W3CAPI 实例工具箱
运行代码
源代码
<!DOCTYPE HTML> <html> <head> <meta charset="UTF-8"> </head> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #0D5BB3;"> 您的浏览器不支持HTML5 Canvas标签 </canvas> <script type="text/javascript"> var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); // 创建渐变 var grd=ctx.createLinearGradient(0,0,200,0); //线性 //var grd=ctx.createRadialGradient(75,50,5,90,60,100); //径向 grd.addColorStop(0,"blue"); grd.addColorStop(1,"white"); // 填充渐变 ctx.fillStyle=grd; ctx.fillRect(10,10,150,80); </script> </body> </html>
运行结果
豫ICP备18043494号-2
豫ICP备18043494号-2