yelaixiang/utils/getTime.js

var now = new Date(); // 当前日期
var nowDayOfWeek = now.getDay(); // 今天本周的第几天
var nowDay = now.getDate(); // 当前日
var nowMonth = now.getMonth(); // 当前月
var nowYear = now.getYear(); // 当前年
nowYear += (nowYear < 2000) ? 1900 : 0;
  
var DateUtil = {
    /**
     * 获得当前日期
     *
     * @returns
     */
    getNowDay() {
        return this.formatDate(new Date());
    },
    /**
     * 获得本周的开始时间
     *
     * @returns
     */
    getStartDayOfWeek() {
        var day = nowDayOfWeek || 7;
        return this.formatDate(new Date(now.getFullYear(), nowMonth, nowDay + 1 - day));
    },
    /**
     * 获得本周的结束时间
     *
     * @returns
     */
    getEndDayOfWeek() {
        var day = nowDayOfWeek || 7;
        return this.formatDate(new Date(now.getFullYear(), nowMonth, nowDay + 7 - day));
    },
    /**
     * 获得本月的开始时间
     *
     * @returns
     */
    getStartDayOfMonth() {
        var monthStartDate = new Date(nowYear, nowMonth, 1);
        return this.formatDate(monthStartDate);
    },
    /**
     * 获得本月的结束时间
     *
     * @returns
     */
    getEndDayOfMonth() {
        var monthEndDate = new Date(nowYear, nowMonth, this.getMonthDays());
        return this.formatDate(monthEndDate);
    },
    /**
     * 获得本月天数
     *
     * @returns
     */
    getMonthDays() {
        var monthStartDate = new Date(nowYear, nowMonth, 1);
        var monthEndDate = new Date(nowYear, nowMonth + 1, 1);
        var days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
        return days;
    },
    /**
     * @param 日期格式化
     * @returns {String}
     */
    formatDate(date) {
        var myyear = date.getFullYear();
        var mymonth = date.getMonth() + 1;
        var myweekday = date.getDate();
  
        if (mymonth < 10) {
            mymonth = "0" + mymonth;
        }
        if (myweekday < 10) {
            myweekday = "0" + myweekday;
        }
        return (myyear + "-" + mymonth + "-" + myweekday);
    }
};
//  去掉年份
var DateUtilNo = {
  /**
   * 获得当前日期
   *
   * @returns
   */
  getNowDay() {
      return this.formatDate(new Date());
  },
  /**
   * 获得本周的开始时间
   *
   * @returns
   */
  getStartDayOfWeek() {
      var day = nowDayOfWeek || 7;
      return this.formatDate(new Date(now.getFullYear(), nowMonth, nowDay + 1 - day));
  },
  /**
   * 获得本周的结束时间
   *
   * @returns
   */
  getEndDayOfWeek() {
      var day = nowDayOfWeek || 7;
      return this.formatDate(new Date(now.getFullYear(), nowMonth, nowDay + 7 - day));
  },
  /**
   * 获得本月的开始时间
   *
   * @returns
   */
  getStartDayOfMonth() {
      var monthStartDate = new Date(nowYear, nowMonth, 1);
      return this.formatDate(monthStartDate);
  },
  /**
   * 获得本月的结束时间
   *
   * @returns
   */
  getEndDayOfMonth() {
      var monthEndDate = new Date(nowYear, nowMonth, this.getMonthDays());
      return this.formatDate(monthEndDate);
  },
  /**
   * 获得本月天数
   *
   * @returns
   */
  getMonthDays() {
      var monthStartDate = new Date(nowYear, nowMonth, 1);
      var monthEndDate = new Date(nowYear, nowMonth + 1, 1);
      var days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
      return days;
  },
  /**
   * @param 日期格式化
   * @returns {String}
   */
  formatDate(date) {
      var myyear = date.getFullYear();
      var mymonth = date.getMonth() + 1;
      var myweekday = date.getDate();

      if (mymonth < 10) {
          mymonth = "0" + mymonth;
      }
      if (myweekday < 10) {
          myweekday = "0" + myweekday;
      }
      return (mymonth + "." + myweekday);
  }
};
export{
    DateUtil,
    DateUtilNo
}