vue 獲取當前時間 格式YYYY-MM-DD

/**
 * 獲取當前時間
 * 格式YYYY-MM-DD
 */
Vue.prototype.getNowFormatDate = function() {
  var date = new Date();
  var seperator1 = "-";
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var strDate = date.getDate();
  if (month >= 1 && month <= 9) {
    month = "0" + month;
  }
  if (strDate >= 0 && strDate <= 9) {
    strDate = "0" + strDate;
  }
  var currentdate = year + seperator1 + month + seperator1 + strDate;
  return currentdate;
};