baozhida-building-system/src/views/index/LineChart.vue

<template>
    <div ref="chartDom" style="width: 100%;height: 100%;" />
</template>

<script setup>
import * as echarts from 'echarts'
const props = defineProps({
    lineData: {
        type: Object,
        default: {}
    }
})
const chartDom = ref(null);
let chartInstance = null;
// 初始化图表
const initChart = () => {
    chartInstance = echarts.init(chartDom.value);
    chartInstance.setOption({
        tooltip: {
            trigger: 'axis',
            textStyle: {
                color: '#fafafa',
            },
            borderColor: 'transparent',
            backgroundColor: 'rgba(0, 0, 0, 0.5)',
            extraCssText: 'backdrop-filter: blur(6px);',
        },
        grid: {
            left: '4%',
            right: '4%',
            bottom: '10%',
            top: '16%',
            containLabel: true,
        },
        xAxis: {
            data: Object.keys(props.lineData),
            type: 'category',
            boundaryGap: false,
            axisLine: {
                symbol: 'none',
                lineStyle: {
                    color: '#50637A',
                },
            },
            axisTick: {
                show: false,
            },
            axisLabel: {
                interval: 0,
                color: '#ffffff',
                fontSize: 12,
                padding: [10, 0, 0, 0],
            },
        },
        yAxis: {
            type: 'value',
            axisLabel: {
                color: '#ffffff',
                fontSize: 12,
                padding: [0, 10, 0, 0],
            },
            splitLine: {
                show: false,
            },
        },
        series: [
            {
                name: '增加值',
                data: Object.entries(props.lineData),
                type: 'line',
                color: 'rgb(49, 143, 247)',
                lineStyle: {
                    width: 2,
                },
                areaStyle: {
                    color: new echarts.graphic.LinearGradient(
                        0,
                        0,
                        0,
                        1,
                        [{
                            offset: 0,
                            color: 'rgba(49, 143, 247, .6)',
                        },
                        {
                            offset: 0.8,
                            color: 'rgba(49, 143, 247, .2)',
                        },
                        ],
                        false
                    ),
                    shadowColor: 'rgba(0, 0, 0, 0.1)',
                    shadowBlur: 10,
                },
                symbol: 'circle',
                symbolSize: 6,
            },
        ],
    });
};

watch(() => props.lineData, (newVal) => {
    if (chartInstance) {
        chartInstance.setOption({
            xAxis: {
                data: Object.keys(props.lineData),
            },
            series: [{
                data: Object.entries(props.lineData),
            }],
        })
    }
}, { deep: true, immediate: true } // 开启深度监听
)
// 生命周期
onMounted(initChart);
// 窗口自适应
window.addEventListener('resize', () => {
    chartInstance?.resize();
});
</script>

<style lang="scss"></style>