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asp.net webuploader粘贴，拖拽，点击上传图片
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demo.html代码：
<!DOCTYPE html>
<html lang="zh-CN"><head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>演示 - Web Uploader</title>
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]-->
<link rel="stylesheet" type="text/css" href="/webuploader/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="/webuploader/css/bootstrap-theme.min.css">
<link rel="stylesheet" type="text/css" href="css/style.css" />
<link rel="stylesheet" type="text/css" href="/webuploader/css/webuploader.css">
<link rel="stylesheet" type="text/css" href="/webuploader/css/demo.css">
</head><body>
<div id="wrapper">
<div class="page-body">
<div id="post-container" class="container">
<div class="page-container">
<h1 id="demo">Demo</h1>
<p>您可以尝试文件拖拽，使用QQ截屏工具，然后激活窗口后粘贴，或者点击添加图片按钮，来体验此demo.</p>
<div id="uploader" class="wu-example">
<div class="queueList">
<div id="dndArea" class="placeholder">
<div id="filePicker"></div>
<p>或将照片拖到这里，单次最多可选300张</p>
</div>
</div>
<div class="statusBar" style="display:none;">
<div class="progress">
<span class="text">0%</span>
<span class="percentage"></span>
</div>
<div class="info"></div>
<div class="btns">
<div id="filePicker2"></div>
<div class="uploadBtn">开始上传</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script type="text/javascript">
// 添加全局站点信息
var BASE_URL = '/webuploader';
</script>
<script type="text/javascript" src="/webuploader/js/jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="/webuploader/js/bootstrap.min.js"></script>
<script type="text/javascript" src="/webuploader/js/webuploader.js"></script>
<script type="text/javascript" src="/webuploader/js/demo.js"></script></body></html>
demo.js代码：
jQuery(function() {
var $ = jQuery, // just in case. Make sure it's not an other libaray. $wrap = $('#uploader'), // 图片容器
$queue = $('<ul class="filelist"></ul>')
.appendTo( $wrap.find('.queueList') ), // 状态栏，包括进度和控制按钮
$statusBar = $wrap.find('.statusBar'), // 文件总体选择信息。
$info = $statusBar.find('.info'), // 上传按钮
$upload = $wrap.find('.uploadBtn'), // 没选择文件之前的内容。
$placeHolder = $wrap.find('.placeholder'), // 总体进度条
$progress = $statusBar.find('.progress').hide(), // 添加的文件数量
fileCount = 0, // 添加的文件总大小
fileSize = 0, // 优化retina, 在retina下这个值是2
ratio = window.devicePixelRatio || 1, // 缩略图大小
thumbnailWidth = 110 * ratio,
thumbnailHeight = 110 * ratio, // 可能有pedding, ready, uploading, confirm, done.
state = 'pedding', // 所有文件的进度信息，key为file id
percentages = {}, supportTransition = (function(){
var s = document.createElement('p').style,
r = 'transition' in s ||
'WebkitTransition' in s ||
'MozTransition' in s ||
'msTransition' in s ||
'OTransition' in s;
s = null;
return r;
})(), // WebUploader实例
uploader; if ( !WebUploader.Uploader.support() ) {
alert( 'Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
throw new Error( 'WebUploader does not support the browser you are using.' );
} // 实例化
uploader = WebUploader.create({
pick: {
id: '#filePicker',
label: '点击选择图片'
},
dnd: '#uploader .queueList',
paste: document.body, accept: {
title: 'Images',
// extensions: 'gif,jpg,jpeg,bmp,png',
mimeTypes: 'image/*'
}, // swf文件路径
swf: BASE_URL + 'Uploader.swf', disableGlobalDnd: true, chunked: true,
// server: 'http://webuploader.duapp.com/server/fileupload.php',
server: '/webuploader/server/Uploader.ashx',
