获取时间
let time = new Date()
let year = time.getYear(); //获取当前年份(2位)
let years = time.getFullYear(); //获取完整的年份(4位,1970-????)
let month = time.getMonth(); //获取当前月份(0-11,0代表1月)
let day = time.getDate(); //获取当前日(1-31)
let week = time.getDay(); //获取当前星期X(0-6,0代表星期天)
let times = time.getTime(); //获取当前时间(从1970.1.1开始的毫秒数)
let hours = time.getHours(); //获取当前小时数(0-23)
let minutes = time.getMinutes(); //获取当前分钟数(0-59)
let seconds = time.getSeconds(); //获取当前秒数(0-59)
let ms = time.getMilliseconds(); //获取当前毫秒数(0-999)
let Dates = time.toLocaleDateString(); //获取当前日期
let Times = time.toLocaleTimeString(); //获取当前时间