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#1Connect: Extracting Data with mapStateToProps | React Redux
As the first argument passed in to connect , mapStateToProps is used for selecting the part of the data from the store that the connected component needs.
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#2搭配React 運用| Redux
要使用 connect() ，你需要定義一個名為 mapStateToProps 的特別function，它述說將如何轉換目前Redux store state 成為你想要傳到正在包裝的presentational component ...
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#3MapStateToProps & MapDispatchToProps & Connect - iT 邦幫忙
MapStateToProps & MapDispatchToProps & Connect. <好讀版>. 前言. 我們已經了解了資料可以透過props 的方式傳入component，但還沒了解container 如何獲得資料。
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#4Redux 入门教程（三）：React-Redux 的用法- 阮一峰的网络日志
mapStateToProps 是一个函数。它的作用就是像它的名字那样，建立一个从（外部的） state 对象到（UI 组件的） props ...
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#5What is mapStateToProps in Redux? - DEV Community
The mapStateToProps function is used in the Redux pattern to reflect any updates to the Redux store and merge them into props in your ...
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#6Understanding React-Redux and mapStateToProps() - Stack ...
Yes mapStateToProps has the Store state as an argument/param (provided by react-redux::connect ) and its used to link the component with certain ...
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#7Map State To Props Readme - Learn.co
When a change occurs, it calls a function that we write called mapStateToProps(), and in mapStateToProps() we specify exactly which slice of the state we want ...
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#8What is Redux mapStateToProps? - Jakob Lind
What is Redux mapStateToProps? ... This function selects parts of the Redux state and passes it in as props to the component that connect() is applied to. That ...
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#9mapStateToProps, and why you may not need ... - Medium
When I started React+Redux, one of the first things I did not understand were the obscure mapDispatchToProps and mapStateToProps functions.
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#10Replacing mapStateToProps with the useSelector Hook
Redux provides a useSelector hook for easy access to state within a function component. This hook replaces the mapStateToProps function ...
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#11Unused ownProps parameter of the React Redux ... - DeepScan
The mapStateToProps(state, ownProps) is specified as the first argument of connect() call and its ownProps parameter receives the props object of the ...
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#12[Redux] react-redux API 筆記| PJCHENder 未整理筆記
mapStateToProps @ react-redux. // ownProps 指的是該component 本身所擁有的props // state 則是指在Redux store 中的所有資料
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#13How do I `mapStateToProps` or `mapDispatchToProps`?
How do I mapStateToProps or mapDispatchToProps ? #. Better to show with an example: import React, { Component } from 'react' import { reduxForm } from ...
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#14The Bad Boys of React-Redux | Hacker Noon
MAPSTATETOPROPS. Mapstatetoprops is a function that takes a parameter and returns an object, this parameter is the redux store state. It injects ...
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#15（翻译）React-Redux的Connect部分：mapStateToProps和 ...
mapStateToProps 通常简称为 mapState 。 Store 中的state 每次改变都会调用 mapStateToProps mapStateToProps 接受整个store，并返回组件需要的数据对象 ...
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#163 ways to test mapStateToProps and mapDispatchToProps
Instead, you test your wrapped component separately, by exporting it as a named export. But what about mapStateToProps and mapDispatchToProps ?
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#17了解React-Redux和mapStateToProps（） - QA Stack
特别是 mapStateToProps() 。 以我的理解，其返回值 mapStateToProps 将是一个从状态派生的对象（因为它存在于商店中），其键将作为道具传递给目标组件（应用了connect ...
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#18mapStateToProps，mapDispatchToProps的使用姿势 - 腾讯 ...
mapStateToProps （state, ownProps） · mapStateToProps 是一个函数，用于建立组件跟 store 的 state 的映射关系 · 作为一个函数，它可以传入两个参数，结果 ...
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#19Demystifying mapStateToProps for beginners to React and ...
export default connect(mapStateToProps)(MyComponent);. Let's break down this into smaller pieces of code and some pseudocode. const ...
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#20mapStateToProps for functional component
Is there any function similar to mapStateToProps so that we can connect Redux state to the functional component in React? Is passing the state as props from ...
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#21mapStateToProps & mapActionsToProps not firing in react ...
Trouble is, mapStateToProps isn't firing — no props (neither state nor actions) show up in React DevTools and I can't even console log from inside ...
