微信公众平台开发之天气预报功能

responseMsg(); }else{ $wechatObj->valid(); } class wechatCallbackapiTest { //验证签名 public function valid() { $echoStr = $_GET["echostr"]; $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){ echo $echoStr; exit; } } public function responseMsg() { // $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; $postStr = file_get_contents("php://input"); if (!empty($postStr)){ $this->logger("R ".$postStr); $postObj = simplexml_load_string($postStr,'SimpleXMLElement',LIBXML_NOCDATA); $RX_TYPE = trim($postObj->MsgType); $result = ""; switch ($RX_TYPE) { case "event": $result = $this->receiveEvent($postObj); break; case "text": $result = $this->receiveText($postObj); break; } $this->logger("T ".$result); echo $result; }else { echo ""; exit; } } private function receiveEvent($object) { switch ($object->Event) { case "subscribe": $content = "欢迎关注无忧电脑技巧网 "; break; } $result = $this->transmitText($object,$content); return $result; } private function receiveText($object) { $keyword = trim($object->Content); //获得用户输入的信息 //判断天气 if(!empty( $keyword )){ //!empty 函数,判断 $keyword获得的值是否为空 $city = mb_substr($keyword,2,'utf-8'); //取用户输入内容前两个字符,如"黄冈天气" 最终取值"黄冈" include("weather.php"); //调用天气接口文件 $content = getWeatherInfo($city); //执行天气接口文件中的 getWeatherInfo方法.查询 黄冈天气. } else{ $content = date("Y-m-d H:i:s",time())."n技术支持 无忧电脑技巧网nwww.51pcjq.com"; //发送其它内容默认回复的内容. } if(is_array($content)){ if (isset($content[0]['PicUrl'])){ $result = $this->transmitNews($object,$content); }else if (isset($content['MusicUrl'])){ $result = $this->transmitMusic($object,$content); } }else{ $result = $this->transmitText($object,$content); } return $result; } private function transmitText($object,$content) { if (!isset($content) || empty($content)){ return ""; } $textTpl = " %s "; $result = sprintf($textTpl,$object->FromUserName,$object->ToUserName,time(),$content); return $result; } private function transmitNews($object,$newsArray) { if(!is_array($newsArray)){ return ""; } $itemTpl = " "; $item_str = ""; foreach ($newsArray as $item){ $item_str .= sprintf($itemTpl,$item['Title'],$item['Description'],$item['PicUrl'],$item['Url']); } $newsTpl = " %s %s $item_str "; $result = sprintf($newsTpl,count($newsArray)); return $result; } private function logger($log_content) { } }

$weather['currentCity']."当前天气:"."温度:".$weather['weather_data'][0]['temperature'].",".$weather['weather_data'][0]['weather'].","."风力:".$weather['weather_data'][0]['wind'].".","Description" =>"","PicUrl" =>"http://weixin.51pcjq.com/img/weather_bg.jpg","Url" =>""); for ($i = 0; $i < count($weather["weather_data"]); $i++) { $weatherArray[] = array("Title"=> $weather["weather_data"][$i]["date"]."n". $weather["weather_data"][$i]["weather"]." ". $weather["weather_data"][$i]["wind"]." ". $weather["weather_data"][$i]["temperature"]."","Description"=>"","PicUrl"=>(($curHour >= 6) && ($curHour < 18))?$weather["weather_data"][$i]["dayPictureUrl"]:$weather["weather_data"][$i]["nightPictureUrl"],"Url"=>""); } return $weatherArray;}?>

//define your token
define("TOKEN","djjc");
$wechatObj = new wechatCallbackapiTest();
//微信接入操作，成功接入了直接注释了就行了
$wechatObj->responseMsg();
//$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)){

$postObj = simplexml_load_string($postStr,‘SimpleXMLElement‘,LIBXML_NOCDATA);
$RX_TYPE = trim($postObj->MsgType);

switch($RX_TYPE)
{
case "text":
$resultStr = $this->handleText($postObj);
break;
case "event":
$resultStr = $this->handleEvent($postObj);
break;
default:
$resultStr = "Unknow msg type: ".$RX_TYPE;
break;
}
echo $resultStr;
}else {
echo "";
exit;
}
}
//测试文字回复
public function handleText($postObj)
{
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$keyword = trim($postObj->Content);
$time = time();
$textTpl = "

%s "; if(!empty( $keyword )) { $msgType = "text"; switch($keyword){ case "你好": $contentStr = "你好!"; break; case "你叫什么名字": $contentStr = "我是顶尖机器人"; break; //判断是否为天气 case $keywords+"天气"; $str = mb_substr($keyword,-,"UTF-"); $str_key = mb_substr($keyword,"UTF-"); if($str=="天气"){ $data = $this->weather($str_key)->showapi_res_body; $data=‘[今天白天]‘.$data->f->day_weather."n"; $data=‘[今天夜间]‘.$data->f->night_weather."n"; $data=‘[明天白天]‘.$data->f->day_weather."n"; $data=‘[明天夜间]‘.$data->f->night_weather."n"; $contentStr = $data.$data.$data.$data; } break; default: $contentStr = "听不懂您在讲什么"; break; } $resultStr = sprintf($textTpl,$fromUsername,$toUsername,$time,$msgType,$contentStr); echo $resultStr; }else{ echo "Input something..."; } }

public function handleEvent($object)
{
$contentStr = "";
switch ($object->Event)
{
case "subscribe":
$contentStr = "感谢您关注顶尖教程网，在这里您将得到海量免费学习资源！";
break;
default :
$contentStr = "Unknow Event: ".$object->Event;
break;
}
$resultStr = $this->responseText($object,$contentStr);
return $resultStr;
}

public function responseText($object,$content)
{
$textTpl = "

%s "; $resultStr = sprintf($textTpl,$content,$flag); return $resultStr; }

private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];

$token = TOKEN;
$tmpArr = array($token,$nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha( $tmpStr );

if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
//天气预报 此处汉字需要处理，想了很多办法才没乱码
private function weather($k){
$n=urlencode($k);
$showapi_appid = ‘‘; //去相关网站申请就行
$showapi_sign = ‘deafcacefdea‘;
$showapi_timestamp = date(‘YmdHis‘);
$areaid=‘‘;
$paramArr = ‘‘;
$needHourData=‘‘;
$url = iconv(‘gbk‘,‘utf-‘,‘http://route.showapi.com/-?‘.‘area=‘.$n.‘&areaid=&needHourData=&needIndex=&needMoreDay=&showapi_appid=‘.$showapi_appid.‘&showapi_timestamp=‘.$showapi_timestamp.‘&showapi_sign=‘.$showapi_sign);
$result = file_get_contents($url);
$result = json_decode($result);
return $result;
}
}
?>