Partager un code php complet de développement WeChat-Développement WeChat-php.cn

Cet article partage principalement un code php complet de développement de WeChat, qui a une certaine valeur de référence. Les amis intéressés peuvent s'y référer
Les exemples de cet article sont partagés avec tous ceux que j'ai développés. le code php pour WeChat pour votre référence. Le contenu spécifique est le suivant
<?php
  //封装成一个微信接口类
 
  class WeixinApi
  {
    private $appid;
    private $appsecret; 
 
    //构造方法 初始化赋值
    public function construct($appid="",$appsecret="")
    {
      $this->appid = $appid;
      $this->appsecret = $appsecret;
    }
 
    //验证服务器地址有效性
    public function valid()
    {
      if($this->checkSignature())
      {
        $echostr = $_GET[&#39;echostr&#39;];//随机的字符串
        return $echostr;
      }
      else
      {
        return "Error";
      }
    }
 
    //检查签名
    private function checkSignature()
    {
      //一、接收微信服务器GET方式提交过来的4个参数数据
 
      $signature = $_GET[&#39;signature&#39;];//微信加密签名
 
      $timestamp = $_GET[&#39;timestamp&#39;];//时间戳
 
      $nonce = $_GET[&#39;nonce&#39;];//随机数
 
      //二、加密/校验过程
      // 1. 将token、timestamp、nonce三个参数进行字典序排序；
      // bool sort ( array &$array [, int $sort_flags = SORT_REGULAR ] ) 对数组排序 
       
      $tmpArr = array(TOKEN,$timestamp,$nonce);//将上面三个参数放到一个数组里面
      sort($tmpArr,SORT_STRING);
 
      // 2. 将三个参数字符串拼接成一个字符串进行sha1加密；
      $tmpStr = implode($tmpArr); //将数组转化成字符串
 
      $signatureStr = sha1($tmpStr);
 
      // 3. 开发者获得加密后的字符串与signature对比。
      if($signatureStr == $signature)
      {
        return true;
      }
      else
      {
        return false;
      }
    }
 
    //响应消息
    public function responseMsg()
    {
      //接收微信服务器发送POST请求到开发者服务器，携带的XML数据包
      $postData = $GLOBALS[&#39;HTTP_RAW_POST_DATA&#39;];
 
      //处理xml数据包
      $xmlObj = simplexml_load_string($postData,"SimpleXMLElement",LIBXML_NOCDATA);
 
      if(!$xmlObj)
      {
        echo "";
        exit;
      }
 
      //获取接收消息中的参数内容
      $toUserName = $xmlObj->ToUserName;//开发者微信号
      $fromUserName = $xmlObj->FromUserName;//发送方的微信号（openid）
      $msgType = $xmlObj->MsgType;//消息类型
      switch ($msgType) {
        //接收文本消息
        case &#39;text&#39;:
          //获取文本消息的关键字
          $keyword = $this->receiveText($xmlObj); 
          //进行关键字回复
          switch($keyword)
          {
            case "w001":
            case "W001":
              return $this->replyText($xmlObj,"Hi~你好");
              break;
            case "w002":
            case "W002":
              return $this->replyText($xmlObj,"Hi~尴尬了");
              break;
            case "笑话":
              $key = "dee9ebc68fd5a61f67286063932afe56";
              return $this->replyNews($xmlObj,$this->joke_text($key));
              break;
            default:
              $key = "dee9ebc68fd5a61f67286063932afe56";
              return $this->replyNews($xmlObj,$this->joke_text($key));
              break;
          }    
          break;
        //接收图片消息
        case &#39;image&#39;:
          return $this->receiveImage($xmlObj);
          break;
        //接收事件推送
        case &#39;event&#39;:
          return $this->receiveEvent($xmlObj);
          break;
      }      
    }
 
    //接收事件推送
    public function receiveEvent($obj)
    {
      //接收事件类型
      $event = $obj->Event;
      switch ($event)
      {
        //关注事件
        case &#39;subscribe&#39;:
          //下发欢迎消息
          $newsArr = array(
                  array(
                    "Title"=>"做有价值的头条资讯！",
                    "Description"=>"把握价值头条资讯，日常更加有谈资呢！",
                    "PicUrl"=>"http://jober.applinzi.com/news/img/news.png",
                    "Url"=>"http://jober.applinzi.com/news/index.php"
                  )                
                );
          //回复图文消息
          return $this->replyNews($obj,$newsArr); 
          break;
        //取消关注事件
        case &#39;unsubscribe&#39;:
          //账号的解绑操作等等
          break;
        //自定义菜单推送CLICK事件
        case &#39;CLICK&#39;:
          $eventKey = $obj->EventKey;//获取事件KEY值，与自定义菜单接口中KEY值对应
          switch ($eventKey) 
          {
            case &#39;old&#39;:
   
