<template>
  <div :style="{height:height,width:width}"></div>
</template>

<script>
  import echarts from 'echarts';
  require('echarts/theme/macarons'); // echarts 主题

  export default {
    props: {
      width: {
        type: String,
        default: '100%'
      },
      height: {
        type: String,
        default: '220px'
      },
      series: {
        type: Array,
        default: []
      },
      title: {
        type: String,
        default: ''
      },
      xAxisData: {
        type: Array,
        default: function () {
        return []
        }
      }
    },
    data() {
      return {
        chart: null
      };
    },
    mounted() {
      this.initChart();
    },
    beforeDestroy() {
      if (!this.chart) {
        return
      }
      this.chart.dispose()
      this.chart = null
    },
    watch: {
      series: {
        handler() {
          this.initChart()
        },
        deep: true
      },
      xAxisData: {
        handler() {
          this.initChart()
        },
        deep: true
      }
    },
    methods: {
      initChart() {
        if (this.chart !== null && this.chart !== '' && this.chart !== undefined) {
          this.chart.dispose();
        }
        this.chart = echarts.init(this.$el, 'macarons');

        this.chart.setOption({
          title: {
            text: "接口日分析",
            textStyle: {
              color: '#333',
              fontSize: 16
            }
          },
          legend: {
            data:['接入数据量','下发数据量']
          },
          xAxis: {
            data: this.xAxisData,
            boundaryGap: false
          },
          grid: {
            top: '15%',
            left: 10,
            right: 40,
            bottom: 20,
            containLabel: true
          },
          toolbox: {
            show : true,
            feature : {
              mark : {show: true},
              dataView : {show: true, readOnly: false},
              magicType : {show: true, type: ['line', 'bar']}  // 柱状图和折线图切换
            }
          },
          calculable : true,
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross'
            }
          },
          yAxis: {},
          series:
            [{
            name: '接入数据量',
            itemStyle: {
              normal: {
                areaStyle: {}
              }
            },
            smooth: true,
            type: 'line',
            data: [100, 120, 161, 134, 105, 160, 165],
            animationDuration: 2600,
            animationEasing: 'cubicInOut'
          },
          {
            name: '下发数据量',
            smooth: true,
            type: 'line',
            itemStyle: {
              normal: {
                color: 'rgba(2, 197, 233, 0.2)',
                lineStyle: {
                  color: 'rgba(2, 197, 233, 0.2)'
                },
                areaStyle: {
                  color: 'rgba(99,194,255, 0.6)'
                }
              }
            },
            data: [120, 82, 91, 154, 162, 140, 130],
            animationDuration: 2000,
            animationEasing: 'quadraticOut'
          }]
        })
      }
    }
}
</script>

        效果图