iot-front-ui/src/components/dashboard/portrait/cold/coldTrendChart.vue

<script>
export default {
  data() {
    return {

    }
  },
  props: {
    height: Number,
  },
  mounted() {
    this.$nextTick(()=>{
      this.initChart()
    })
  },
  methods: {
    initChart() {
      let chart = this.$echarts.init(this.$refs.myChart)
      let defaultOption = {
        legend: {
          data: [
            '用冷量',
            '温度',
          ]
        },
        grid: {
          left: '0%', //默认10%
          right: '0%', //默认10%
          bottom: '15%', //默认60
          top: '15%',
          containLabel: true
          //grid区域是否包含坐标轴的刻度标签
        },
        xAxis: {
          data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月']
        },
        yAxis: [
          {
            name: '冷量(kWh)',
            type: 'value',
            nameTextStyle: {
              padding: [10, 0, 10, 0]
            },
          },
          {
            name: '温度(℃)',
            type: 'value',
            nameTextStyle: {
              padding: [10, 0, 10, -12]
            },
          },
        ],
        dataZoom: [
          {
            start: 0,
            end: 100,
            height: 16,
          }
        ],
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          },
          textStyle: {
            color: '#fff',
            align: 'left',
            fontSize: 14
          },
          axisLine: {//x坐标轴轴线
            show: true,
            lineStyle: {//x坐标轴轴线样式
              color: '#000',//'#ccc' | 'rgb(128, 128, 128)' | 'rgba(128, 128, 128, 0.5)'，设置标签颜色
            }
          },
          backgroundColor: 'rgba(0,0,0,0.8)',
        },
        series: [
          {
            name: '用冷量',
            data: [35, 71, 51, 32, 28, 66, 42, 42, 87, 34, 88, 45],
            type: 'line',
            stack: 'a',
            yAxisIndex:0,
            smooth: true,
            lineStyle: {
              color: "#62CC97",
              width: 1,
            },
            itemStyle: {
              color: '#62CC97'
            },
            emphasis: {
              scale:1.5
            }
          },
          {
            name: '温度',
            data: [23, 23, 17, 19, 20, 24, 23, 22, 22, 18, 25, 16],
            type: 'line',
            stack: 'b',
            smooth: true,
            yAxisIndex:1,
            lineStyle: {
              color: "#FDB456",
              width: 1,
            },
            itemStyle: {
              color: '#FDB456'
            },
            emphasis: {
              scale:1.5
            },
          },
        ]
      };
      //Object.assign(defaultOption, this.option)
      chart.setOption(defaultOption)
    }
  }
}
</script>

<template>
  <div style="width: 100%" :style="{height: height+'px'}" ref="myChart"></div>
</template>

<style lang="less" scoped>

</style>