优化

src/shared/components/DataTable.test.ts

@@ -87,4 +87,32 @@ describe('DataTable column preferences', () => {
     await wrapper.vm.$nextTick()
     expect(wrapper.findAll('.column-stub').map((column) => column.attributes('data-label'))).toEqual(['操作', '名称', '状态'])
   })
+
+  it('keeps business actions, column settings, and trailing controls in one toolbar', () => {
+    const wrapper = shallowMount(DataTable, {
+      props: { data: [], columns: configurableColumns, preferenceKey: 'orders-table' },
+      slots: {
+        'toolbar-start': '<h2>订单列表</h2>',
+        'toolbar-actions': '<button>新增订单</button>',
+        'toolbar-end': '<button>刷新</button>',
+      },
+      global: {
+        provide: { [UI_PREFERENCE_SCOPE as symbol]: computed(() => 'user-1') },
+        stubs: {
+          ElTable: TableStub,
+          ElTableColumn: ColumnStub,
+          ElButton: ButtonStub,
+          ElPopover: PopoverStub,
+        },
+        directives: { loading: {} },
+      },
+    })
+
+    expect(wrapper.findAll('.data-table__toolbar')).toHaveLength(1)
+    expect(wrapper.get('.data-table__toolbar-start').text()).toBe('订单列表')
+    expect(wrapper.get('.data-table__toolbar-actions').text()).toContain('新增订单')
+    expect(wrapper.get('.data-table__toolbar-actions').text()).toContain('刷新')
+    expect(wrapper.get('.data-table__business-actions').text()).toBe('新增订单')
+    expect(wrapper.get('.data-table__toolbar-end').text()).toBe('刷新')
+  })
 })