微信公众平台天气预报功能开发

//图文信息2 for 天气【这是微信的图文信息模板】
  $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>
<item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>
</Articles>
</xml> ";//最后发现最多只能看到五个item= =无语。。。

if(substr_count($keyword,'天气')!=0 && $keyword!='天气')
  { 
   $geshu = substr_count($keyword,'天气');
   $t = explode("天气",$keyword);
   
   for($i=0;$i<=$geshu;$i++)
   {
    if($t[$i]!='')
    {
    $city = $t[$i];
    break;
    }
    
   }
   $mykey = "【这里换成你的API key】";
   $url = "http://api.map.baidu.com/telematics/v3/weather".$city."&output=json&ak=".$mykey;
   $output = file_get_contents($url);
   $contentStr = json_decode($output, true);
   
   if($contentStr['status']=='success')
   {
    
    $T[0]['Title']=$contentStr['date']." ".$contentStr['results'][0]['currentCity']."天气";
//$T[0]['PicUrl']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
//$T[0]['Url']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
    //上面两行可以设成你想要的顶部图片
    if(is_array($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'].") ".$contentStr['results'][0]['index'][0]['des'];
    //下一行是洗车指数，感觉不对主题还是不要的好。。
    //$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'];
    $T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][2]['title']."】(".$contentStr['results'][0]['index'][2]['zs'].") ".$contentStr['results'][0]['index'][2]['des'];
    }
    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++;
    }
    
    $tianqi = sprintf($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 $tianqi;
   }
 
  }