例
创建Content

import React, { Component } from 'react';

class Content extends Component {

    constructor(props) {
        super(props);
    }

    render(){
        return {this.props.selectName}content
    }
}

export default Content;

创建comment

import React, { Component } from 'react';
import Content from './Content';

class Comment extends Component {

    constructor(props) {
        super(props);
        this.state = {names: ["张小张","3333","2332"]
        ,selectName: '找小夏'};
        this.handleSelect = this.handleSelect.bind(this)

    }

    handleSelect(event){
        this.setState({selectName:event.target.value,
        });
    }
    render(){
        var options = [];
        for(var option in this.state.names){
            console.log(this.state.names[option]);
            options.push()
        }
        console.log(options.toString())
        return 
            

    }
}

export default Comment;

ITPub博客

react js学习手记：状态与属性实战

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