?? WeChat ?? ??? ???? ???. ? ?? ??? ?? ????? ?? ???? ???? ?? ???? ????! ?? ??? ??? ???? ????? ??? ?? ?? ???? ????! ?? ????? ????? ???? ??? ?? ?? ???? "?? ??"? ?????.

"?? ??"? ""? ? ?? ?? ??? ??? ? ????. ????', ? ?? ???? ???? ??? ? ?? ???? ????? ?????!

????? ?? ??? ?? ????????. ?, ?? ?? ?? ??? ?????!

?? ?? ??? ?? URL? ?? ?? ?????.

URL: ??? ?? ??? URL? ?????. ?: http://www .123.com/wx_sample.php

??: ? ?? ????? ??? ? ????.

wx_sample.php ??? ?? ?? ??? ?????

define("TOKEN", "weixin"); //修改成自己填寫的token

?? ? ????? ???!

??? ??? ? ??? ?? ??? ??? ???? ???? ? ????.

<?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, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA);
            $fromUsername = $postObj->FromUserName;
            $toUsername = $postObj->ToUserName;
            $keyword = trim($postObj->Content);
            $time = time();
            $textTpl = "<xml>
                            <ToUserName><![CDATA[%s]]></ToUserName>
                            <FromUserName><![CDATA[%s]]></FromUserName>
                            <CreateTime>%s</CreateTime>
                            <MsgType><![CDATA[%s]]></MsgType>
                            <Content><![CDATA[%s]]></Content>
                            <FuncFlag>0</FuncFlag>
                            </xml>";
            if(!empty($keyword)) {
                $msgType = "text";
                $contentStr = "Welcome to wechat world!";
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            } else {
                echo "Input something...";
            }
        } 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;
        }
    }
}
?>

?? ??? ?? ???? ???????!

? ??? WeChat ?? ???? ???(1)? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!