源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> </head> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #d3d3d3;"> 你的浏览器不支持HTML5 canvas标记 </canvas> <script> var c = document.getElementById("myCanvas"); var ctx = c.getContext("2d"); // Create gradient var grd = ctx.createLinearGradient(0,0,200,0); grd.addColorStop(0,"red"); grd.addColorStop(1,"white"); // Fill with gradient ctx.fillStyle = grd; ctx.fillRect(10,10,150,80); </script> </body> </html>
运行结果