              $weixinArr = $this->history("da675ebc6a0d72920dca3f676122a693");
              $weixinArr = array_slice($weixinArr, 0,5);
              $newsArr = array();
 
              foreach ($weixinArr as $item) 
              {
                $newsArr = array(array(
                          "Title" => $item[&#39;Description&#39;],
                          "Description" => $item[&#39;Title&#39;],
                          "PicUrl" => "http://1.jober.applinzi.com/news/img/2.jpg",
                          "Url" => "http://www.todayonhistory.com/"                          
                        ));
              }
              return $this->replyNews($obj,$newsArr);
              break;
          }
        break;
      }
    }
 
    //接收文本消息
    public function receiveText($obj)
    {
      $content = trim($obj->Content);//文本消息的内容
      return $content;
    }
 
    //接收图片消息
    public function receiveImage($obj)
    {
      $picUrl = $obj->PicUrl;//图片的链接
      $mediaId = $obj->MediaId;//图片消息媒体id
      return $this->replyImage($obj,$mediaId);
    }
 
    //回复图片消息
    public function replyImage($obj,$mediaId)
    {
      $replyXml = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[image]]></MsgType>
              <Image>
                <MediaId><![CDATA[%s]]></MediaId>
              </Image>
            </xml>";
      return sprintf($replyXml,$obj->FromUserName,$obj->ToUserName,time(),$mediaId);
           
    }
 
    //回复文本消息
    public function replyText($obj,$content)
    {
      $replyXml = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[text]]></MsgType>
              <Content><![CDATA[%s]]></Content>
            </xml>";
      return sprintf($replyXml,$obj->FromUserName,$obj->ToUserName,time(),$content);
    }
     
    //回复图文消息
    public function replyNews($obj,$newsArr)
    {
      //判断是否为数组类型
      if(!is_array($newsArr))
      {
        return;
      }
      // 判断数组是否为空数组
      if(!$newsArr)
      {
        return;
      }
      $itemStr = "";
      //定义item模板
      $itemXml = "<item>
              <Title><![CDATA[%s]]></Title> 
              <Description><![CDATA[%s]]></Description>
              <PicUrl><![CDATA[%s]]></PicUrl>
              <Url><![CDATA[%s]]></Url>
            </item>";
      foreach($newsArr as $item)
      {
        $itemStr .= sprintf($itemXml,$item[&#39;Title&#39;],$item[&#39;Description&#39;],$item[&#39;PicUrl&#39;],$item[&#39;Url&#39;]);
      }
      $replyXml = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[news]]></MsgType>
              <ArticleCount>".count($newsArr)."</ArticleCount>
              <Articles>".$itemStr."</Articles>
            </xml>"; 
      return sprintf($replyXml,$obj->FromUserName,$obj->ToUserName,time());     
    }
 
    //封装https请求（GET和POST）
   
    protected function https_request($url,$data=null)
    {
      //1、初始化curl
      $ch = curl_init();
 
      //2、设置传输选项
      curl_setopt($ch, CURLOPT_URL, $url);//请求的url地址
      curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);//将请求的结果以文件流的形式返回
       
      if(!empty($data))
      {
        curl_setopt($ch,CURLOPT_POST,1);//请求POST方式
        curl_setopt($ch,CURLOPT_POSTFIELDS,$data);//POST提交的内容
      }
 
      //3、执行请求并处理结果
      $outopt = curl_exec($ch);
 
      //把json数据转化成数组
      $outoptArr = json_decode($outopt,TRUE);
 
      //4、关闭curl
      curl_close($ch);
 
      //如果返回的结果$outopt是json数据，则需要判断一下
      if(is_array($outoptArr))
      {  
        return $outoptArr;
      }
      else
      {
        return $outopt;
      }      
    }
 
    public function juhe_weixin($key,$type)
    {
      $url ="http://v.juhe.cn/toutiao/index?type={$type}&key={$key}";
      $result = $this->https_request($url);
      if($result[&#39;error_code&#39;] == 0)
      {
        return $result[&#39;result&#39;][&#39;data&#39;];
      }
      else
      {
        return array();
      }
    }
 
