SOURCE

new Vue({
  el: "#container",
  data: {
    contdats: [{
      changeMoney: "1.00",
      leftMoney: "2.00",
      memo: "tessssssst",
      addTime: "2019-02-12 14:19:48"
    },
    {
      changeMoney: "1000.00",
      leftMoney: "200.00",
      memo: "tessdfadfasdfat",
      addTime: "2019-02-13 12:19:48"
    },
    {
      changeMoney: "1000.00",
      leftMoney: "200.00",
      memo: "tessdfadfasdfat",
      addTime: "2019-02-13 12:19:48"
    },
    {
      changeMoney: "1.00",
      leftMoney: "2.00",
      memo: "tessdfadfasdfat",
      addTime: "2019-02-13 11:19:48"
    },
    {
      changeMoney: "1.00",
      leftMoney: "2.00",
      memo: "tesadfasdfasdfst",
      addTime: "2019-03-14 17:19:48"
    },
    {
      changeMoney: "1.00",
      leftMoney: "2.00",
      memo: "tesadfasdfasdfst",
      addTime: "2019-01-15 17:19:48"
    },
    {
      changeMoney: "100.00",
      leftMoney: "1002.00",
      memo: "我是这条数据",
      addTime: "2019-03-05 11:19:48"
    },
    {
      changeMoney: "1.00",
      leftMoney: "2.00",
      memo: "tesadfasdfasdfst",
      addTime: "2019-02-17 17:19:48"
    }]
  },
  computed: {
    newcontdats: function() {
      let temp = {};
      let end = [];
      let self = this;
      let list = this.contdats;
      for (let i = 0; i < list.length; i++) {
        let a = list[i];
        if (!temp[self.showYearMonthv(a.addTime)]) {
          end.push({
            addTime: self.showYearMonthv(a.addTime),
            data: [a]
          });
          temp[self.showYearMonthv(a.addTime)] = a;

        } else {
          for (let j = 0; j < end.length; j++) {

            let b = end[j];

            if (b.addTime == self.showYearMonthv(a.addTime)) {
              b.data.push(a);
              break;
            }
          }

        }
      };
      return end;
    }
  },
  filters: {
    filterday: function(value) {
      var day = value.substr(8, 2);
      if (day.substr(0, 1) == 0) {
        day = day.substr(1, 1);
      }
      return day;
    },
    filterdweek: function(value) {
      var year = value.substr(0, 4);
      var m = value.substr(5, 2);
      if (m.substr(0.1) == 0) {
        m = m.substr(1.1);
      }
      var month = m - 1;
      var day = value.substr(8, 2);
      if (day.substr(0, 1) == 0) {
        day = day.substr(1, 1);
      }
      var date = new Date(year, month, day);

      var week = date.getDay();
      var wk = 0;
      switch (week) {
      case 0:
        wk = "周末";
        break;
      case 1:
        wk = "周一";
        break;
      case 2:
        wk = "周二";
        break;
      case 3:
        wk = "周三";
        break;
      case 4:
        wk = "周四";
        break;
      case 5:
        wk = "周五";
        break;
      case 6:
        wk = "周六";
        break;
      }
      return wk;
    }
  },
  methods: {
    newdays: function(oldVal) {
      let temp = {};
      let end = [];
      let self = this;
      let list = oldVal;
      for (let i = 0; i < list.length; i++) {
        let a = list[i];
        if (!temp[a.addTime.substr(8, 2)]) {
          end.push({
            addTime: a.addTime.substr(8, 2),
            data: [a]
          });
          temp[a.addTime.substr(8, 2)] = a;

        } else {
          for (let j = 0; j < end.length; j++) {

            let b = end[j];

            if (b.addTime == a.addTime.substr(8, 2)) {
              b.data.push(a);
              break;
            }
          }

        }
      };
      console.log(JSON.stringify(end));
      return end;
    },
    //显示年月
    showYearMonthv: function(datetime) {
      var year = datetime.substr(0, 4);
      var month = datetime.substr(5, 2);
      if (month.substr(0, 1) == 0) {
        month = month.substr(1, 1);
      }
      return year + "年" + month + "月";
    },
    //显示周
    showDayv: function(datetime) {
      var self = this;
      var day = datetime.substr(8, 2);
      var date = self.getDatev(datetime);
      var week = date.getDay();
      var wk = 0;
      switch (week) {
      case 0:
        wk = "周末";
        break;
      case 1:
        wk = "周一";
        break;
      case 2:
        wk = "周二";
        break;
      case 3:
        wk = "周三";
        break;
      case 4:
        wk = "周四";
        break;
      case 5:
        wk = "周五";
        break;
      case 6:
        wk = "周六";
        break;
      }
      var html = "<dt>" + day + '</dt><dd class="aui-font-size-12 color-gray9">' + wk + "</dd>";
      return html;
    },
    //创建时间
    getDatev: function(datetime) {
      var year = datetime.substr(0, 4);
      var m = datetime.substr(5, 2);
      if (m.substr(0.1) == 0) {
        m = m.substr(1.1);
      }
      var month = m - 1;
      var day = datetime.substr(8, 2);
      if (day.substr(0, 1) == 0) {
        day = day.substr(1, 1);
      }
      var date = new Date(year, month, day);
      return date;
    }
  }
});

<div id="container">
  <div class="aui-margin-t-10 back-write " v-for="contdat in newcontdats">
    <h2 class="aui-padded-15 color-gray9 aui-font-size-14 aui-border-b">
      {{ contdat.addTime}}
    </h2>
    <div class="aui-border-b aui-border-t balan-section" v-for="cotd in newdays(contdat.data)">
      <dl class="balan-dl" v-for="cottd in cotd.data">
        <dt>
          {{cottd.addTime |filterday}}
        </dt>
        <dd class="aui-font-size-12 color-gray9">
          {{cottd.addTime |filterdweek}}
        </dd>
      </dl>
      <ul class="aui-border-l balan-right-ul">
        <li class="aui-border-b aui-padded-10" v-for="cottd in cotd.data">
          <p class="aui-font-size-16 color-black">
            {{ cottd.memo }}
            <span class="aui-pull-right">
              {{ cottd.changeMoney }}
            </span>
          </p>
        </li>
      </ul>
    </div>
  </div>
</div>

.balan-section {
  position: relative;
}

.balan-dl {
  width: 15%;
  text-align: center;
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  height: 2rem;
}

.aui-border-l {
  border-left: 1px solid #dddddd;
}

.aui-border-b {
  border-bottom: 1px solid #dddddd;
}

.aui-border-t {
  border-top: 1px solid #dddddd;
}

.balan-right-ul {
  margin-left: 15%;
  line-height: 1.1rem;
}

body {
  background-color: #fff;
}

.aui-pull-right {
  float: right !important;
}