:
              $content = "点击菜单:".$object->EventKey;
              break;
          }
          break;
        // 点击菜单跳转链接时的事件推送
        case "VIEW":
          $content = "跳转链接 ".$object->EventKey;
          break;
        // 扫描带参数二维码场景,用户已关注时的事件推送
        case "SCAN":
          $content = "扫描场景 ".$object->EventKey;
          break;
        // 上报地理位置事件
        case "LOCATION":
          $content = "上传位置:纬度 ".$object->Latitude.";经度 ".$object->Longitude;
          break;
        // 扫码推事件且弹出“消息接收中”提示框的事件推送
        case "scancode_waitmsg":
          if ($object->ScanCodeInfo->ScanType == "qrcode"){
            $content = "扫码带提示:类型 二维码 结果:".$object->ScanCodeInfo->ScanResult;
          }else if ($object->ScanCodeInfo->ScanType == "barcode"){
            $codeinfo = explode(",",strval($object->ScanCodeInfo->ScanResult));
            $codeValue = $codeinfo[1];
            $content = "扫码带提示:类型 条形码 结果:".$codeValue;
          }else{
            $content = "扫码带提示:类型 ".$object->ScanCodeInfo->ScanType." 结果:".$object->ScanCodeInfo->ScanResult;
          }
          break;
        // 扫码推事件的事件推送
        case "scancode_push":
          $content = "扫码推事件";
          break;
        // 弹出系统拍照发图的事件推送
        case "pic_sysphoto":
          $content = "系统拍照";
          break;
        // 弹出微信相册发图器的事件推送
        case "pic_weixin":
          $content = "相册发图:数量 ".$object->SendPicsInfo->Count;
          break;
        // 弹出拍照或者相册发图的事件推送
        case "pic_photo_or_album":
          $content = "拍照或者相册:数量 ".$object->SendPicsInfo->Count;
          break;
        // 弹出地理位置选择器的事件推送
        case "location_select":
          $content = "发送位置:标签 ".$object->SendLocationInfo->Label;
          break;
        default:
          $content = "receive a new event: ".$object->Event;
          break;
      }
      if(is_array($content)){
        if (isset($content[0]['PicUrl'])){
          $result = $this->transmitNews($object, $content);
        }else if (isset($content['MusicUrl'])){
          $result = $this->transmitMusic($object, $content);
        }
      }else{
        $result = $this->transmitText($object, $content);
      }
      return $result;
    }
    /**
     * 接收文本消息
     */
    private function receiveText($object)
    {
      $keyword = trim($object->Content);
      //多客服人工回复模式
      if (strstr($keyword, "请问在吗") || strstr($keyword, "在线客服")){
        $result = $this->transmitService($object);
        return $result;
      }
      //自动回复模式
      if (strstr($keyword, "文本")){
        $content = "这是个文本消息";
      }else if (strstr($keyword, "表情")){
        $content = "中国:".$this->bytes_to_emoji(0x1F1E8).$this->bytes_to_emoji(0x1F1F3)."/n仙人掌:".$this->bytes_to_emoji(0x1F335);
      }else if (strstr($keyword, "单图文")){
        $content = array();
        $content[] = array("Title"=>"单图文标题", "Description"=>"单图文内容", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg";, "Url" =>"http://m.cnblogs.com/?u=txw1958";);
      }else if (strstr($keyword, "图文") || strstr($keyword, "多图文")){
        $content = array();
        $content[] = array("Title"=>"多图文1标题", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg";, "Url" =>"http://m.cnblogs.com/?u=txw1958";);
        $content[] = array("Title"=>"多图文2标题", "Description"=>"", "PicUrl"=>"http://d.hiphotos.bdimg.com/wisegame/pic/item/f3529822720e0cf3ac9f1ada0846f21fbe09aaa3.jpg";, "Url" =>"http://m.cnblogs.com/?u=txw1958";);
        $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg";, "Url" =>"http://m.cnblogs.com/?u=txw1958";);
      }else if (strstr($keyword, "音乐")){
        $content = array();
        $content = array("Title"=>"最炫民族风", "Description"=>"歌手:凤凰传奇", "MusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3";, "HQMusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3";);
      }else{
        $content = date("Y-m-d H:i:s",time())."/nOpenID:".$object->FromUserName."/n技术支持 方倍工作室";
      }
      if(is_array($content)){
        if (isset($content[0])){
          $result = $this->transmitNews($object, $content);
        }else if (isset($content['MusicUrl'])){
          $result = $this->transmitMusic($object, $content);
        }
