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微信公眾號開發之(13)天氣預報

<?php /** * wechat php test */ //define your token define("TOKEN", "weixin"); $wechatObj = new wechatCallbackapiTest(); $wechatObj->responseMsg(); 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); $fromUsername = $postObj->FromUserName; $toUsername = $postObj->ToUserName; $MsgType=$postObj->MsgType; $keyword = trim($postObj
->Content); $j=$postObj->Location_X; $w=$postObj->Location_Y; $time = time(); $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[news]]></MsgType> <ArticleCount>3</ArticleCount> <Articles> <item> <Title><![CDATA[%s]]></Title> <Description><![CDATA[s]]></Description> <PicUrl><![CDATA[url]]></PicUrl> <Url><![CDATA[url]]></Url> </item> <item> <Title><![CDATA[%s]]></Title> <Description><![CDATA[s]]></Description> <PicUrl><![CDATA[url]]></PicUrl> <Url><![CDATA[url]]></Url> </item> <item> <Title><![CDATA[%s]]></Title> <Description><![CDATA[s]]></Description> <PicUrl><![CDATA[url]]></PicUrl> <Url><![CDATA[url]]></Url> </item> </Articles> <FuncFlag>1</FuncFlag> </xml>"; if($MsgType=="location") { $url="http://api.map.baidu.com/telematics/v2/weather?location={$w},{$j}&ak=1a3cde429f38434f1811a75e1a90310c"; } elseif ($MsgType=="text") { $url="http://api.map.baidu.com/telematics/v2/weather?location={$keyword}&ak=1a3cde429f38434f1811a75e1a90310c"; } else { echo ""; } $fa=file_get_contents($url); $f=simplexml_load_string($fa); $city=$f->currentCity; $da1=$f->results->result[0]->date; $da2=$f->results->result[1]->date; $da3=$f->results->result[2]->date; $w1=$f->results->result[0]->weather; $w2=$f->results->result[1]->weather; $w3=$f->results->result[2]->weather; $p1=$f->results->result[0]->wind; $p2=$f->results->result[1]->wind; $p3=$f->results->result[2]->wind; $q1=$f->results->result[0]->temperature; $q2=$f->results->result[1]->temperature; $q3=$f->results->result[2]->temperature; $d1=$city.$da1.$w1.$p1.$q1; $d2=$city.$da2.$w2.$p2.$q2; $d3=$city.$da3.$w3.$p3.$q3; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,$d1,$d2,$d3); echo $resultStr; }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; } } } ?>