iter(g88): 数据表支持导出 CSV
This commit is contained in:
@@ -1060,6 +1060,14 @@
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"acceptance": "焦点进入(focusin)与移出(focusout)同样暂停自动播放,两者都不在才前进;区域补 aria-roledescription=轮播,每张补 aria-roledescription=幻灯片 且标签为「第 x 张,共 n 张」;演示描述同步;npm run check 全绿",
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"notes": "自补:无障碍;hover 与 focus 分开计数,避免一个 pointerleave 就误解除暂停",
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"status": "done"
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},
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{
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"id": "g88",
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"title": "数据表支持导出 CSV",
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"motivation": "表格能筛能排却导不出来,用户只能截图或手抄;导出还必须导「筛选+排序后的全量行」而不是当前页,但内核只有 getVisibleRows()(已分页裁剪),UI 层拿不到全量派生行",
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"acceptance": "内核 getVisibleRows(paged=false) 跳过 pagination 阶段并新增 getAllRows(),派生上下文带 paged 标记(缺省分页),分页快照不受影响;dataTable 新增 exportable / exportName,工具栏按钮导出筛选+排序后的全量行、单元格走 format;CSV 带 BOM + CRLF、逗号引号换行正确转义;冒烟补 4 条不变量;npm run check 全绿",
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"notes": "自补:功能缺口;核心只加可选参数与一个实例方法,不动既有签名",
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"status": "open"
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}
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]
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}
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+13
-2
@@ -1,6 +1,6 @@
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{
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"$schema": "ui-arch-registry-index/0.1",
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"generatedAt": "2026-10-26T05:03:25.043Z",
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"generatedAt": "2026-10-26T05:08:07.129Z",
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"repoRoot": ".",
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"packages": [
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{
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@@ -1767,6 +1767,16 @@
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"n": "selected",
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"t": "Signal<RowKey[]>",
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"d": "受控选中行信号:与内核选择双向同步(内容比较,不来回派发),供批量操作读取/改写"
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},
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{
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"n": "exportable",
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"t": "boolean",
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"d": "工具栏显示「导出 CSV」:导出筛选 + 排序后的全量行(不分页);缺省 false"
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},
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{
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"n": "exportName",
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"t": "string",
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"d": "导出文件名;缺省 table.csv"
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}
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],
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"example": "dataTable({ data: users, selectable: true, columns: [{ key: 'name', header: '姓名', sortable: true }], pageSize: 5 })",
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@@ -1782,7 +1792,8 @@
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"数据在途时传 loading(布尔或信号):表格体换成骨架行、筛选与翻页禁用,返回后置回 false 即恢复",
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"需要独立分页器联动时传 page 信号:const page = signal(1),dataTable({ page }) 与 pagination({ page }) 共用",
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"需要批量操作时传 selected 信号:内部勾选实时写回,外部置空或赋值即同步整表(跨页保留,按 rowKey 存)",
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"可排序表头的 aria-sort 跟随排序态同步(ascending / descending / none),读屏能直接播报当前列序,箭头只是视觉补充"
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"可排序表头的 aria-sort 跟随排序态同步(ascending / descending / none),读屏能直接播报当前列序,箭头只是视觉补充",
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"需要导出时开 exportable:按钮导的是筛选+排序后的全量行,与当前页无关,单元格按 format 输出"
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]
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},
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{
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+2
-1
@@ -1077,10 +1077,11 @@ const content = h(
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section(
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'sec-table',
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'数据表格',
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'粘性表头、斑马纹、行选择(全选三态 + 已选计数,选中行低视觉比重)、点表头或 Tab 聚焦后按 Enter/空格 排序、定宽列表头右缘可拖拽或 ←→ 调列宽(双击复位)、工具栏筛选、底部分页。',
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'粘性表头、斑马纹、行选择(全选三态 + 已选计数,选中行低视觉比重)、点表头或 Tab 聚焦后按 Enter/空格 排序、定宽列表头右缘可拖拽或 ←→ 调列宽(双击复位)、工具栏筛选、底部分页;工具栏「导出 CSV」导的是筛选 + 排序后的全量行(不含勾选,与当前页无关)。',
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card({ title: '用户表' }, dataTable({
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data: users,
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selectable: true,
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exportable: true,
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loading: tableLoading,
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columns: [
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{ key: 'name', header: '姓名', sortable: true, width: 160 },
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+4
-1
@@ -1,6 +1,6 @@
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# @ui-arch 组件库 Agent 文档(无图形版)
