diff --git a/utils/getperiod.js b/utils/getperiod.js
new file mode 100644
index 0000000..edbe0b0
--- /dev/null
+++ b/utils/getperiod.js
@@ -0,0 +1,138 @@
+class GetPeriod {
+  constructor(year, month, day) {
+    this.now = (year == undefined || month == undefined || day == undefined)? new Date(): new Date(year, month, day) 
+    //console.log(this.now.getFullYear())
+    this.nowYear = this.now.getFullYear(); //当前年 
+    this.nowMonth = this.now.getMonth(); //当前月 
+    this.nowDay = this.now.getDate(); //当前日 
+    this.nowDayOfWeek = this.now.getDay() == 0? 7: this.now.getDay(); //今天是本周的第几天 
+    //this.nowYear += (this.nowYear < 2000) ? 1900 : 0;
+  }
+
+  //获取当日零点的时间
+  getZeroTime() {
+    return new Date(this.nowYear, this.nowMonth, this.nowDay)
+  }
+
+  //格式化数字
+  formatNumber(n) {
+    n = n.toString()
+    return n[1] ? n : '0' + n
+  }
+  //格式化日期
+  formatDate(date) {
+    let myyear = date.getFullYear();
+    let mymonth = date.getMonth() + 1;
+    let myweekday = date.getDate();
+    return [myyear, mymonth, myweekday].map(this.formatNumber).join('-');
+  }
+  //格式化年月
+  formatYearMonth(date) {
+    let myyear = date.getFullYear();
+    let mymonth = date.getMonth() + 1;
+    return [myyear, mymonth].map(this.formatNumber).join('-');
+  }
+  //获取某月的天数
+  getMonthDays(myMonth) {
+    let monthStartDate = new Date(this.nowYear, myMonth, 1);
+    let monthEndDate = new Date(this.nowYear, myMonth + 1, 1);
+    let days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
+    return days;
+  }
+  //获取本季度的开始月份
+  getQuarterStartMonth() {
+    let startMonth = 0;
+    if (this.nowMonth < 3) {
+      startMonth = 0;
+    }
+    if (2 < this.nowMonth && this.nowMonth < 6) {
+      startMonth = 3;
+    }
+    if (5 < this.nowMonth && this.nowMonth < 9) {
+      startMonth = 6;
+    }
+    if (this.nowMonth > 8) {
+      startMonth = 9;
+    }
+    return startMonth;
+  }
+  //获取今天的日期
+  getNowDate() {
+    return this.formatDate(new Date(this.nowYear, this.nowMonth, this.nowDay));
+  }
+
+  //单独获取今天的年月
+  getNowYearMonth() {
+    return this.formatYearMonth(new Date(this.nowYear, this.nowMonth, this.nowDay));
+  }
+
+  //获取本周的开始日期
+  getWeekStartformatDate() {
+    return this.formatDate(new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek + 1));
+  }
+
+  //获取本周的开始日期
+  getWeekStartDate() {
+    const date = new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek + 1) 
+    return date;
+  }
+
+  //获取本周的结束日期
+  getWeekEndformatDate() {
+    return this.formatDate(new Date(this.nowYear, this.nowMonth, this.nowDay + (6 - this.nowDayOfWeek + 1)));
+  }
+
+  //获取本周的结束日期
+  getWeekEndDate() {
+    const date = new Date(this.nowYear, this.nowMonth, this.nowDay + (6 - this.nowDayOfWeek + 1))
+    return date;
+  }
+  //获取本月的开始日期
+  getMonthStartDate() {
+    return this.formatDate(new Date(this.nowYear, this.nowMonth, 1));
+  }
+  //获取本月的结束日期
+  getMonthEndDate() {
+    return this.formatDate(new Date(this.nowYear, this.nowMonth, this.getMonthDays(this.nowMonth)));
+  }
+  //获取本季度的开始日期
+  getQuarterStartDate() {
+    return this.formatDate(new Date(this.nowYear, this.getQuarterStartMonth(), 1));
+  }
+  //获取本季度的结束日期 
+  getQuarterEndDate() {
+    return this.formatDate(new Date(this.nowYear, this.getQuarterStartMonth() + 2, this.getMonthDays(this.getQuarterStartMonth() + 2)));
+  }
+  //获取本年的开始日期
+  getYearStartDate() {
+    return this.formatDate(new Date(this.nowYear, 0, 1));
+  }
+  //获取本年的结束日期
+  getYearEndDate() {
+    return this.formatDate(new Date(this.nowYear, 11, 31));
+  }
+  //获取时段方法
+  getPeriod(obj) {
+    let opts = obj || {}, time = null;
+    opts = {
+      periodType: opts.periodType || 'now',
+      spaceType: opts.spaceType || '~'
+    }
+    function formatNumber(param1, param2) {
+      return [param1, param2].join(opts.spaceType);
+    }
+    if (opts.periodType == 'week') {
+      time = formatNumber(this.getWeekStartDate(), this.getWeekEndDate());
+    } else if (opts.periodType == 'month') {
+      time = formatNumber(this.getMonthStartDate(), this.getMonthEndDate());
+    } else if (opts.periodType == 'quarter') {
+      time = formatNumber(this.getQuarterStartDate(), this.getQuarterEndDate());
+    } else if (opts.periodType == 'year') {
+      time = formatNumber(this.getYearStartDate(), this.getYearEndDate());
+    } else {
+      time = formatNumber(this.getNowDate(), this.getNowDate());
+    }
+    return time;
+  }
+}
+module.exports = GetPeriod;
\ No newline at end of file
diff --git a/utils/util.js b/utils/util.js
new file mode 100644
index 0000000..0cbb61a
--- /dev/null
+++ b/utils/util.js
@@ -0,0 +1,19 @@
+const formatTime = date => {
+  const year = date.getFullYear()
+  const month = date.getMonth() + 1
+  const day = date.getDate()
+  const hour = date.getHours()
+  const minute = date.getMinutes()
+  const second = date.getSeconds()
+
+  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
+}
+
+const formatNumber = n => {
+  n = n.toString()
+  return n[1] ? n : '0' + n
+}
+
+module.exports = {
+  formatTime: formatTime
+}