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weapp-mobx

v0.0.2

Published

微信小程序 mobx 绑定( wechat weapp mobx )

Readme

微信小程序 mobx 绑定 依赖 mobx 版本: 4.9.2

安装

npm 包

npm install weapp-mobx -save

使用( 使用 ES5 语法 )

  1. 创建 mobx 的 stores

    // <小程序根目录>/stores/todoStore.js
    var extendObservable = require('wechat-weapp-mobx/mobx').extendObservable;
    var TodoStore = function() {
      extendObservable(this, {
        todos: [],
        todoText: 'aaa',
        get count() {
          return this.todos.length;
        }
      });
      // action
      this.addTodo = function(title) {
        this.todos.push( {title: title} );
      }
    
      this.removeTodo = function() {
        this.todos.pop();
      }
    }
    
    module.exports = {
      default: new TodoStore,
    }
  2. 绑定页面联动事件

    // npm 包安装引入的路径
    var observer = require('wechat-weapp-mobx/observer').observer;
    // 关键, 监控页面事件, 让 mobx 有机会更新页面数据
    Page(observer({
      props: {
        todoStore: require('../stores/todoStore').default,
      },
      // your other code below
      onLoad(){
      }
    }))
  3. 说明

    完成上述两步之后,你就可以在 wxml 中用 props.todoStore 这种方式来访问了, 并且数据联动已经自动工作.

    // <小程序根目录>/pages/index/index.wxml
    <view>{{props.todoStore.todoText}}</view>
  4. 数据自动联动

stores 中的数据可以跨页面同时访问,并且数据更新后,页面也会自动更新。从而节省大量逻辑代码。

版本更新记录

  • 新增组件 component observer