微信公众平台天气查询，火车票查询，快递查询，小黄鸡，翻译，公交查询的实现

<?php
/**
  * wechat php test
  */
include("ABClient.php");  //爱帮网申请 然后下载的sdk
define("FANAPK", "API key");  //这个百度应用duapp.com创建一个应用获得的 API key
define("WAPK","key"); //这个key地址http://lbsyun.baidu.com/apiconsole/key?application=key来获取
//define your token
define("TOKEN", "这里写你自己的token");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->responseMsg();

class wechatCallbackapiTest
{
 private $model;
 private $name;
  public function __construct(){
  $this->model = new ABClient();
  $a = $this->model->test_transfer();
  $this->name = include("name.php");
 }
 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;
    $type = $postObj->MsgType;
    $event = $postObj->Event;
    $c = $postObj->Location_X;
    $d = $postObj->Location_Y;
                $keyword = trim($postObj->Content);
                $time = time();
    $msgid = $postObj->MsgId;
                $textTpl = "<xml>
       <ToUserName><![CDATA[%s]]></ToUserName>
       <FromUserName><![CDATA[%s]]></FromUserName>
       <CreateTime>%s</CreateTime>
       <MsgType><![CDATA[%s]]></MsgType>
       <Content><![CDATA[%s]]></Content>
       <FuncFlag>0</FuncFlag>
       </xml>";            
    if($type == "event" && $event == "subscribe")
                {
                $msgType = "text";
                 $contentStr.= "欢迎关注微度网络，该公众平台有以下几种功能：\n\n";
     $contentStr.= "1.直接输入汉字或者中文进行中英文翻译，如“你好”\n";
     $contentStr.= "2.输入“天气+地区”进行天气查询，如“天气+石家庄”\n";
     $contentStr.= "3.输入“城市+起点+终点”进行公交查询，如“石家庄+火车站+宫家庄”\n";
     $contentStr.= "4.输入“@任何内容”跟小贱鸡聊天，如“@小贱鸡”\n";
     $contentStr.= "5.微信发送您的地理位置进行天气查询，您可以试一试\n";
                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                 echo $resultStr;
                 
                }else if($type == "text"){
     $keywords = explode("+",$keyword);
     $b = explode("@",$keyword);
     if(isset($b[1])){
      $contentStr = $this->simsim($b[1]);
      $msgType = "text";
      $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
      echo $resultStr;
      exit();
     }
     if($keywords[0]=="火车"){
      $city = $keywords[1];
      $end = $keywords[2];
      $time = $keywords[3];
      $result = $this->doget($city,$end,$time);
      if(!empty($result)){
       $result = strip_tags($result['datas']);
       $return_str = str_replace("&nbsp;","",$result);
       $return_str = str_replace("\\n","",$return_str);
       $a = explode(",",$return_str);
       $name =array();
       $c = array_chunk($a,16);
       array_pop($c);
       foreach($c as $k =>$v){
        $str="余票：\n商务座:".$v[5]."，特等座:".$v[6]."，一等座:".$v[7]."，二等座:".$v[8]."，高级软卧:".$v[9]."，软卧:".$v[10]."，硬卧:".$v[11]."，软座:".$v[12]."，硬座:".$v[13]."，无座:".$v[14]."，其他:".$v[15];
        $str = preg_replace("/硬座\:--，/","",$str);
        $str = preg_replace("/商务座\:--，/","",$str);
        $str = preg_replace("/特等座\:--，/","",$str);
        $str = preg_replace("/一等座\:--，/","",$str);
        $str = preg_replace("/二等座\:--，/","",$str);
        $str = preg_replace("/高级软卧\:--，/","",$str);
        $str = preg_replace("/软卧\:--，/","",$str);
        $str = preg_replace("/硬卧\:--，/","",$str);
        $str = preg_replace("/软座\:--，/","",$str);
        $str = preg_replace("/硬座\:--，/","",$str);
        $str = preg_replace("/其他\:--/","",$str);
        $contentStr.="车次:{$v[1]},发站：{$v[2]}，到站：{$v[3]}，历时：{$v[4]}。\n{$str}\n\n";
        if($k == 12){
         break;
        }
       }
      }else{
       $contentStr.="抱歉没有查到";
      }
      
