JS签名插件JSignature使用

最新推荐文章于 2025-01-13 21:06:52 发布

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最新推荐文章于 2025-01-13 21:06:52 发布

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本文链接：https://blog.youkuaiyun.com/BaiSJL/article/details/51671791

版权

本文档介绍了JSignature JavaScript签名插件的使用方法，包括参考资料和插件的官方网站链接。

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参考资料及文档

插件首页
http://willowsystems.github.io/jSignature/#/about/

使用方法

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<script type="text/javascript" src="${pageContext.request.contextPath }/jquery-1.8.2.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath }/jSignature.min.js"></script>
<script type="text/javascript">
    $(function(){
        //初始化插件
        $("#signature").jSignature();
    })

    //输出签名图片
    function jSignatureTest(){
        var $sigdiv = $("#signature");
//        $sigdiv.jSignature() // inits the jSignature widget.
        // after some doodling...
//        $sigdiv.jSignature("reset") // clears the canvas and rerenders the decor on it.
        var datapair = $sigdiv.jSignature("getData", "svgbase64") 
        console.log(datapair);
//          datapair = ["image/svg+xml;base64","PD94bWwgdmVyc2lvbj0iMS4wIi
//          BlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+PCFET0NUWVBFIHN2Zy
//          BQVUJMSUMgIi0vL1czQy8vRFREIFNWRyAxLjEvL0VOIiAiaHR0cDovL3d3dy53My
//          5vcmcvR3JhcGhpY3MvU1ZHLzEuMS9EVEQvc3ZnMTEuZHRkIj48c3ZnIHhtbG5zPS
//          JodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgdmVyc2lvbj0iMS4xIiB3aWR0aD
//          0iMzEiIGhlaWdodD0iMzQiPjxwYXRoIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzAwMD
//          AwMCIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm
//          9rZS1saW5lam9pbj0icm91bmQiIGQ9Ik0gMSAxIGMgMC4xMiAwLjExIDUuMDEgMy
//          43NiA3IDYgYyAzLjI1IDMuNjUgNS43MSA4LjM1IDkgMTIgYyAyLjY0IDIuOTMgNi
//          4zNyA1LjE2IDkgOCBjIDEuNTggMS43IDQgNiA0IDYiLz48L3N2Zz4="]
        var i = new Image();
        i.src = "data:" + datapair[0] + "," + datapair[1] 
        $(i).appendTo($("#image")) // append the image (SVG) to DOM.
    }

    function reset(){
        var $sigdiv = $("#signature");
        $sigdiv.jSignature("reset");
    }
</script>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<div id="signature" style="height: 100%;"></div>
<button type="button" onclick="jSignatureTest()">output signature</button>
<button type="button" onclick="reset()">reset</button>
<div id="image" style="margin:20px"></div>
</body>
</html>