微信开发（基于当前位置查询周边酒店信息）

<?php define('AK','338E13B4b094109349d5d9fe36aeb385'); define('URL', 'http://api.map.baidu.com/place/v2/search'); //API 请求地址 class Weixin { public $token = '';//token public $debug = false;//是否debug的状态标示 public $setFlag = false; public $msgtype = 'text'; //('text','image','location') public $msg = array(); public function __construct($token,$debug) { $this->token = $token; $this->debug = $debug; }//获得用户发过来的消息（消息内容和消息类型 ） public function getMsg() { $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; if ($this->debug) { $this->write_log($postStr); } if (!empty($postStr)) { $this->msg = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $this->msgtype = strtolower($this->msg['MsgType']); } }//回复文本消息 public function makeText($text='') { $CreateTime = time(); $FuncFlag = $this->setFlag ? 1 : 0; $textTpl = "<xml> <ToUserName><![CDATA[{$this->msg['FromUserName']}]]></ToUserName> <FromUserName><![CDATA[{$this->msg['ToUserName']}]]></FromUserName> <CreateTime>{$CreateTime}</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>%s</FuncFlag> </xml>"; return sprintf($textTpl,$text,$FuncFlag); }//根据数组参数回复图文消息 public function makeNews($newsData=array()) { $CreateTime = time(); $FuncFlag = $this->setFlag ? 1 : 0; $newTplHeader = "<xml> <ToUserName><![CDATA[{$this->msg['FromUserName']}]]></ToUserName> <FromUserName><![CDATA[{$this->msg['ToUserName']}]]></FromUserName> <CreateTime>{$CreateTime}</CreateTime> <MsgType><![CDATA[news]]></MsgType> <Content><![CDATA[%s]]></Content> <ArticleCount>%s</ArticleCount><Articles>"; $newTplItem = "<item> <Title><![CDATA[%s]]></Title> <Description><![CDATA[%s]]></Description> <PicUrl><![CDATA[%s]]></PicUrl> <Url><![CDATA[%s]]></Url> </item>"; $newTplFoot = "</Articles> <FuncFlag>%s</FuncFlag> </xml>"; $Content = ''; $itemsCount = count($newsData['items']); $itemsCount = $itemsCount < 10 ? $itemsCount : 10;//微信公众平台图文回复的消息一次最多10条 if ($itemsCount) { foreach ($newsData['items'] as $key => $item) { if ($key<=9) { $Content .= sprintf($newTplItem,$item['title'],$item['description'],$item['picurl'],$item['url']); } } } $header = sprintf($newTplHeader,$newsData['content'],$itemsCount); $footer = sprintf($newTplFoot,$FuncFlag); return $header . $Content . $footer; } public function reply($data) { if ($this->debug) { $this->write_log($data); } echo $data; } public function valid() { if ($this->checkSignature()) { if( $_SERVER['REQUEST_METHOD']=='GET' ) { echo $_GET['echostr']; exit; } }else{ //write_log('认证失败'); exit; } } private function checkSignature() { $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"]; $tmpArr = array($this->token, $timestamp, $nonce); sort($tmpArr); $tmpStr = implode( $tmpArr ); $tmpStr = sha1( $tmpStr ); if( $tmpStr == $signature ){ return true; }else{ return false; } } public function map($lox,$loy,$key){ //需要PHP 5 以上以及安装curl扩展 $params = array('ak'=>AK,'output'=>'json','query'=>$key,'page_size'=>'10','page_num'=>'0','scope'=>'2','location'=>$lox.','.$loy,'radius'=>'5000'); $queryString = ''; //请求的URL参数 while (list($key, $val) = each($params)) { $queryString .=('&'.$key.'='.urlencode($val)); } $url = URL.'?'.$queryString; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url);// 设置你要访问的URL curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);// 设置cURL 参数，要求结果保存到字符串中还是输出到屏幕上。 curl_setopt($curl, CURLOPT_ENCODING, 'UTF-8'); $data = json_decode(curl_exec($curl), true);// 运行cURL，请求API curl_close($curl);// 关闭URL请求 //var_dump($data); //echo $data['total']."<br>"; //echo $data['results'][0]['name']; //$this->makeText("123"); $record=array(); $record[0]=array( 'title' =>'周边5公里内酒店信息', 'description' =>'', 'picurl' => '', 'url' =>'' ); //$this->makeText(count($data['results'])); if(count($data['results'])==0) { $reply = $this->makeText('很抱歉，周边5公里内未找到**酒店。'); return $reply; exit; } for($i=1;$i<=count($data['results']);$i++) { $distance = sprintf("%01.1f",($data['results'][$i-1]['detail_info']['distance']/1000)); $title = $i."、 ".$data['results'][$i-1]['name']." ￥".intval($data['results'][$i-1]['detail_info']['price'])." ".$distance."公里 ".$data['results'][$i-1]['telephone']; $description = ''; $picurl = '; $url = ''; $record[$i]=array( 'title' =>$title, 'description' =>$description, 'picurl' => $picurl, 'url' =>$url ); } $results['items'] = $record; $reply = $this->makeNews($results); return $reply; } private function write_log($log){} } ?>