      $msgType = "text";
      $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
      echo $resultStr;
      exit();
     }
     if(isset($keywords[1])&&!isset($keywords[2])){
      if($this->pexpress(trim($keywords[0]))){
       $a = $this->express(trim($keywords[0]),trim($keywords[1]));
       if($a["message"]=="ok"){
        if($a['ischeck']==1){
         $contentStr.="您的包裹已经签收\n\n";
        }else{
         $contentStr.="您的包裹还未签收\n\n";
        }
        $data = $a['data'];
        foreach($data as $k =>$v){
         $contentStr.="更新时间：{$v["time"]}\n物流状态：{$v["context"]}\n\n";
        }
       }else{
         $contentStr = "查询失败，请输入正确后查询";
       }
        $msgType = "text";
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
        echo $resultStr;
      }else{
        $weather = $this->weather($keywords[1]);
        if(!empty($weather))
        {
         $data = $this->json2array($weather);
         foreach($data as $k =>$v)
         {
          $str.=$v['date'].'。天气：'.$v['weather'].'。风速：'.$v['wind'].'。温度：'.$v['temperature']."\n\n";
         }
        }else{
         $str="请您输入正确的地址，输入方式如天气+北京";
        }
        
        $msgType = "text";
        $contentStr = $str;
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
        echo $resultStr;
      }
     
     }else if(isset($keywords[2])&&($keywords[0]!=="火车")){
      $city = $keywords[0];
      $start = $keywords[1];
      $end =$keywords[2];
      $a = $this->model->test_transfer($city,$start,$end);
      if(!empty($a)){
        foreach($a as $k=>$v){
        $contentStr.= "线路{$c}:".$v['dist']."米。估计耗费时间:{$v['time']}分钟。\n乘车线路：{$v['segments']["segment"][0]["line_name"]}。\n上车地点：{$v['segments']["segment"][0]["start_stat"]}。\n下车地点:{$v['segments']["segment"][0]["end_stat"]}。\n经过路线:{$v['segments']["segment"][0]["stats"]}\n\n";
        if($k == 4){
         break;
        }
       }
      
      }else{
       $contentStr="抱歉没有查询到";
      }
      
      $msgType = "text";
      $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
      echo $resultStr;
     }else{
      $fanyi = $this->fanyi($keyword);
      $msgType = "text";
      $contentStr = $fanyi;
      $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
      echo $resultStr;
     }
     
                }else if($type == 'location'){
     $result = $this->address($c,$d);
     if(isset($result['district'])){
      $weather = $this->weather($result['district']);
      if(!$weather){
       $weather = $this->weather($result['city']);
      }
     }else{
      $weather = $this->weather($result['city']);
     }
     
     $data = $this->json2array($weather);
     foreach($data as $k =>$v){
      $str.=$v['date'].'。天气：'.$v['weather'].'。风速：'.$v['wind'].'。温度：'.$v['temperature']."\n\n";
     }
     $msgType = "text";
     $contentStr = $str;
     $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
     echo $resultStr;
    }else{
     echo "您可以输入点什么";
    }

