如何用React加CSS3实现微信拆红包动画效果
本篇内容介绍了“如何用React加CSS3实现微信拆红包动画效果”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
用CSS3绘制红包
.redpack {
height: 450px;
background: #A5423A;
width: 300px;
left: 0;
top: 0;
border-radius: 10px;
margin: 0 auto;
}
.topcontent {
height: 300px;
border: 1px solid #BD503A;
background-color: #BD503A;
border-radius: 10px 10px 50% 50% / 10px 10px 15% 15%;
box-shadow: 0px 4px 0px -1px rgba(0,0,0,0.2);
}
#redpack-open {
width: 100px;
height: 100px;
border: 1px solid #FFA73A;
background-color: #FFA73A;
border-radius: 50%;
color: #fff;
font-size: 20px;
display: inline-block;
margin-top: -50px;
box-shadow: 0px 4px 0px 0px rgba(0, 0, 0, 0.2);
}<div class='redpack'> <!-- 红包的顶部盖子 --> <div class="topcontent"></div> <!-- 拆红包的按钮 --> <div id="redpack-open"></div> </div>
效果如图：
用React来区分不同的状态的转换
用React.js来实现的话，主要通过判断state来控制红包现在是等待拆开还是已经拆开过，具体的代码如下
import React from 'react';
class ReadPacket extends React.Component {
constructor(props) {
super(props);
this.state = {
animation: false,
status: 0 // 0: 等待拆开 1: 拆开后
};
}
render() {
var bonus = this.props.thanks ? 0 : parseFloat(this.props.surveyInfo.bonus);
if(this.state.status == 0) {
return (
<div className='redpack-container' id='redpack-container'>
<div className='redpack'>
<div className='topcontent'>
<div id='redpack-opened'>
<div className='redpack-avatar'>
<img src='http://placehold.it/80x80' alt='头像' width='80' height='80'/>
</div>
</div>
<h3 style={{marginTop: 80, color: 'white'}}>奖励</h3>
<span className='redpack-text'>点击下方按钮领取红包</span>
<div className='redpack-description white-text'>恭喜发财 大吉大利</div>
</div>
<div id='redpack-open' className={this.state.animation ? 'rotate' : ''}
onClick={this.openRedPacket.bind(this)}
>
<span>拆红包</span>
</div>
</div>
</div>
);
} else if (bonus == 0) {
// 谢谢参与
return (
<div className='redpack-container' id='redpack-container'>
<div className='redpack'>
<div className='topcontent-open'>
<div className='redpack-avatar'>
<span id='close'></span>
</div>
<h2 style={{marginTop: 180, color: 'white'}}> 谢谢参与 </h2>
<span className='redpack-text'>多多参与的奖励的机会更多哦</span>
<br/>
<a onClick={this._toWallet.bind(this)}
style={{cursor:'pointer',textDecoration: 'underline', color: 'white'}}>
去我的账户查看
</a>
</div>
<div id='redpack-opened'>
<div className='redpack-avatar'>
<img src='http://placehold.it/80x80' alt='头像' width='80' height='80'/>
</div>
</div>
</div>
</div>
);
} else {
// 显示奖励金额
return (
<div className='redpack-container' id='redpack-container'>
<div className='redpack'>
<div className='topcontent-open'>
<div className='redpack-avatar'>
<span id='close'></span>
</div>
<h2 className='white-text' style={{marginTop: 180}}> {bonus.toFixed(2)} </h2>
<span className='redpack-text'>奖励积分已经存入您的账户</span>
<a className='btn-flat white-text' onClick={this._toWallet.bind(this)}
style={{textDecoration: 'underline'}}>
去我的账户查看积分
</a>
</div>
<div id='redpack-opened'>
<div className='redpack-avatar'>
<img src='http://placehold.it/80x80' alt='头像' width='80' height='80'/>
</div>
</div>
</div>
</div>
);
}
}
stopAnimation() {
this.setState({animation: false});
}
showResult() {
this.setState({status: 1});
}
openRedPacket() {
this.setState({animation: true});
setTimeout(this.stopAnimation.bind(this), 3000);
setTimeout(this.showResult.bind(this), 4000);
}
_toWallet() {
// 跳转到钱包
window.location.hash = '/wallet';
}
}
export default ReadPacket;“如何用React加CSS3实现微信拆红包动画效果”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识可以关注蜗牛博客网站，小编将为大家输出更多高质量的实用文章！
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