R524809
400 lines
11 KiB
JavaScript
400 lines
11 KiB
JavaScript
/**
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* 方木风格主题 —— 统一的配色、字体、坐标轴、水印
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* 所有图表共用这一份配置，保证视觉一致性
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*/
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export const WATERMARK_TEXT = '@思考的Joey';
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// 字体名用单引号：SVG 渲染时字符串会被塞进 style="..." 属性，
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// 用双引号会提前闭合属性、生成非法 SVG（canvas 渲染看不出来，导出 SVG 时才炸）
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export const FONT = "'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif";
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/** 调色板：低饱和、克制，接近财经媒体常用的莫兰迪系 */
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export const PALETTE = {
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brown: '#6b4a2b',
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sand: '#d5c7b4',
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coral: '#ec7b73',
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green: '#2f8a5b',
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orange: '#d98324',
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purple: '#9b4fa8',
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blue: '#3b6ea5',
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navy: '#1f4e79',
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red: '#b8342a',
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sage: '#8aab7e',
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ink: '#333333',
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grey: '#8c8c8c',
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gridLine: '#e8e8e8',
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axisLine: '#d0d0d0',
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};
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/**
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* 正式色板：轻快消费。
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* 柱线组合中，柱用不同色相承载分类，折线保留高辨识度的单一强调色。
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*/
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export const FINANCIAL_COLORS = {
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operatingCashFlow: '#36A28F',
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investingCashFlow: '#4D83D1',
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financingCashFlow: '#EEA64F',
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netCashIncrease: '#D95567',
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netProfit: '#F08B5A',
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cashConversion: '#8256B2',
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};
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/**
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* 瀑布图语义色：基准值、正向贡献、负向贡献。
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* 复用轻快消费财务色板，避免利润率拆解图另起一套颜色。
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*/
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export const BRIDGE_COLORS = {
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total: FINANCIAL_COLORS.investingCashFlow,
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pos: FINANCIAL_COLORS.operatingCashFlow,
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neg: FINANCIAL_COLORS.netCashIncrease,
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};
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export const CHANNEL_COLORS = {
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retail: '#3F7FBE',
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online: '#E36D63',
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robotStore: '#71AD81',
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wholesale: '#E4A349',
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revenueGrowth: '#8256B2',
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};
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/** 坐标轴通用样式：只留浅色横向网格，去掉轴线的存在感 */
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export const axisCommon = {
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axisLine: { show: false },
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axisTick: { show: false },
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axisLabel: {
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color: PALETTE.grey,
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fontSize: 13,
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fontFamily: FONT,
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},
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splitLine: {
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show: true,
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lineStyle: { color: PALETTE.gridLine, width: 1 },
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},
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};
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/** X 轴：显示轴线，不显示网格 */
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export const categoryAxis = {
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type: 'category',
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boundaryGap: true,
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axisLine: { show: true, lineStyle: { color: PALETTE.axisLine } },
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axisTick: { show: false },
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axisLabel: {
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color: PALETTE.ink,
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fontSize: 14,
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fontFamily: FONT,
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margin: 14,
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},
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splitLine: { show: false },
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};
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/**
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* 期间标签简写：2026H1 → 26H1，2026H2 → 26全年。
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* CSV 里保留四位年份（无歧义、便于核对），只在轴上简化显示。
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* 非 20xx 开头的标签（如"年初"）原样返回。
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*/
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export function shortPeriod(label) {
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return String(label)
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.replace(/^20(\d{2})H2$/, '$1全年') // H2 = 全年累计
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.replace(/^20(\d{2})/, '$1'); // 其余去掉世纪前缀
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}
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/** X 轴（期间）：在 categoryAxis 基础上套用简写 */
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export const periodAxis = {
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...categoryAxis,
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axisLabel: {
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...categoryAxis.axisLabel,
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formatter: shortPeriod,
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},
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};
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/**
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* 独立期间轴：FY 为全年，H1/H2 为单独半年。
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* 用于已拆分累计值的多时间维度图，避免把 H2 错写为全年。
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*/
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export function shortStandalonePeriod(label) {
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return String(label)
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.replace(/^20(\d{2})FY$/, '$1全年')
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.replace(/^20(\d{2})/, '$1');
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}
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export const standalonePeriodAxis = {
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...categoryAxis,
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axisLabel: {
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...categoryAxis.axisLabel,
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formatter: shortStandalonePeriod,
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},
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};
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export function financialViewLabel(view) {
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return ({ all: '全部期间', annual: '年度', halfyear: '半年', quarter: '季度' })[view] || '全部期间';
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}
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export function financialViewDisclosure(view) {
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return '';
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}
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export const titleStyle = {
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left: 'center',
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top: 18,
