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HomeWeChat AppletWeChat DevelopmentRecommended video tutorial resources for WeChat public platform development by Chuanzhi and Dark Horse

WeChat public platform is a new service platform that provides business services and user management capabilities to individuals, enterprises and organizations. The WeChat public platform mainly includes real-time communication, message sending and material management. Users can group and manage fans of public accounts and communicate in real time. They can also use advanced functions - editing mode and development mode to automatically reply to user information. "Chuangzhi and Dark Horse WeChat Public Platform Development Video Tutorial" is a WeChat public platform development video tutorial jointly produced by Chuanzhi Podcast and Dark Horse Programmers.

Recommended video tutorial resources for WeChat public platform development by Chuanzhi and Dark Horse

Course playback address: http://www.php.cn/course/320.html

The teacher’s teaching style:

The lectures are friendly and natural, unpretentious, not pretentious, nor deliberately exaggerated, but talk eloquently and carefully, and the relationship between teachers and students is In an atmosphere of equality, collaboration, and harmony, silent emotional exchanges are carried out, and the desire and exploration of knowledge are integrated into simple and real teaching situations. Students gain knowledge through quiet thinking and silent approval

The more difficult point in this video is the analysis of the WeChat API interface:

WeChat entrance binding, WeChat event processing, and all WeChat API operations are included in these files.
WeChat payment, WeChat red envelope, WeChat card and coupon, WeChat store.

1. index.php

<?php
include_once &#39;lib.inc.php&#39;;
  
$wcObj = new WeChat("YOUKUIYUAN");
$wcObj->wcValid();

2. WeChat entry class

<?php
/**
 * Description of wechat
 *
 * @author Administrator
 */
class WeChat extends WxApi{
  public $token = "";
  //put your code here
  public function __construct($token = "") {
    parent::__construct();
    $this->token = $token;
  }
  
  public function wcCheckSignature(){
    try{
      if (empty($this->token)) {
        throw new Exception(&#39;TOKEN is not defined!&#39;);
      }
        
      $signature = $_GET["signature"];
      $timestamp = $_GET["timestamp"];
      $nonce = $_GET["nonce"];
          
      $token = $this->token;
      $tmpArr = array($token, $timestamp, $nonce);
      // use SORT_STRING rule
      sort($tmpArr, SORT_STRING);
      $tmpStr = implode( $tmpArr );
      $tmpStr = sha1( $tmpStr );
  
      if( $tmpStr == $signature ){
          return true;
      }else{
          return false;
      }
    } 
    catch (Exception $e) {
      echo &#39;Message: &#39; .$e->getMessage();
    }
  }
    
  public function wcValid(){
    $echoStr = isset($_GET["echostr"]) && !empty($_GET["echostr"]) ? addslashes($_GET["echostr"]) : NULL;
    if(is_null($echoStr)){
      $this->wcMsg();
    }
    else{
      //valid signature , option
      if($this->wcCheckSignature()){
        echo $echoStr;
        exit;
      }
      else{
        exit();
      }
    }
  }
    
  public function wcMsg(){
    //get post data, May be due to the different environments
    $postStr = isset($GLOBALS["HTTP_RAW_POST_DATA"]) && !empty($GLOBALS["HTTP_RAW_POST_DATA"]) ? $GLOBALS["HTTP_RAW_POST_DATA"] : "";
    if(!empty($postStr)){
      libxml_disable_entity_loader(true);
      $postObj = simplexml_load_string($postStr, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA);
      $this->zcLog(TRUE,$postObj);
        
      $fromUsername = $postObj->FromUserName;
      $toUsername = $postObj->ToUserName;
      $MsgType = $postObj->MsgType;
        
      if($MsgType == &#39;event&#39;){//执行事件相应
        $Event = $postObj->Event;
        switch ($Event) {
          case &#39;subscribe&#39;://关注
            break;
          case &#39;unsubscribe&#39;://取消关注
            break;
          case &#39;SCAN&#39;://扫描
            break;
          case &#39;LOCATION&#39;://地址
            break;
          case &#39;CLICK&#39;://点击时间
            break;
          case &#39;VIEW&#39;://跳转
            break;
          case &#39;card_pass_check&#39;://卡券审核通过
            break;
          case &#39;card_not_pass_check&#39;://卡券审核失败
            break;
          case &#39;user_get_card&#39;://用户领取卡券
            break;
          case &#39;user_del_card&#39;://用户删除卡券
            break;
          case &#39;user_view_card&#39;://用户浏览会员卡
            break;
          case &#39;user_consume_card&#39;://用户核销卡券
            break;
          case &#39;merchant_order&#39;://微小店用户下单付款
            break;
          default:
            break;
        }
      }
      else{
        switch ($MsgType) {
          case &#39;text&#39;://文本格式
            break;
          case &#39;image&#39;://图片格式
            break;
          case &#39;voice&#39;://声音
            break;
          case &#39;video&#39;://视频
            break;
          case &#39;shortvideo&#39;://小视频
            break;
          case &#39;location&#39;://上传地理位置
            break;
          case &#39;link&#39;://链接相应
            break;
          default:
            break;
        }        
      }
        
      ////////////////////////////////////////////////////////////////////
      $keyword = trim($postObj->Content);
      $time = time();
      $textTpl = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[%s]]></MsgType>
              <Content><![CDATA[%s]]></Content>
              <FuncFlag>0</FuncFlag>
            </xml>";       
      if(!empty( $keyword )){
        $msgType = "text";
        $contentStr = "Welcome to wechat world!";
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
        echo $resultStr;
      }
      else{
        echo "Input something...";
      }
      ////////////////////////////////////////////////////////////////////
    }
    else{
      echo "暂时没有任何信息!";
      exit;
    }
  }
    
  //日志LOG
  public function zcLog($errcode , $errmsg){
    $this->returnAy = array();
    $this->returnAy[&#39;errcode&#39;] = $errcode;
    $this->returnAy[&#39;errmsg&#39;] = $errmsg;
    $this->returnAy[&#39;errtime&#39;] = date("Y-m-d H:i:s",time());
    $logfile = fopen("logfile_".date("Ymd",time()).".txt", "a+");
    $txt = json_encode($this->returnAy)."\n";
    fwrite($logfile, $txt);
    fclose($logfile);
    //return $this->returnAy;
  }
    
}

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