reducer case函数***是***“看到”Thunk已被分派的函数。如果单独处理每个thunk太多，那么您可以使用matching utility来处理单个reducer case函数的多个操作。使用单个employee.loading状态。
示例：

import {
  createSlice,
  createAsyncThunk,
  isPending,
  isFulfilled,
  isRejected,
} from '@reduxjs/toolkit';

const initialState = {
  loading: false,
  data: [],
};

... createAsyncThunks ...

export const employeeSlice = createSlice({
  name: "employee",
  initialState,
  extraReducers: builder => {
    builder
      .addMatcher(
        isPending(saveEmployeeData, editEmployeeData, getallEmployeeData),
        (state) => {
          state.loading = true;
        }
      )
      .addMatcher(
        isFulfilled(saveEmployeeData, editEmployeeData, getallEmployeeData),
        (state, action) => {
          state.loading = false;
          state.data = action.payload 
        }
      )
      .addMatcher(
        isRejected(saveEmployeeData, editEmployeeData, getallEmployeeData),
        (state, action) => {
          state.loading = false;
          // set any error state ???
        }
      )
  },
});