input类型为file改变默认按钮样式

时间：2024-03-12 19:45:47

改变 input file 样式（input  文件域）是很多前端朋友经常遇到的头疼问题，今天推荐两种改变 input file 样式的两种常用方法：

方法一：

<input type="text" size="20" name="upfile" id="upfile" style="border:1px dotted #ccc">  
<input type="button" value="浏览" onclick="path.click()" style="border:1px solid #ccc;background:#fff">  
<input type="file" id="path" style="display:none" onchange="upfile.value=this.value">
也可以写成这样：

<style type="text/css">
<!--
#input1{border:1px solid #0000FF}
#btn1{width:70px;height:21px;font-size:12px;padding-top:3px; background:url(83.gif) no-repeat; height:22px; border:0;}
//-->
</style>
<body><input type="text" id="input1">
<input name="button" type="button" id="btn1" onclick="myfile.click();" value="浏览文档" />
<input type="file" id="myfile" onchange="input1.value=this.value" style="display:none">
</body>
方法二：


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=gb2312" />
<meta http-equiv="content-language" content="zh-cn" />
<meta name="robots" content="all" />
<meta name="keywords" content="关键字描述" />
<meta name="description" content="站点描述" />
<meta name="author" content="我们,we@126.com" />
<meta name="copyright" content="版权所有" />


<title>css+js定义input的file浏览按钮样式兼容FireFox</title>
<style type="text/css">
<!--
*{ margin:0; padding:0; border:0;}
body{font:12px/130% verdana,geneva,arial,helvetica,sans-serif,宋体; padding:20px;}li{list-style:none;}
.clearfix:after{content:"&nbsp;";display:block;height:0;clear:both;visibility:hidden;}.clearfix{*display:inline-block;}


.text{ border:1px solid #999;height:16px; width:300px; font-family:verdana; font-size:12px;padding-top:2px; float:left;margin-right: 5px;}
.file{ width:67px;overflow:hidden; background:url(83.gif); height:22px; *vertical-align:3px; overflow:hidden; float:left;}
#file{ width:0; height:20px;margin-left: -154px;*margin-left:-3px; filter:alpha(opacity=0);-moz-opacity:.0;opacity:0.0; cursor:pointer;}
-->
</style>
</head>
<body>
<input type="text" class="text" id="text"/>
<span class="file"><input id="file" type="file" /></span>
<script type="text/javascript">
<!--
var file = document.getElementById("file");
var text = document.getElementById("text");
file.onchange = type;
function type()
{text.value = file.value;}
-->
</script>
</body>
</html>

 

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