我有三个具有相同功能的按钮,根据单击的按钮显示一个或多个内容。这部分工作正常,但我需要在单击按钮时添加“活动”类。活动班级必须具有切换效果,并且在按下另一个按钮并放在其上时会从按下的按钮中消失。
编辑:现在,当我单击任何按钮时,它将全部添加为“活动”类。我需要您仅在已单击的元素中添加“活动”类,而不要在其他元素中添加
这是我的代码:
class Widgets extends Component {
constructor(props) {
super(props);
this.state = {
componente: [],
addActive: '',
};
}
mostrarComponente(componentName) {
this.setState({
componente: componentName,
addActive: componentName,
}
, () => {
let a = "";
for (var i in this.state.componente){
a = this.state.componente[i] + " "
}
console.log("Clicked: ", a)
}
);
}
renderComponent(){
switch(this.state.componente) {
case "1":
return <Telefono />
case "2":
return <ChatInterno />
case "3":
return <HistorialLlamadas />
default:
return <Telefono />
}
}
render(){
return (
***some code***
<div id="bq-comunicacion">
<nav>
<ul>
<li><button onClick={() => this.mostrarComponente('1')} id="mn-telefono" className={this.state.addActive ? 'active' : ''}><Icon icon="telefono" className='ico-telefono'/></button></li>
<li><button onClick={() => this.mostrarComponente('2')} id="mn-chat" className={this.state.addActive ? 'active' : ''}><Icon icon="chat-interno" className='ico-chat-interno'/></button></li>
<li><button onClick={() => this.mostrarComponente('3')} id="mn-llamadas" className={this.state.addActive ? 'active' : ''}><Icon icon="historial-llamadas" className='ico-historial-llamadas'/></button></li>
</ul>
</nav>
<div className="content">
{ this.renderComponent() }
</div>
</div>
);
}
}
你能帮我吗?我认为onClick = {() => this.showComponent ('1')}
中缺少某些内容,但是我不明白什么。
答案 0 :(得分:2)
我不明白您为什么需要this.state.componente
和this.state.componente[]
和addActive
您可以简单地将活动组件名称存储在this.state.componente
中,并执行className={this.state.componente == "1" ? 'active' : ''
class Widgets extends Component {
constructor(props) {
super(props);
this.state = {
componente: '1',
};
}
mostrarComponente(componentName) {
this.setState({
componente: componentName,
addActive: componentName,
}
, () => {
console.log("Clicked: ", this.state.componente)
}
);
}
renderComponent(){
switch(this.state.componente) {
case "1":
return <Telefono />
case "2":
return <ChatInterno />
case "3":
return <HistorialLlamadas />
default:
return <Telefono />
}
}
render(){
return (
***some code***
<div id="bq-comunicacion">
<nav>
<ul>
<li><button onClick={() => this.mostrarComponente('1')} id="mn-telefono" className={this.state.componente == "1" ? 'active' : ''}><Icon icon="telefono" className='ico-telefono'/></button></li>
<li><button onClick={() => this.mostrarComponente('2')} id="mn-chat" className={this.state.componente == "2" ? 'active' : ''}><Icon icon="chat-interno" className='ico-chat-interno'/></button></li>
<li><button onClick={() => this.mostrarComponente('3')} id="mn-llamadas" className={this.state.componente == "3" ? 'active' : ''}><Icon icon="historial-llamadas" className='ico-historial-llamadas'/></button></li>
</ul>
</nav>
<div className="content">
{ this.renderComponent() }
</div>
</div>
);
}
}