微信公衆號開發與應用|調用api查詢熱門電影

需求場景：
q：小李想要去看電影，但又不知道看什麼？這就需要看看最近有哪些好看的電影呢？
a：打開公衆號，關注即可查看最新熱門電影。

<?php
/**
  * wechat php test
  */
//define your token
header("Content-type:text/html;charset=utf-8");
define("TOKEN", "weixin");
配置header 頭，數據類型，token驗證來源是否擁有權限。

$res = json_decode(file_get_contents("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx1d7c6fcd613e43b3&secret=8a20b454c4d24bef8ed69168c0c2aa67"),true);
// 請求解碼token獲取access_token
$access_token = $res['access_token'];
// var_dump($access_token);exit;


$wechatObj = new wechatCallbackapiTest();
//$wechatObj->valid();
$wechatObj->responseMsg();
// 測試api
class wechatCallbackapiTest
{
	public function valid()
    {
        $echoStr = $_GET["echostr"];

        //valid signature , option
        if($this->checkSignature()){
        	echo $echoStr;
        	exit;
        }
    }
// 響應對象
    public function responseMsg()
    {
		//get post data, May be due to the different environments
		$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

      	//extract post data 解壓轉換爲xml數據格式
		if (!empty($postStr)){
                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                   the best way is to check the validity of xml by yourself */
                libxml_disable_entity_loader(true);
              	$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                $fromUsername = $postObj->FromUserName;
                $toUsername = $postObj->ToUserName;
                $keyword = trim($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>";

				// 根據不同事件類型，回覆不同的消息，關注回覆             
				if($postObj->MsgType =="event"&&$postObj->Event=="subscribe"){
					$msgType = 'text';
					$cont = '歡迎關注';
					echo sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType,$cont);

				// 圖片回覆
				}elseif($postObj->MsgType =="image"){
					$msgType = 'text';
					//$cont = '你長得真好看';
					$cont= '共檢測到';
					$appkey = "94a0805ac661a31196e2e3e50c0df7d5";
					$secret	= "utuC5iUZWr8xdjXy_PtMPhKeEbRtXTno";

					$pic = $postObj->PicUrl;


					$api = "http://apicn.faceplusplus.com/v2/detection/detect?api_key={$appkey}&api_secret={$secret}&url={$pic}&attribute=glass,pose,gender,age,race,smiling";
					$rs =json_decode(file_get_contents($api),true);
					$rs = $rs['face'];
					$count = count($rs);//人臉的數量
					$cont = '共檢測到'.$count."個人，分別是";
	// 人臉檢測，並識別年齡
					foreach ($rs as $f) {
						$gender = $f['attribute']['gender']['value'];
						if($gender=='Male'){
							$gender='男性--';
						}else{
							$gender='女性--';
						}

						$age = $f['attribute']['age']['value'].'歲';
						$cont = $cont.$gender.$age;
						
					}

					//echo $message;
					echo sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType,$cont);
				//音樂回覆

				}elseif($keyword=='音樂'){
							$textTpl="<xml>
									<ToUserName><![CDATA[%s]]></ToUserName>
									<FromUserName><![CDATA[%s]]></FromUserName>
									<CreateTime>%s</CreateTime>
									<MsgType><![CDATA[%s]]></MsgType>
									<Music>
									<Title><![CDATA[%s]]></Title>
									<Description><![CDATA[%s]]></Description>
									<MusicUrl><![CDATA[%s]]></MusicUrl>
									<HQMusicUrl><![CDATA[%s]]></HQMusicUrl>
									</Music>
									</xml>";
									$msgType = 'music';
									$title="mmmm";
									$desc="一首好聽的音樂";
									
									$url = "http://chenkaixuan.com/wechat/YoungRisingSons-High.mp3";
							$msgType = 'news';
							$title="默認標題";
							$desc="信息描述";
							
							
					echo sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType,$title,$desc,$url,$url);

				//回覆圖片
							
				}
				elseif($keyword=='圖片消息'){
							$textTpl="<xml>
										<ToUserName><![CDATA[%s]]></ToUserName>
										<FromUserName><![CDATA[%s]]></FromUserName>
										<CreateTime>%s</CreateTime>
										<MsgType><![CDATA[%s]]></MsgType>
										<Image>
										<MediaId><![CDATA[%s]]></MediaId>
										</Image>
										</xml>";
									$msgType = 'image';
									$title="mmmm";
									$desc="一首好聽的音樂";
									
