如何使用css实现一个加载动画

试图让你心动2024-03-02 19:00

如何使用css实现一个加载动画有四个点初始化为同一个颜色每个阶段不同的透明度刷新也不会影响初始化

javascript 复制代码

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
<div class="loading-container">
  <div class="loading-dot dot1"></div>
  <div class="loading-dot dot2"></div>
  <div class="loading-dot dot3"></div>
  <div class="loading-dot dot4"></div>
</div>
</body>
<style>

    /*加载动画开始*/
    .loading-container {
        padding: 5px 0;
        position: relative;
    }

    .loading-dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        margin: 0 3px;
        background: #327eff;
        animation: loading 3s  infinite;
        float: left;
    }

    .dot1 {
        animation-delay: -1.5s;
    }

    .dot2 {
        animation-delay: -1s;
    }

    .dot3 {
        animation-delay: -0.5s;
    }

    .dot4 {
        animation-delay: 0s;
    }

    @keyframes loading {
        0% {
            opacity: 0.25;
        }
        50% {
            opacity:1;
        }

        100% {
            opacity: 0.25;
        }
    }
    /*加载动画结束*/
</style>
</html>