【开发心得】js时间加法

使用moment.js

yarn add moment

定义一个function

handleRegStartChange: function () {
  var level = this.form.level;
  if (level != null && level != undefined) {
    var s1 = this.form.regStart.getTime() + 3600 * 1000 * 24 * (level+1); // 默认多加一天
    let targetDate = moment(s1).format('YYYY-MM-DD HH:mm:ss')
    this.form.regEnd = targetDate;
  }
}