text: /**
   * 长语音识别服务token请求方式的使用示例
   */
  var lsen = require("./ais_sdk/long_sentence");
  var token = require("./ais_sdk/gettoken");
  var utils = require("./ais_sdk/utils");
  
  var username = "*******";        // 配置用户名
  var domain_name = "*******";     // 配置用户名
  var password = "*******";        // 密码
  
  demo_data_url = "https://obs-ch-sdk-sample.obs.cn-north-1.myhwclouds.com/lsr-1.mp3";
  
  var filepath = "./data/asr-sentence.wav";
  var data = utils.changeFileToBase64(filepath);
  
  token.getToken(username, domain_name, password, function (token) {
  
      lsen.long_sentence(token, "", demo_data_url, "", function (result) {
          console.log(result)
      });
  
      lsen.long_sentence(token, data, "", "", function (result) {
          console.log(result)
      })
  });
  
  