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#22Using Redux with React Hooks - Thoughtbot
useSelector is analogous to connect 's mapStateToProps . You pass it a function that takes the Redux store state and returns the pieces of ...
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#23keywords:mapStateToProps - npm search
Utility to reduce boilerplate code while using selectors together with Redux mapStateToProps. redux · selector · mapStateToProps · compose.
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#24javascript - 我可以在Redux 中没有mapStateToProps 的情况下 ...
我的直觉告诉我 connect() 预计 mapStateToProps 先于 mapDispatchToProps . 工作原件如下所示: import React from 'react'; import {connect} ...
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#25Should I use useselector/useDispatch instead of ... - Newbedev
What are the benefits of using the hook besides saving lines of code compared to mapStateToProps? You save time by not writing connect function any time you ...
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#26Redux- mapStateToProps not working - Pretag
It does not matter if a mapStateToProps function is written using the function keyword (function mapState(state) { } ) or as an arrow ...
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#27accessing local state in mapStateToProps · React - Spectrum ...
is there any way to access components state or props at react-redux mapStateToProps function. What I need to do is , using a value from ...
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#28react redux mapstatetoprops Code Example
“react redux mapstatetoprops” Code Answer's. redux mapstatetoprops get props. javascript by Thoughtful Turkey on Sep 17 2021 Comment.
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#29mapStateToProps，mapDispatchToProps的使用姿势 - 腾讯云
mapStateToProps （state, ownProps）. mapStateToProps 是一个函数，用于建立组件跟 store 的 state 的映射关系; 作为一个函数， ...
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#30mapStateToProps - CodeSandbox
Forked FrommapStateToProps; Environmentcreate-react-app. Files. Hello.js. index.html. index.js. Dependencies. @atlaskit/button.
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#31Question mapStateToProps() in Connect(EquipmentMetadata ...
mapStateToProps () in Connect(EquipmentMetadata) must return a plain object. Instead received undefined. Warning: Failed prop type: The prop name is marked ...
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#32Manage state with React Hooks - IBM
Implement mapStateToProps to have access to the state object to call selectors. Use the connect higher-order component when you export the component to wire ...
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#33React Redux Connect: When and how to use it - LogRocket Blog
Using mapStateToProps in React Redux ... This argument is a function that returns either a plain object or another function. Passing this argument ...
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#34Redux：mapStateToProps为什么第二个参数ownProps
Redux: mapStateToProps why second parameter ownProps我见过很多次人们将redux连接到组件，并且他们在mapStateToProps中使用第二个参数。
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#35API - Redux中文文档
[ mapStateToProps(state, [ownProps]): stateProps ] (Function): 如果定义该参数，组件将会监听Redux store 的变化。任何时候，只要Redux store 发生改变， ...
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#36React Redux 元件更新/渲染原理connect之mapStateToProps ...
本文深入淺出mapStateToProps，解答： 為什麼修改state，元件未渲染/更新？ 如何從新舊state判斷更新的值、未更新的值，從而決定是否re-render？
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#37What is the difference between mapStateToProps() and ...
mapStateToProps () is a utility which helps your component get updated state (which is updated by some other components):. const mapStateToProps = (state) ...
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#38What's the Difference between mapstatetoprops and ...
The results of mapStateToProps must be a plain object, which will be merged into the component's props. With mapDispatchToProps every action creator wrapped ...
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#39關於react-redux的mapStateToProps取到值(state會更新變化)但 ...
想通過react-redux和redux實現react組件之間的通信,reducer、action、store都編寫正確,mapDispatchToProps也能正確傳值.唯獨mapStateToProps的return ...
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#40初次理解mapStateToProps和mapDispatchToProps - 博客园
两名称拆开来看，顾名思义就是把state和dispatch都转成当前组件的props属性，供当前组件或子组件来使用。 mapStateToProps. 可以理解成就是 ...
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#41How to Cross-Access State Values | Pluralsight
The basic syntax of the connect() method should look like this. 1function connect( 2 mapStateToProps ...
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#42Redux `mapStateToProps` not updating : r/reactjs - Reddit
In my reducer, one of my actions is to add an element to the set (using active: state.active.add(action.data) , which returns a new set). In my mapStateToProps ...
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#43A beginner's guide to Redux - freeCodeCamp
mapStateToProps is a function which simply returns an object that defines what state should be passed into the component by assigning values in ...
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#44How to access props in mapDispatchToProps - Emma Goto
While using Redux, you may come across a situation where you are passing in props from both mapStateToProps and mapDispatchToProps ...
