第一步:组件划分
组件树表示:
第二步 组件实现
1.从组件的顶层开始,在一步步往下构建组件树。
import React from 'react';
import CommentInput from './commentInput';
import CommentList from './commentList';
import './index.css'
class CommentApp extends React.Component{
render(){
return (
<div className='wrapper'>
<CommentInput />
<CommentList />
</div>
)
}
}
export default CommentApp;
import React from 'react';
class CommentInput extends React.Component{
render(){
return (
<div>
1111
</div>
)
}
}
export default CommentInput;
import React from 'react';
class CommentList extends React.Component{
render(){
return (
<div>
33333
</div>
)
}
}
export default CommentList;
基本框架搭好,
css样式:index.css.