react怎么实现点击隐藏显示

<script type="text/babel">
class App extends React.Component {
    state={
        isshow:false,
    }
    check=()=>{
        this.setState({
            isShow:!this.state.isShow
        })
    }
  render() {
    return (
      <div>
        {}
        <button style={{display:this.state.isShow?'block':'none'}}>张云龙</button>
        <button style={{display:this.state.isShow?'none':'block'}}>秦霄贤</button>
        <button onClick={this.check}>点击切换</button>
      </div>
    )
  }
}
ReactDOM.render(<App/>,document.getElementById('root'))

<script type="text/babel">
class App extends React.Component {
    state={
        isShow:false,
    }
    check=()=>{
        this.setState({
            isShow:!this.state.isShow
        })
    }
  render() {
    return (
      <div>

        {}
            {
            this.state.isShow?(<div>秦霄贤</div>):(<div>张云龙</div>)
            }
        <button onClick={this.check}>点击切换</button>
      </div>
    )
  }
}
ReactDOM.render(<App/>,document.getElementById('root'))

<script type="text/babel">
class App extends React.Component {
    state={
        isShow:false,
    }
    check=()=>{
        this.setState({
            isShow:!this.state.isShow
        })
    }
  render() {
    return (
      <div>
        {}
          {
            this.state.isShow && <div>秦霄贤</div>
        }
        {
            !this.state.isShow && <div>张云龙</div>
        }
        <button onClick={this.check}>点击切换</button>
      </div>
    )
  }
}
ReactDOM.render(<App/>,document.getElementById('root'))

<script type="text/babel">
class App extends React.Component {
    state={
        isShow:false,
        love:'秦霄贤'
    }
    check=()=>{
        this.setState({
            isShow:!this.state.isShow
        })
    }

    loves=(key)=>{
        switch(key){
            case '秦霄贤':
                return <div>秦霄贤</div>
            case '张云龙':
                return <div>张云龙</div>
        }   
    }

  render() {
    let ok=this.loves(this.state.love)
    return (
      <div>
        {}
        {ok}
        <button onClick={this.check}>点击切换</button>
      </div>
    )
  }
}
ReactDOM.render(<App/>,document.getElementById('root'))