如何在React中更改CSS根变量? [英] How to change CSS root variable in React?
本文介绍了如何在React中更改CSS根变量?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
是否可以在ReactJS中更改CSS :root
变量?寻找解决方案来改变 - 基础
颜色代码基于从 .change-me
输入颜色中选择的用户
Is it possible to change CSS :root
variable in ReactJS ? looking for solution to change --base
color code based on what user selected from .change-me
input color
演示: https://codepen.io/anon / pen / RgXBEK
CSS
:root {
--base: $primary;
}
反应
changeTheme(e){
console.log(e.target.value);
}
class App extends React.Component {
render() {
return (
<div className="row">
<div className="col-xs-12 text-center">
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Aliquam voluptates ut eaque, voluptatum veniam nostrum sequi numquam sint, excepturi amet unde quis, ipsum ducimus reprehenderit eligendi pariatur animi esse sed.</p>
<input
className=""
type="color"
onChange={this.changeTheme.bind(this)}
/>
<br/><br/>
</div>
</div>
);
}
}
ReactDOM.render(<App />, window.document.getElementById('myDiv'));
推荐答案
终于找到解决方案
constructor(props){
super(props);
this.state = {color: '#3C454B'};
}
changeTheme(e){
this.setState({color: event.target.value});
document.documentElement.style.setProperty('--base',this.state.color);
}
class App extends React.Component {
render() {
return (
<div className="row">
<div className="col-xs-12 text-center">
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Aliquam voluptates ut eaque, voluptatum veniam nostrum sequi numquam sint, excepturi amet unde quis, ipsum ducimus reprehenderit eligendi pariatur animi esse sed.</p>
<input
className=""
type="color"
defaultValue={this.state.color}
onChange={(e) => this.handleColor(e)}
/>
<br/><br/>
</div>
</div>
);
}
}
ReactDOM.render(<App />, window.document.getElementById('myDiv'));
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