javascript实现时钟动画

时间：2021-05-26

本文实例为大家分享了javascript实现时钟动画的具体代码，供大家参考，具体内容如下

<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title>时针转动</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> * { margin: 0; padding: 0; } body, html { height: 100%; width: 100% } .t1 { width: 100%; height: 100%; background-image: radial-gradient(ellipse at 50% 70%, hsla(240, 1%, 90%, 1), hsla(225, 8%, 28%, 1)); } .t2 { position: relative; width: 100%; height: 100%; background-image: radial-gradient(farthest-side ellipse at 50% 70%, hsla(210, 1%, 78%, 0.73) 100px, rgba(150, 150, 150, 0.7) 400px, hsla(225, 4%, 18%, 0.8) 100%); z-index: -3; } .t3 { position: absolute; left: 50%; margin-left: -175px; top: 30%; height: 350px; width: 350px; border-radius: 60px; background: #fff; background-image: linear-gradient(#ffffff 40px, #ddecf2 210px, #d3e3e9); } .t3:before { content: ""; position: absolute; box-shadow: 0px -4px 3px 3px #b8bdca inset; border-radius: 60px; opacity: 0.6; height: 100%; width: 100%; -webkit-filter: blur(1px); z-index: 2; } .t3:after { content: ""; height: 17px; width: 300px; position: absolute; top: 97%; margin-left: 25px; background: #2a2a2b; -webkit-filter: blur(7px); z-index: -1; } .t4 { position: relative; margin: 71px; width: 210px; height: 210px; border-radius: 50%; background-image: linear-gradient(#f9fdff, #d9eaf8); box-shadow: 0px 0px 28px -8px #eaf7fb; z-index: 11; font-size: 20px; ; color: #8da6b8; font-family: Arial; } .t4 i { font-style: normal } .hour { position: absolute; } .hour3 { right: 30px; top: 50%; margin-top: -7px; } .hour6 { left: 50%; bottom: 27px; margin-left: -5px; } .hour9 { left: 30px; top: 50%; margin-top: -7px; } .hour12 { left: 50%; top: 30px; margin-left: -10px; } .t4:before { content: ""; position: absolute; width: 210px; height: 210px; border-radius: 50%; box-shadow: 0px 15px 24px -5px #7a8fae; z-index: 10; } .t4:after { content: ""; left: 0px; top: 0px; position: absolute; width: 210px; height: 210px; border-radius: 50%; box-shadow: 0px 4px 4px -1px #7a8fae; z-index: 9; } #miao, #fen, #shi { position: absolute; left: 50%; height: 210px; width: 10px; margin-left: -5px; } #miao { z-index: 23; } #fen { z-index: 22; } #shi { z-index: 21; } #shi:after { content: ""; height: 60px; width: 6px; position: absolute; top: 60px; left: 2px; background: #1aa9d8; border-radius: 8px 8px 8px 8px; z-index: -1; } #fen:after { content: ""; height: 65px; width: 4px; position: absolute; top: 60px; left: 3px; background: #23bcef; border-radius: 8px 8px 8px 8px; z-index: -1; } #miao:after { content: ""; height: 80px; width: 1px; position: absolute; top: 48px; left: 4px; background: #0dc1fd; z-index: -1; } #point { position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; margin-left: -8px; margin-top: -8px; z-index: 999; border-radius: 50%; box-shadow: 0px 3px 8px -1px #0f4873; } #point:before, #point:after { content: ""; height: 10px; width: 10px; position: absolute; top: 0%; background: #8ba3b6; border-radius: 50%; z-index: 1; } #point:before { width: 16px; height: 16px; } #point:after { background: #cee3ec; left: 3px; top: 3px; } </style></head><body> <div class="t2"> <!-- 时钟的盒子 --> <div class="t3"> <!-- 时钟区域 --> <div class="t4"> <!-- 数值 --> <i class="hour hour3">3</i> <i class="hour hour6">6</i> <i class="hour hour9">9</i> <i class="hour hour12">12</i> <!-- 时分秒的转轴 --> <div id="miao"></div> <div id="fen"></div> <div id="shi"></div> <!-- 小圆点 --> <div id="point"></div> </div> </div> </div> <script type="text/javascript"> // 获取元素 var shi = document.querySelector('#shi'); var fen = document.querySelector('#fen'); var miao = document.querySelector('#miao'); setInterval(function() { var nowDate = new Date(); // 获取时分秒 var hour = nowDate.getHours(); var minute = nowDate.getMinutes(); var second = nowDate.getSeconds(); var houerTw = hour % 12 * 30; var minuteTW = minute * 6; var secondTW = second * 6; console.log(houerTw); // 变量在拼接是要注意不能加入空格 shi.style.transform = 'rotate(' + houerTw + 'deg)'; fen.style.transform = 'rotate(' + minuteTW + 'deg)'; miao.style.transform = 'rotate(' + secondTW + 'deg)'; }, 1000) </script></body></html>

效果图：

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