fileNumLimit: 300,
fileSizeLimit: 5 * 1024 * 1024, // 200 M
fileSingleSizeLimit: 1 * 1024 * 1024 // 50 M
}); // 添加“添加文件”的按钮，
uploader.addButton({
id: '#filePicker2',
label: '继续添加'
});
// 当有文件添加进来时执行，负责view的创建
function addFile( file ) {
var $li = $( '<li id="' + file.id + '">' +
'<p class="title">' + file.name + '</p>' +
'<p class="imgWrap"></p>'+
'<p class="progress"><span></span></p>' +
'</li>' ), $btns = $('<div class="file-panel">' +
'<span class="cancel">删除</span>' +
'<span class="rotateRight">向右旋转</span>' +
'<span class="rotateLeft">向左旋转</span></div>').appendTo( $li ),
$prgress = $li.find('p.progress span'),
$wrap = $li.find( 'p.imgWrap' ),
$info = $('<p class="error"></p>'), showError = function( code ) {
switch( code ) {
case 'exceed_size':
text = '文件大小超出';
break; case 'interrupt':
text = '上传暂停';
break; default:
text = '上传失败，请重试';
break;
} $info.text( text ).appendTo( $li );
}; if ( file.getStatus() === 'invalid' ) {
showError( file.statusText );
} else {
// @todo lazyload
$wrap.text( '预览中' );
uploader.makeThumb( file, function( error, src ) {
if ( error ) {
$wrap.text( '不能预览' );
return;
} var img = $('<img src="'+src+'">');
$wrap.empty().append( img );
}, thumbnailWidth, thumbnailHeight ); percentages[ file.id ] = [ file.size, 0 ];
file.rotation = 0;
} file.on('statuschange', function( cur, prev ) {
if ( prev === 'progress' ) {
$prgress.hide().width(0);
} else if ( prev === 'queued' ) {
$li.off( 'mouseenter mouseleave' );
$btns.remove();
} // 成功
if ( cur === 'error' || cur === 'invalid' ) {
console.log( file.statusText );
showError( file.statusText );
percentages[ file.id ][ 1 ] = 1;
} else if ( cur === 'interrupt' ) {
showError( 'interrupt' );
} else if ( cur === 'queued' ) {
percentages[ file.id ][ 1 ] = 0;
} else if ( cur === 'progress' ) {
$info.remove();
$prgress.css('display', 'block');
} else if ( cur === 'complete' ) {
$li.append( '<span class="success"></span>' );
} $li.removeClass( 'state-' + prev ).addClass( 'state-' + cur );
}); $li.on( 'mouseenter', function() {
$btns.stop().animate({height: 30});
}); $li.on( 'mouseleave', function() {
$btns.stop().animate({height: 0});
}); $btns.on( 'click', 'span', function() {
var index = $(this).index(),
deg; switch ( index ) {
case 0:
uploader.removeFile( file );
return; case 1:
file.rotation += 90;
break; case 2:
file.rotation -= 90;
break;
} if ( supportTransition ) {
deg = 'rotate(' + file.rotation + 'deg)';
$wrap.css({
'-webkit-transform': deg,
'-mos-transform': deg,
'-o-transform': deg,
'transform': deg
});
} else {
$wrap.css( 'filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
// use jquery animate to rotation
// $({
// rotation: rotation
// }).animate({
// rotation: file.rotation
// }, {
// easing: 'linear',
// step: function( now ) {
// now = now * Math.PI / 180; // var cos = Math.cos( now ),
// sin = Math.sin( now ); // $wrap.css( 'filter', "progid:DXImageTransform.Microsoft.Matrix(M11=" + cos + ",M12=" + (-sin) + ",M21=" + sin + ",M22=" + cos + ",SizingMethod='auto expand')");
// }
// });
} }); $li.appendTo( $queue );
} // 负责view的销毁
function removeFile( file ) {
var $li = $('#'+file.id); delete percentages[ file.id ];
updateTotalProgress();
$li.off().find('.file-panel').off().end().remove();
} function updateTotalProgress() {
var loaded = 0,
total = 0,
spans = $progress.children(),
percent; $.each( percentages, function( k, v ) {
total += v[ 0 ];
