版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style>
.file_upload_box {
display: inline-block;
position: relative;
overflow: hidden;
}
.file_upload_box input[type=file] {
position: absolute;
left: 0;
top: 0;
width: 100%;
opacity: 0;
cursor: pointer;
}
.file_upload_box a {
display: inline-block;
width: 100%;
text-align: center;
text-decoration: none;
}
</style>
</head>
<body>
<div class="file_upload_box">
<input type="file" name="file" />
<a href="javascript:void(0);">导入</a>
</div>
</body>
</html>