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使用redux-persist时出错.我找不到有关redux-persist v5的文档.我只是按照官方用法示例.但我对此感到困惑.在我使用redux-persist之前,我可以正确地从商店获取状态.但是我希望在本地保持登录状态.所以我尝试使用redux-persist.然后我遇到了一些问题.这是我的代码:

reducer.js

const initialState = {
  isLogin: false,
  uname: "",
}

const userReducer = (state = initialState, action) => {
  switch(action.type) {
    case 'DO_LOGIN':
      return Object.assign({}, state, {
        isLogin: true,
        uname: action.payload.username
      })
    default:
      return state
  }
}

const reducers = combineReducers({
  userInfo: userReducer
})

export default reducers

store.js

import thunk from 'redux-thunk'
import { createLogger } from 'redux-logger'
import { createStore, applyMiddleware, compose } from 'redux'
import { persistStore, persistCombineReducers } from 'redux-persist'
import storage from 'redux-persist/es/storage'
import …

我想用 JSONEncoder 将字典编码为 json。它看起来像一个请求，接收一个字典作为参数并将其编码为 json 作为 http 正文。代码如下所示：

let dict = ["name": "abcde"]

protocol Request {
    var params: [String: Encodable] { get set }
    func encode<T>(_ value: T) throws -> Data where T : Encodable
}

extension Request {
    func encode<T>(_ value: T) throws -> Data where T : Encodable {
        return try JSONEncoder().encode(value)
    }

    var body: Data? {
        if let encoded = try? self.encode(self.params) {
            return encoded
        }
        return nil
    }
}

struct BaseRequest: Request {
    var params: [String …