微信公眾平台介面回複中文亂碼

valid();$wechatObj->responseMsg(); function youdaofanyi($keyword){$url = 'http://fanyi.youdao.com/openapi.do?keyfrom=coolrand&key=545706258&type=data&doctype=json&version=1.1&q='.$keyword;$f = new SaeFetchurl();$output = $f->fetch($url);$message = json_decode($output,true);$errorcode = $message['errorCode'];$phonetic = $message['basic']['$phonetic'];$explains1 = $message['basic']['explains']['0'];$explains2 = $message['basic']['explains']['1'];$explains3 = $message['basic']['explains']['2'];$trans = $message['translation'][0];return "哈哈"."\n".$trans."\n".$phonetic."\n".$explains1;}class wechatCallbackapiTest{    public function valid()    {    $echoStr = $_GET["echostr"];     if($this->checkSignature()){    echo $echoStr;    exit;    }    }     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    %s    %s    %s    %s    0    ";    if(!empty( $keyword ))    {if((eregi("a",$keyword))){    $msgType = "text";    $contentStr = youdaofanyi($keyword);    $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);    echo $resultStr;}else{$msgType = "text";    $contentStr = "歡迎";    $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);    echo $resultStr;}    }else{    echo "asd";    }         }else {    echo MESS;    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;    }    }}    ?>

代碼如上，可是回複中的中文會顯示亂碼，到底出什麼問題了啊

這個問題已被關閉，原因：

回複內容：

valid();$wechatObj->responseMsg(); function youdaofanyi($keyword){$url = 'http://fanyi.youdao.com/openapi.do?keyfrom=coolrand&key=545706258&type=data&doctype=json&version=1.1&q='.$keyword;$f = new SaeFetchurl();$output = $f->fetch($url);$message = json_decode($output,true);$errorcode = $message['errorCode'];$phonetic = $message['basic']['$phonetic'];$explains1 = $message['basic']['explains']['0'];$explains2 = $message['basic']['explains']['1'];$explains3 = $message['basic']['explains']['2'];$trans = $message['translation'][0];return "哈哈"."\n".$trans."\n".$phonetic."\n".$explains1;}class wechatCallbackapiTest{    public function valid()    {    $echoStr = $_GET["echostr"];     if($this->checkSignature()){    echo $echoStr;    exit;    }    }     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    %s    %s    %s    %s    0    ";    if(!empty( $keyword ))    {if((eregi("a",$keyword))){    $msgType = "text";    $contentStr = youdaofanyi($keyword);    $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);    echo $resultStr;}else{$msgType = "text";    $contentStr = "歡迎";    $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);    echo $resultStr;}    }else{    echo "asd";    }         }else {    echo MESS;    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;    }    }}    ?>

代碼如上，可是回複中的中文會顯示亂碼，到底出什麼問題了啊

