admin-fiveFollowing/src/views/dataManage/chainAnalysis/ehcarts/index.vue

<template>
  <div shadow="never" class="homeBoxCard" v-loading="loading">
    <br>
    <div class="height300" ref="chainChartRef" />
     <br>
  </div>
</template>
<script>
import { defineComponent, onMounted, ref, watch } from 'vue'
import * as echarts from 'echarts'

export default defineComponent({
  name: 'CurveCom',
  props: {
    echartsDataOne: Object,
  },

  setup(props) {
    const chainChartRef = ref(null)
    const resultListDate=ref([])

    // 读取数据 func
    const loading = ref(true)
    const getData = async () => {
      loading.value = false
      var aa = props.echartsDataOne.listDate
      var bb = props.echartsDataOne.listDate2
     
      resultListDate.value = aa.map(function (index, item) {
        return index +' - '+ bb[item]
      })
    }
    function echarts2() {
      let myChart = echarts.init(chainChartRef.value)
      // 绘制图表
      myChart.setOption({
        color: ['#FEB70D', '#50F335', '#0DC8FE'],
        title: {
          text: props.echartsDataOne.name,
          left: '2.5%',
          textStyle: {
            color: '#9d9d9d',
            fontSize: 14,
            fontWeight: 600,
          },
        },
        tooltip: {
          trigger: 'axis',
        },
        // 图列组件
        legend: {
          itemHeight: 10, //改变圆圈大小
          itemWidth: 26, //改变圆圈大小
          itemGap: 30,
          textStyle: {
            color: 'black',
          },
          left: 'center',
          // bottom: '0',
        },
        toolbox: {
          show: true,
          feature: {
            saveAsImage: { show: true, color: 'black' },
          },
          iconStyle: {
            borderColor: '#666',
          },
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '5%',
          containLabel: true,
        },
        xAxis: {
          type: 'category',
          boundaryGap: true,
          data: props.echartsDataOne ? resultListDate.value : [],
          axisTick: {
            show: true, //去除刻度线
          },
      //  axisLabel:false,
          // axisLabel: {
          //   interval:0,
          //       rotate:"-12",
          //   color: 'black', // 文本颜色
          // },
          axisLine: {
            show: false, // 去除轴线
          },
        },
        yAxis: {
          nameTextStyle: {
            color: 'black',
            fontSize: 10,
          },
          type: 'value',
          axisTick: {
            show: true, //去除刻度线
          },
          axisLabel: {
            color: 'black', // 文本颜色
          },
          axisLine: {
            show: true, // 去除轴线
            lineStyle: {
              color: 'black',
            },
          },
          splitNumber: 5,
          splitLine: {
            show: true,
            lineStyle: {
              color: '#9d9d9d',
            },
          },
        },
        series: [
          {
            name: '本期',
            type: 'line',
            smooth: false,
            data: props.echartsDataOne.list2,
            symbolSize: 6,
            markPoint: {
              data: [
                { type: 'max', name: 'Max' },
                { type: 'min', name: 'Min' },
              ],
            },
          },
          {
            name: '上期',
            type: 'line',
            smooth: false,
            data: props.echartsDataOne.list,
            symbolSize: 6,
            markPoint: {
              data: [
                { type: 'max', name: 'Max' },
                { type: 'min', name: 'Min' },
              ],
            },
          },
        ],
      })
      window.onresize = function () {
        // 自适应大小
        myChart.resize()
      }
    }

    const writeValue = (val) => {
   
      val

      getData()
      echarts2()
    }

    //监听变化
    watch(
      () => props.echartsDataOne,
      (newVal, oldVal, clear) => {
        // 执行异步任务，并得到关闭异步任务的 id
        // console.log(newVal)
        let id = writeValue(newVal, oldVal)
        // 如果 watch 监听被重复执行了，则会先清除上次未完成的异步任务
        clear(() => clearTimeout(id))
      },
      { lazy: true }
    )

    onMounted(() => {
      getData()
      echarts2()
    })

    return {
      chainChartRef,
      loading,
      echarts,
      resultListDate
    }
  },
})
</script>
<style lang="scss" scoped>
.homeBoxCard {
  // margin-bottom: 24px;
  ::v-deep(.el-card__header) {
    padding-left: 12px;
    padding-right: 12px;
  }
  ::v-deep(.el-card__body) {
    padding: 12px;
    font-size: 14px;
    line-height: 1.5715;
  }
  ::v-deep(.el-divider) {
    margin: 8px 0;
  }
  .num {
    font-size: 30px;
    color: #515a6e;
  }
  .height300 {
    height: 15rem;
  }
}
</style>