在React中遇到“dispatch is not a function”的错误通常意味着你尝试调用的dispatch函数未被正确定义或未被正确使用。下面是一些可能导致这个问题的原因及相应的解决步骤: 确认dispatch的来源和定义: 如果dispatch来自Redux,确保你已经通过useDispatch钩子正确导入了它。例如: javascript import { useDispatch } from 're...
dispatch 写在函数组件外面报错 [eslint] src\pages\question\Edit\ComponentLib.tsx Line 13:20: React Hook "useDispatch" is called in function "genComponent" that is neither a React function component nor a custom React Hook function. React component names must start with an uppercase letter. Rea...
react结合redux发起异步请求,把返回的结果存储在store中,提示错误(已解决) dispatch is not a function 代码: import axios from 'axios'; const url='https://cnodejs.org/api/v1/'; function getTopicList (listData) { return { type : 'TOPICS', listData : listData } } function getAllTopicListD...
react报错: dispatch is not a function import {connect} from'dva' @connect(({ testHome }) => ({ testHome })) class Methods extends Component{ } models文件定义exportdefault{ namespace:'testHome', }
react结合redux发起异步请求,把返回的结果存储在store中,提示错误(已解决)dispatch is not a function 代码:import axios from 'axios'; const url='https://cnodejs.org/api/v1/'; function getTopicList (listData) { return { type : 'TOPICS', listData : listData } } function getAllTopicListData...
EN需求:有5个任务,前面4个都是不耗时的,执行顺序无要求,第5个任务得在前4个任务都完成后执行。
We will create a middleware function that will check dispatched actions to see if they are arrays. If a given action is an array we loop over the array, dispatching each action in turn. If it is not however, we just pass it along to be handled downstream. ...
dblclick), 执行双击事件(dblclick)时却会触发两次单击事件(click)。 先看一下点击事件的执行顺序:
function createMarkup() {return{__html:'First Second'}; } function MyComponent() {return; } 1. 2. 3. 4. 5. 6. 7. 2、条件渲染与循环渲染 AI检测代码解析 render() {return({/*条件渲染*/} {this.props.title && {this.props.title} } {/*短路逻辑*...
setMyList: status => { console.log(dispatch) dispatch(setMyList(status)); // dispatch is not a function } }); export default connect(mapDispatchToProps)(Nav) 这里dispatch打印出来是state里的初始数据,是一个对象,哪里出问题了 redux、react-redux为最新版本...