获取时分秒

 获取时间戳

//获取时间戳
function  getTime() {
      const timezone = 8; // 目标时区时间，东八区   东时区正数 西市区负数
      const offset_GMT = new Date().getTimezoneOffset(); // 本地时间和格林威治的时间差，单位为分钟
      const nowDate = new Date().getTime(); // 本地时间距 1970 年 1 月 1 日午夜（GMT 时间）之间的毫秒数
      const targetDate = new Date(
        nowDate + offset_GMT * 60 * 1000 + timezone * 60 * 60 * 1000
      );
      const time = targetDate.getTime();
      return time;
    }

 获取时间戳 

Date.now()
1658748281671

获取年月日时分秒

//获取年月日  时分秒
 getCurrentTime() {
      var myDate = new Date();
      var nowDate =
        myDate.getFullYear() +
        "-" +
        (myDate.getMonth() + 1) +
        "-" +
        myDate.getDate() + " "+ myDate.getHours()+ ":"+myDate.getMinutes()+':'+myDate.getSeconds()


      const cunrentTime = nowDate;
            return  cunrentTime
    },

获取年月日 时分秒 和当前星期几 

function time() {
				var vWeek, vWeek_s, vDay;
				vWeek = ["星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
				var date =  new Date();
				year = date.getFullYear();
				month = date.getMonth() + 1;
				day = date.getDate();
				hours = date.getHours();
				minutes = date.getMinutes();
				seconds = date.getSeconds();
				vWeek_s = date.getDay();
			 console.log( year + "年" + month + "月" + day + "日" + "\t" + hours + ":" + minutes + ":" + seconds + "\t" + vWeek[vWeek_s]);
 
			};
			setInterval("time()", 1000);