React第三方组件5(状态管理之Redux的使用④TodoList下)

import React from 'react';
import {createStore} from 'redux';
import {Provider, connect} from 'react-redux';
import reducer from './reducer'
import List from './List'

const store = createStore(reducer);

class Index extends React.Component {
    render() {
        let props = this.props;
        return (
            <div className="todoList">
                <input type="text" ref="todoInput"/>
                <button onClick={() => this.props.dispatch({type: 'ADD', title: this.refs['todoInput'].value})}>添加
                </button>
                <div className="cont">
                    <div className="box">
                        全部
                        <List type={0} {...props}/>
                    </div>
                    <div className="box">
                        未删除
                        <List type={1} {...props}/>
                    </div>
                    <div className="box">
                        已删除
                        <List type={2} {...props}/>
                    </div>
                </div>
            </div>
        );
    }
}

const mapStateToProps = state => ({storeState: state});

const Main = connect(
    mapStateToProps
)(Index);

export default () =>
    <Provider store={store}>
        <Main/>
    </Provider>
;

import React from 'react';

class List extends React.Component {
    render() {
        let {list} = this.props.storeState;
        let type = this.props.type;
        let LiCont = ({data}) =>
            <li>
                {data.title}
                <button
                    onClick={() => this.props.dispatch({
                        type: 'EDIT', obj: {
                            id: data.id,
                            status: data.status === 1 ? 0 : 1
                        }
                    })}
                    className={data.status === 1 ? "del" : "recovery"}>
                    {data.status === 1 ? "删除" : "恢复"}
                </button>
            </li>
        ;
        return (
            <div className="list">
                {
                    list.length > 0 && list.map(data => [
                            type === 0 ?
                                <LiCont data={data} key={data.id}/>
                                :
                                type === 1 && data.status === 1 ?
                                    <LiCont data={data} key={data.id}/>
                                    :
                                    type === 2 && data.status === 0 ?
                                        <LiCont data={data} key={data.id}/>
                                        :
                                        null
                        ]
                    )
                }
            </div>
        );
    }
}

export default List;

export default (state = {
    list: []
}, action) => {
    let list = state.list;
    switch (action.type) {
        case 'ADD':
            if (!action.title) {
                alert('不能为空');
                return state;
            }
            list.push({id: state.list.length + 1, title: action.title, status: 1});
            return {list};
        case 'EDIT':
            let {id,status} = action.obj;
            list.find(data => data.id === id).status = status;
            return {list};
        default:
            return state;
    }
};