移动端网页签名，附上DOM，效果图

2023-04-10 19:09:27
附上效果图
在这里插入图片描述
附上代码DOM
<!DOCTYPE html > 
<html>  
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no">  
<title>手写签字</title>  
   
<script src="js/jquery.min.js"></script> 
<!-- <script type="text/javascript" src="js/flashcanvas.js"></script> -->
<script src="js/jSignature.min.js"></script> 
<script type="text/javascript"> 
    $(function(){ 
        //初始化插件 
        var dHeight = "300px"; 
        var dWidth = document.body.scrollWidth ;  
   
        $("#signature").jSignature({height:dHeight,width:dWidth, signatureLine:false});//初始化调整手写屏大小 
   
    }) 
   
    //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"); 
        $("#image img").remove(); 
    } 
</script> 
</head> 
<body> 
<div id="signature" style="width: 100%;height: 300px;border: 1px solid #ccc;margin: 10px 0px;"></div> 
<button type="button" οnclick="jSignatureTest()">生成签名</button> 
<button type="button" οnclick="reset()">清除签名</button> 
<div id="image" style="margin:20px"></div> 
</body> 
</html>