Reflux之Store
Reflux中的Store既是一个listener(既有对action的监听,又有对store的监听)同时又是一个publisher.
一、监听单个action
const Reflux = require('reflux');
const action = Reflux.createAction();
const store = Reflux.createStore({
init() {
this.data = { num:0 };
// store监听action
this.listenTo(action, function(){
this.data.num++;
this.trigger(this.data);
}.bind(this))
}
})
// 监听store触发
store.listen(data => console.log(data));
// 触发action
action.trigger('in action');
action();
action();
action();
action();
action();
注意: 1. store.listen方法对store自身trigger进行监听。
2. store.listenTo对其他可监听对象进行监听。
二、同时监听多个actions
const Reflux = require('reflux');
// const actions = Reflux.createActions(['action1', 'action2']);
const actions = Reflux.createActions({
action1: {
asyncResult: true
},
action2: {
asyncResult: true
}
});
const store = Reflux.createStore({
listenables: actions,
// init() {
// this.listenToMany(actions)
// },
action1 () {
console.log('func in action1');
},
onAction1Completed () {
console.log('action1 completed')
},
onAction2() {
console.log('func in action2')
}
})
actions.action1();
actions.action2();
actions.action1.completed();
这里,在createStore中使用listenables属性,或者在init函数中使用listenToMany都可以实现对多个action的监听。使用这种写法对应的callback函数,可以与每个action同名,如action1;也可以使用on+Action,如onAction2。如果使用asyncResult属性定义action,默认下面有completed和failed两个children.
三、 react与Reflux结合demo import { createAction, createStore } from 'reflux';
import React from 'react'; const action = createAction(); const store = createStore({ init() { this.data = {num: 0}; this.listenTo(action, this.onClick); }, onClick () { this.data.num ++; this.trigger(this.data); } }) // React UI class ContainerUI extends React.Component { constructor (props) { super(props); this.state = { num: 0 } } componentDidMount () {
// 生成关闭函数 this.unmount = store.listen(data => { this.setState({ num: data.num }) }) } componentWillUnmont () {
//调用关闭函数 this.unmount(); } render () { return ( <div> { this.state.num } <button onClick={action}>自增</button> </div> ) } } export default ContainerUI;

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