【css酷炫效果】纯CSS实现进度条加载动画

缘
创作背景
html结构
css样式
完整代码
- 基础版
- 进阶版
效果图

通过CSS渐变与背景位移动画，无需JavaScript即可创建流体动态进度条。
想直接拿走的老板，链接放在这里：https://download.csdn.net/download/u011561335/90490485

缘

创作随缘，不定时更新。

创作背景

刚看到csdn出活动了，赶时间，直接上代码。

html结构

<div class="progress-bar"><div class="progress"></div>
</div>

css样式

.progress-bar {width: 300px;height: 20px;background: #eee;border-radius: 10px;overflow: hidden;
}.progress {width: 100%;height: 100%;background: linear-gradient(90deg, #3498db 25%, #9b59b6 50%, #e74c3c 75%);background-size: 200% 100%;animation: flow 2s linear infinite;transform-origin: left;/* transform: scaleX(0.7); 设置当前进度70% */
}@keyframes flow {0% { background-position: 100% 0; }100% { background-position: 0% 0; }
}

完整代码

基础版

<!DOCTYPE html>
<html>
<head>
<style>
.progress-bar {width: 300px;height: 20px;background: #eee;border-radius: 10px;overflow: hidden;
}.progress {width: 100%;height: 100%;background: linear-gradient(90deg, #3498db 25%, #9b59b6 50%, #e74c3c 75%);background-size: 200% 400%;animation: flow 2s linear infinite;transform-origin: left;
}@keyframes flow {0% { background-position: 100% 0; }100% { background-position: 0% 0; }
}
</style>
</head>
<body><div style='text-align:center;margin-top:50px;'><div class="progress-bar"><div class="progress"></div></div></div></body>
</html>

进阶版

<!DOCTYPE html>
<html>
<head>
<style>
.progress-bar {width: 300px;height: 20px;background: #eee;border-radius: 10px;overflow: hidden;
}.progress {width: 100%;height: 100%;background: linear-gradient(90deg, #3498db 25%, #9b59b6 50%, #e74c3c 75%);background-size: 200% 400%;animation: flow 2s linear infinite;transform-origin: left;background: repeating-linear-gradient(-45deg,#3498db,#3498db 10px,#2980b9 10px,#2980b9 20px);background-size: 200% 100%;box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);border-right: 3px solid rgba(255,255,255,0.3);transition: transform 0.3s ease-out;
}@keyframes flow {0% { background-position: 100% 0; }100% { background-position: 0% 0; }
}
</style>
</head>
<body><div style='text-align:center;margin-top:50px;'><div class="progress-bar"><div class="progress"></div></div></div></body>
</html>