微信公众平台开发入门--php，实现自动回复文本，图文，点击事件
一页代码实现微信基本回复和点击事件功能，部署上去sae或者bae，妥妥的基本免费的服务器
不懂代码都基本每个人都可以做自己的微信公众号了
valid();}else{ //回复消息 $wechatobj->responsemsg();}class wechatcallbackapitest{ public function valid() { $echostr = $_get[echostr]; if($this->checksignature()){ echo $echostr; exit; } } private function checksignature() { $signature = $_get[signature]; $timestamp = $_get[timestamp]; $nonce = $_get[nonce]; $token = token; $tmparr = array($token, $timestamp, $nonce); sort($tmparr); $tmpstr = implode( $tmparr ); $tmpstr = sha1( $tmpstr ); if( $tmpstr == $signature ){ return true; }else{ return false; } } //回复消息 public function responsemsg() { $poststr = $globals[http_raw_post_data]; if (!empty($poststr)){ $postobj = simplexml_load_string($poststr, 'simplexmlelement', libxml_nocdata); $rx_type = trim($postobj->msgtype); switch ($rx_type) { case text: $resultstr = $this->receivetext($postobj); break; case image: $resultstr = $this->receiveimage($postobj); break; case location: $resultstr = $this->receivelocation($postobj); break; case voice: $resultstr = $this->receivevoice($postobj); break; case video: $resultstr = $this->receivevideo($postobj); break; case link: $resultstr = $this->receivelink($postobj); break; case event: $resultstr = $this->receiveevent($postobj); break; default: $resultstr = unknow msg type: .$rx_type; break; } echo $resultstr; }else { echo ; exit; } } //接收文本消息 private function receivetext($object) { $keyword = trim($object->content); $url = http://api100.duapp.com/movie/?appkey=diy_miaomiao&name=.$keyword; $output = file_get_contents($url,$keyword); $contentstr = json_decode($output, true); if (is_array($contentstr)){ $resultstr = $this->transmitnews($object, $contentstr); }else{ $resultstr = $this->transmittext($object, $contentstr); } return $resultstr; } //接收事件，关注等 private function receiveevent($object) { $contentstr = ; switch ($object->event) { case subscribe: $contentstr = 你关注了我; //关注后回复内容 break; case unsubscribe: $contentstr = ; break; case click: $contentstr = $this->receiveclick($object); //点击事件 break; default: $contentstr = receive a new event: .$object->event; break; } return $contentstr; } //接收图片 private function receiveimage($object) { $contentstr = 你发送的是图片，地址为：.$object->picurl; $resultstr = $this->transmittext($object, $contentstr); return $resultstr; } //接收语音 private function receivevoice($object) { $contentstr = 你发送的是语音，媒体id为：.$object->mediaid; $resultstr = $this->transmittext($object, $contentstr); return $resultstr; } //接收视频 private function receivevideo($object) { $contentstr = 你发送的是视频，媒体id为：.$object->mediaid; $resultstr = $this->transmittext($object, $contentstr); return $resultstr; } //位置消息 private function receivelocation($object) { $contentstr = 你发送的是位置，纬度为：.$object->location_x.；经度为：.$object->location_y.；缩放级别为：.$object->scale.；位置为：.$object->label; $resultstr = $this->transmittext($object, $contentstr); return $resultstr; } //链接消息 private function receivelink($object) { $contentstr = 你发送的是链接，标题为：.$object->title.；内容为：.$object->description.；链接地址为：.$object->url; $resultstr = $this->transmittext($object, $contentstr); return $resultstr; }  //点击菜单消息    private function receiveclick($object)    {         switch ($object->eventkey)         {             case 1:             $contentstr = 猫咪酱个性diy服装，我们专业定制个性【班服，情侣装，亲子装等，有长短t恤，卫衣，长短裤】 来图印制即可，给你温馨可爱的ta，有事可直接留言微信;             break;                          case 2:             $contentstr = 你点击了菜单: .$object->eventkey;             break;                          case 3:             $contentstr = 是傻逼;             break;                          default:             $contentstr = 你点击了菜单: .$object->eventkey;             break;         }                        //两种回复        if (is_array($contentstr)){            $resultstr = $this->transmitnews($object, $contentstr);        }else{            $resultstr = $this->transmittext($object, $contentstr);        }        return  $resultstr;    }                                                        //回复文本消息    private function transmittext($object, $content)    {        $texttpl =                         %s                        ;        $resultstr = sprintf($texttpl, $object->fromusername, $object->tousername, time(), $content);        return $resultstr;    }
                        //回复图文    private function transmitnews($object, $arr_item)    {        if(!is_array($arr_item))            return;
        $itemtpl =                                          ;        $item_str = ;        foreach ($arr_item as $item)            $item_str .= sprintf($itemtpl, $item['title'], $item['description'], $item['picurl'], $item['url']);
        $newstpl =                         %s                        %s                $item_str        ;
        $resultstr = sprintf($newstpl, $object->fromusername, $object->tousername, time(), count($arr_item));        return $resultstr;    }            //音乐消息    private function transmitmusic($object, $musicarray, $flag = 0)    {        $itemtpl =                                         ;
        $item_str = sprintf($itemtpl, $musicarray['title'], $musicarray['description'], $musicarray['musicurl'], $musicarray['hqmusicurl']);
        $texttpl =                         %s                $item_str        %d        ;
        $resultstr = sprintf($texttpl, $object->fromusername, $object->tousername, time(), $flag);        return $resultstr;    }            }?>