<html>
<head>
<title>万码学堂wanmait</title>
<meta http-equiv="author" content="万码学堂wanmait">
<style type="text/css">
#file{
display: none;
}
#div{
width: 300px;
height: 50px;
background-color: aquamarine;
border: 1px solid black;
border-radius: 10px;
text-align: center;
}
</style>
</head>
<body>
<div id="div" onclick="openFile()">
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<input id="file" type="file">
</div>
<script type="text/javascript">
function openFile()
{
document.getElementById("file").click();
}
</script>
</body>
</html>
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