手写签名的服务端,包括: 手写签名的flash, 签名设置, 签名区, 预览,下载,WebRoot/WEB-INF/handSign/handSign.html, 不需要部署也可以浏览效果-Handwritten signature of the server, including: the flash of a handwritten signature, the signature set, the signature area, preview, download, WebRoot/WEB