148 lines
3.1 KiB
Vue
148 lines
3.1 KiB
Vue
<template>
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<div class="pie-chart-container">
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<!-- 标题栏 -->
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<div class="chart-header">
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<TitleComponent title="报警类型分布" :fontLevel="2" />
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<el-select v-model="selectedTimeRange" placeholder="选择时间范围" size="small">
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<el-option label="今日" value="today" />
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</el-select>
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</div>
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<!-- 图表 -->
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<div ref="pieChartRef" class="chart-content"></div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, watch } from 'vue';
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import * as echarts from 'echarts';
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import TitleComponent from '@/components/TitleComponent/index.vue';
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// 定义props
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const props = defineProps({
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alarmTypeData: {
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type: Array,
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default: () => []
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}
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});
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const selectedTimeRange = ref('today');
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const pieChartRef = ref(null);
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let chartInstance = null;
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onMounted(() => {
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initChart();
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window.addEventListener('resize', handleResize);
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});
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const handleResize = () => {
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if (chartInstance) {
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chartInstance.resize();
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}
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};
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const initChart = () => {
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if (pieChartRef.value) {
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chartInstance = echarts.init(pieChartRef.value);
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} else {
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console.warn('Chart container not found');
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return;
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}
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const option = {
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backgroundColor: '#fff',
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tooltip: {
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trigger: 'item',
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formatter: '{b}: {d}%'
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},
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legend: {
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bottom: '5%',
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left: 'center',
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formatter: (name) => {
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// 计算每个数据项的百分比
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const data = option.series[0].data;
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const total = data.reduce((sum, item) => sum + item.value, 0);
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const item = data.find(item => item.name === name);
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const percentage = item ? Math.round((item.value / total) * 100) : 0;
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return `${name}(${percentage}%)`;
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}
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},
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// 添加图形组件，用于在半圆中心显示图片
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graphic: [
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{
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type: 'image',
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id: 'alarmImage',
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// 图片位置与半圆中心一致
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left: 'center',
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top: '50%',
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// 图片大小
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width: 60,
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height: 60,
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// 图片路径
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style: {
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image: '/src/assets/demo/baojing.png',
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// 保持图片原始比例
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width: 60,
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height: 60
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},
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// 图片中心点调整
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origin: [30, 30]
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}
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],
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series: [
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{
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name: '报警类型分布',
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type: 'pie',
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radius: [100, 200],
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center: ['50%', '70%'],
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// adjust the start and end angle
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startAngle: 180,
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endAngle: 360,
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data: props.alarmTypeData,
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label: {
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show: true,
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position: 'inner',
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formatter: '{d}%',
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color: '#fff',
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fontSize: 14,
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}
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}
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]
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};
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chartInstance.setOption(option);
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};
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</script>
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<style scoped lang="scss">
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.pie-chart-container {
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width: 100%;
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height: 400px;
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background: #fff;
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padding: 20px;
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box-sizing: border-box;
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}
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.chart-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 20px;
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}
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.chart-header h3 {
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margin: 0;
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font-size: 16px;
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font-weight: 500;
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color: #333;
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}
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.chart-content {
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width: 100%;
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height: calc(100% - 60px);
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}
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:deep(.el-select) {
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width: 80px;
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}
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</style> |