php篇二 之微信公众号开发

Posted skyyuan

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博主提示玩微信公众号必须要有自己的服务器,其次有自己的微信公众平台,将自己的token保存在开发者模式中,将代码上传到服务器中,并且保存在开发者模式中。代码类似如下

<?php
/**
  * wechat php test
  */

//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->responseMsg();
//$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);
                $fromUsername = $postObj->FromUserName;
                $toUsername = $postObj->ToUserName;
                $keyword = trim($postObj->Content);
                $time = time();
                $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>";
                    //加载图文模版
                    $picTpl = "<xml>
                                   <ToUserName><![CDATA[%s]]></ToUserName>
                                   <FromUserName><![CDATA[%s]]></FromUserName>
                                   <CreateTime>%s</CreateTime>
                                   <MsgType><![CDATA[%s]]></MsgType>
                                   <ArticleCount>1</ArticleCount>
                                   <Articles>
                                   <item>
                                   <Title><![CDATA[%s]]></Title>
                                   <Description><![CDATA[%s]]></Description>
                                   <PicUrl><![CDATA[%s]]></PicUrl>
                                   <Url><![CDATA[%s]]></Url>
                                   </item>
                                   </Articles>
                                   <FuncFlag>1</FuncFlag>
                                   </xml> ";
                    //加载经纬度
                    $localtionTpl =  "<xml>
                                   <ToUserName>< ![CDATA[%s] ]></ToUserName>
                                   <FromUserName>< ![CDATA[%s] ]></FromUserName>
                                   <CreateTime>%s</CreateTime>
                                   <MsgType>< ![CDATA[%s] ]></MsgType>
                                   <Location_X>%s</Location_X>
                                   <Location_Y>%s</Location_Y>
                                   <Scale>20</Scale>
                                   <Label>< ![CDATA[%s] ]></Label>
                                   </xml>";

                switch($RX_TYPE)
                {
                    case "text":
                        if($keyword == "2")
                        {
                                 $msgType = "news";
                                 $title = "PHP二次开发网"; //标题
                                 $data  = date(‘Y-m-d‘); //时间
                                 $desription = "“车位停放情况 “"; //简介
                                 $image = "http://p1.so.qhmsg.com/bdr/_240_/t01f4f0880ce10600f6.jpg"; //图片地址
                                 $turl = "http://yuan.snowboy99.com/stop_car/Home/Login/login"; //链接地址
                             $resultStr = sprintf($picTpl, $fromUsername, $toUsername, $time, $msgType, $title,$desription,$image,$turl);
                             echo $resultStr;
                         }elseif($keyword == "1"){
                             $msgType = "text";
                             $contentStr = "您好,欢迎您关注温馨指南,在这里我们将为你提供良好的停车场地。";
                             $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                             echo $resultStr;

                         }

                        break;
                    case "location"://地理位置消息
                    // if(trim($postObj->MsgType) == "loaction"){
                           $msgType = "text";
                           $content = "你发送的是位置,纬度为:".$postObj->Location_X.";经度为:".$postObj->Location_Y.";缩放级别为:".$postObj->Scale.";位置为:".$postObj->Label; 
                           $result = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $content);
                           echo $result; 
                         // }
                        
                    break;
                   

                    case "event":
                        if(trim($postObj->MsgType) == "event" and trim($postObj->Event) == "subscribe")//判断是否是新关注
                        {
                             $msgType = "text";
                             $contentStr = "您好,欢迎您关注温馨指南"."\n"."回复数字‘1‘,输出文本消息."."\n"."回复数字‘2‘,输出图文消息."."\n"."回复地理位置,输出位置";
                             $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                             echo $resultStr;
                         }
                        break;
                    default:
                        $resultStr = "Unknow msg type: ".$RX_TYPE;
                        break;
                }
                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;
        }
    }
}

?>

  

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