update at 2026-02-14 10:58:54

tests/miniapp.spec.ts

@@ -74,4 +74,17 @@ describe('miniapp utils sankey', () => {
 
     expect(table.rows).toEqual([['A', 'B', '0']]);
   });
+
+  it('xlsx 中常见中文乱码应尝试自动恢复', () => {
+    const sheet = XLSX.utils.aoa_to_sheet([['人數'], ['张三']]);
+    const workbook = XLSX.utils.book_new();
+    XLSX.utils.book_append_sheet(workbook, sheet, 'S1');
+    const buffer = XLSX.write(workbook, { bookType: 'xlsx', type: 'buffer' });
+    const arrayBuffer = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength);
+
+    const table = parseXlsxBuffer(arrayBuffer);
+
+    expect(table.headers).toEqual(['人數']);
+    expect(table.rows).toEqual([['张三']]);
+  });
 });