fix: 修复总计小计被意外 format 的问题 (#2209)

packages/s2-core/__tests__/unit/cell/header-cell-spec.ts

@@ -53,6 +53,36 @@ describe('header cell formatter test', () => {
       expect(rowCell.getFieldValue()).toBe('杭州1');
     });
 
+    test('should not format pivot col and row total cell', () => {
+      const colNode = new Node({
+        id: `root[&]总计`,
+        key: '',
+        value: '总计',
+        parent: root,
+        label: '总计',
+        isTotals: true,
+      });
+      const rowNode = new Node({
+        id: `root[&]杭州[&]小计`,
+        key: '',
+        value: '小计',
+        parent: root,
+        label: '小计',
+        isTotals: true,
+      });
+
+      const formatter: Formatter = (value) => {
+        return `${value}1`;
+      };
+      jest.spyOn(s2.dataSet, 'getFieldFormatter').mockReturnValue(formatter);
+
+      const colCell = new ColCell(colNode, s2);
+      const rowCell = new RowCell(rowNode, s2);
+
+      expect(colCell.getFieldValue()).toBe('总计');
+      expect(rowCell.getFieldValue()).toBe('小计');
+    });
+
     test('pivot corner cell not formatter', () => {
       const formatter: Formatter = (value) => {
         return `${value}1`;

packages/s2-core/src/cell/header-cell.ts

@@ -85,16 +85,17 @@ export abstract class HeaderCell extends BaseCell<Node> {
   }
 
   protected getFormattedFieldValue(): FormatResult {
-    const { label } = this.meta;
+    const { label, isTotals } = this.meta;
 
     const formatter = this.spreadsheet.dataSet.getFieldFormatter(
       this.meta.field,
     );
 
-    const isTableMode = this.spreadsheet.isTableMode();
+    // 如果是 总计/小计 文字单元格，不需要被格式化
     // 如果是 table mode，列头不需要被格式化
+    const isTableMode = this.spreadsheet.isTableMode();
     const formattedValue =
-      formatter && !isTableMode
+      formatter && !isTableMode && !isTotals
         ? formatter(label, undefined, this.meta)
         : label;