代码：
<!DOCTYPE html><html lang="zh"><head> ???<meta charset="UTF-8"> ???<title>绘制阴影</title> ??<script> ??????function init() ?{ ??????????var canvas=document.getElementById(‘canvas‘); ??????????var ctx=canvas.getContext("2d"); ??????????ctx.shadowBlur=1.5; ??????????ctx.shadowColor="red"; ??????????ctx.shadowOffsetX=5; ??????????ctx.shadowOffsetY=5; ??????????ctx.strokeStyle="blue"; ??????????ctx.font=" italic 40px 宋体"; ??????????ctx.strokeText("你好",200,200); ??????} ??</script></head><body ??onload="init();"><canvas ?id="canvas" width="400" ?height="300" ?style="border:2px blueviolet solid"></canvas></body></html>效果：
2017-09-08 12:36:38
HTML5 ?绘制阴影
原文地址：http://www.cnblogs.com/guangzhou11/p/7494007.html