站長資訊網(wǎng)html5已經(jīng)出來好長時間了，但仍然有不多小伙伴們不太懂，下面小編就來用html5實現(xiàn)一個簡單的鐘表外觀
<html lang="en-US"> <style> #myCanvas{border:3px solid blue;} </style> <head> <script type="text/javascript"> window.onload = function() { var mycanvas = document.getElementById("myCanvas"); var context = mycanvas.getContext("2d"); context.lineWidth = 2; context.strokeStyle = "blue"; context.fillStyle = "blue"; context.arc(250,200,5,0,Math.PI*2,true); context.fill(); context.beginPath(); context.arc(250,200,150,0,Math.PI*2,true); context.stroke(); context.translate(250,200); context.rotate(-Math.PI/2); context.save(); for(var i=0;i<60;i++) { if(i % 5 == 0) { context.fillRect(130,0,20,5); context.fillText((i/5 == 0?12:i/5),120,5); } else { context.fillRect(140,0,10,2) } context.rotate(Math.PI/30); //360°每6度旋轉(zhuǎn)一次 } context.fillRect(0,-2,90,3); context.stroke(); } </script> </head> <body> <canvas id=myCanvas width=500px height=400px></canvas> </body> </html>
效果圖
