网页特效栏目收集了最全最新的前端网页插件，包括最流行的jQuery，Bootstrap，Js，Css，Vue等主流特效插件。
这是一款基于html5+bootstrap3实现的可预览、拖拽上传插件代码，自适应布局，兼容多终端页面预览。
核心代码：
<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>基于Bootstrup 3可预览的HTML5文件上传插件</title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/default.css">
<link href="css/fileinput.css" media="all" rel="stylesheet" type="text/css" />
<!--[if IE]>
<script src="http://libs.useso.com/js/html5shiv/3.7/html5shiv.min.js"></script>
<![endif]-->
</head>
<body>
<div class="htmleaf-container">
<header class="htmleaf-header">
<h1>基于Bootstrup 3可预览的HTML5文件上传插件 </h1>
</header>
<div class="container kv-main">
<div class="page-header">
<h2>Bootstrap File Input Example <small></h2>
</div>
<form enctype="multipart/form-data">
<input id="file-0a" class="file" type="file" multiple data-min-file-count="1">
<br>
<button type="submit" class="btn btn-primary">Submit</button>
<button type="reset" class="btn btn-default">Reset</button>
</form>
<hr>
<form enctype="multipart/form-data">
<label>Test invalid input type</label>
<input id="file-0b" class="file" type="text" multiple data-min-file-count="1">
<script>
$(document).on('ready', function(){$("#file-0b").fileinput();});
</script>
</form>
<hr>
<form enctype="multipart/form-data">
<input id="file-0a" class="file" type="file" multiple data-min-file-count="3">
<hr>
<div class="form-group">
<input id="file-0b" class="file" type="file">
</div>
<hr>
<div class="form-group">
<input id="file-1" type="file" multiple class="file" data-overwrite-initial="false" data-min-file-count="2">
</div>
<hr>
<div class="form-group">
<input id="file-2" type="file" class="file" readonly data-show-upload="false">
</div>
<hr>
<div class="form-group">
<label>Preview File Icon</label>
<input id="file-3" type="file" multiple=true>
</div>
<hr>
<div class="form-group">
<input id="file-4" type="file" class="file" data-upload-url="#">
</div>
<hr>
<div class="form-group">
<button class="btn btn-warning" type="button">Disable Test</button>
<button class="btn btn-info" type="reset">Refresh Test</button>
<button class="btn btn-primary">Submit</button>
<button class="btn btn-default" type="reset">Reset</button>
</div>
<hr>
<div class="form-group">
<input type="file" class="file" id="test-upload" multiple>
<div id="errorBlock" class="help-block"></div>
</div>
<hr>
<div class="form-group">
<input id="file-5" class="file" type="file" multiple data-preview-file-type="any" data-upload-url="#" data-preview-file-icon="">
</div>
</form>
</div>
</div>
<script src="js/jquery.min.js"></script>
<script src="js/fileinput.js" type="text/javascript"></script>
<script src="js/fileinput_locale_zh.js" type="text/javascript"></script>
<script src="js/bootstrap.min.js" type="text/javascript"></script>
<script>
$("#file-0").fileinput({
'allowedFileExtensions' : ['jpg', 'png','gif'],
});
$("#file-1").fileinput({
uploadUrl: '#', // you must set a valid URL here else you will get an error
allowedFileExtensions : ['jpg', 'png','gif'],
overwriteInitial: false,
maxFileSize: 1000,
maxFilesNum: 10,
//allowedFileTypes: ['image', 'video', 'flash'],
slugCallback: function(filename) {
return filename.replace('(', '_').replace(']', '_');
}
});
/*
$(".file").on('fileselect', function(event, n, l) {
alert('File Selected. Name: ' + l + ', Num: ' + n);
});
*/
$("#file-3").fileinput({
showUpload: false,
showCaption: false,
browseClass: "btn btn-primary btn-lg",
fileType: "any",
previewFileIcon: "<i class='glyphicon glyphicon-king'></i>"
});
$("#file-4").fileinput({
uploadExtraData: {kvId: '10'}
});
$(".btn-warning").on('click', function() {
if ($('#file-4').attr('disabled')) {
$('#file-4').fileinput('enable');
} else {
$('#file-4').fileinput('disable');
}
});
$(".btn-info").on('click', function() {
$('#file-4').fileinput('refresh', {previewClass:'bg-info'});
});
/*
$('#file-4').on('fileselectnone', function() {
alert('Huh! You selected no files.');
});
$('#file-4').on('filebrowse', function() {
alert('File browse clicked for #file-4');
});
*/
$(document).ready(function() {
$("#test-upload").fileinput({
'showPreview' : false,
'allowedFileExtensions' : ['jpg', 'png','gif'],
'elErrorContainer': '#errorBlock'
});
/*
$("#test-upload").on('fileloaded', function(event, file, previewId, index) {
alert('i = ' + index + ', id = ' + previewId + ', file = ' + file.name);
});
*/
});
</script>
</body>
</html> 转载请注明来源：HTML5+Bootstrup3实现可预览、拖拽文件上传代码
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