摘要:
<canvas id="canvas" style="width:500px;height:500px;background:#999">ddafc</canvas><script type="text/javascript"> var canvas=document.getElementById( 阅读全文
摘要:
一.一般方法绘制矩形(不常用) <canvas id="canvas" style="width:500px;height:500px;background:#999">ddafc</canvas><script type="text/javascript"> var canvas=document 阅读全文