docs: public static UserInfoList userInfoBatchget(String access_token,String lang,List<String> openids,int emoji){
  		StringBuilder sb = new StringBuilder();
  		sb.append("{\"user_list\": [");
  		for(int i = 0;i < openids.size();i++){
  			sb.append("{")
  			  .append("\"openid\": \"").append(openids.get(i)).append("\",")
  			  .append("\"lang\": \"").append(lang).append("\"")
  			  .append("}").append(i==openids.size()-1?"":",");
  		}
  		sb.append("]}");
  		HttpUriRequest httpUriRequest = RequestBuilder.post()
  				.setHeader(jsonHeader)
  				.setUri(BASE_URI+"/cgi-bin/user/info/batchget")
  				.addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token))
  				.setEntity(new StringEntity(sb.toString(), Charset.forName("utf-8")))
  				.build();
  		UserInfoList userInfoList = LocalHttpClient.executeJsonResult(httpUriRequest,UserInfoList.class);
  		if(emoji != 0 && userInfoList != null && userInfoList.getUser_info_list() != null){
  			for(User user : userInfoList.getUser_info_list()){
  				if(user.getNickname() != null){
  					user.setNickname_emoji(EmojiUtil.parse(user.getNickname(), emoji));
  				}
  			}
  		}
  		return userInfoList;
  	}