| | |
| | | <div> |
| | | <PanelHeader title="产品大类" /> |
| | | <div class="panel-item-customers"> |
| | | <div style="height: 70%"> |
| | | <div class="pie-chart-wrapper" ref="pieWrapperRef"> |
| | | <div class="pie-background" ref="pieBackgroundRef"></div> |
| | | <Echarts |
| | | ref="chart" |
| | | :chartStyle="chartStyle" |
| | |
| | | :series="landSeries" |
| | | :tooltip="landTooltip" |
| | | :color="landColors" |
| | | :options="{ backgroundColor: 'transparent', textStyle: { color: '#B8C8E0' } }" |
| | | :options="pieOptions" |
| | | style="height: 100%" |
| | | class="land-chart" |
| | | /> |
| | |
| | | </template> |
| | | |
| | | <script setup> |
| | | import { ref, onMounted } from 'vue' |
| | | import { ref, onMounted, onBeforeUnmount } from 'vue' |
| | | import Echarts from '@/components/Echarts/echarts.vue' |
| | | import PanelHeader from '../PanelHeader.vue' |
| | | import { productCategoryDistribution } from '@/api/viewIndex.js' |
| | | import { useChartBackground } from '@/hooks/useChartBackground.js' |
| | | |
| | | const pieWrapperRef = ref(null) |
| | | const pieBackgroundRef = ref(null) |
| | | const chart = ref(null) |
| | | |
| | | // 数据列表(来自接口) |
| | | const dataList = ref([]) |
| | |
| | | |
| | | // 提示框 |
| | | const landTooltip = { |
| | | triggerOn: 'click', |
| | | // triggerOn: 'hover', |
| | | alwaysShowContent: true, |
| | | position: function (pt) { |
| | | return [pt[0], 130] |
| | | }, |
| | | formatter: function (params) { |
| | | return `${params.name} (${params.value}类)` |
| | | }, |
| | | } |
| | | |
| | | // 双层环形饼图 |
| | | const landSeries = ref([ |
| | | { |
| | | name: '外圈', |
| | | name: '产品大类', |
| | | type: 'pie', |
| | | radius: ['35%', '55%'], |
| | | center: ['50%', '50%'], |
| | |
| | | lineHeight: 18, |
| | | rich: { |
| | | ...dotRich, |
| | | parent: { fontSize: 14, fontWeight: 600, color: '#fff', lineHeight: 20 }, |
| | | parent: { fontSize: 14, fontWeight: 600, color: '#fff', lineHeight: 20, overflow: 'break' }, |
| | | child: { fontSize: 12, color: '#fff', lineHeight: 18 }, |
| | | }, |
| | | formatter: function (params) { |
| | | const children = params?.data?.children || [] |
| | | const parentName = params?.data?.name || '' |
| | | const parentValue = params?.data?.value ?? 0 |
| | | const rawVal = params?.data?.value |
| | | const parentValue = typeof rawVal === 'number' && !Number.isNaN(rawVal) ? rawVal : (Number(rawVal) || 0) |
| | | const dotKey = `dot${(params?.dataIndex || 0) % landColors.length}` |
| | | const dot = `{${dotKey}|} ` |
| | | if (!children.length) return `${dot}{parent|${parentName} ${parentValue}}` |
| | | // 小圆点 + 父级 name + 父级 value,换行展示 children 的 name + value |
| | | return [ |
| | | `${dot}{parent|${parentName} ${parentValue}}`, |
| | | ...children.map((c) => `{child|${c.name}}`), |
| | | ].join('\n') |
| | | const parentLine = `${dot}{parent|${parentName} (${parentValue}类)}` |
| | | if (!children.length) return parentLine |
| | | // 父级全部显示;子级最多 5 个,超出显示省略号 |
| | | const displayed = children.slice(0, 5).map((c) => `{child|${c.name}}`) |
| | | if (children.length > 5) displayed.push('{child|…}') |
| | | return [parentLine, ...displayed].join('\n') |
| | | }, |
| | | }, |
| | | labelLine: { |
| | |
| | | |
| | | const chartStyle = { |
| | | width: '100%', |
| | | height: '150%', |
| | | height: '126%', |
| | | } |
| | | |
| | | const pieOptions = { |
| | | backgroundColor: 'transparent', |
| | | textStyle: { color: '#B8C8E0' }, |
| | | } |
| | | |
| | | // 使用封装的背景位置调整方法,可自定义偏移值 |
| | | const { adjustBackgroundPosition, init: initBackground, cleanup: cleanupBackground } = useChartBackground({ |
| | | wrapperRef: pieWrapperRef, |
| | | backgroundRef: pieBackgroundRef, |
| | | offsetX: '-51.5%', // X 轴偏移,可动态调整 |
| | | offsetY: '-39%', // Y 轴偏移,可动态调整 |
| | | watchData: dataList // 监听数据变化,自动调整位置 |
| | | }) |
| | | |
| | | const loadData = async () => { |
| | | try { |
| | |
| | | })) |
| | | landLegend.data = dataList.value.map((d) => d.name) |
| | | landSeries.value[0].data = dataList.value |
| | | // 数据加载完成后调整背景位置 |
| | | adjustBackgroundPosition() |
| | | } catch (e) { |
| | | console.error('获取产品大类分布失败:', e) |
| | | dataList.value = [] |
| | |
| | | } |
| | | } |
| | | |
| | | |
| | | onMounted(() => { |
| | | loadData() |
| | | initBackground() |
| | | }) |
| | | |
| | | onBeforeUnmount(() => { |
| | | cleanupBackground() |
| | | }) |
| | | </script> |
| | | |
| | |
| | | width: 100%; |
| | | height: 420px; |
| | | } |
| | | |
| | | .pie-chart-wrapper { |
| | | position: relative; |
| | | width: 100%; |
| | | height: 320px; |
| | | background: transparent; |
| | | } |
| | | |
| | | .pie-background { |
| | | position: absolute; |
| | | width: 360px; |
| | | height: 360px; |
| | | background-image: url('@/assets/BI/玫瑰图边框.png'); |
| | | background-size: contain; |
| | | background-position: center; |
| | | background-repeat: no-repeat; |
| | | z-index: 1; |
| | | pointer-events: none; |
| | | /* 默认居中,会在 JS 中动态调整 */ |
| | | left: 50%; |
| | | top: 50%; |
| | | transform: translate(-51.5%, -39%); |
| | | } |
| | | </style> |