<!DOCTYPE HTML> <html> <meta charset="utf-8"> <head> <title>Analog Clock</title> <script> function updateTime() { var now = new Date(); // 当前时间 var min = now.getMinutes(); // 分钟 var hour = (now.getHours() % 12) + min/60; // 转行成可以在时钟上表示的时间 var seconds = now.getSeconds(); //秒钟 var minangle = min*6; // 6度表示一分钟 var hourangle = hour*30; // 30 表示一小时 var secrangel = seconds * 6; // 6度表示一秒钟 // 获取表示时钟时针的SVG元素 var minhand = document.getElementById("minutehand"); var hourhand = document.getElementById("hourhand"); var secondhand = document.getElementById("secondhand"); // 设置这些元素的SVG属性，将它们移动到钟面上 minhand.setAttribute("transform", "rotate(" + minangle + ",50,50)"); hourhand.setAttribute("transform", "rotate(" + hourangle + ",50,50)"); secondhand.setAttribute("transform", "rotate(" + secrangel + ",50,50)"); // 每秒钟更新下时钟显示时间 setTimeout(updateTime, 1000); } </script> <style> #clock { stroke: black; stroke-linecap: round; fill: #eef; } #face { stroke-width: 2px;} #ticks { stroke-width: 2px; } #hourhand {stroke-width: 3px;} #minutehand {stroke-width: 2px;} #secondhand{stroke-width: 1px;} #numbers { font-family: sans-serif; font-size: 7pt; font-weight: bold; text-anchor: middle; stroke: none; fill: black; } </style> </head> <body> <!-- viewBox是坐标系，width和height是指屏幕大小 --> <svg viewBox="0 0 100 100"> <defs> <!-- 定义下拉阴影的滤镜 --> <filter x="-50%" y="-50%"> <feGaussianBlur in="SourceAlpha" stdDeviation="1" result="blur" /> <feOffset in="blur" dx="1" dy="1" result="shadow" /> <feMerge> <feMergeNode in="SourceGraphic"/><feMergeNode in="shadow"/> </feMerge> </filter> </defs> <circle cx="50" cy="50" r="45"/> <!-- 钟缅 --> <g> <!-- 12小时的刻度 --> <line x1='50' y1='5.000' x2='50.00' y2='10.00'/> <line x1='72.50' y1='11.03' x2='70.00' y2='15.36'/> <line x1='88.97' y1='27.50' x2='84.64' y2='30.00'/> <line x1='95.00' y1='50.00' x2='90.00' y2='50.00'/> <line x1='88.97' y1='72.50' x2='84.64' y2='70.00'/> <line x1='72.50' y1='88.97' x2='70.00' y2='84.64'/> <line x1='50.00' y1='95.00' x2='50.00' y2='90.00'/> <line x1='27.50' y1='88.97' x2='30.00' y2='84.64'/> <line x1='11.03' y1='72.50' x2='15.36' y2='70.00'/> <line x1='5.000' y1='50.00' x2='10.00' y2='50.00'/> <line x1='11.03' y1='27.50' x2='15.36' y2='30.00'/> <line x1='27.50' y1='11.03' x2='30.00' y2='15.36'/> </g> <g> <!-- 标记重要的几个刻度值--> <text x="50" y="18">12</text><text x="85" y="53">3</text> <text x="50" y="88">6</text><text x="15" y="53">9</text> </g> <!-- 初始绘制成竖直的指针，之后通过js来做旋转 --> <g filter="url(#shadow)"> <!-- 给指针添加阴影 --> <line x1="50" y1="50" x2="50" y2="25"/> <line x1="50" y1="50" x2="50" y2="18"/> <line x1="50" y1="50" x2="50" y2="11"/> </g> </svg> </body> </html>