财务折线:概览卡画净资产趋势(配服务端 /timeline)laoyang/FamilyBook#24
用户原话(2026-10-28):「鸿蒙端对齐网页端」。财务概览卡原来「折线图占位 (第二轮接图表能力后填)」,现在: 1) FbLedgerPoint 类型 + parseLedgerTimeline(读 /timeline 的 items) 2) loadEntries 里顺带拉 timeline(单独缓存键 ledger_timeline_<id>) 3) timelinePath():时序点 → 绝对坐标折线 path(Path 组件画,Y 轴按 min..max 归一,不是从 0 起 —— 金额平稳时不贴底);<2 点时给占位文案。 编译 BUILD SUCCESSFUL;守卫 _fb_arkts_guard.js 1324/0;服务端冒烟 _i24_timeline_api.py 8/0 + 反证命中。
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@@ -16,9 +16,9 @@
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import { FbColors, FbMetric, fbTint, FbTint, FB_MASK, fbAlpha } from '../../common/Theme';
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import { FbAppState, fbAppState } from '../../common/Store';
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import { FbGroup, FbLedgerBook, FbLedgerEntry, FbLedgerDetail} from '../../model/Types';
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import { FbGroup, FbLedgerBook, FbLedgerEntry, FbLedgerDetail, FbLedgerPoint } from '../../model/Types';
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import { fbLedgerKindName, fbMoney } from '../../model/DemoData';
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import { parseLedger, parseLedgerEntries } from '../../data/FbParse';
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import { parseLedger, parseLedgerEntries, parseLedgerTimeline } from '../../data/FbParse';
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import { loadModule, loadPath } from '../../data/FbModuleLoad';
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import { FbEmptyBox, FbIconButton, FbPrimaryButton, FbTag } from '../../components/Widgets';
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import { FB_DOCK_RESERVE } from '../../components/FloatDock';
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@@ -76,6 +76,8 @@ export struct FbLedgerPage {
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@Local netNow: number = 0;
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@Local assetNow: number = 0;
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@Local debtNow: number = 0;
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/** 净资产折线时序(分;工单 #24) */
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@Local timeline: FbLedgerPoint[] = [];
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/** 「记一笔」浮层是否打开 */
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@Local entryOpen: boolean = false;
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/**
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@@ -153,7 +155,7 @@ export struct FbLedgerPage {
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});
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}
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/** 拉某本账的明细(含汇总) */
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/** 拉某本账的明细(含汇总)+ 折线时序(工单 #24) */
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private async loadEntries(id: number): Promise<void> {
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// ⚠️ 用 `loadPath`(路径带 id,没法登记在静态模块表里)。
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const key: string = 'ledger_detail_' + id.toString();
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@@ -170,6 +172,13 @@ export struct FbLedgerPage {
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(note: string): void => {
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this.syncNote = note;
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});
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// 🔴 折线时序单独拉(服务端 `timeline` 用的是盘点快照,与明细不是一个数据源)
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const tkey: string = 'ledger_timeline_' + id.toString();
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await loadPath<FbLedgerPoint[]>(tkey, '/api/v1/ledger/' + id.toString() + '/timeline',
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parseLedgerTimeline,
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(pts: FbLedgerPoint[]): void => {
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this.timeline = pts;
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});
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}
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@@ -357,7 +366,7 @@ export struct FbLedgerPage {
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}
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.width('100%')
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// 折线图占位(第二轮接图表能力后填)
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// 净资产折线(工单 #24:真实曲线,不再空占位)
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Column({ space: 4 }) {
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Row({ space: 6 }) {
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Image($r('app.media.fb_ic_chart'))
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@@ -365,17 +374,35 @@ export struct FbLedgerPage {
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.height(13)
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.renderMode(ImageRenderMode.Template)
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.colorFilter(fbTint(FbTint.faint))
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Text('净资产变化(盘点成线)')
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Text('净资产变化(盘点成线' + (this.timeline.length > 0 ? ' · ' + this.timeline.length.toString() + ' 点' : '') + ')')
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.fontSize(10)
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.fontColor(FbColors.faint)
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}
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.alignItems(VerticalAlign.Center)
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Column()
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// 有数据画折线;没数据保留占位底
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if (this.timeline.length > 1) {
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Path()
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.width('100%')
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.height(56)
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.commands(this.timelinePath())
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.fillOpacity(0)
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.stroke(this.accent)
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.strokeWidth(1.5)
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.strokeLineJoin(LineJoinStyle.Round)
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} else {
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Column({ space: 4 }) {
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Text(this.timeline.length === 1 ? '只有一笔,记下一笔才连得出线' : '记几笔、盘点几次,这里就会长出曲线')
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.fontSize(10)
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.fontColor(FbColors.faint)
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.textAlign(TextAlign.Center)
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}
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.width('100%')
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.height(56)
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.borderRadius(FbMetric.radiusS)
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.backgroundColor(FbColors.inputBg)
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.justifyContent(FlexAlign.Center)
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}
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}
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.width('100%')
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.alignItems(HorizontalAlign.Start)
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@@ -642,6 +669,50 @@ export struct FbLedgerPage {
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return this.books.length > 0 ? this.books[0].id : 0;
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}
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/**
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* 净资产折线 path(工单 #24)。
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*
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* 时序点 → 一条从左到右的折线。Y 轴按 min..max 归一(不是从 0 起),
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* 否则金额平稳时曲线会"贴底"看不到波动。单点/零点由 UI 分支兜底。
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* ⚠️ Path 的 commands 用「绝对坐标」的 SVG 子集:`M x y L x y ...`。
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*/
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private timelinePath(): string {
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const pts: FbLedgerPoint[] = this.timeline;
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if (pts.length < 2) {
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return '';
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}
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const W: number = 320; // 虚拟画布宽(Path 会随 width('100%') 拉伸)
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const H: number = 56;
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const pad: number = 4;
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let lo: number = pts[0].netCent;
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let hi: number = pts[0].netCent;
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for (const p of pts) {
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if (p.netCent < lo) {
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lo = p.netCent;
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}
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if (p.netCent > hi) {
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hi = p.netCent;
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}
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}
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// 全平(最高最低相等)→ 人为放宽 ±1,让线画在中线而不是除零
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if (hi - lo < 1) {
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hi = lo + 1;
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lo = lo - 1;
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}
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let cmd: string = '';
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for (let i: number = 0; i < pts.length; i++) {
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const x: number = pad + (W - pad * 2) * (i / (pts.length - 1));
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const t: number = (pts[i].netCent - lo) / (hi - lo);
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const y: number = H - pad - (H - pad * 2) * t;
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if (i === 0) {
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cmd = 'M ' + x.toFixed(1) + ' ' + y.toFixed(1);
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} else {
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cmd += ' L ' + x.toFixed(1) + ' ' + y.toFixed(1);
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}
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}
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return cmd;
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}
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private currentBook(): FbLedgerBook {
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const hit: FbLedgerBook | undefined = this.books.find((b: FbLedgerBook): boolean => b.id === this.currentId());
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if (hit !== undefined) {
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