<template>
  <div ref="chart" style="width: 520px; height: 280px;margin-top: 0%;"></div>
</template>
 
<script>
import * as echarts from 'echarts';
 
export default {
  name: 'DoubleAxisChart',
  mounted() {
    this.initChart();
  },
  methods: {
    initChart() {
      const chartDom = this.$refs.chart;
      const myChart = echarts.init(chartDom);
      const option = {
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          },
          formatter: (params) => {
            console.log(params)
            return `空箱：${params[0].value}标箱<br/>危险品：${params[1].value}标箱`;
          }
        },
        legend: {
          data: ['空箱', '危险品'],
          left: 'right',
          icon: 'line',
          itemWidth: 30,
          itemHeight: .0,
          itemGap: 10,
          textStyle: {
            color: 'white',
            fontSize: 16,
            fontWeight: 'normal',
            fontFamily: 'Arial, sans-serif'
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            boundaryGap: false,
            data: ['点1', '点2', '点3', '点4', '点5', '点6', '点7']
          }
        ],
        yAxis: [
          {
            type: 'value',
            name: '',
            axisLine: {
              lineStyle: {
                color: 'white'
              }
            },
            splitLine: { lineStyle: { color: '#081b42' } },
            axisLabel: {
              formatter: '{value}标箱'
            }
          },
          {
            type: 'value',
            name: '',
            axisLine: {
              lineStyle: {
                color: 'white'
              }
            },
            splitLine: { lineStyle: { color: '#081b42' } },
            axisLabel: {
              formatter: '{value}标箱'
            }
          }
        ],
        series: [
          {
            name: '空箱',
            type: 'line',
            stack: '总量',
            areaStyle: {color: 'orange'},
            emphasis: {
              focus: 'series'
            },
            data: [120, 132, 101, 134, 90, 230, 210],
            lineStyle: {
              color: 'orange', // 线条颜色
              width: 2, // 线条宽度
            },
          },
          {
            name: '危险品',
            type: 'line',
            yAxisIndex: 1, // 使用第二个Y轴
            stack: '总量',
            areaStyle: {color: 'blue'},
            emphasis: {
              focus: 'series'
            },
            data: [220, 182, 191, 234, 290, 330, 310],
            lineStyle: {
              color: 'blue', // 线条颜色
              width: 2, // 线条宽度
            },
          }
        ]
      };
      myChart.setOption(option);
    }
  }
};
</script>