?? ???? ?? ??? ????, ?? ?? ??? ??? ????.

?? ??? ???? ??? ??? ? GET ??? ?? ??? Url? ?????. , ??? 4?? ????? ?????:

* ?? — WeChat ???? ??

* ????? — ?????

* nonce — ??? ??

* echostr — ??? ???

???? ??? ???? URL ???? ???? ?????. ? GET ??? echostr ???? ??? ??? ???? ???? ????, ??? ??? ???? ?????. ?? ??? ???? ??? ?? ????, ????? ???? ? ?? ????? ?????. ??? ????? ??? ????.

* ??, ?????, ??? ? ?? ????? ????? ?????.

* ? ?? ????? ?????. ???? ???? SHA1 ???? ?? ??? ???? ?????.

* ???? ?? ???? ???? ??? ???? ??? WeChat?? ?????? ??? ? ????.

??:

<?  
        $signature = $_GET[&#39;signature&#39;];  
        $timestamp = $_GET[&#39;timestamp&#39;];  
        $nonce = $_GET[&#39;nonce&#39;];      
                  
        $token = TOKEN;  
        $tmpArr = array($token, $timestamp, $nonce);  
        sort($tmpArr);  
        $tmpStr = implode( $tmpArr );  
        $tmpStr = sha1( $tmpStr );  
          
        if( $tmpStr == $signature ){  
            return $_GET[&#39;echostr&#39;];  
        }else{  
            return false;  
        }  
?>

??? WeChat? ??? ??? json? ???? ????.

??? XML ???? ??? ?? ????? simplexml_load_string? ???? ???. POST ???? urlencode? ???? HTTP_RAW_POST_DATA? ???? ???? ?? ? ????.

ToUserName ??? ???? WeChat ID, ????? ?? ??? ?? WeChat ID

FromUserName ??? ?? ??? WeChat ID

CreateTime ??? ?? ??

MsgType ?? ???? ???

??? ??? ??

<?php  
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //符合微信的POST規(guī)范  
if (!emptyempty($postStr))  
{  
 
    $postObj = simplexml_load_string($postStr, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA); //XML轉(zhuǎn)對(duì)象函數(shù),可能最近這一兩年入行的不太清楚XML函數(shù)  
      
    //數(shù)據(jù)從對(duì)象取出  
    $fromUsername = $postObj->FromUserName;   
    $toUsername = $postObj->ToUserName;  
    $CreateTime = $postObj->CreateTime;  
    $MsgType = $postObj->MsgType;  
    $Content = $postObj->Content;  
 
    $keyword = trim($postObj->Content); //安全Trim  
    $time = time();  
    //XML數(shù)據(jù)體  
    $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(!emptyempty( $keyword )) //如果發(fā)信息來(lái)了,不是空白POST,微信規(guī)定立即回復(fù),不用推送.  
    {  
        $msgType = "text"; //定義類型  
        $contentStr = "Hello World,I am Tater!"; //回復(fù)  
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); //記住,Tpl是要載入的  
        echo $resultStr; //輸出,以便微信抓!  
    }  
    else 
    {  
        echo "What are you say!"; //輸入信息有問(wèn)題,提示輸入!  
    }  
 
}  
else 
{  
    echo "";  
    exit;  
}  
 
 
?>

? ??? WeChat ????? ??? ?? ??? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!