canvas示例系列:html:canvas画布绘图简单入门-1html:canvas画布绘图简单入门-2html:canvas画布绘图简单入门-绘制时钟-3html:canvas画布绘图简单入门-刮刮乐-4html:canvas画布绘图简单入门-画板-5画板示例源码较多,可直接查看在线示例,右键查看源码https://mouday.github.io/front-end-demo/canvas/canvas-draw.html