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> 自动生成于 2026-10-26T05:03:25.043Z,数据源:各包 ua.manifest.json,勿手改。人类版文档站:apps/docs/index.html。
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> 自动生成于 2026-10-26T05:08:07.129Z,数据源:各包 ua.manifest.json,勿手改。人类版文档站:apps/docs/index.html。
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> 组件 = 普通函数,传 props 返回 DOM;状态用 signal 双向绑定:读 signal() 写 signal(v)。
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## 快速上手
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@@ -936,6 +936,8 @@ const name = signal(''); const f = form({ onSubmit: submit }, [formItem({ label:
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- page:Signal<number> —— 受控页码信号:与内核分页双向同步,传同一个信号给独立 pagination 组件即可联动
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- loading:boolean | Signal<boolean> —— 加载态:为真时数据行换成骨架行(行数随 pageSize),筛选输入与翻页按钮临时禁用,容器带 aria-busy
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- selected:Signal<RowKey[]> —— 受控选中行信号:与内核选择双向同步(内容比较,不来回派发),供批量操作读取/改写
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- exportable:boolean —— 工具栏显示「导出 CSV」:导出筛选 + 排序后的全量行(不分页);缺省 false
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- exportName:string —— 导出文件名;缺省 table.csv
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示例:
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@@ -957,6 +959,7 @@ dataTable({ data: users, selectable: true, columns: [{ key: 'name', header: '姓
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10. 需要独立分页器联动时传 page 信号:const page = signal(1),dataTable({ page }) 与 pagination({ page }) 共用
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11. 需要批量操作时传 selected 信号:内部勾选实时写回,外部置空或赋值即同步整表(跨页保留,按 rowKey 存)
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12. 可排序表头的 aria-sort 跟随排序态同步(ascending / descending / none),读屏能直接播报当前列序,箭头只是视觉补充
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13. 需要导出时开 exportable:按钮导的是筛选+排序后的全量行,与当前页无关,单元格按 format 输出
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现场演示:apps/docs/demo.html#sec-table
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@@ -154,4 +154,22 @@ assert(
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'reset 回到默认态(排序/筛选清空,分页回 1/20)',
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);
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// getAllRows:过筛选 + 排序但跳过分页,供导出用
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const all = createTable({
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data: users,
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columns: [{ key: 'name', header: 'Name' }, { key: 'city', header: 'City' }],
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rowKey: 'id',
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plugins: [filterPlugin(), sortPlugin(), paginationPlugin()],
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initialState: { pagination: { page: 1, pageSize: 2 } },
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});
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assert(all.getVisibleRows().rows.length === 2, 'getVisibleRows 受分页约束只给当页');
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all.dispatch({ type: 'setFilter', key: 'city', value: 'Beijing' });
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assert(all.getAllRows().rows.length === 2 && all.getVisibleRows().rows.length === 2, 'getAllRows 跳过分页但与筛选一致(Beijing 2 行)');
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all.dispatch({ type: 'toggleSort', key: 'age' });
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assert(
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JSON.stringify(all.getAllRows().rows.map((r) => r.id)) === JSON.stringify([4, 2]),
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'getAllRows 仍按排序规则排(age 升序 4→2)',
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);
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assert(all.getPageInfo().totalPages === 1, 'getAllRows 不影响分页快照(2 行 / 每页 2 = 1 页)');
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console.log('SMOKE OK');
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@@ -80,12 +80,14 @@ export function createTable<T>(
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return cachedBase;
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}
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/*** 可见行模型:依序过插件 derive(filter → sort → paginate) ***/
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function getVisibleRows(): RowModel<T> {
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/*** 可见行模型:依序过插件 derive(filter → sort → paginate);paged=false 时跳过分页阶段取全量派生行 ***/
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function getVisibleRows(paged = true): RowModel<T> {
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ctx.paged = paged; // 由插件自行判断是否裁剪,核心不认插件细节
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let model = baseModel();
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for (const p of plugins) {
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if (p.derive) model = p.derive(model, state, ctx);
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}
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ctx.paged = true; // 还原缺省,避免影响后续调用
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return model;
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}
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@@ -94,6 +96,7 @@ export function createTable<T>(
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dispatch,
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subscribe,
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getVisibleRows,
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getAllRows: () => getVisibleRows(false), // 筛选 + 排序后、未分页的全量行(导出等场景)
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getColumns: () => columns,
