WholeProcessPlatform/frontend/src/modules/shengTaiLiuLiangXieFangSheShiMod/xieFangFangShi/index.vue

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<!-- SidePanelItem.vue -->
<template>
<div class="xie-fang-fang-shi-container">
<SidePanelItem title="生态流量泄放方式">
<div ref="chartRef" class="pie-chart"></div>
</SidePanelItem>
</div>
</template>
<script lang="ts" setup>
import { ref, onMounted, onBeforeUnmount } from 'vue';
import SidePanelItem from '@/components/SidePanelItem/index.vue';
import * as echarts from 'echarts';
import type { ECharts } from 'echarts';
// 定义组件名(便于调试和递归)
defineOptions({
name: 'xieFangFangShi'
});
const chartRef = ref<HTMLElement | null>(null);
let chartInstance: ECharts | null = null;
// 静态数据
const pieData = [
{ value: 44.83, name: '基荷发电' },
{ value: 19.31, name: '泄洪设施' },
{ value: 8.28, name: '生态机组' },
{ value: 8.96, name: '生态放流管' },
{ value: 9.65, name: '生态放流闸' },
{ value: 5.52, name: '生态放流孔' },
{ value: 3.45, name: '生态放流洞' }
];
// 颜色配置(根据图片配色)
const colors = [
'#9556a4', // 基荷发电 - 紫色
'#30b7b9', // 泄洪设施 - 青绿色
'#4b79ab', // 生态机组 - 蓝色
'#dbb629', // 生态放流管 - 黄色
'#df91ab', // 生态放流闸 - 粉色
'#78c300', // 生态放流孔 - 浅绿色
'#7399c6' // 生态放流洞 - 浅蓝色
];
// 初始化图表
const initChart = () => {
if (!chartRef.value) return;
// 确保容器有正确的高度
if (chartRef.value.clientHeight === 0) {
// 如果容器高度为 0延迟初始化
setTimeout(() => {
initChart();
}, 100);
return;
}
chartInstance = echarts.init(chartRef.value);
const option = {
tooltip: {
trigger: 'item',
formatter: '{b}: {c}%'
},
series: [
{
name: '泄放设施',
type: 'pie',
radius: ['42%', '62%'], // 环形:内径 42%,外径 62%(进一步缩小)
center: ['50%', '50%'],
avoidLabelOverlap: true,
itemStyle: {
borderRadius: 0,
borderColor: '#fff',
borderWidth: 2
},
label: {
show: true,
position: 'outside',
alignTo: 'edge', // 标签对齐到边缘
margin: 8, // 标签与圆环的距离
formatter: (params: any) => {
return `{name|${params.name}}\n{value|${params.value}%}`;
},
rich: {
name: {
fontSize: 12,
color: '#666666', // 灰蓝色标签
lineHeight: 18,
fontFamily: 'Microsoft YaHei, sans-serif',
align: 'left' // 左对齐
},
value: {
fontSize: 12,
color: '#2f6b98', // 灰蓝色百分比
lineHeight: 18,
fontFamily: 'Microsoft YaHei, sans-serif',
align: 'center', // 左对齐
fontWeight: 'bold' // 百分比加粗
}
},
overflow: 'none', // 不省略,完整显示
padding: [0, 0]
},
labelLine: {
show: true,
length: 12,
length2: 12,
lineStyle: {
width: 1
}
},
emphasis: {
scale: false, // 禁用悬停放大
itemStyle: {
brightness: 1.2, // 鼠标悬停时颜色变亮 20%
shadowBlur: 0 // 禁用阴影
},
labelLine: {
show: true // 悬停时不显示引导线变化
}
},
data: pieData.map((item, index) => ({
...item,
itemStyle: { color: colors[index % colors.length] },
labelLine: {
lineStyle: {
color: colors[index % colors.length]
}
}
}))
}
],
// 中心文字
title: {
text: '145',
subtext: '泄放设施总数量\n(个)',
left: 'center',
top: 'center',
textStyle: {
color: '#2e86de',
fontSize: 30,
fontWeight: 'bold',
fontFamily: 'Arial'
},
subtextStyle: {
color: '#666',
fontSize: 12,
lineHeight: 16,
fontFamily: 'Microsoft YaHei, sans-serif'
}
}
};
chartInstance.setOption(option);
};
// 处理响应式
const handleResize = () => {
chartInstance?.resize();
};
// 页面加载时执行的逻辑
onMounted(() => {
// 使用 nextTick 确保 DOM 已经完全渲染
setTimeout(() => {
initChart();
// 初始化后再 resize 一次,确保尺寸正确
setTimeout(() => {
chartInstance?.resize();
}, 200);
}, 50);
window.addEventListener('resize', handleResize);
});
// 组件卸载时清理
onBeforeUnmount(() => {
window.removeEventListener('resize', handleResize);
chartInstance?.dispose();
});
</script>
<style lang="scss" scoped>
.xie-fang-fang-shi-container {
width: 100%;
height: 100%;
}
.pie-chart {
width: 100%;
height: 350px;
}
</style>