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一直接使用bootstrap，利用简单的js控制

http://duckranger.com/2012/06/pretty-file-input-field-in-bootstrap/

非常简单，代码如下：

<input id="lefile" type="file" style="display:none"><div class="input-append"> 
<input id="photoCover" class="input-large" type="text" style="height:30px;"><a class="btn" onclick="$('input[id=lefile]').click();">Browse</a> 
</div> 
<script type="text/javascript"> 
$('input[id=lefile]').change(function() { 
$('#photoCover').val($(this).val()); 
}); 
</script>

效果如下：

不需要任何其他的js和css，只需要引入bootstrap和jQuery即可

其实这个就是拼接出来的，然后js控制显示文件名。

效果如下：

二 bootstrap-filestyle

http://markusslima.github.io/bootstrap-filestyle/

注意：此样式只能使用bootstrap2的css，版本为bootstrap3的css是不兼容的！！（妈蛋我就因为这个测试了老半天。。摔

效果如下：

三 bootstrap-file-input

http://www.gregpike.net/demos/bootstrap-file-input/demo.html

 
 
 
<meta charset="utf-8"><title>bootstrap.file-input</title><link href="css/bootstrap.min.css" rel="stylesheet"><script type="text/javascript" src="js/jquery-2.0.3.min.js"></script><script type="text/javascript" src="js/bootstrap.min.js"></script><script type="text/javascript" src="js/bootstrap.file-input.js"></script><!-- Change the wording using a title tag --><input type="file" title="Search for a file to add 1" class="btn-primary"><br><br><input type="file" title="Search for a file to add 2" class="btn btn-primary"><br><br><input type="file" title="Search for a file to add 3" class="btn-primary"><br><br><input type="file" title="Search for a file to add 4" class="btn-primary"><br><br><br><br><br> 
Disable the styling: 
<!-- Disable the styling --> 
<input type="file" data-bfi-disabled><script type="text/javascript"> 
$('input[type=file]').bootstrapFileInput(); 
</script><p>引入了<span style="color: #008080">bootstrap.file-input.js</span>但是直接引入有点小问题，说找不到<span style="color: #008080">bootstrapFileInput</span>这个方法。于是我就改了一点js：</p>
<div class="jb51code">
<pre class="brush:js;">
/* 
Bootstrap - File Input 
====================== 
This is meant to convert all file input tags into a set of elements that displays consistently in all browsers. 
Converts all 
<input type="file"> 
into Bootstrap buttons 
<a class="btn">Browse</a> 
*/ 
$.fn.bootstrapFileInput = function() { 
这里我直接用这个方法，把前面一行删掉就可以了 
this.each(function(i,elem){ 
.........中间省略 
// Add the styles before the first stylesheet 
// This ensures they can be easily overridden with developer styles 
var cssHtml = '<style>'+ 
'.file-input-wrapper { overflow: hidden; position: relative; cursor: pointer; z-index: 1; }'+ 
'.file-input-wrapper input[type=file], .file-input-wrapper input[type=file]:focus, .file-input-wrapper input[type=file]:hover { position: absolute; top: 0; left: 0; cursor: pointer; opacity: 0; filter: alpha(opacity=0); z-index: 99; outline: 0; }'+ 
'.file-input-name { margin-left: 8px; }'+ 
'</style>'; 
$('link[rel=stylesheet]').eq(0).before(cssHtml); 
};

好了，到了看效果的时候啦~~

四 Fine Uploader

http://fineuploader.com/demos.html

在官网下载是收费的。。我在github下载了一个。

下载链接

下载解压后是这样的：

 
 
 
<meta charset="utf-8"><title>bootstrap.file-input</title><link href="css/bootstrap.min.css" rel="stylesheet"><link href="css/fineuploader.css" rel="stylesheet"><script type="text/javascript" src="js/jquery-2.0.3.min.js"></script><script type="text/javascript" src="js/bootstrap.min.js"></script><script type="text/javascript" src="js/all.fineuploader-4.3.1.min.js"></script><br><div id="manual-fine-uploader"></div> 
<div id="triggerUpload" class="btn btn-primary" style="margin-top: 10px;"> 
<i class="icon-upload icon-white"></i> Upload now 
</div> 
<script> 
$(document).ready(function() { 
var manualuploader = $('#manual-fine-uploader').fineUploader({ 
request: { 
endpoint: 'server/handleUploads' 
}, 
autoUpload: false, 
text: { 
uploadButton: '<i class="icon-plus icon-white"> Select Files' 
} 
}); 
$('#triggerUpload').click(function() { 
manualuploader.fineUploader('uploadStoredFiles'); 
}); 
}); 
</script><script> 
$(document).ready(function () { 
$('#fine-uploader').fineUploader({ 
request: { 
endpoint: 'server/handleUploads' 
} 
}); 
}); 
</script><!-- Fine Uploader CSS 
====================================================================== --><!-- Fine Uploader DOM Element 
====================================================================== --><div id="fine-uploader"></div> 
<!-- Fine Uploader template 
====================================================================== --> 
<script type="text/template" id="qq-template"> 
<div class="qq-uploader-selector qq-uploader"> 
<div class="qq-upload-drop-area-selector qq-upload-drop-area" qq-hide-dropzone> 
<span>Drop files here to upload 
</script>

Upload a file

Processing dropped files...