UndoButton: "撤销"
background-color: "rgb(238, 238, 238)"
color: "#000"
cssclass: "jsa-canvas"
data: []
decor-color: "rgb(60, 60, 60)"
height: "300px"
lineWidth: "3"
minFatFingerCompensation: -10
readOnly: false
showUndoButton: false
signatureLine: false
sizeRatio: 4
width: "300px"

如果您不打算支持IE 7和8，则不需要下载FlashCanvas文件。
如果需要支持IE9，请引入 flashcanvas.js，如下：
<!--[if lt IE 9] >
<script type="text/javascript" src="flashcanvas.js"> </script>
<![endif]-->