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| <template>
| <div>
| <PanelHeader title="产品大类" />
| <div class="panel-item-customers">
| <div style="height: 70%">
| <Echarts
| ref="chart"
| :chartStyle="chartStyle"
| :legend="landLegend"
| :series="landSeries"
| :tooltip="landTooltip"
| :color="landColors"
| :options="{ backgroundColor: 'transparent', textStyle: { color: '#B8C8E0' } }"
| style="height: 100%"
| class="land-chart"
| />
| </div>
| </div>
| </div>
| </template>
|
| <script setup>
| import { ref, onMounted } from 'vue'
| import Echarts from '@/components/Echarts/echarts.vue'
| import PanelHeader from '../PanelHeader.vue'
| import { productCategoryDistribution } from '@/api/viewIndex.js'
|
| // 数据列表(来自接口)
| const dataList = ref([])
|
| // 颜色列表
| const landColors = ['#26FFCB', '#24CBFF', '#35FBF4', '#2651FF', '#D1E4F5', '#5782F7', '#2F67EF', '#82BAFF']
|
| // label 富文本:为每个颜色生成一个小圆点样式(确保在 label 中可见)
| const dotRich = landColors.reduce((acc, color, idx) => {
| acc[`dot${idx}`] = {
| width: 8,
| height: 8,
| borderRadius: 8,
| backgroundColor: color,
| align: 'center',
| }
| return acc
| }, {})
|
| // 图例配置(右侧竖排)
| const landLegend = {
| show: false,
| icon: 'circle',
| data: [],
| right: '8%',
| top: '40%',
| orient: 'vertical',
| itemGap: 14,
| itemWidth: 6,
| itemHeight: 6,
| textStyle: {
| fontSize: 12,
| rich: {
| unit: {
| color: '#fff',
| fontSize: 12,
| padding: [0, 10, 0, 0],
| },
| text: {
| width: 60,
| color: '#fff',
| fontSize: 12,
| },
| },
| },
| formatter: function (name) {
| const list = dataList.value || []
| const item = list.find((d) => d.name === name)
| if (!item) return name
| const val = Number(item.value || 0)
| const totalValue = list.reduce((sum, it) => sum + Number(it.value || 0), 0)
| const percent = totalValue ? ((val / totalValue) * 100).toFixed(2) : '0.00'
| return `{text|${name}}${val}{unit| 公顷}${percent}{unit|%}`
| },
| }
|
| // 提示框
| const landTooltip = {
| triggerOn: 'click',
| alwaysShowContent: true,
| position: function (pt) {
| return [pt[0], 130]
| },
| }
|
| // 双层环形饼图
| const landSeries = ref([
| {
| name: '外圈',
| type: 'pie',
| radius: ['35%', '55%'],
| center: ['50%', '50%'],
| label: {
| show: true,
| position: 'outside',
| color: '#fff',
| fontSize: 12,
| lineHeight: 18,
| rich: {
| ...dotRich,
| parent: { fontSize: 14, fontWeight: 600, color: '#fff', lineHeight: 20 },
| 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 dotKey = `dot${(params?.dataIndex || 0) % landColors.length}`
| const dot = `{${dotKey}|} `
| if (!children.length) return `${dot}{parent|${parentName} ${parentValue}}`
| // 用 marker 显示与扇区同色的小圆点,再显示父级名称,后面列出 children 的 name + value
| return [
| `${dot}{parent|${parentName} ${parentValue}}`,
| ...children.map((c) => `{child|${c.name} ${c.value || 0}}`),
| ].join('\n')
| },
| },
| labelLine: {
| show: true,
| length: 40,
| length2: 40,
| lineStyle: {
| color: '#B8C8E0',
| },
| },
| itemStyle: {
| color: function (params) {
| return landColors[params.dataIndex % landColors.length]
| },
| },
| // 初始绑定为响应式数据源,后续通过接口填充
| data: dataList.value,
| },
| {
| // 内圈
| type: 'pie',
| radius: ['35%', '40%'],
| center: ['50%', '50%'],
| silent: true,
| label: {
| show: false,
| },
| labelLine: {
| show: false,
| },
| itemStyle: {
| color: 'rgba(0, 127, 255, 0.25)',
| },
| data: [1],
| },
| ])
|
| const chartStyle = {
| width: '100%',
| height: '150%',
| }
|
| const loadData = async () => {
| try {
| const res = await productCategoryDistribution()
| const items = res?.data?.items || []
| dataList.value = items.map((it) => ({
| name: it.name,
| value: Number(it.value || 0),
| rate: it.rate,
| children: Array.isArray(it.children) ? it.children : [],
| }))
| landLegend.data = dataList.value.map((d) => d.name)
| landSeries.value[0].data = dataList.value
| } catch (e) {
| console.error('获取产品大类分布失败:', e)
| dataList.value = []
| landLegend.data = []
| landSeries.value[0].data = []
| }
| }
|
| onMounted(() => {
| loadData()
| })
| </script>
|
| <style scoped>
| .panel-item-customers {
| border: 1px solid #1a58b0;
| padding: 18px;
| width: 100%;
| height: 420px;
| }
|
| .quality-cards {
| display: flex;
| gap: 12px;
| width: 100%;
| height: 54px;
| justify-content: space-between;
| align-items: center;
| }
|
| .quality-cardSec {
| display: flex;
| }
|
| .quality-cardTitle {
| font-weight: 400;
| font-size: 14px;
| color: #ffffff;
| display: flex;
| align-items: flex-start;
| flex-direction: column;
| }
|
| .quality-card {
| width: 80px;
| height: 60px;
| background-size: cover;
| background-position: center;
| background-repeat: no-repeat;
| }
|
| .quality-card.one {
| background-image: url('@/assets/BI/yuancailiaoyijianicon@2x.png');
| }
|
| .quality-card.two {
| background-image: url('@/assets/BI/guochengyijianicon@2x.png');
| }
|
| .quality-card.three {
| background-image: url('@/assets/BI/chuchangyijianicon@2x.png');
| }
| </style>
|
|