先来看看运行效果：
完整代码：
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title> 钟表</title> <style type="text/css"> body { background-color:#00A2D4; } .clock { width: 200px; height: 200px; background: -webkit-radial-gradient(#3b3b3b, #000); background: radial-gradient(#2E3F50, #0E1B29); box-shadow: inset 0px 0px 30px #131313, 0px 2px 18px rgba(0,0,0,0.5); border: 6px solid #172839; border-radius: 106px; margin: auto; position: absolute; top: 0; bottom: 0; left: 0; right: 0; } .hour-hand { width: 4px; height: 55px; background: #fff; box-shadow: 0px 0px 7px #000; position: absolute; top: 45px; left: 98px; } .minute-hand { width: 4px; height: 80px; background: #fff; box-shadow: 0px 0px 4px #000; position: absolute; top: 20px; left: 98px; } .second-hand { width: 2px; height: 80px; background: #bbb; box-shadow: 0px 0px 7px #000; position: absolute; top: 20px; left: 99px; } .pin { width: 10px; height: 10px; background: #222; border-radius: 10px; margin: auto; position: absolute; top: 0; bottom: 0; left: 0; right: 0; } .hour-hand, .minute-hand, .second-hand { -webkit-transform-origin: 50% 100%; -moz-transform-origin: 50% 100%; -o-transform-origin: 50% 100%; -ms-transform-origin: 50% 100%; transform-origin: 50% 100%; } .circle{ width:20px; height:20px; line-height:20px; text-align:center; color:#fff; position: absolute; } </style> </head> <body> <div> <div></div> <div></div> <div></div> <div></div> <div>6</div> <div>5</div> <div>4</div> <div>3</div> <div>2</div> <div>1</div> <div>12</div> <div>11</div> <div>10</div> <div>9</div> <div>8</div> <div>7</div> </div> <div></div> <script type="text/javascript"> window.onload=function(){ setInterval(function(){ var dt = new Date(); var sec_deg = dt.getSeconds() * (360/60); var min_deg = dt.getMinutes() * (360/60); var hr_deg = dt.getHours() * (360/12) + dt.getMinutes() * (360/60/12); document.querySelector(".clock .second-hand").style.cssText='-webkit-transform:rotate(' + sec_deg + 'deg)','-moz-transform:rotate(' + sec_deg + 'deg)', '-o-transform:rotate(' + sec_deg + 'deg)', '-ms-transform:rotate(' + sec_deg + 'deg)', 'transform:rotate(' + sec_deg + 'deg)'; document.querySelector('.clock .minute-hand').style.cssText='-webkit-transform:rotate(' + min_deg + 'deg)', '-moz-transform:rotate(' + min_deg + 'deg)', '-o-transform:rotate(' + min_deg + 'deg)', '-ms-transform:rotate(' + min_deg + 'deg)', 'transform:rotate(' + min_deg + 'deg)'; document.querySelector('.clock .hour-hand').style.cssText='-webkit-transform:rotate(' + hr_deg + 'deg)', '-moz-transform:rotate(' + hr_deg + 'deg)', '-o-transform:rotate(' + hr_deg + 'deg)', '-ms-transform:rotate(' + hr_deg + 'deg)', 'transform:rotate(' + hr_deg + 'deg)'; }, 1000); var dx=90, dy=90, s=87,//半径 x=Math.sin(0), y=Math.cos(0), dig=2*Math.PI/12; var circle=document.querySelectorAll(".circle"); for(var i=0;i<12;i++){ var x=Math.sin(i*dig); var y=Math.cos(i*dig); var topValue=Number(dy+y*s), leftValue=Number(dx+x*s); circle[i].style.top=topValue+"px"; circle[i].style.left=leftValue+"px"; } } </script> </body> </html>
感兴趣的朋友可使用在线HTML/CSS/JavaScript代码运行工具：测试一下运行效果。
PS：这里再为大家推荐几款时间及日期相关工具供大家参考使用：
更多关于JavaScript相关内容感兴趣的读者可查看本站专题：《JavaScript时间与日期操作技巧总结》、《JavaScript查找算法技巧总结》、《JavaScript错误与调试技巧总结》、《JavaScript数据结构与算法技巧总结》、《JavaScript遍历算法与技巧总结》及《JavaScript数学运算用法总结》