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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>慕课网Wiki</title> <style> #imooc{ border:1px solid #ccc; } </style> </head> <body> <canvas id="imooc">您的浏览器不支持 HTML5 canvas 标签</canvas> <script> const canvas = document.getElementById('imooc'); canvas.width=300 canvas.height=300 const ctx = canvas.getContext('2d'); // 绘制圆角矩形 ctx.beginPath(); ctx.moveTo(80,40); ctx.arcTo(260,40, 260,200, 40); ctx.arcTo(260,260, 200,260, 40); ctx.arcTo(40,260, 40,100, 40); ctx.arcTo(40,40, 80,40,40) ctx.strokeStyle = "#456795"; ctx.lineWidth = 4; ctx.stroke(); ctx.fillStyle = "#ccc"; ctx.fill(); </script> </body> </html>
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