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getCellValue,
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isRowSelected: (key) => state.selection.includes(key),
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@@ -1,5 +1,6 @@
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import type {
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Action,
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DeriveContext,
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RowModel,
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TableInstance,
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TablePlugin,
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@@ -32,7 +33,8 @@ export function paginationPlugin<T = unknown>(): TablePlugin<T> {
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return state;
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}
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},
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derive(model: RowModel<T>, state: TableState): RowModel<T> {
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derive(model: RowModel<T>, state: TableState, ctx: DeriveContext<T>): RowModel<T> {
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if (ctx.paged === false) return model; // 不分页:原样放行上游模型(导出全量行)
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if (model === lastInput && state.pagination === lastPage && cached) return cached;
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const { page, pageSize } = state.pagination;
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const totalPages = Math.max(1, Math.ceil(model.total / pageSize));
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@@ -61,6 +61,7 @@ export interface RowModel<T = unknown> {
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/*** 派生上下文:核心注入给插件的取值能力 ***/
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export interface DeriveContext<T = unknown> {
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paged?: boolean; // 是否分页裁剪;false 时 pagination 插件原样放行(导出全量行用)
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getCellValue(row: T, key: string): unknown; // 单元格取值(走列 accessor)
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getKey(row: T): RowKey; // 行标识取值
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}
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@@ -89,6 +90,7 @@ export interface TableInstance<T = unknown> {
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dispatch(action: Action): void; // 派发动作,唯一变更入口
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subscribe(fn: () => void): () => void; // 订阅变更,返回取消函数
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getVisibleRows(): RowModel<T>; // 可见行模型(过完整管线)
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getAllRows(): RowModel<T>; // 筛选 + 排序后、未分页的全量行(导出用)
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getColumns(): ColumnDef<T>[]; // 列定义
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getCellValue(row: T, key: string): unknown; // 单元格取值
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isRowSelected(key: RowKey): boolean; // 行是否已选
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@@ -0,0 +1,39 @@
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import { h } from '@ui-arch/frame';
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import type { RowModel } from '@ui-arch/table-core';
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import { button } from './button.js';
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import type { TableColumn } from './types.js';
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/*** 单元格转义:含逗号 / 引号 / 换行时整体加引号,内部引号翻倍 ***/
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function cell(v: unknown): string {
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const s = v == null ? '' : String(v);
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return /[",\r\n]/.test(s) ? `"${s.replace(/"/g, '""')}"` : s;
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}
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/*** 导出 CSV:前置 BOM + CRLF 换行,Excel 打开中文不乱码 ***/
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export function downloadCsv(name: string, header: string[], rows: unknown[][]): void {
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const text = '\ufeff' + [header, ...rows].map((r) => r.map(cell).join(',')).join('\r\n') + '\r\n';
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const url = URL.createObjectURL(new Blob([text], { type: 'text/csv;charset=utf-8' }));
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const a = h('a', { href: url, download: name }) as HTMLAnchorElement;
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document.body.appendChild(a); // 挂进文档再点击:Safari 对游离锚点不触发下载
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a.click();
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a.remove(); // 立即摘除,不留残留节点
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URL.revokeObjectURL(url);
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}
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/*** 导出按钮:取筛选 + 排序后的全量行(不分页),列序与表头一致、单元格走 format ***/
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export function exportButton<T>(
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table: { getAllRows(): RowModel<T>; getCellValue(row: T, key: string): unknown },
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columns: TableColumn<T>[],
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name: string,
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): HTMLElement {
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const run = (): void => {
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const rows = table.getAllRows().rows;
