html5+js 样例

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>测试</title>
<script src="a.js"></script>
</head>
<body>

<div class="box">
<img id="barcode" />
</div>
<input type="text" id="content" placeholder="请输入条码内容" onblur="CreateIma()" />

<script>function CreateIma(){var content = document.getElementById('content').value;
if (content == undefined || content == "") {alert("亲，条码不能为空");return;};
var barcode = document.getElementById('barcode'),
options = {
format: "CODE128",
displayValue: true,
fontSize: 0,
height: 100
};JsBarcode(barcode, content, options); }</script>
</body>
</html>

posted @ 2021-09-27 21:59  laoluo528  阅读(88)  评论(0)    收藏  举报