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textStyle: {
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color: PALETTE.ink,
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fontSize: 19,
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fontWeight: 'bold',
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fontFamily: FONT,
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},
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subtextStyle: {
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color: PALETTE.grey,
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fontSize: 13,
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fontFamily: FONT,
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lineHeight: 20,
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},
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};
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/**
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* 标准布局常量
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* 经多图表调试验证的标题-图例-绘图区间距，确保视觉呼吸感一致
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*/
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export const LAYOUT = {
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titleTop: 18, // 标题顶部边距（已内置在 titleStyle 中）
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legendTop: 85, // 图例顶部边距（副标题到图例约 25px）
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gridTop: 145, // 绘图区顶部边距（图例到绘图区约 60px）
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};
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// 统一图例图标宽度，同时保留 ECharts 按系列类型生成的形状。
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export const LEGEND_ITEM_WIDTH = 20;
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export const legendStyle = {
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top: 62, // ⚠️ 已废弃：请改用 LAYOUT.legendTop 或 standardLegend()
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itemGap: 26,
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itemWidth: LEGEND_ITEM_WIDTH,
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// 不设置 icon：柱状图自动使用矩形，折线图自动使用“短线 + 空心圆”。
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textStyle: {
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color: PALETTE.ink,
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fontSize: 14,
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fontFamily: FONT,
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},
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};
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/** 折线标注：白底描边，避免标签被折线自身或柱体穿过时看不清 */
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export function labelStyle(color, position = 'top') {
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return {
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show: true,
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position,
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color,
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fontSize: 13,
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fontFamily: FONT,
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fontWeight: 500,
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distance: 8,
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textBorderColor: '#fff',
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textBorderWidth: 3,
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};
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}
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/**
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* 标准图例配置
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* 不设置 icon，让 ECharts 按系列类型自动生成（折线→短线+空心圆，柱状→矩形）
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* 统一使用 LAYOUT.legendTop 保证间距一致
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*/
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export function standardLegend(data, options = {}) {
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return {
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top: LAYOUT.legendTop,
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itemWidth: LEGEND_ITEM_WIDTH,
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itemGap: options.itemGap ?? 28,
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textStyle: {
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color: PALETTE.ink,
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fontSize: 14,
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fontFamily: FONT,
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},
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data,
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...options, // 允许覆盖任何字段
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};
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}
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/**
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* 空心圆点折线系列 —— 标准配置
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* 白心 + 彩色边框，视觉统一（symbolSize: 9, borderWidth: 2.5）
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*/
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export function lineSeries({ name, data, color, labelPosition = 'top', formatter, width = 3 }) {
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return {
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name,
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type: 'line',
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data,
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smooth: false,
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symbol: 'circle',
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symbolSize: 9,
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itemStyle: {
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color: '#fff',
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borderColor: color,
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borderWidth: 2.5,
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},
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lineStyle: { color, width },
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emphasis: { focus: 'series' },
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label: {
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...labelStyle(color, labelPosition),
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formatter,
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},
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};
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}
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/**
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* 柱线组合图的折线标签：正值放在点上方、负值放在点下方；
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* 若与同期间柱值接近，则加大距离；也可指定将标签放到柱体另一侧，
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* 避免文字压在柱体端点附近。
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*/
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export function lineDataWithSafeLabels(rows, {
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lineKey, barKeys, distance = 8, closeDistance = 14, closePosition,
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}) {
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const values = rows.map((row) => row[lineKey]).filter(Number.isFinite);
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const range = Math.max(...values) - Math.min(...values) || 1;
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const threshold = range * 0.06;
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return rows.map((row) => {
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const value = row[lineKey];
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const nearestBarGap = Math.min(...barKeys
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.map((key) => row[key])
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.filter(Number.isFinite)
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.map((barValue) => Math.abs(value - barValue)));
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return {
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value,
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label: {
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position: nearestBarGap <= threshold && closePosition
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? closePosition
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: (value < 0 ? 'bottom' : 'top'),
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distance: nearestBarGap <= threshold ? closeDistance : distance,
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},
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};
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});
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}
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/**
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* 柱状图系列标准配置
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* 强制显示所有标签（overflow: 'none'），避免小柱子标签被 ECharts 自动隐藏
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*/
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export function barSeries({ name, data, color, barWidth, formatter, ...rest }) {