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const header = columns.map((c) => String(c.header ?? c.key));
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const body = rows.map((row) => columns.map((c) => {
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const raw = table.getCellValue(row, c.key);
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return c.format ? c.format(raw, row) : raw; // 与单元格显示同源,导出内容与看到的一致
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}));
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downloadCsv(name, header, body);
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};
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return button({ label: '导出 CSV', variant: 'ghost', onClick: run });
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}
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@@ -8,6 +8,7 @@ import {
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import type { PageInfo, RowKey, TableInstance } from '@ui-arch/table-core';
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import { computed, effect, h, renderList, signal } from '@ui-arch/frame';
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import { attachResize } from './columnResize.js';
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import { exportButton } from './csv.js';
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import { button } from './button.js';
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import { skeleton } from './skeleton.js';
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import { textField } from './textField.js';
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@@ -184,6 +185,7 @@ export function dataTable<T extends { id: RowKey }>(props: DataTableProps<T>): H
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{ class: 'ua-table-toolbar' },
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filterInput,
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selectable ? h('span', { class: 'ua-sel-count' }, () => (selectedCount() ? `已选 ${selectedCount()} 行` : '')) : null,
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props.exportable ? exportButton(table, props.columns, props.exportName ?? 'table.csv') : null, // 导出筛选+排序后的全量行
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),
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h('div', { class: 'ua-table-scroll' }, h('table', null, colgroup, h('thead', null, h('tr', null, selectable ? headCheck : null, ...props.columns.map(th))), tbody)),
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h(
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@@ -63,6 +63,8 @@ export interface DataTableProps<T> {
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page?: Signal<number>; // 受控页码信号:与内核分页双向同步,可接独立 pagination 组件联动
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loading?: boolean | Signal<boolean>; // 加载态:为真时数据行换成骨架行,筛选与翻页禁用
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selected?: Signal<RowKey[]>; // 受控选中行信号:与内核选择双向同步,供批量操作读取
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exportable?: boolean; // 工具栏显示导出按钮:导出筛选 + 排序后的全量行(不分页);缺省 false
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exportName?: string; // 导出文件名;缺省 table.csv
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}
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/*** 选项条目:select / radioGroup / tabs / segmented 共用的选项形状 ***/
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@@ -1638,6 +1638,16 @@
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"n": "selected",
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"t": "Signal<RowKey[]>",
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"d": "受控选中行信号:与内核选择双向同步(内容比较,不来回派发),供批量操作读取/改写"
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},
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{
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"n": "exportable",
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"t": "boolean",
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"d": "工具栏显示「导出 CSV」:导出筛选 + 排序后的全量行(不分页);缺省 false"
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},
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{
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"n": "exportName",
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"t": "string",
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"d": "导出文件名;缺省 table.csv"
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}
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],
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"example": "dataTable({ data: users, selectable: true, columns: [{ key: 'name', header: '姓名', sortable: true }], pageSize: 5 })",
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@@ -1653,7 +1663,8 @@
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"数据在途时传 loading(布尔或信号):表格体换成骨架行、筛选与翻页禁用,返回后置回 false 即恢复",
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"需要独立分页器联动时传 page 信号:const page = signal(1),dataTable({ page }) 与 pagination({ page }) 共用",
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"需要批量操作时传 selected 信号:内部勾选实时写回,外部置空或赋值即同步整表(跨页保留,按 rowKey 存)",
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"可排序表头的 aria-sort 跟随排序态同步(ascending / descending / none),读屏能直接播报当前列序,箭头只是视觉补充"
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"可排序表头的 aria-sort 跟随排序态同步(ascending / descending / none),读屏能直接播报当前列序,箭头只是视觉补充",
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"需要导出时开 exportable:按钮导的是筛选+排序后的全量行,与当前页无关,单元格按 format 输出"
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]
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},
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||||
{
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Block a user