// »ñÈ¡Token
 public static SdkHttpResult getToken(
     String appKey,
     String appSecret,
     String userId,
     String userName,
     String portraitUri,
     FormatType format)
     throws Exception {
   HttpURLConnection conn =
       HttpUtil.CreatePostHttpConnection(
           appKey, appSecret, RONGCLOUDURI + "/user/getToken." + format.toString());
   StringBuilder sb = new StringBuilder();
   sb.append("userId=").append(URLEncoder.encode(userId, UTF8));
   sb.append("&name=").append(URLEncoder.encode(userName == null ? "" : userName, UTF8));
   sb.append("&portraitUri=")
       .append(URLEncoder.encode(portraitUri == null ? "" : portraitUri, UTF8));
   HttpUtil.setBodyParameter(sb, conn);
   return HttpUtil.returnResult(conn);
 }