註冊百度天氣api

php程式

ask-weather.php，注意程式中需換上你自己的token和key

<?php
/**
  * 查詢天氣 輸入城市名稱比如：北京，即可返回天氣資訊
  */

//define your token
define("TOKEN", "******");//換上你自己的token
$wechatObj = new wechatCallbackapiTest();
if (!isset($_GET['echostr'])) {
    $wechatObj->responseMsg();
}else{
    $wechatObj->valid();
}
class wechatCallbackapiTest
{
    public function valid()
    {
        $echoStr
 
 = $_GET["echostr"];

        //valid signature , option
        if($this->checkSignature()){
            echo $echoStr;
            exit;
        }
    }

    public function responseMsg()
    {
        //get post data, May be due to the different environments
            $postStr = $GLOBALS["HTTP_RAW_POST_DATA"
 
];

        //extract post data
            if (!empty($postStr)){
                //解析資料
                $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                //傳送訊息方ID
                $fromUsername = $postObj->FromUserName;
                //接收訊息方ID
                $toUsername
 
 = $postObj->ToUserName;
                //訊息型別
                $form_MsgType = $postObj->MsgType;
                $keyword = trim($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>";    
                $tqTpl = "<xml>
                            <ToUserName><![CDATA[%s]]></ToUserName>
                            <FromUserName><![CDATA[%s]]></FromUserName>
                            <CreateTime>%s</CreateTime>
                            <MsgType><![CDATA[%s]]></MsgType>
                            <ArticleCount>5</ArticleCount>
                            <Articles>
                            <item>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <PicUrl><![CDATA[%s]]></PicUrl>
                            <Url><![CDATA[%s]]></Url>
                            </item>
                            <item>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <PicUrl><![CDATA[%s]]></PicUrl>
                            <Url><![CDATA[%s]]></Url>
                            </item>
                            <item>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <PicUrl><![CDATA[%s]]></PicUrl>
                            <Url><![CDATA[%s]]></Url>
                            </item>
                            <item>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <PicUrl><![CDATA[%s]]></PicUrl>
                            <Url><![CDATA[%s]]></Url>
                            </item>
                            <item>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <PicUrl><![CDATA[%s]]></PicUrl>
                            <Url><![CDATA[%s]]></Url>
                            </item>
                            </Articles>
                            </xml> ";

                //事件訊息
                if ($form_MsgType == "text") {
                    //獲取使用者傳送的文字內容
                    $city = trim($postObj->Content);
                                        if (!empty($city)){
                           $mykey = "**************************";//換上你自己的key
                           $url = "http://api.map.baidu.com/telematics/v3/weather?location=".$city."&output=json&ak=".$mykey;
                           $output = file_get_contents($url);
                           $contentStr = json_decode($output, true);

                           if($contentStr['status']=='success')
                           {

                                $T[0]['Title']=$contentStr['date']." ".$contentStr['results'][0]['currentCity']."天氣";
                            //$T[0]['PicUrl']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
                            //$T[0]['Url']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
                                //上面兩行可以設成你想要的頂部圖片
                                if(is_array($contentStr['results'][0]['index']))
                                {
                                    $T[2]['Title']="【pm2.5】".$contentStr['results'][0]['pm25']."\n"."【".$contentStr['results'][0]['index'][0]['title']."】"."(".$contentStr['results'][0]['index'][0]['zs'].") ".$contentStr['results'][0]['index'][0]['des'];
                                    //下一行是洗車指數，感覺不對主題還是不要的好。。
                                    //$T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][1]['title']."】(".$contentStr['results'][0]['index'][1]['zs'].") ".$contentStr['results'][0]['index'][1]['des'];
                                    //下一行是感冒指數
                                    $T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][2]['title']."】(".$contentStr['results'][0]['index'][2]['zs'].") ".$contentStr['results'][0]['index'][2]['des'];
                                    //下一行是運動指數
                                    $T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][3]['title']."】(".$contentStr['results'][0]['index'][3]['zs'].") ".$contentStr['results'][0]['index'][3]['des'];
                                    //下一行是紫外線指數
                                    $T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][4]['title']."】(".$contentStr['results'][0]['index'][4]['zs'].") ".$contentStr['results'][0]['index'][4]['des'];
                                }
                                else
                                $guowai=1;
                                for($i=1,$aaa=0;$i<=5;$i++)
                                {
                                    if($i==2 && $guowai!=1)
                                     continue;
                                    if($guowai==1 && $i==5)
                                     continue;
                                    $T[$i]['Title']=$contentStr['results'][0]['weather_data'][$aaa]['date']." ".$contentStr['results'][0]['weather_data'][$aaa]['temperature']." ".$contentStr['results'][0]['weather_data'][$aaa]['weather']." ".$contentStr['results'][0]['weather_data'][$aaa]['wind'];
                                    $T[$i]['PicUrl']=$contentStr['results'][0]['weather_data'][$aaa]['dayPictureUrl'];
                                    $T[$i]['Url']=$contentStr['results'][0]['weather_data'][$aaa]['dayPictureUrl'];
                                    $aaa++;
                                }

                                $resultStr = sprintf($tqTpl,$fromUsername,$toUsername,time(),"news",$T[0]['Title'],$T[0]['Description'],$T[0]['PicUrl'],$T[0]['Url'], $T[1]['Title'],$T[1]['Description'],$T[1]['PicUrl'],$T[1]['Url'], $T[2]['Title'],$T[2]['Description'],$T[2]['PicUrl'],$T[2]['Url'], $T[3]['Title'],$T[3]['Description'],$T[3]['PicUrl'],$T[3]['Url'], $T[4]['Title'],$T[4]['Description'],$T[4]['PicUrl'],$T[4]['Url'],$T[5]['Title'],$T[5]['Description'],$T[5]['PicUrl'],$T[5]['Url']);
                                //echo $resultStr;
                           }
                    }

                        echo $resultStr;
                        exit;


                    //事件訊息
                }elseif($form_MsgType=="event")
                  {
                    //獲取事件型別
                    $form_Event = $postObj->Event;
                    //訂閱事件
                    if($form_Event=="subscribe")
                    {
                      //回覆歡迎文字訊息
                      $msgType = "text";
                      $contentStr = "感謝您關注Super King的天氣查詢公眾號[玫瑰]。請輸入要查詢的城市名稱，比如：北京";
                      $resultStr = sprintf($textTpl, $fromUsername, $toUsername, time(), $msgType, $contentStr);
                      echo $resultStr;
                      exit;
                    }    
                  }

      }else {
            echo "";
            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;
        }
    }
}

?>

測試效果