admin-govern/src/components/echarts/MyEchart.vue

<template>
    <div ref="chartRef" class="my-chart" />
</template>

<script setup lang="ts">
import { onBeforeUnmount, onMounted, ref, defineExpose, watch } from 'vue'
import echarts from './echarts'
import 'echarts/lib/component/dataZoom'

const props = defineProps(['options'])
const chartRef = ref<HTMLDivElement>()
let chart: echarts.ECharts | null = null
const resizeHandler = () => {
    setTimeout(() => {
        chart?.resize()
    }, 100)
}
const initChart = () => {
    chart?.dispose()

    chart = echarts.init(chartRef.value as HTMLDivElement)
    chart.setOption({
        title: {
            ...props.options.title,
            left: 'center',
            textStyle: {
                color: '#000',
                fontSize: 18
            }
        },
        tooltip: {
            ...(props.options.tooltip || null),
            trigger: 'axis',

            axisPointer: {
                type: 'shadow',
                label: {
                    color: '#fff',
                    fontSize: 16
                }
            },
            textStyle: {
                color: '#fff',
                fontStyle: 'normal',
                opacity: 0.35,
                fontSize: 14
            },
            backgroundColor: 'rgba(0,0,0,0.35)',
            borderWidth: 0
        },
        legend: {
            ...(props.options.xAxis.legend || null),
            right: 20,
            top: 0,
            itemGap: 10,
            itemStyle: {},
            textStyle: {
                fontSize: 12,
                padding: [2, 0, 0, 0] //[上、右、下、左]
            },
            itemWidth: 15,
            itemHeight: 10
        },

        grid: {
            top: '50px',
            left: '10px',
            right: '40px',
            bottom: '40px',

            containLabel: true
        },
        xAxis: [
            {
                ...(props.options.xAxis || null),
                type: 'category',
                axisTick: { show: false },
                axisLine: {
                    lineStyle: {
                        color: '#000'
                    }
                },
                axisLabel: {
                    textStyle: {
                        fontFamily: 'dinproRegular',
                        color: '#000',
                        fontSize: '12'
                    }
                }
            }
        ],
        yAxis: [
            {
                ...(props.options.yAxis || null),
                type: 'value',

                nameTextStyle: {
                    color: '#000'
                },
                minInterval: 1,
                axisLine: {
                    show: true,
                    lineStyle: {
                        color: '#000'
                    }
                },
                axisLabel: {
                    color: '#000',
                    fontSize: 14
                },
                splitLine: {
                    lineStyle: {
                        // 使用深浅的间隔色
                        color: ['#000'],
                        type: 'dashed',
                        opacity: 0.5
                    }
                }
            }
        ],
        dataZoom: [
            {
                type: 'inside',
                height: 13,
                start: 0,
                bottom: '20px',
                end: 100
            },
            {
                start: 0,
                height: 13,
                bottom: '20px',
                end: 100
            }
        ],
        color: [
            ...(props.options.color || ''),
            '#07CCCA ',
            '#00BFF5',
            '#FFBF00',
            '#77DA63',
            '#D5FF6B',
            '#Ff6600',
            '#FF9100',
            '#5B6E96',
            '#66FFCC',
            '#B3B3B3'
        ],
        ...props.options.options
    })
}
onMounted(() => {
    setTimeout(() => {
        // initChart()
    }, 20)
    window.addEventListener('resize', resizeHandler)
})
defineExpose({ initChart })
onBeforeUnmount(() => {
    window.removeEventListener('resize', resizeHandler)
    chart?.dispose()
})
watch(
    () => props.options,
    (newVal, oldVal) => {
        initChart()
    }
)
</script>

<style lang="scss" scoped>
.my-chart {
    height: 100%;
    width: 100%;
}
</style>