/**
* 返回当前日期是星期几
* @author tank
* @category time
* @alias time_week
* @returns {string} 周几
*/
export default () => {
const date = new Date();
const day = date.getDay();
const names = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
return names[day];
};