        }else {
         echo "";
         exit;
        }
    }
 //获取地理位置的
 private function address($addx,$addy)
 {
  $arr = array();
  $result = $this->map_text("http://api.map.baidu.com/geocoder/v2/?ak=".WAPK."&callback=renderReverse&location={$addx},{$addy}&output=xml&pois=0");
  $data = simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA);
  $result = $this->json2array($data);
  $arr = $result["result"]["addressComponent"];
  $address = $result['result']['formatted_address'];
  array_push($arr,$address);
  return $arr;
 }
 //解析json为数组
 private function json2array($json) {
   if ($json) {
    foreach ((array)$json as $k=>$v) {
     $data[$k] = !is_string($v) ? $this->json2array($v) : $v;
    }
    return $data;
   }
  } 
 //获取天气信息
 private function weather($data)
 {
  //根据API调用输出数据
  $url="http://api.map.baidu.com/telematics/v2/weather?location={$data}&output=json&ak=".WAPK;
  $weather=$this->map_text($url);
  $data = json_decode($weather);
  return $data->results;
 }
 //调用翻译的api
 private function fanyi($data)
 {
  //根据API调用输出数据
  $url="http://openapi.baidu.com/public/2.0/bmt/translate?client_id=".FANAPK."&q={$data}&from=auto&to=auto";
  $fanyi=$this->map_text($url);
  $shuju=json_decode($fanyi);
  $result=$shuju->trans_result;
  return $result[0]->dst;
 }
 //解析地址的api
 private function map_text($url) 
 {
  if(!function_exists('file_get_contents')) {
  $file_contents = file_get_contents($url);
   } else {
   $ch = curl_init();
   $timeout = 5;
   curl_setopt ($ch, CURLOPT_URL, $url);
   curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
   curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
   $file_contents = curl_exec($ch);
   curl_close($ch);
  }
   return $file_contents;
 }
 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 == $signature ){
   return true;
  }else{
   return false;
  }
 }
 private function simsim($keywords){
  $curlPost=array("txt"=>$keywords);
  $ch = curl_init();//初始化curl
  curl_setopt($ch,CURLOPT_URL,'http://xiaohuangji.com/ajax.aspx');//抓取指定网页
  curl_setopt($ch, CURLOPT_HEADER, 0);//设置header
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
  curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
  curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);
  $data = curl_exec($ch);//运行curl
  curl_close($ch);
  return $data;
 }
 private function pexpress($exname){
   $a = $this->map_text("http://www.kuaidi100.com/");
   preg_match_all("/data\-code\=\"(?P<name>\w+)\"\>\<span\>(?P<title>.*)\<\/span>/iU",$a,$b);
   $name = array();
   foreach($b['title'] as $k=>$v){
     $name[$v] = $b['name'][$k];
   }
   if(!empty($name[$exname])){
    return true;
   }else{
    return false;
   }
 }
 private function express($keywords,$number){
   $a = $this->map_text("http://www.kuaidi100.com/");
   preg_match_all("/data\-code\=\"(?P<name>\w+)\"\>\<span\>(?P<title>.*)\<\/span>/iU",$a,$b);
   $name = array();
   foreach($b['title'] as $k=>$v){
     $name[$v] = $b['name'][$k];
   }
   $this->name = $name;
   $keywords = $name[$keywords];
   $url = "http://www.kuaidi100.com/query?type={$keywords}&postid={$number}";
   $result = $this->map_text($url);
   $result = $this->json2array(json_decode($result));
   return $result;
 }
 
 private function doget ($start,$end,$time) // get获取数据使用
 {
  if(empty($time)){
   $time = date('Y-m-d',time());
  }else{
   if(substr($time,0,1)!=0){
    $time = date('Y-0',time()).$time;
   }else{
    $time = date('Y-',time()).$time;
   }
  }
  $star = $this->name[$start];
  $end = $this->name[$end];
  $url = "http://dynamic.12306.cn/otsquery/query/queryRemanentTicketAction.do?method=queryLeftTicket&orderRequest.train_date={$time}&orderRequest.from_station_telecode={$star}&orderRequest.to_station_telecode={$end}&orderRequest.train_no=&trainPassType=QB&trainClass=QB%23D%23Z%23T%23K%23QT%23&includeStudent=00&seatTypeAndNum=&orderRequest.start_time_str=00%3A00--24%3A00";
  $optionget = array('http' => array('method' => "GET", 'header' => "User-Agent:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.21022; .NET CLR 3.0.04506; CIBA)\r\nAccept:*/*\r\nReferer:http://dynamic.12306.cn/otsquery/query/queryRemanentTicketAction.do?method=init"));
  $file = file_get_contents($url, false , stream_context_create($optionget));
  return $this->json2array(json_decode($file));
 }
 
}

?>