2016-12-23T06:22:33 
获取当前的日期时间 格式“YYYY-MM-DD HH:MM:SS”

function getNowFormatDate() {
    let date = new Date();
    let seperator1 = "-";
    let seperator2 = ":";
    let month = date.getMonth() + 1;
    var strDate = date.getDate();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
    }
    let currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
            + " " + date.getHours() + seperator2 + date.getMinutes()
            + seperator2 + date.getSeconds();
    return currentdate;
}

let f = function getNowFormatDate() {
  let date = new Date();
  let seperator1 = "-";
  let seperator2 = ":";
  let month = date.getMonth() + 1;
  var strDate = date.getDate();
  if (month >= 1 && month <= 9) {
    month = "0" + month;
  }
  if (strDate >= 0 && strDate <= 9) {
    strDate = "0" + strDate;
  }
  let currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
    + " " + date.getHours() + seperator2 + date.getMinutes()
    + seperator2 + date.getSeconds();
  return currentdate;
}
let date = f()
console.log(669, data)
//输出 669 "2019-10-27 9:23:17"