									$url = "http://chenkaixuan.com/wechat/YoungRisingSons-High.mp3";
							$msgType = 'news';
							$title="默認標題";
							$desc="信息描述";
							
							
					echo sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType,$title,$desc,$url,$url);
							
				}
				//地理位置回覆

				elseif($postObj->MsgType =="location"){
					$msgType = 'text';
					$jd=$postObj->Location_Y;
					$wd=$postObj->Location_X;
					$res = json_decode(file_get_contents("http://api.map.baidu.com/telematics/v3/movie?qt=hot_movie&location={$jd},{$wd}&ak=RpDvOBdte5dyLXYRpAzc0EDHgugAPDuI&output=json"),true);

					//var_dump($res['result']['movie']);exit;
					$c='';
					foreach ($res['result']['movie'] as $v) {
						$c.=$v['movie_name']."\n\r";
					}
					$cont=$c;
					echo sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType,$cont);
				}elseif($keyword=='圖文消息'){
					$msgTpl = "<xml>
								<ToUserName><![CDATA[%s]]></ToUserName>
								<FromUserName><![CDATA[%s]]></FromUserName>
								<CreateTime>%s</CreateTime>
								<MsgType><![CDATA[%s]]></MsgType>
								<ArticleCount>%s</ArticleCount>
								<Articles>
								<item>
								<Title><![CDATA[%s]]></Title> 
								<Description><![CDATA[%s]]></Description>
								<PicUrl><![CDATA[%s]]></PicUrl>
								<Url><![CDATA[%s]]></Url>
								</item>
								</Articles>
								</xml>";
					echo sprintf($msgTpl, $fromUsername, $toUsername, $time, 'news',1,'測試標題','描述描述描述','http://chenkaixuan.com/wechat/pic.jpg','http://chenkaixuan.com/');			
				}elseif(!empty( $keyword )){
					if($keyword=='天氣'){
						$contentStr = "今天天氣不錯!";	
					}elseif($keyword=='快遞'){
						$contentStr = "快遞運輸中!";	
					}else{
						$contentStr = "不知道你在說什麼!";
					}
              		$msgType = "text";
                	//$contentStr = "Welcome to wechat world!";
                	$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                	echo $resultStr;
                }else{
                	echo "Input something...";
                }
			

        }else {
        	echo "";
        	exit;
        }
    }
		// 檢測簽名
	private function checkSignature()
	{
        // you must define TOKEN by yourself
        if (!defined("TOKEN")) {
            throw new Exception('TOKEN is not defined!');
        }
        
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];
        		
		$token = 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;
		}
	}
}



// 創建公衆號菜單
function createMenu($data){
	$ch = curl_init();
	curl_setopt($ch,CURLOPT_URL,"https://api.weixin.qq.com/cgi-bin/menu/create?".$access_token);
	curl_setopt($ch,CURLOPT_CUSTOMERQUEST,"POST");
	curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
	curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
	curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
	curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
	curl_setopt($ch,CURL_AUTOREFERER,1);
	curl_setopt($ch,CURLOPT_POSTFIELDS,$data);
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);

	$tmpInfo = curl_exec($ch);
	if(curl_errno($ch)){
		return curl_error($ch);
	}
	curl_close($ch);
	return $tmpInfo;
}
// 獲取菜單
function getMenu(){
	return file_get_contents("https://api.weixin.qq.com/cgi-bin/menu/get?".$access_token);
}
// 刪除菜單
function deleteMenu(){
	return file_get_contents("https://api.weixin.qq.com/cgi-bin/menu/delete?".$access_token);
}
// 自定義菜單的json格式數據，需要用單引號包含在裏面
$data = '{
    "button": [
        {
            "type": "click", 
            "name": "56565歌曲", 
            "key": "V1001_TODAY_MUSIC"
        }, 
        {
            "name": "菜單", 
            "sub_button": [
                {
                    "type": "view", 
                    "name": "搜索", 
                    "url": "http://weidian.com/?userid=337883018&wfr=wx_profile"
                }, 
                {
                    "type": "view", 
                    "name": "視頻", 
                    "url": "http://v.qq.com/"
                }, 
                {
                    "type": "click", 
                    "name": "贊一1下我們", 
                    "key": "V1001_GOOD"
                }
            ]
        }
    ]
}';
echo createMenu($data);
?>