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#45mapstatetoprops和mapdispatchtoprops之间的区别是什么
mapStateToProps 是一个用于向组件提供商店数据的函数,而您将使用该函数 ... mapStateToProps:它将redux状态连接到react组件的props.
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#46React-redux中mapStateToProps无法注入props? - SegmentFault
想通过react-redux和redux实现react组件之间的通信,reducer、action、store都编写正确,mapDispatchToProps也能正确传值.唯独mapStateToProps的功能不 ...
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#4718-mapStateToProps的第二个参数 - 简书
本文讲讲关于 mapStateToProps 的一些细节。 App.js. import React from 'react'; ...
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#48redux mapstatetoprops的推薦與評價， 網紅們這樣回答
redux mapstatetoprops的推薦與評價，的和這樣回答，找redux mapstatetoprops在%的就來居家網紅推薦指南，有推薦與體驗分享.
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#49洗掉mapStateToProps將給出undefined - 有解無憂
如果我洗掉'mapStateToProps ' 并設定connect(null, null)(ConnectedList) ... useDispatch } from "react-redux"; const mapStateToProps = (state) ...
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#50Why you should not use mapStateToProps too often | cmichel
The exercise child component also gets its props from the state with mapStateToProps , but to do that it needs to know which exercise it ...
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#51mapStateToProps - 知食记
mapStateToProps 是一个函数。它的作用就是像它的名字那样，建立一个从（外部的） state 对象到（UI 组件的） props 对象的映射关系。 作为函数， mapStateToProps ...
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#52Redux in React - mapStateToProps - Scrimba.com
Redux in React - mapStateToProps. by V School. Expand for more info. App.js. run. preview. console. import React from "react"
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#53redux Tutorial => Map state to properties
import { connect } from 'react-redux'; const MyComponent = ({data}) => ( <div>{data}</div> ); const mapStateToProps = (state, ownProps) => ({ data: state.
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#54In React-Redux, what are the possible reasons why the state ...
Have you used connect on your component? Is the syntax correct? export default connect(mapStateToProps, mapDispatchToprops)(YourComponent).
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#55Simplifying Connected Props with Redux and TypeScript
props returned from mapStateToProps,; props returned from mapDispatchToProps . When used with TypeScript, all those props need to have types. If ...
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#56使用react-redux綁定Redux與React · React - DOM界的彼方(繁中)
[mapStateToProps(state, [ownProps]): stateProps] (Function): If specified, the component will subscribe to Redux store updates. Any time it updates, ...
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#57理解React-Redux和mapStateToProps（） - 中文— it-swarm.cn
我理解它的方式， mapStateToProps 的返回值将是一个从状态派生的对象（因为它存在于商店中），其键将作为道具传递给目标组件（应用组件连接）。
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#58React/Redux Snippets - Visual Studio Marketplace
mapStateToProps, mstp. mapDispatchToProps, mdtp. connect, connect. reducer, reducer. action, action. actionType, actionType.
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#59Redux mapStateToProps and mapDispatchToProps Shorthand
Reselect to combine our selectors into a single selector. This single selector can be used directly in mapStateToProps . Action creators and ...
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#60Dependency Injection Connection (mapStateToProps ...
Dependency Injection Connection (mapStateToProps, mapDispatchToProps) between React and Redux · 1. Container components · 2. connent() function ...
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#61redux-form.selector JavaScript and Node.js code examples
const mapStateToProps = (state, props) => { const selector = formValueSelector(props.formInstanceId); const referralField = formUtil.obsFieldName('referral' ...
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#62Learn mapStateToProps & Connect API - Frontend Masters
Steve demonstrates how to use mapStateToProps and reducers to pull and map objects from the Redux store instead of having a hard coded initial state.
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#63API - document
[ mapStateToProps(state, [ownProps]): stateProps ] (Function): 如果定义该参数，组件将会监听Redux store 的变化。任何时候，只要Redux store 发生改变， ...
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#64useSelector vs connect (react-redux) - Sam Dawson
const mapStateToProps = (state) => { return { count: selectCount(state), }; }; const mapDispatchToProps = (dispatch) => { return { increment: () ...
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#65React-redux mapStateToProps，mapDispatchToProps 如何使用
mapStateToProps (state, ownProps) : stateProps這個函數允許我們將store 中的資料作為props 綁定到組件上。const mapStateToProps = (state) ...