      }else{
        $result = $this->transmitText($object, $content);
      }
      return $result;
    }
    /**
     * 接收图片消息
     */
    private function receiveImage($object)
    {
      $content = array("MediaId"=>$object->MediaId);
      $result = $this->transmitImage($object, $content);
      return $result;
    }
    /**
     * 接收位置消息
     */
    private function receiveLocation($object)
    {
      $content = "你发送的是位置,经度为:".$object->Location_Y.";纬度为:".$object->Location_X.";缩放级别为:".$object->Scale.";位置为:".$object->Label;
      $result = $this->transmitText($object, $content);
      return $result;
    }
    /**
     * 接收语音消息
     */
    private function receiveVoice($object)
    {
      if (isset($object->Recognition) && !emptyempty($object->Recognition)){
        $content = "你刚才说的是:".$object->Recognition;
        $result = $this->transmitText($object, $content);
      }else{
        $content = array("MediaId"=>$object->MediaId);
        $result = $this->transmitVoice($object, $content);
      }
      return $result;
    }
    /**
     * 接收视频消息
     */
    private function receiveVideo($object)
    {
      $content = array("MediaId"=>$object->MediaId, "ThumbMediaId"=>$object->ThumbMediaId, "Title"=>"", "Description"=>"");
      $result = $this->transmitVideo($object, $content);
      return $result;
    }
    /**
     * 接收链接消息
     */
    private function receiveLink($object)
    {
      $content = "你发送的是链接,标题为:".$object->Title.";内容为:".$object->Description.";链接地址为:".$object->Url;
      $result = $this->transmitText($object, $content);
      return $result;
    }
    /* ----------------------------------回复----------------------------- */
    /**
     * 回复文本消息
     */
    private function transmitText($object, $content)
    {
      if (!isset($content) || emptyempty($content)){
        return "";
      }
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[text]]--></msgtype>
              <content><!--[CDATA[%s]]--></content>
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), $content);
      return $result;
    }
    /**
     * 回复多客服消息
     */
    private function transmitService($object)
    {
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[transfer_customer_service]]--></msgtype>
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
      return $result;
    }
    /**
     * 回复图文消息
     */
    private function transmitNews($object, $newsArray)
    {
      if(!is_array($newsArray)){
        return "";
      }
      $itemTpl = "<item>
              <title><![CDATA[%s]]></title>
              <description><!--[CDATA[%s]]--></description>
              <picurl><!--[CDATA[%s]]--></picurl>
              <url><!--[CDATA[%s]]--></url>
            </item>";
      $item_str = "";
      foreach ($newsArray as $item){
        $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);
      }
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[news]]--></msgtype>
              <articlecount>%s</articlecount>
              <articles>$item_str</articles>
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), count($newsArray));
      return $result;
    }
    /**
     * 回复音乐消息
     */
    private function transmitMusic($object, $musicArray)
    {
      if(!is_array($musicArray)){
        return "";
      }
      $itemTpl = "<music>
              <title><![CDATA[%s]]></title>
              <description><!--[CDATA[%s]]--></description>
              <musicurl><!--[CDATA[%s]]--></musicurl>
              <hqmusicurl><!--[CDATA[%s]]--></hqmusicurl>
            </music>";
      $item_str = sprintf($itemTpl, $musicArray['Title'], $musicArray['Description'], $musicArray['MusicUrl'], $musicArray['HQMusicUrl']);
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[music]]--></msgtype>
              $item_str
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
      return $result;
    }
    /**
     * 回复图片消息
     */
    private function transmitImage($object, $imageArray)
    {
      $itemTpl = "<img>
              <mediaid><!--[CDATA[%s]]--></mediaid>
            ";
      $item_str = sprintf($itemTpl, $imageArray['MediaId']);
