</pre><a target=_blank href="http://blog.csdn.net/misakaqunianxiatian/article/details/49401759" target="_blank"></a></p><p><pre name="code" class="php"> public function responseMsg(){   //get post data, May be due to the different environments  $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //接收微信發來的XML數據  //extract post data if(!empty($postStr)){       //解析post來的XML為一個對象$postObj   $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);     $fromUsername = $postObj->FromUserName; //請求消息的用戶   $toUsername = $postObj->ToUserName; //"我"（訂閱號）的公眾號id   $keyword = trim($postObj->Content); //用戶發給訂閱號的消息內容   $time = time(); //時間戳   $msgtype = 'text'; //消息類型：文本   $textTpl = "<xml>  <ToUserName><![CDATA[%s]]></ToUserName>  <FromUserName><![CDATA[%s]]></FromUserName>  <CreateTime>%s</CreateTime>  <MsgType><![CDATA[%s]]></MsgType>  <Content><![CDATA[%s]]></Content>  </xml>";   if($postObj->MsgType == 'event'){ //如果XML信息里消息類型為event    if($postObj->Event == 'subscribe'){ //如果是訂閱事件     $contentStr = "歡迎訂閱misaka去年夏天！/n更多精彩內容：http://blog.csdn.net/misakaqunianxiatian";     $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgtype, $contentStr);     echo $resultStr;     exit();    }   }   $which = mb_substr($keyword, 0, 2, 'UTF-8');//獲取要返回什么樣的信息   if($which== "翻譯"){ //如果要進行翻譯    $fanyi = $which;    $search = str_replace($fanyi, '', $keyword); //要翻譯的關鍵字    $key = ""; //在有道API申請的key    $keyfrom = ""; //與key對應    $url = 'http://fanyi.youdao.com/openapi.do?keyfrom=' . $keyfrom . '&key=' . $key . '&type=data&doctype=json&version=1.1&q=' . urlencode($search);//調用有道翻譯API        $json = file_get_contents($url);//也可以用curl來獲取    $res = json_decode($json, true);    /**     * 以下從返回的數據中提取翻譯結果     */    $contentStr = '【查詢】' . $res['query'] . "/n";    $contentStr .= "【翻譯】/n" . $res['translation'][0] . "/n";    $str = '';    foreach($res['basic']['explains'] as $v){     $str .= $v . "/n";    }    $contentStr .= "【基本釋義】/n" . $str;    if(isset($res['web'])){     foreach($res['web'] as $kk=>$vv){      sort($vv);      $res['web'][$kk] = $vv; //調節字段順序     }     $str = '';     foreach($res['web'] as $v){      foreach($v as $k2=>$v2){       if($k2 == 0){        $str .= "【". $v2 ."】/n";       }else{        foreach($v2 as $v3){         $str .= $v3 ."/n";        }       }      }     }     $contentStr .= "【網絡釋義】/n" . $str;         }    $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgtype, $contentStr);    echo $resultStr;    exit();    }