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@yinxianwei
Last active March 1, 2017 11:04
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热敏打印机字号大小无法调整问题
<!DOCTYPE HTML>
<html>
<head>
<meta name="renderer" content="webkit">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>美问</title>
<style type="text/css">
@media screen {
#printSection {
display: none;
}
}
@page {
margin: 0cm;
}
@media print {
body * {
visibility: hidden;
}
#printSection * {
visibility: visible;
}
p {
font-size: 9pt;
}
h4 {
font-size: 18pt;
}
}
</style>
<script type="text/javascript">
function printTest() {
window.print();
}
</script>
</head>
<body>
<div>
<div id="printSection">
<div style="width: 150%;height: 1px;"></div>
<!-- 如果打印内容宽度过短,则需要添加宽度大于100%的div,否则字体大小设置无效 -->
<p>打印测试</p>
<h4>打印测试</h4>
</div>
<button onclick="printTest()">打印</button>
</div>
</body>
</html>
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