HTML5 canvas 在线涂鸦
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2022-06-19 18:26:33
插件地址 http://bencentra.github.io/jq signature/ 采用技术 jq signature.min.js Developed using jQuery 2.1.4. 截图 " " ......
插件地址
采用技术
- jq-signature.min.js
- developed using jquery 2.1.4.
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>insert title here</title>
<script src="jquery.min.js"></script>
<script src="jq-signature.min.js"></script>
<script>
$(function(){
$('.js-signature').jqsignature();
})
function clearcanvas() {
$('#signature').html('<p><em>your signature will appear here when you click "save signature"</em></p>');
$('.js-signature').eq(1).jqsignature('clearcanvas');
$('#savebtn').attr('disabled', true);
}
function savesignature() {
$('#signature').empty();
var dataurl = $('.js-signature').jqsignature('getdataurl');
var img = $('<img>').attr('src', dataurl);
$('#signature').append($('<p>').text("here's your signature:"));
$('#signature').append(img);
}
$('.js-signature').eq(1).on('jq.signature.changed', function() {
$('#savebtn').attr('disabled', false);
});
</script>
</head>
<body>
<div class="js-signature" data-width="600" data-height="200" data-border="1px solid black" data-line-color="#bc0000" data-auto-fit="true"></div>
<p><button id="clearbtn" class="btn btn-default" onclick="clearcanvas();">clear canvas</button>
<button id="savebtn" class="btn btn-default" onclick="savesignature();" >save signature</button></p>
<div id="signature">
<p><em>your signature will appear here when you click "save signature"</em></p>
</div>
</body>
</html>
截图
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