old_contents: /**
   * @author 龙喜<xiaolong.lxl@alibaba-inc.com>
   * @description employee service
   */
  
  'use strict';
  
  const Sequelize = require('sequelize');
  const sq = require('../db').sequelize;
  const employee = require('./model/employee');
  const exam = require('./model/exam');
  const normalize = require('./lib/data-normalize');
  
  module.exports = {
    create: function* (workerId, nick, name, email, account, tbww) {
      return normalize(
        yield employee.create({
          employeeId: workerId,
          nick: nick,
          name: name,
          email: email,
          account: account,
          tbww: tbww
        })
      );
    },
    get: function* (workerId) {
      return normalize(
        yield employee.findOne({
          where: {
            employeeId: workerId
          }
        })
      );
    },
    getList: function* () {
      /*return employee.findAll({
        order: [
          // Will order by max(age) DESC
          [sequelize.fn('max', sequelize.col('eId')), 'DESC']
        ]
      });*/
    }
  };
  
new_contents: /**
   * @author 龙喜<xiaolong.lxl@alibaba-inc.com>
   * @description employee service
   */
  
  'use strict';
  
  const employee = require('./model/employee');
  
  module.exports = {
    create: async function(workerId, nick, name, email, account) {
      return await employee.create({
        employeeId: workerId,
        nick: nick,
        name: name,
        email: email,
        account: account
      });
    },
    /**
     * 如何获取一个 plain object http://docs.sequelizejs.com/class/lib/model.js~Model.html#instance-method-get
     * @param workerId
     * @returns {*}
     */
    get: async function(workerId) {
      return await employee.findOne({
        where: {
          employeeId: workerId
        }
      });
    }
  };
  
subject: add services