Javascript 带按钮的显示/隐藏div
我有: 主屏幕:Javascript 带按钮的显示/隐藏div,javascript,reactjs,ecmascript-6,Javascript,Reactjs,Ecmascript 6,我有: 主屏幕: import React from 'react'; import LeftNavigation from './LeftNavigation'; import DocumentTitle from 'react-document-title'; export default class MainScreen extends React.Component { render() { return ( <div class
import React from 'react';
import LeftNavigation from './LeftNavigation';
import DocumentTitle from 'react-document-title';
export default class MainScreen extends React.Component {
render() {
return (
<div className="MainScreen">
<DocumentTitle title='Main Screen'>
<LeftNavigation />
<RightPanel />
</DocumentTitle>
</div>
)
}
}
从“React”导入React;
从“./LeftNavigation”导入LeftNavigation;
从“react document title”导入DocumentTitle;
导出默认类主屏幕扩展React.Component{
render(){
返回(
)
}
}
左导航:
import React from 'react';
import Tab from './Tab';
export default class LeftNavigation extends React.Component {
static contextTypes = {
getStore: React.PropTypes.func.isRequired
};
componentWillMount() {
this.setState({
active_tab: 'basics'
})
}
onClick(e) {
this.setState({
active_tab: e
})
}
render() {
return (
<div>
<div className="tab-container">
<Tab onClick={this.onClick.bind(this, 'basics')} name="Basics" icon="basics.png" active={this.state.active_tab == 'basics'}/>
<Tab onClick={this.onClick.bind(this, 'rooms')} name="Rooms" icon="room.png" active={this.state.active_tab == 'rooms'}/>
<Tab onClick={this.onClick.bind(this, 'documents')} name="Documents" icon="documents.png" active={this.state.active_tab == 'documents'}/>
<Tab onClick={this.onClick.bind(this, 'images')} name="Images" icon="images.png" active={this.state.active_tab == 'images'}/>
<Tab onClick={this.onClick.bind(this, 'restrictions')} name="Restrictions" icon="restrictions.png" active={this.state.active_tab == 'restrictions'}/>
<Tab onClick={this.onClick.bind(this, '3d')} name="3D" icon="house.png" active={this.state.active_tab == '3d'}/>
<Tab onClick={this.onClick.bind(this, 'video')} name="Video" icon="video.png" active={this.state.active_tab == 'video'}/>
</div>
</div>
)
}
}
从“React”导入React;
从“./Tab”导入选项卡;
导出默认类LeftNavigation扩展React.Component{
静态上下文类型={
getStore:React.PropTypes.func.isRequired
};
组件willmount(){
这是我的国家({
活动_选项卡:“基础”
})
}
onClick(e){
这是我的国家({
活动选项卡:e
})
}
render(){
返回(
)
}
}
我希望这些按钮控制RightPanel中divs容器的可见性。如何将活动选项卡状态传递回LeftNavigation,然后再传递到RightPanel
对答案进行了一些调整,使其发挥了作用:
import React from 'react';
import Tab from './Tab';
export default class LeftNavigation extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div>
<div className="tab-container">
<Tab onClick={this.props.onTabSelected.bind(null, 'basics')} name="Basics" icon="basics.png" active={this.props.activeTab == 'basics'}/>
<Tab onClick={this.props.onTabSelected.bind(null, 'rooms')} name="Rooms" icon="room.png" active={this.props.activeTab == 'rooms'}/>
<Tab onClick={this.props.onTabSelected.bind(null, 'documents')} name="Documents" icon="documents.png" active={this.props.activeTab == 'documents'}/>
<Tab onClick={this.props.onTabSelected.bind(null, 'images')} name="Images" icon="images.png" active={this.props.activeTab == 'images'}/>
<Tab onClick={this.props.onTabSelected.bind(null, 'restrictions')} name="Restrictions" icon="restrictions.png" active={this.props.activeTab == 'restrictions'}/>
<Tab onClick={this.props.onTabSelected.bind(null, '3d')} name="3D" icon="house.png" active={this.props.activeTab == '3d'}/>
<Tab onClick={this.props.onTabSelected.bind(null, 'video')} name="Video" icon="video.png" active={this.props.activeTab == 'video'}/>
</div>
</div>
)
}
}
import React from 'react';
import LeftNavigation from './LeftNavigation';
import DocumentTitle from 'react-document-title';
export default class MainScreen extends React.Component {
componentWillMount() {
this.setState({
activeTab: 'basics'
})
}
handleTab(tab) {
this.setState({
activeTab: tab
})
}
render() {
return (
<div className="MainScreen">
<DocumentTitle title='Main Screen'>
<LeftNavigation onTabSelected={this.handleTab.bind(this)} activeTab={this.state.activeTab}/>
</DocumentTitle>
</div>
)
}
}
从“React”导入React;
从“./Tab”导入选项卡;
导出默认类LeftNavigation扩展React.Component{
建造师(道具){
超级(道具);
}
render(){
返回(
)
}
}
从“React”导入React;
