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我在新浪sae申請(qǐng)了賬號(hào)之后創(chuàng)建了一個(gè)應(yīng)用作為測(cè)試微信接口使用，代碼用的都是官方教程的，但是在提交服務(wù)器配置的時(shí)候不是連接失敗就是token驗(yàn)證失敗，地址和token我確認(rèn)沒(méi)有填寫(xiě)錯(cuò)誤，實(shí)在找不出原因。

于是我在本地進(jìn)行了一下測(cè)試，把新浪sae日志中心微信發(fā)送的get請(qǐng)求復(fù)制過(guò)來(lái)，加在本地的地址后面模仿微信的請(qǐng)求，!
!
![圖片描述][2]



結(jié)果發(fā)現(xiàn)，程序里接收的timestamp和nonce加上token的字符串按要求排序后和鏈接里的signature根本不相同。!
!![圖片描述][3]




有大神遇到過(guò)這個(gè)問(wèn)題嗎？還是我哪里操作不對(duì)？程序是照搬官方文檔的啊。求指點(diǎn)啊！
`

/**

• wechat php test
  */

//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$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);
            $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, $nonce);
    print_r($tmpArr);
    echo "<hr>";
    sort($tmpArr,SORT_STRING);
    print_r($tmpArr);
    echo "<hr>";
    $tmpStr = implode('', $tmpArr );
    echo $tmpStr;
    echo "<hr>";
    $tmpStr = sha1( $tmpStr );
    echo "sha1加密后:".$tmpStr;
    echo "<hr>";
    echo  'signature:'.$signature;
    
    if( $tmpStr == $signature ){
        return true;
    }else{
        return false;
    }
}

}
`