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#66Identifier'mapStateToProps'has already been declar - 知乎专栏
react 踩坑：I dentifier 'mapStateToProps' has already been declared？？？ 我原来的代码： import React, {Component} from 'react'; ...
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#67react-redux之mapDispatchToProps與mapStateToProps多種寫法
//mapStateToProps第二種寫法// mapStateToPropsCreator 其實就是正常寫法、第一種寫法的mapStateToProps const mapStateToPropsCreator = (state)=>{ ...
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#68You Might Not Need The mapDispatchToProps Function
First, a mapStateToProps function that plucks pieces of state out of Redux and assigns them to props that your React component will use.
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#69Redux anti-pattern: dumb mapStateToProps - Gosha Arinich
function mapStateToProps({ tournament, match }) return { tournament, match }; } @connect(mapStateToProps) class MatchInfo extends Component ...
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#70mapStateToProps，mapDispatchToProps的使用姿势 - JoyNop
前言刚接触redux的时候,发现大家对mapSispatchToProps使用有几种方法,而且都跑通了,本文介绍下redux的mapStateToProps,mapDispatchToProps...
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#71React-redux "connect" explained - Soham Kamani
mapStateToProps and mapDispatchToProps are both pure functions that are provided the stores “state” and “dispatch” respectively.
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#72Typesafe Container Components with React-Redux's Connect ...
Typing Connect. As a starting point, I'll add types to mapStateToProps and mapDispatchToProps . TypeScript. interface ...
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#73從State 到Prop 的映射
const mapStateToProps = (state) => { return { todos: getVisibleTodos(state) } }. 就是這樣！我們給定memory 到我們的function。如果涉及的state ...
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#74React-Redux mapStateToProps不是到處都被調用- 堆棧內存溢出
我正在處理內部的Flash消息 const mapStateToProps = state => { console.log(state.flashMessages); <---This return { messages: state.
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#75mapstatetoprops和mapdispatchtoprops之间的区别是什么？
mapStateToProps 是一个用于向组件提供商店数据的函数，而 mapDispatchToProps 是用于将动作创建者作为组件的道具提供的功能。 根据文件：. 如果指定了 mapStateToProps ...
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#76Mastering React Test-Driven Development: Build rock-solid, ...
Add the component, together with a useEffect hook: export const CustomerHistory = connect( mapStateToProps, mapDispatchToProps )(({ id, ...
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#77State management in react -- Redux
Provider 、 connect（mapStateToProps,mapDistpatchToProps）. Provider Responsible for store dependent api, Pass in to all internal container ...
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#78Learning Redux - 第 95 頁 - Google 圖書結果
components/PostList.jsx' const mapStateToProps = (state, props) => { return { posts: state.posts } } const ConnectedPostList ...
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#79Redux in Action - Google 圖書結果
In the App component, pass along the yet-to-be-created error property from the redux store in mapStateToProps, as shown in the following listing.
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#80React 16 Essentials: A fast-paced, hands-on guide to ...
It does use state from the Redux store though, so our mapStateToProps() implementation returns state. collection. This is how we slice the state of the ...
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#81React: Cross-Platform Application Development with React ...
We will create two functions (mapStateToProps and mapStateActionsToProps) to decorate our <ImageList /> component with the mapped actions and parts of the ...
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#82Full Stack Development with JHipster: Build full stack ...
</div> ); }; const mapStateToProps = ({ employee }: IRootState) => ({ employeeList: employee.entities }); const mapDispatchToProps = { getEntities }; type ...
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#83Mastering React Native - 第 216 頁 - Google 圖書結果
The mapStateToProps method ... components/NewsFeed'; const mapStateToProps = state => ({ news: ... dispatch) ); export default connect(mapStateToProps, ...
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#84Useful React Hooks That You Can Use In Your Projects
Where mapStateToProps and mapDispatchToProps are functions to be defined. Whereas in the Hooks era, one can easily achieve the same result ...
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#85A customizeable HTML5 Video React component with i18n ...
mapStateToProps (videoState, ownProps) - Use this to return the HTML5 video attributes required for your component. The plain object returned ...
mapstatetoprops 在 コバにゃんチャンネル Youtube 的最讚貼文
mapstatetoprops 在 大象中醫 Youtube 的最讚貼文
mapstatetoprops 在 大象中醫 Youtube 的最佳貼文