动画上传按钮

发布时间：2024年01月21日
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft Yahei", sans-serif;
        }
        
        main {
            display: flex;
            align-items: center;
            justify-content: center;
            background: #222f3e;
            height: 100vh;
        }
        
        .upload-button {
            width: 180px;
            height: 60px;
            background-image: linear-gradient(160deg, #0093e9, #80d0c7);
            border-radius: 8px;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0, 147, 233, 0.28);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .upload-button .checkmark {
            opacity: 0;
        }
        
        .upload-button .progress-bar {
            position: absolute;
            /* width: 50%; */
            height: 2px;
            background-image: linear-gradient(45deg, #85ffbd, #fffb7d);
            bottom: 0;
            left: 0;
            border-radius: 4px;
        }
        
        .upload-button.uploading .middle-line {
            stroke-dasharray: 4 3;
            animation: 0.8s linear dashLoop infinite;
        }
        
        .upload-button.uploading circle {
            animation: 1.5s linear blink infinite;
        }
        
        .upload-button.uploaded .arrow-top {
            animation: 1s linear arrowTransform forwards;
        }
        
        .upload-button.uploaded .checkmark {
            opacity: 1;
            stroke-dashoffset: 100;
            stroke-dasharray: 100 100;
            animation: 1s linear checkMarkTransform forwards 0.5s;
        }
        
        .upload-button.uploaded .middle-line {
            transition: 0.3s linear;
            opacity: 0;
        }
        
        @keyframes dashLoop {
            from {
                stroke-dasharray: 0;
            }
            to {
                stroke-dasharray: 7;
            }
        }
        
        @keyframes blink {
            from {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
            to {
                opacity: 1;
            }
        }
        
        @keyframes arrowTransform {
            from {
                stroke-dasharray: 100 100;
                stroke-dashoffset: 0;
            }
            to {
                stroke-dasharray: 100 100;
                stroke-dashoffset: -100;
            }
        }
        
        @keyframes checkMarkTransform {
            from {
                stroke-dasharray: 100 100;
                stroke-dashoffset: 100;
            }
            to {
                stroke-dasharray: 100 100;
                stroke-dashoffset: 0;
            }
        }
    </style>
</head>

<body>
    <main>
        <div class="upload-button  ">
            <svg class="arrow" width="40" height="40" viewBox="0 0 40 40">
             <circle cx="50%" cy="50%" r="19"  fill="none" stroke="#fff" stroke-width="2" ></circle>
             <polyline points="6,20 20,6 34,20" fill="none" stroke="#fff" stroke-width="2" class="arrow-top"></polyline>
             <line  x1="50%" y1="7" x2="50%" y2="34" stroke="#fff" stroke-width="2" class="middle-line"></line>
             <polyline points="8,20 18,30 30 12" stroke="#fff" stroke-width="2" fill="none" class="checkmark"></polyline>
        </svg>
            <div class="progress-bar">

            </div>
        </div>
    </main>
    <script>
        var uploadButton = document.querySelector(".upload-button");
        var progressBar = document.querySelector(".upload-button .progress-bar");

        let width = uploadButton.getBoundingClientRect().width;
        let uploadTime = 5000;

        uploadButton.addEventListener("click", () => {
            uploadButton.classList.remove("uploaded");
            uploadButton.classList.add("uploading");

            setTimeout(() => {
                uploadButton.classList.replace("uploading", "uploaded")
            }, uploadTime);

            function grow(timestamp) {
                if (!start) start = timestamp;
                let progress = timestamp - start;
                progressBar.style.width = `${Math.min(width * (progress /uploadTime),width)}px`;
                if (progress < uploadTime) {
                    window.requestAnimationFrame(grow)
                }
            }
            window.requestAnimationFrame(grow)
        })
    </script>
</body>

</html>

效果图：
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文章来源:https://blog.csdn.net/weixin_45932157/article/details/135733114
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