微信开发入门教程

php
/*
    方倍工作室 http://www.cnblogs.com/txw1958/
    CopyRight 2013 www.doucube.com  All Rights Reserved
*/

define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
if (isset($_GET['echostr'])) {
    $wechatObj->valid();
}else{
    $wechatObj->responseMsg();
}

class wechatCallbackapiTest
{
    public function valid()
    {
        $echoStr = $_GET["echostr"];
        if($this->checkSignature()){
            echo $echoStr;
            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;
        }
    }

    public function responseMsg()
    {
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

        if (!empty($postStr)){
            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            $fromUsername = $postObj->FromUserName;
            $toUsername = $postObj->ToUserName;
            $keyword = trim($postObj->Content);
            $time = time();
            $textTpl = "
                        
                        
                        %s
                        
                        
                        0
                        ";
            if($keyword == "?" || $keyword == "？")
            {
                $msgType = "text";
                $contentStr = date("Y-m-d H:i:s",time());
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            }
        }else{
            echo "";
            exit;
        }
    }
}
?>

<xml>
 <ToUserName>gh_680bdefc8c5d]]>ToUserName>
 <FromUserName>oIDrpjqASyTPnxRmpS9O_ruZGsfk]]>FromUserName>
 <CreateTime>1359028446CreateTime>
 <MsgType>text]]>MsgType>
 <Content>测试文字]]>Content>
 <MsgId>5836982729904121631MsgId>
xml>

<xml>
 <ToUserName>toUser]]>ToUserName>
 <FromUserName>fromUser]]>FromUserName>
 <CreateTime>1348831860CreateTime>
 <MsgType>image]]>MsgType>
 <PicUrl>this is a url]]>PicUrl>
 <MediaId>media_id]]>MediaId>
 <MsgId>1234567890123456MsgId>
 xml>

<xml>
<ToUserName>toUser]]>ToUserName>
<FromUserName>fromUser]]>FromUserName>
<CreateTime>1357290913CreateTime>
<MsgType>voice]]>MsgType>
<MediaId>media_id]]>MediaId>
<Format>Format]]>Format>
<MsgId>1234567890123456MsgId>
xml>

<xml>
<ToUserName>toUser]]>ToUserName>
<FromUserName>fromUser]]>FromUserName>
<CreateTime>1357290913CreateTime>
<MsgType>video]]>MsgType>
<MediaId>media_id]]>MediaId>
<ThumbMediaId>thumb_media_id]]>ThumbMediaId>
<MsgId>1234567890123456MsgId>
xml>

<xml>
<ToUserName>toUser]]>ToUserName>
<FromUserName>fromUser]]>FromUserName>
<CreateTime>1351776360CreateTime>
<MsgType>location]]>MsgType>
<Location_X>23.134521Location_X>
<Location_Y>113.358803Location_Y>
<Scale>20Scale>
<Label>位置信息]]>Label>
<MsgId>1234567890123456MsgId>
xml>

<xml>
<ToUserName>toUser]]>ToUserName>
<FromUserName>fromUser]]>FromUserName>
<CreateTime>1351776360CreateTime>
<MsgType>link]]>MsgType>
<Title>公众平台官网链接]]>Title>
<Description>公众平台官网链接]]>Description>
<Url>url]]>Url>
<MsgId>1234567890123456MsgId>
xml>