    //聚合数据-获取最新趣图
    public function joke_text($key,$pagesize=10)
    {
      $url = "http://japi.juhe.cn/joke/img/text.from?key={$key}&pagesize={$pagesize}";
      $jokeArr = $this->https_request($url);
      $resultArr = $jokeArr[&#39;result&#39;][&#39;data&#39;];
      // $content = $resultArr[0][&#39;content&#39;];
      // return $this->replyText($xmlObj,$content);
       
      $newsArr = array();
      //判断笑话接口是否获取数据
      if($jokeArr[&#39;error_code&#39;] == 0)
      {
        foreach($resultArr as $item)
        {
          $newsArr[] = array(
                "Title"=>$item[&#39;content&#39;],
                "Description"=>$item[&#39;updatetime&#39;],
                "PicUrl"=>$item[&#39;url&#39;],
                "Url"=>$item[&#39;url&#39;]
              );
        }        
      }
      return $newsArr;
    }
 
 
    //聚合数据-获取历史上的今天
       
    public function history($key)
    {
      $m = idate(&#39;m&#39;);
      $d = idate(&#39;d&#39;);
      $day = "{$m}/{$d}";
     
      $url = "http://v.juhe.cn/todayOnhistory/queryEvent.php?key={$key}&date={$day}";
      $historyArr = $this->https_request($url);
      $resultArr = $historyArr[&#39;result&#39;];
      // $content = $resultArr[&#39;title&#39;];
      // return $this->replyText($xmlObj,$content);
       
      $newsArr = array();
      //判断接口是否获取数据
      if($jokeArr[&#39;error_code&#39;] == 0)
      {
        foreach($resultArr as $item)
        {
          $newsArr[] = array(
                "Title"=>$item[&#39;title&#39;],
                "Description"=>$item[&#39;date&#39;],
                "PicUrl"=>"",
                "Url"=>""
              );
        }        
      }
      return $newsArr;
    }
 
    public function fund($key)
    {
 
      $url = "http://japi.juhe.cn/jingzhi/query.from?key={$key}";
      $fundArr = $this->https_request($url);
      $resultArr = $fundArr[&#39;result&#39;];
      // $content = $resultArr[&#39;title&#39;];
      // return $this->replyText($xmlObj,$content);
       
      $newsArr = array();
      //判断接口是否获取数据
      if($jokeArr[&#39;error_code&#39;] == 0)
      {
        foreach($resultArr as $item)
        {
          $newsArr[] = array(
                "Title"=>$item[&#39;day&#39;],
                "Description"=>$item[&#39;title&#39;],
                "PicUrl"=>"",
                "Url"=>"http://www.baidu.com"
              );
        }        
      }
      return $newsArr;
    }
 
    /**
      *获取基础支持里面的接口调用凭证access_token并缓存access_token
      *@return access_token string 接口凭证
    **/
    public function getAccessToken()
    {
      //获取memcache缓存的access_token
      $access_token = $this->_memcache_get("access_token");
      //如果缓存的access_token失效
      if(!$access_token)
      {  
        //如果失效调用获取接口凭证来获取access_token
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appid}&secret={$this->appsecret}";
        $outoptArr = $this->https_request($url);
        if(!isset($outoptArr[&#39;errcode&#39;]))
        {
          //memcache缓存access_token
          $this->_memcache_set("access_token",$outoptArr[&#39;access_token&#39;],7000);
          return $outoptArr[&#39;access_token&#39;];
        }
      }  
      return $access_token;
    }
 
    //初始化memcache
    private function _memcache_init()
    {
      $mmc = new Memcache;
      $ret = $mmc -> connect();
      if ($ret == false) 
      {
        return;
      } 
      return $mmc;
    }
 
    //设置memcache
    private function _memcache_set($key,$value,$time=0)
    {
      $mmc = $this->_memcache_init();
      $mmc -> set($key,$value,0,$time);
    }
 
    //获取memcahce
    private function _memcache_get($key)
    {
      $mmc = $this->_memcache_init(); 
      return $mmc -> get($key);  
    }
 
    //自定义菜单创建
 
    public function menu_create($data)
    {
      $access_token = $this->getAccessToken();
      //自定义菜单创建接口地址
      $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={$access_token}";
      return $this->https_request($url,$data);
    }
 
    //自定义菜单删除
    public function menu_delete()
    {
      $access_token = $this->getAccessToken();
      $url = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={$access_token}";
      return $this->https_request($url);
    }
  }
?>
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