各位大神好：

我想用reactjs实现一个效果，在多个按钮中，每次点击其中任意一个按钮，只会改变其背景色。（效果图已上传，请参考

class Quesitons2 extends React.Component{
    state = {
        currentQuestion: {},
        active: false
    }

    selectQuesion = (question) => {
        this.setState({
            currentQuestion: question,
            active: true
        })
    }

    render(){
        const _class = {
            true: 'question active',
            false: 'question'
        }

        return(
            <div className="questions">
                <div className="columns is-multiline is-desktop ">
                    <div className="panel-container">
                        <Panel currentQuestion={this.state.currentQuestion}/>
                    </div>

                    {questions.map( q => {
                        return(
                            <button
                                className = {_class[this.state.active]}

                                key={q.id}
                                onClick={() => this.selectQuesion(q)}
                            >
                                {q.name}
                            </button>
                        )
                    })}
                </div>
            </div>
        )
    }
}

）

namedajipai

能不能在listview中监听插入删除的事件？

2条回答

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