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AntMobileDemo

ant-mobile TabBar 组件配合 react-router-redux 的最佳实践,坚定的眼神:)

故事背景: 最近在使用ant-mobile开发web app 应用,遇到TabBar组件切换问题,在ant-mobile的issues中搜到一些实践案例,但是感觉并没有完美解决这个问题,经过思考得出了下面这个最佳实践。直接上代码,你需要关注的3个文件及代码:

1、src/router/router.js

<Router history={history}>
<Route path='/' component={IndexPage}>
    <IndexRedirect to="/login"/>
    <Route path='/login' component={Login}/>
    <Route path='/home' component={HomePage}/>
    <Route component={HomePage}>
        <Route path='/customer/:type' component={Customer}/>
        <Route path='/agent/:type' component={Agent}/>
        <Route path='/store/:type' component={Store}/>
        <Route path='/user/:type' component={User}/>
    </Route>
    <Route path="/*" component={NotFoundPage}/>
</Route>
</Router>

定义路由,根据url匹配相应的组件

2、src/routers/HomePage/HomePage.js

render() {
    const {children} = this.props;
    return (
        <div className={styles.homePage}>
            <TabBarNav tabBarChildren={children}/>
        </div>
    );
}

将路由组件通过homePage传入TabBarNav组件中

3、src/components/Common/TabBarNav/TabBarNav.js

<TabBar
    unselectedTintColor="#949494"
    tintColor="#33A3F4"
    barTintColor="white"
    hidden={this.state.hidden}
>
    <TabBarItem
        title={formatMessage(messages.customer)}
        key='customer'
        icon={<Icon type={shoppingCart} size="md" />}
        selectedIcon={<Icon type={shoppingCart} color={selectIconColor} size="md" />}
        selected={this.state.selectedTab === 'blueTab'}
        onPress={() => {
            this.setState({
                selectedTab: 'blueTab',
            });
            dispatch(routerRedux.push('/customer/customer'));
        }}
        data-seed="logId"
    >
        {tabBarChildren.props.params.type=='customer' ? tabBarChildren:null}
    </TabBarItem>
    <TabBarItem
        icon={<Icon type={dollar} size="md" />}
        selectedIcon={<Icon type={dollar} color={selectIconColor} size="md" />}
        title={formatMessage(messages.agent)}
        key="agent"
        selected={this.state.selectedTab === 'redTab'}
        onPress={() => {
            this.setState({
                selectedTab: 'redTab',
            });
            dispatch(routerRedux.push('/agent/agent'));
        }}
        data-seed="logId1"
    >
        {tabBarChildren.props.params.type=='agent' ? tabBarChildren:null}
    </TabBarItem>
    <TabBarItem
        icon={<Icon type={home} size="md"/>}
        selectedIcon={<Icon type={home} color={selectIconColor} size="md"/>}
        title={formatMessage(messages.store)}
        key='store'
        selected={this.state.selectedTab === 'greenTab'}
        onPress={() => {
            this.setState({
                selectedTab: 'greenTab',
            });
            dispatch(routerRedux.push('/store/store'));
        }}
    >
        {tabBarChildren.props.params.type=='store' ? tabBarChildren:null}
    </TabBarItem>
    <TabBarItem
        icon={<Icon type={user} size="md"/>}
        selectedIcon={<Icon type={user} color={selectIconColor} size="md"/>}
        title={formatMessage(messages.me)}
        key='me'
        selected={this.state.selectedTab === 'yellowTab'}
        onPress={() => {
            this.setState({
                selectedTab: 'yellowTab',
            });
            dispatch(routerRedux.push('/user/user'));
        }}
    >
        {tabBarChildren.props.params.type=='user' ? tabBarChildren:null}
    </TabBarItem>
</TabBar>

根据传入组件的props.params.type判断是否渲染tab页内容。

简单3步,大功告成,这样既可实现通过react-router-redux控制路由跳转,进一步控制相应的组件渲染,详细代码可以查看相应的文件。

番外篇:

下面解释下,在router.js中为什么使用<Route path='/customer/:type' component={Customer}/> type 参数?
TabBar标准使用姿势是:

<TabBar>
  <TabBar.Item><Component1 /></TabBar.Item>
  <TabBar.Item><Component2 /></TabBar.Item>
</TabBar>

这样在切换不同tab项的时候,其他的组件也会渲染,只是给隐藏了起来,就像这样:

为了避免切换时其他tab页的组件渲染,所以在路由中引入了type参数,通过传入的type参数控制不同tab页内容的渲染。

觉得有帮助就来个Star :)

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