<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.file-box{ position:relative;340px;margin:20px;}
.txt{ height:28px;line-height:28px; border:1px solid #cdcdcd; 180px;}
.update{70px; color:#fff;background-color:#3598dc; border:0 none;height:28px; line-height:16px!important;cursor:pointer;}
.update:hover{background-color:#63bfff;color:#fff;}
.file{ position:absolute; top:0; right:85px; height:30px;line-height:30px; filter:alpha(opacity:0);opacity: 0;254px }
</style>
</head>
<body>
<div class="file-box">
<form id="uploadForm">
<input type="text" id="textfield" class="txt" />
<input type="button" class="update" value="上传文件" />
<input type="file" name="file" class="file" id="fileField" onchange="document.getElementById('textfield').value=this.files[0].name"/>
</form>
</div>
</body>
</html>
