<template>
  <!-- 外层 -->
  <div>
    <!-- 上面 -->
    <header>
      <!-- 上面item -->
      <div class="fl">
        <div class="leftimg">
          <img src="../../assets/orders.png" width="50px" alt />
        </div>
        <div class="righttext">
          <div>总订单</div>
          <div>{{totalOrder}}</div>
        </div>
      </div>
      <div class="fl">
        <div class="leftimg">
          <img src="../../assets/order.png" width="50px" alt />
        </div>
        <div class="righttext">
          <div>总销售</div>
          <div>{{totalAmount}}</div>
        </div>
      </div>
      <div class="fl">
        <div class="leftimg">
          <img src="../../assets/mony.png" width="50px" alt />
        </div>
        <div class="righttext">
          <div>今日订</div>
          <div>{{todayOrder}}</div>
        </div>
      </div>
      <div class="fl">
        <div class="leftimg">
          <img src="../../assets/rice.png" width="50px" alt />
        </div>
        <div class="righttext">
          <div>今日销</div>
          <div>{{totayAmount}}</div>
        </div>
      </div>
    </header>
    这里是获取图表的dom节点
    <main>
      <div ref="main" style="width: 100%;height:400px;"></div>
    </main>
  </div>
</template>

<script>
引入图表
import * as echarts from "echarts";
这个是接口信息
import { orderTotal } from "../../api/chart.api";

export default {
  data() {
    return {
      myChart: {},
      xData: "",
      orderData: "",
      amountData: "",
      totalOrder: "",
      totalAmount: "",
      todayOrder: "",
      totayAmount: ""
    };
  },

  async mounted() {
  给图表初始化
    let myChart = echarts.init(this.$refs.main);
    const res = await orderTotal();
    this.xData = res.data.xData;
    this.orderData = res.data.orderData;
    this.amountData = res.data.amountData;
    this.totalOrder = res.data.totalOrder;
    this.totalAmount = res.data.totalAmount;
    this.todayOrder = res.data.todayOrder;
    this.totayAmount = res.data.totayAmount;
    // this.$nextTick(() => {
    myChart.setOption({
      title: {
        text: ""
      },
      tooltip: {
        trigger: "axis"
      },
      legend: {
        data: ["订单数据", "金额数据"]
      },
      grid: {
        left: "3%",
        right: "4%",
        bottom: "3%",
        containLabel: true
      },
      toolbox: {
        feature: {
          saveAsImage: {}
        }
      },
      xAxis: {
        type: "category",
        boundaryGap: false,
        data: this.xData
      },
      yAxis: {
        type: "value"
      },
      series: [
        {
          name: "订单数据",
          type: "line",
          stack: "Total",
          data: this.orderData
        },
        {
          name: "金额数据",
          type: "line",
          stack: "Total",
          data: this.amountData
        }
      ]
    });
    window.onresize = function() {
      myChart.resize();
    };
  },
  destroyed() {
    window.onresize = null;
  }
};
</script>

<style lang="scss" scoped>
header {
  display: flex;
  justify-content: space-between;
}
.fl {
  display: flex;
  height: 70px;
  width: 160px;
  box-sizing: border-box;
  padding: 10px;
  background-color: white;
  .leftimg {
    height: 70px;
    width: 100px;
    vertical-align: middle;
    // background-color: aqua;
  }
  .righttext {
    height: 70px;
    width: 60px;
    // background-color: bisque;
    line-height: 25px;
  }
}
</style>