比较完整的微信开发php代码

<?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['echostr'];//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['signature'];//微信加密签名       $timestamp = $_GET['timestamp'];//时间戳       $nonce = $_GET['nonce'];//随机数       //二、加密/校验过程      // 1. 将token、timestamp、nonce三个参数进行字典序排序；      // bool sort ( array &$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['HTTP_RAW_POST_DATA'];       //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 'text':          //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 'image':          return $this->receiveImage($xmlObj);          break;        //接收事件推送        case 'event':          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 'subscribe':          //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 'unsubscribe':          //账号的解绑操作等等          break;        //自定义菜单推送CLICK事件        case 'CLICK':          $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 'old':                 $weixinArr = $this->history("da675ebc6a0d72920dca3f676122a693");              $weixinArr = array_slice($weixinArr, 0,5);              $newsArr = array();               foreach ($weixinArr as $item)               {                $newsArr = array(array(                          "Title" => $item['Description'],                          "Description" => $item['Title'],                          "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,$item['Title'],$item['Description'],$item['PicUrl'],$item['Url']);      }      $replyXml = "<xml>              <ToUserName><![CDATA[%s]]></ToUserName>              <FromUserName><![CDATA[%s]]></FromUserName>              <CreateTime>%s</CreateTime>              <MsgType><![CDATA[news]]></MsgType>              <ArticleCount>".count($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['error_code'] == 0)      {        return $result['result']['data'];      }      else      {        return array();      }    }     //聚合数据-获取最新趣图    public function joke_text($key,$pagesize=10)    {      $url = "http://japi.juhe.cn/joke/img/text.from?key={$key}&pagesize={$pagesize}";      $jokeArr = $this->https_request($url);      $resultArr = $jokeArr['result']['data'];      // $content = $resultArr[0]['content'];      // return $this->replyText($xmlObj,$content);             $newsArr = array();      //判断笑话接口是否获取数据      if($jokeArr['error_code'] == 0)      {        foreach($resultArr as $item)        {          $newsArr[] = array(                "Title"=>$item['content'],                "Description"=>$item['updatetime'],                "PicUrl"=>$item['url'],                "Url"=>$item['url']              );        }              }      return $newsArr;    }      //聚合数据-获取历史上的今天           public function history($key)    {      $m = idate('m');      $d = idate('d');      $day = "{$m}/{$d}";           $url = "http://v.juhe.cn/todayOnhistory/queryEvent.php?key={$key}&date={$day}";      $historyArr = $this->https_request($url);      $resultArr = $historyArr['result'];      // $content = $resultArr['title'];      // return $this->replyText($xmlObj,$content);             $newsArr = array();      //判断接口是否获取数据      if($jokeArr['error_code'] == 0)      {        foreach($resultArr as $item)        {          $newsArr[] = array(                "Title"=>$item['title'],                "Description"=>$item['date'],                "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['result'];      // $content = $resultArr['title'];      // return $this->replyText($xmlObj,$content);             $newsArr = array();      //判断接口是否获取数据      if($jokeArr['error_code'] == 0)      {        foreach($resultArr as $item)        {          $newsArr[] = array(                "Title"=>$item['day'],                "Description"=>$item['title'],                "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['errcode']))        {          //memcache缓存access_token          $this->_memcache_set("access_token",$outoptArr['access_token'],7000);          return $outoptArr['access_token'];        }      }        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);    }  }?>