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[image]]--></msgtype>
              $item_str
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
      return $result;
    }
    /**
     * 回复语音消息
     */
    private function transmitVoice($object, $voiceArray)
    {
      $itemTpl = "<voice>
              <mediaid><!--[CDATA[%s]]--></mediaid>
            </voice>";
      $item_str = sprintf($itemTpl, $voiceArray['MediaId']);
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[voice]]--></msgtype>
              $item_str
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
      return $result;
    }
    /**
     * 回复视频消息
     */
    private function transmitVideo($object, $videoArray)
    {
      $itemTpl = "<video>
              <mediaid><!--[CDATA[%s]]--></mediaid>
              <thumbmediaid><!--[CDATA[%s]]--></thumbmediaid>
              <title><![CDATA[%s]]></title>
              <description><!--[CDATA[%s]]--></description>
            </video>";
      $item_str = sprintf($itemTpl, $videoArray['MediaId'], $videoArray['ThumbMediaId'], $videoArray['Title'], $videoArray['Description']);
      $xmlTpl =  "<xml>
              <tousername><!--[CDATA[%s]]--></tousername>
              <fromusername><!--[CDATA[%s]]--></fromusername>
              <createtime>%s</createtime>
              <msgtype><!--[CDATA[video]]--></msgtype>
              $item_str
            </xml>";
      $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
      return $result;
    }
    /* ----------------------------------通用----------------------------- */
    /**
     * 回复第三方接口消息
     */
    private function relayPart3($url, $rawData)
    {
      $headers = array("Content-Type: text/xml; charset=utf-8");
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_URL, $url);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
      curl_setopt($ch, CURLOPT_POST, 1);
      curl_setopt($ch, CURLOPT_POSTFIELDS, $rawData);
      $output = curl_exec($ch);
      curl_close($ch);
      return $output;
    }
    /**
     * 字节转Emoji表情
     */
    function bytes_to_emoji($cp)
    {
      if ($cp > 0x10000){    # 4 bytes
        return chr(0xF0 | (($cp & 0x1C0000) >> 18)).chr(0x80 | (($cp & 0x3F000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));
      }else if ($cp > 0x800){  # 3 bytes
        return chr(0xE0 | (($cp & 0xF000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));
      }else if ($cp > 0x80){  # 2 bytes
        return chr(0xC0 | (($cp & 0x7C0) >> 6)).chr(0x80 | ($cp & 0x3F));
      }else{          # 1 byte
        return chr($cp);
      }
    }
    /**
     * 日志记录
     */
    private function logger($log_content)
    {
      if (isset($_SERVER['HTTP_APPNAME'])) {  //SAE
        sae_set_display_errors(false);
        sae_debug($log_content);
        sae_set_display_errors(true);
      } else if ($_SERVER['REMOTE_ADDR'] != "127.0.0.1") { //LOCAL
        $max_size = 1000000;
        $log_filename = "mpweixin.log.xml";
        if (file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)) {
          unlink($log_filename);
        }
        file_put_contents($log_filename, date('Y-m-d H:i:s')." ".$log_content."/r/n", FILE_APPEND);
      }
    }
    /**
     * 获取access_token
     */
    private function getAccessToken()
    {
      $token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="; . $this->appid . "&secret=" . $this->secret;
      $response = $this->get_contents($token_url);
      $params = array();
      $params = json_decode($response,true);
      if (isset($params['errcode']))
      {
        echo "<h3>error:</h3>" . $params['errcode'];
        echo "<h3>msg :</h3>" . $params['errmsg'];
        exit;
      }
      return $params['access_token'];
    }
    public function get_contents($url){
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
      curl_setopt($ch, CURLOPT_URL, $url);
      $response = curl_exec($ch);
      curl_close($ch); //Cuoxin.com
      //-------请求为空
      if(emptyempty($response)){
        exit("50001");
      }
      return $response;
    }
  }
  ?>
 

(编辑:ASP站长网)

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