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return {
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name,
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type: 'bar',
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data,
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barWidth,
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itemStyle: { color },
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label: {
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show: true,
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position: 'top',
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fontFamily: FONT,
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fontSize: 11,
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color: PALETTE.ink,
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formatter: formatter ?? ((p) => p.value),
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overflow: 'none', // 关键：强制显示所有标签
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},
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...rest,
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};
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}
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/**
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* 归一化堆叠占比图的矮段标签外置偏移。
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* 段高不足（< minInsidePx 像素）放不下段内标签时，标签标到柱体右侧；
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* 同一根柱里有多个矮段时，柱侧标签自下而上按 gap 像素扇形排开避免重叠
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* （先例：ppmt_channel_revenue 的 fanOutsideLabels、ppmt_region_share 的柱侧标签）。
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* 返回 { 行序号: { 系列序号: dy } }，dy 为 ECharts label.offset 的纵向偏移。
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*/
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export function fanTinyLabelOffsets(rows, seriesKeys, pxPerUnit, { minInsidePx = 15, gap = 13 } = {}) {
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return rows.map((row) => {
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const centers = [];
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let cum = 0;
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seriesKeys.forEach((key) => {
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const value = Number.isFinite(row[key]) ? row[key] : 0;
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centers.push((cum + value / 2) * pxPerUnit);
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cum += value;
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});
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const tinyIdx = seriesKeys
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.map((_, index) => index)
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.filter((index) => Number.isFinite(row[seriesKeys[index]])
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&& row[seriesKeys[index]] > 0
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&& row[seriesKeys[index]] * pxPerUnit < minInsidePx);
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if (tinyIdx.length === 0) return {};
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const ys = tinyIdx.map((index) => centers[index]);
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for (let k = 1; k < ys.length; k += 1) ys[k] = Math.max(ys[k], ys[k - 1] + gap);
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if (tinyIdx.length === seriesKeys.length) {
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// 整根柱都是矮段：扇形整体对中到柱身中部，避免标签飘离柱顶
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const shift = cum * pxPerUnit / 2 - (ys[0] + ys[ys.length - 1]) / 2;
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for (let k = 0; k < ys.length; k += 1) ys[k] += shift;
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if (ys[0] < 2) {
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for (let k = 0; k < ys.length; k += 1) ys[k] += 2 - ys[0];
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}
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}
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const offsets = {};
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tinyIdx.forEach((index, k) => { offsets[index] = centers[index] - ys[k]; });
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return offsets;
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});
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}
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/**
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* 归一化堆叠占比图的逐点标签：段高够时段内显示（用系列的段内配色），
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* 矮段外置到柱体右侧（深字白描边），保证每个分类的占比数值都可见。
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* 必须配合 fanTinyLabelOffsets 计算的 dy 使用；value 为空或 0 时不渲染该段。
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*/
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export function stackedSharePoint(value, { pxPerUnit, labelColor, dy = 0, minInsidePx = 15 }) {
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if (!Number.isFinite(value) || value === 0) return null;
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if (value * pxPerUnit >= minInsidePx) {
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return { value, label: { position: 'inside', color: labelColor } };
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}
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return {
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value,
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label: {
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position: 'right',
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color: PALETTE.ink,
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distance: 3,
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offset: [0, dy],
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textBorderColor: '#fff',
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textBorderWidth: 2,
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},
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};
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}
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/** 底部注释 */
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export function footnote(text) {
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return {
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type: 'text',
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left: 'center',
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bottom: 12,
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style: {
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text,
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fill: PALETTE.grey,
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fontSize: 12,
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fontFamily: FONT,
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lineHeight: 18,
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},
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};
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}
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/**
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* 平铺水印。ECharts 没有原生水印，用 graphic 数组铺满画布。
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* 旋转 -20°，透明度压到 0.08，不干扰读数。
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*/
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export function watermarks(width, height, text = WATERMARK_TEXT) {
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const items = [];
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const stepX = 300;
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const stepY = 200;
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for (let x = -100; x < width + stepX; x += stepX) {
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for (let y = 40; y < height + stepY; y += stepY) {
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const offset = (Math.floor(y / stepY) % 2) * (stepX / 2);
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items.push({
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type: 'text',
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left: x + offset,
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top: y,
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silent: true,
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rotation: 0.35,
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style: {
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text,
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fill: 'rgba(120, 100, 80, 0.10)',
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fontSize: 20,
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fontWeight: 'bold',
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fontFamily: FONT,
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},
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});
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}
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}
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return items;
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}
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