PHP調用有道詞典翻譯API實現通譯功能及代碼

PHP調用有道詞典翻譯API實現翻譯功能及代碼
PHP調用有道詞典翻譯API實現翻譯功能及代碼，其中英文可以翻譯，中文不能翻譯是什麼問題啊？急
http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=xml&version=1.1&q=中文"
------解決方案--------------------

function getTransContent($url) {
     //   $url = "http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=xml&version=1.1&q=" .urlencode($this->keyword);
     //  echo $url;
        // $url = urlencode($url);
        $value = file_get_contents($url);//echo $value;


       // $ch = curl_init();
        
      //  curl_setopt($ch, CURLOPT_URL, $url);
        
       // $html = curl_exec($ch);
   $ar = simplexml_load_string($value,'SimpleXMLElement',LIBXML_NOCDATA 
------解決方案--------------------
 LIBXML_NOBLANKS);
        //$jsonValue = json_decode ( $value, true );

$errorCode = $ar->errorCode;echo $errorCode.PHP_EOL;
        //翻譯成功
      //  $errorCode = $jsonValue["erroeCode"];
        $trans = '';
        
        if (isset($errorCode)) {
        switch ($errorCode) {
        case 0:
        $trans = $ar->translation->paragraph;
        break;
        case 20:
        $trans = '要翻譯的文本過長';
        break;
        case 30:
        $trans = '無法進行有效翻譯';
        break;
        case 40:
        $trans = '不支援的語言類型';
        break;
        case 50:
        $trans = '無效的key';
        break;
        default:
        $trans = '出現異常';
        break;        
        }
        }
        return $trans;
    }
$s=urlencode('中文');
echo getTransContent("http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=xml&version=1.1&q=$s");

------解決方案--------------------

$c = iconv('gbk', 'utf-8', '中文'); //gbk 一定要轉成 utf-8
$c = urlencode($c); //必須做 url 編碼
$url = "http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=json&version=1.1&q=$c";
//傳回型別 設為 json，這樣處理起來方便些
$s = file_get_contents($url);
print_r(json_decode($s， 1));

Array
(
    [translation] => Array
        (
            [0] => Chinese
        )

    [basic] => Array
        (
            [phonetic] => zhōng wén
            [explains] => Array
                (
                    [0] => [語] Chinese
                )

        )

    [query] => 中文
    [errorCode] => 0
    [web] => Array
        (
            [0] => Array
                (
                    [value] => Array
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