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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

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这篇文章主要介绍了PHP封装的微信公众平台接口开发操作类,结合完整实例形式分析了php微信开发所涉及的配置、验证、接收、响应、文本、语音、图片等相关操作技巧,需要的朋友可以参考下

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;      } 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()  {    $postStr = file_get_contents("php://input");    if (!empty($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";        $content .= (!empty($object->EventKey)) ? ("\n来自二维码场景".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));          $codeValue = https://www.jb51.net/article/$codeinfo[1];"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($object->Recognition) && !empty($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) || empty($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 = "<Image>            <MediaId><![CDATA[%s]]></MediaId>          </Image>";    $item_str = sprintf($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($ch);    //-------请求为空    if(empty($response)){      exit("50001");    }    return $response;  }}?> 
        
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