从“./LeftNavigation”导入LeftNavigation;
从“react document title”导入DocumentTitle;
导出默认类主屏幕扩展React.Component{
组件willmount(){
这是我的国家({
activeTab:“基础”
})
}
扶手选项卡(选项卡){
这是我的国家({
活动选项卡:选项卡
})
}
render(){
返回(
)
}
}
通常,当你遇到这种情况时,你需要将你的状态提升一两级。在组件树中保持状态尽可能高是一个好的实践
在这种情况下,MainScreen
负责管理活动选项卡状态并将其传递给其子组件
LeftNavigation
可以通过调用从main屏幕传递给它的道具来影响活动选项卡状态
export default class MainScreen extends React.Component {
componentWillMount() {
this.setState({
active_tab: 'basics'
})
}
handleTab(tab) {
this.setState({
active_tab: tab
})
}
render() {
return (
<div className="MainScreen">
<DocumentTitle title='Main Screen'>
<LeftNavigation onTabSelected={this.handleTab.bind(this)} activeTab={this.state.activeTab} />
<RightPanel activeTab={this.state.activeTab} />
</DocumentTitle>
</div>
)
}
}
export default class LeftNavigation extends React.Component {
static propTypes = {
activeTab: PropTypes.string.isRequired,
handleTab: PropTypes.func.isRequired
}
render() {
return (
<div>
<div className="tab-container">
<Tab onClick={this.handleTab.bind(null, 'basics')} name="Basics" icon="basics.png" active={this.props.active_tab == 'basics'}/>
<Tab onClick={this.handleTab.bind(null, 'rooms')} name="Rooms" icon="room.png" active={this.props.active_tab == 'rooms'}/>
<Tab onClick={this.handleTab.bind(null, 'documents')} name="Documents" icon="documents.png" active={this.props.active_tab == 'documents'}/>
<Tab onClick={this.handleTab.bind(null, 'images')} name="Images" icon="images.png" active={this.props.active_tab == 'images'}/>
<Tab onClick={this.handleTab.bind(null, 'restrictions')} name="Restrictions" icon="restrictions.png" active={this.props.active_tab == 'restrictions'}/>
<Tab onClick={this.handleTab.bind(null, '3d')} name="3D" icon="house.png" active={this.props.active_tab == '3d'}/>
<Tab onClick={this.handleTab.bind(null, 'video')} name="Video" icon="video.png" active={this.props.active_tab == 'video'}/>
</div>
</div>
)
}
}
导出默认类主屏幕扩展React.Component{
组件willmount(){
这是我的国家({
活动_选项卡:“基础”
})
}
扶手选项卡(选项卡){
这是我的国家({
活动选项卡:选项卡
})
}
render(){
返回(
)
}
}
导出默认类LeftNavigation扩展React.Component{
静态类型={
activeTab:PropTypes.string.isRequired,
handleTab:PropTypes.func.isRequired
}
render(){
返回(
)
}
}
通常,当你遇到这种情况时,你需要将你的状态提升一两级。在组件树中保持状态尽可能高是一个好的实践
在这种情况下,MainScreen
负责管理活动选项卡状态并将其传递给其子组件
LeftNavigation
可以通过调用从main屏幕传递给它的道具来影响活动选项卡状态
export default class MainScreen extends React.Component {
componentWillMount() {
this.setState({
active_tab: 'basics'
})
}
handleTab(tab) {
this.setState({
active_tab: tab
})
}
render() {
return (
<div className="MainScreen">
<DocumentTitle title='Main Screen'>
<LeftNavigation onTabSelected={this.handleTab.bind(this)} activeTab={this.state.activeTab} />
<RightPanel activeTab={this.state.activeTab} />
</DocumentTitle>
</div>
)
}
}
export default class LeftNavigation extends React.Component {
static propTypes = {
activeTab: PropTypes.string.isRequired,
handleTab: PropTypes.func.isRequired
}
render() {
return (
<div>
<div className="tab-container">
<Tab onClick={this.handleTab.bind(null, 'basics')} name="Basics" icon="basics.png" active={this.props.active_tab == 'basics'}/>
<Tab onClick={this.handleTab.bind(null, 'rooms')} name="Rooms" icon="room.png" active={this.props.active_tab == 'rooms'}/>
<Tab onClick={this.handleTab.bind(null, 'documents')} name="Documents" icon="documents.png" active={this.props.active_tab == 'documents'}/>
<Tab onClick={this.handleTab.bind(null, 'images')} name="Images" icon="images.png" active={this.props.active_tab == 'images'}/>
<Tab onClick={this.handleTab.bind(null, 'restrictions')} name="Restrictions" icon="restrictions.png" active={this.props.active_tab == 'restrictions'}/>
<Tab onClick={this.handleTab.bind(null, '3d')} name="3D" icon="house.png" active={this.props.active_tab == '3d'}/>
<Tab onClick={this.handleTab.bind(null, 'video')} name="Video" icon="video.png" active={this.props.active_tab == 'video'}/>
</div>
</div>
)
}
}
导出默认类主屏幕扩展React.Component{
组件willmount(){
这是我的国家({
活动_选项卡:“基础”
})
}
扶手选项卡(选项卡){
这是我的国家({
活动选项卡:选项卡
})
}
render(){
返回(
)
}
}
导出默认类LeftNavigation扩展React.Component{
静态类型={
activeTab:PropTypes.string.isRequired,
handleTab:PropTypes.func.isRequired
}
render(){
返回(
)
}
}
我得到了“未定义PropTypes”我得到了一些更改,谢谢你的帮助。我得到了“未定义PropTypes”我得到了一些更改,谢谢你的帮助。