loaded += v[ 0 ] * v[ 1 ];
} ); percent = total ? loaded / total : 0; spans.eq( 0 ).text( Math.round( percent * 100 ) + '%' );
spans.eq( 1 ).css( 'width', Math.round( percent * 100 ) + '%' );
updateStatus();
} function updateStatus() {
var text = '', stats; if ( state === 'ready' ) {
text = '选中' + fileCount + '张图片，共' +
WebUploader.formatSize( fileSize ) + '。';
} else if ( state === 'confirm' ) {
stats = uploader.getStats();
if ( stats.uploadFailNum ) {
text = '已成功上传' + stats.successNum+ '张照片至XX相册，'+
stats.uploadFailNum + '张照片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
} } else {
stats = uploader.getStats();
text = '共' + fileCount + '张（' +
WebUploader.formatSize( fileSize ) +
'），已上传' + stats.successNum + '张'; if ( stats.uploadFailNum ) {
text += '，失败' + stats.uploadFailNum + '张';
}
} $info.html( text );
} function setState( val ) {
var file, stats; if ( val === state ) {
return;
} $upload.removeClass( 'state-' + state );
$upload.addClass( 'state-' + val );
state = val; switch ( state ) {
case 'pedding':
$placeHolder.removeClass( 'element-invisible' );
$queue.parent().removeClass('filled');
$queue.hide();
$statusBar.addClass( 'element-invisible' );
uploader.refresh();
break; case 'ready':
$placeHolder.addClass( 'element-invisible' );
$( '#filePicker2' ).removeClass( 'element-invisible');
$queue.parent().addClass('filled');
$queue.show();
$statusBar.removeClass('element-invisible');
uploader.refresh();
break; case 'uploading':
$( '#filePicker2' ).addClass( 'element-invisible' );
$progress.show();
$upload.text( '暂停上传' );
break; case 'paused':
$progress.show();
$upload.text( '继续上传' );
break; case 'confirm':
$progress.hide();
$upload.text( '开始上传' ).addClass( 'disabled' ); stats = uploader.getStats();
if ( stats.successNum && !stats.uploadFailNum ) {
setState( 'finish' );
return;
}
break;
case 'finish':
stats = uploader.getStats();
if ( stats.successNum ) {
alert( '上传成功' );
} else {
// 没有成功的图片，重设
state = 'done';
location.reload();
}
break;
} updateStatus();
} uploader.onUploadProgress = function( file, percentage ) {
var $li = $('#'+file.id),
$percent = $li.find('.progress span'); $percent.css( 'width', percentage * 100 + '%' );
percentages[ file.id ][ 1 ] = percentage;
updateTotalProgress();
}; uploader.onFileQueued = function( file ) {
fileCount++;
fileSize += file.size; if ( fileCount === 1 ) {
$placeHolder.addClass( 'element-invisible' );
$statusBar.show();
} addFile( file );
setState( 'ready' );
updateTotalProgress();
}; uploader.onFileDequeued = function( file ) {
fileCount--;
fileSize -= file.size; if ( !fileCount ) {
setState( 'pedding' );
} removeFile( file );
updateTotalProgress(); }; uploader.on( 'all', function( type ) {
var stats;
switch( type ) {
case 'uploadFinished':
setState( 'confirm' );
break; case 'startUpload':
setState( 'uploading' );
break; case 'stopUpload':
setState( 'paused' );
break; }
}); uploader.onError = function( code ) {
alert( 'Eroor: ' + code );
}; $upload.on('click', function() {
if ( $(this).hasClass( 'disabled' ) ) {
return false;
} if ( state === 'ready' ) {
uploader.upload();
} else if ( state === 'paused' ) {
uploader.upload();
} else if ( state === 'uploading' ) {
uploader.stop();
}
}); $info.on( 'click', '.retry', function() {
uploader.retry();
} ); $info.on( 'click', '.ignore', function() {
alert( 'todo' );
} ); $upload.addClass( 'state-' + state );
updateTotalProgress();
});
