文件上传input file简便美化方案(css)

　　<form id="UploadForm" method="post" enctype="multipart/form-data">
　　　　<div class="file-uploader-wrap">
　　　　　　<input type="file" class="file-uploader" name="uploadDataField" id="FileUploader"/>
　　　　　　<div class="file-uploader-wrap-fake">
　　　　　　　　<input type="text" id="PathDisplayer" class="input-text" disabled />
　　　　　　　　<a href="javascript:void(0)" class="link-btn" >选择文件</a>
　　　　　　</div>
　　　　</div>
　　</form>

body{
font-size: 12px;
text-align: left;
}
.input-text{
height: 23px;
width: 315px;
line-height: 23px;
vertical-align: middle;
background: #FAFBFD;
border:1px solid #d4d4d4;
}
.link-btn{
width: 78px;
height: 25px;
display: inline-block;
line-height: 25px;
text-align: center;
vertical-align: middle;
background: url('./images/btn.png') 0 -110px;
color: #6d767f;
text-decoration: none;
}
.file-uploader-wrap{
position: relative;
width: 405px;
height: 27px;
margin-top: 20px;
}
.file-uploader-wrap-fake{
position: absolute;
top: 0;
left: 0;
z-index: 1;
height: 27px;
_display : none;
}
.file-uploader-wrap .file-uploader{
position: relative;
width: 400px;
height: 27px;
text-align: right;
filter : alpha(opacity = 0);
opacity: 0;
z-index: 2;
cursor: pointer;
_filter : none;
_text-align : left;
_line-height : 27px;
}

window.onload = function(){
var fileUploader = document.getElementById('FileUploader');
var pathDisplayer = document.getElementById('PathDisplayer');
if(fileUploader.addEventListener){
fileUploader.addEventListener('change', fileUploaderChangeHandler, false);
}else if(fileUploader.attachEvent){
fileUploader.attachEvent('onclick', fileUploaderClickHandler);
}else{
fileUploader.onchange = fileUploaderChangeHandler;
}
function fileUploaderChangeHandler(){
pathDisplayer.value = fileUploader.value;
}
function fileUploaderClickHandler(){
setTimeout(function(){
fileUploaderChangeHandler();
}, 0);
}
}