mobx-react

npx create-react-app hello-mobx

yarn add mobx mobx-react react-router-dom

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使用装饰器

https://HdhCmsTestjianshu测试数据/p/2e23781c957f

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新建文件夹store

新建文件 homeStore.js index.js oneStore.js

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homeStore.js

import { observable}  from   "  mobx  "  ;
  class   HomeStore {
  @observable homeNum  =  0  ;
}
export   default  HomeStore;

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oneStore.js

import { observable}  from   "  mobx  "  ;
  class   OneStore {
  @observable oneNum  =  3333  ;
}
export   default  OneStore;

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index.js

import HomeStore  from   "  ./homeStore  "  ;
import OneStore   from   "  ./oneStore  "  ;
let oneStore  =  new   OneStore();
let homeStore  =  new   HomeStore();
  const  stores =  {
  oneStore,
  homeStore
};
  ///   默认导出接口 
export  default  stores;

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index.js 主入口

import React  from   "  react  "  ;
import ReactDOM   from   "  react-dom  "  ;
import Router   from   "  ./router/router  "  ;
import { Provider }   from   "  mobx-react  "  ;
import stores   from   "  ./store  "  ;
ReactDOM.render(
   <Provider {...stores}>
    <Router />
  </Provider> ,
  document.getElementById(  "  root  "  )
); 

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home.jsx页面

import React, { Component }  from   "  react  "  ;
 + import { observer, inject }  from   "  mobx-react  "  ;
 + @inject( "  homeStore  "  )
 +  @observer
  class   Home extends Component {
  constructor(props) {
    super(props);
      this .state =  {};
  }
  render() {
      return   (
       <div>
       +  <h1>首页数据源的number为:{ this .props.homeStore.homeNum}</h1>
        <button onClick={() => {   this .props.history.push( "  /one  " ) }}>  
            跳转到第一个页面
         </button>
      </div> 
    );
  }
}
export   default  Home;

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修改数据源

 //  homeStore.js 
import { observable,action}  from   "  mobx  "  ;
  class   HomeStore {
  @observable homeNum  =  0  ;
   +  @action addNum() {
   +   this .homeNum +=  1  ;
   +  }
   +  @action lessNum() {
   +   this .homeNum -=  1  ;
   +  }
}
export   default  HomeStore;

   render() {
      return   (
            //  代码自行添加。。。。。。 
    +  <div>
    +   <h1>首页数据源的number为:{ this .props.homeStore.homeNum}</h1>
    +    <button onClick={() => { this .props.homeStore.addNum()}} >
    +       点击添加
     +    </button>
    +    <button  onClick={() => { this .props.homeStore.lessNum()}}>
    +      点击删除
     +    </button>
    +  </div>
     //  代码自行添加。。。。。。 
     );
  }
}
export   default  Home;

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