feat: 导出按钮支持仅导出勾选行模式

src/plugins/excel/components/export-btn.tsx

@@ -106,7 +106,7 @@ export default defineComponent({
 		}
 
 		// 导出
-		async function toExport(columns: ClTable.Column[]) {
+		async function toExport(columns: ClTable.Column[], mode: 'all' | 'selected' = 'all') {
 			// 加载
 			loading.value = true;
 
@@ -117,7 +117,38 @@ export default defineComponent({
 			const header = await getHeader(columns, fields);
 
 			// 数据
-			let data = await getData();
+			let data: any[];
+
+			if (mode === 'selected') {
+				// 导出勾选行 — 直接从 crud.selection 取数据
+				data = Crud.value?.selection;
+
+				if (!data || data.length === 0) {
+					loading.value = false;
+					return ElMessage.warning('请先勾选要导出的行');
+				}
+
+				// 应用 formatter 和 dict
+				data = data.map((e, i) => {
+					const row = { ...e };
+					for (const k in row) {
+						const col = props.columns?.find(c => c.prop == k);
+
+						if (col) {
+							if (col.formatter) {
+								row[k] = col.formatter(row, col, row[k], i);
+							}
+
+							if (col.dict) {
+								row[k] = deepFind(row[k], col.dict as any)?.label || row[k];
+							}
+						}
+					}
+					return row;
+				});
+			} else {
+				data = await getData();
+			}
 
 			if (!data) {
 				loading.value = false;
@@ -165,9 +196,21 @@ export default defineComponent({
 					labelPosition: 'top'
 				},
 				form: {
+					mode: 'all',
 					checked: columns.map(e => e.prop)
 				},
 				items: [
+					{
+						label: t('导出范围'),
+						prop: 'mode',
+						component: {
+							name: 'el-radio-group',
+							options: [
+								{ label: '全部数据', value: 'all' },
+								{ label: '仅导出勾选', value: 'selected' }
+							]
+						}
+					},
 					{
 						label: t('选择列'),
 						prop: 'checked',
@@ -184,11 +227,14 @@ export default defineComponent({
 				],
 				on: {
 					submit(data, { close, done }) {
-						if (isEmpty(data.checked)) {
+						if (data.mode === 'selected' && (!Crud.value?.selection || Crud.value.selection.length === 0)) {
+							ElMessage.warning('请先勾选要导出的行');
+							done();
+						} else if (isEmpty(data.checked)) {
 							ElMessage.warning(t('请先选择要导出的列'));
 							done();
 						} else {
-							toExport(columns.filter(e => data.checked.includes(e.prop)));
+							toExport(columns.filter(e => data.checked.includes(e.prop)), data.mode);
 							close();
 						}
 					}