webuploader上传实例+jquery-ui拖拽
姚伟
HTML代码+jquery-ui拖拽代码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>myUploader</title>
<link rel="stylesheet" type="text/css" href="../css/webuploader.css" />
<link rel="stylesheet" type="text/css" href="../css/style.css" />
</head>
<body onload="" style="padding:100px;">
<textarea id="fileDiv" style="display:none;"></textarea>
<div id="wrapper">
<div id="container">
<div id="uploader">
<div class="queueList">
<div id="dndArea" class="placeholder" style="display:none;">
<div id="filePicker"></div>
</div>
</div>
<div class="statusBar" style="display:none1;">
<!--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>
<script src="../js/jquery-1.11.3.min.js"></script>
<script src="../js/webuploader.js"></script>
<script src="../js/upload.js"></script>
<link rel="stylesheet" href="../css/jquery-ui.css">
<script src="../js/jquery-ui.min.js"></script>
<script>
$(function () {
$(".filelist").sortable({
update:function(){
var arr = $(".filelist").sortable('toArray');
console.log(arr);
//可直接在控制台看到排序后的数组id
//获取删除后剩下的图片路径，
var imglist = ""; //定义一个空变量
var list = $(".filelist").children().each(function (index, element) {//遍历每个对象
imglist +=$(this).find('p.title').text();//往数组中存入值
});
console.log(imglist);
//更新文本域中的上传路径
$("#fileDiv").val(imglist);
}
});
$(".filelist").disableSelection();
});
</script>
</body>
</html>
上传JS代码
(function( $ ){
// 当domReady的时候开始初始化
$(function() {
var $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' ),
$progress = $statusBar.find( '.progress' ).hide(),
// 添加的文件数量
fileCount = 0,
// 添加的文件总大小
fileSize = 0,
// 优化retina, 在retina下这个值是2
ratio = window.devicePixelRatio || 1,
// 缩略图大小
thumbnailWidth = 110 * ratio,
thumbnailHeight = 110 * ratio,
// 可能有pedding, ready, uploading, confirm, done.
state = 'pedding',
// 所有文件的进度信息，key为file id
percentages = {},
// 判断浏览器是否支持图片的base64
isSupportBase64 = ( function() {
var data = new Image();
var support = true;
data.onload = data.onerror = function() {
if( this.width != 1 || this.height != 1 ) {
support = false;
}
}
data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
return support;
} )(),
// 检测是否已经安装flash，检测flash的版本
flashVersion = ( function() {
var version;
try {
version = navigator.plugins[ 'Shockwave Flash' ];
version = version.description;
} catch ( ex ) {
try {
version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
.GetVariable('$version');
} catch ( ex2 ) {
version = '0.0';
}
}
version = version.match( /\d+/g );
return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
} )(),
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('flash') && WebUploader.browser.ie ) {
// flash 安装了但是版本过低。
if (flashVersion) {
(function(container) {
window['expressinstallcallback'] = function( state ) {
switch(state) {
case 'Download.Cancelled':
alert('您取消了更新！')
break;
case 'Download.Failed':
alert('安装失败')
break;
default:
alert('安装已成功，请刷新！');
break;
}
delete window['expressinstallcallback'];
};
var swf = './expressInstall.swf';
// insert flash object
var html = '<object type="application/' +
'x-shockwave-flash" data="' + swf + '" ';
if (WebUploader.browser.ie) {
html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
}
html += 'width="100%" height="100%" style="outline:0">' +
'<param name="movie" value="' + swf + '" />' +
'<param name="wmode" value="transparent" />' +
'<param name="allowscriptaccess" value="always" />' +
'</object>';
container.html(html);
})($wrap);
// 压根就没有安转。
} else {
$wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
}
return;
} else if (!WebUploader.Uploader.support()) {
alert( 'Web Uploader 不支持您的浏览器！');
return;
}
// 实例化
uploader = WebUploader.create({
auto: true,//是否自动上传，true为自动上传
pick: {
id: '#filePicker',
label: '点击选择文件'
},
formData: {
uid: 123
},
dnd: '#dndArea',
paste: '#uploader',
swf: '../../dist/Uploader.swf',
chunked: false,
chunkSize: 512 * 1024,
server: '',//上传文件路径
method:'POST',
resize: false,
// runtimeOrder: 'flash',
accept: {
title: 'Images',
extensions: 'gif,jpg,jpeg,bmp,png',
mimeTypes: 'image/*'
},
// 是否压缩图片, 默认如果是jpeg文件上传前会压缩，如果是false, 则图片在上传前不进行压缩
compress:{
// 压缩后的尺寸
width: 1000,
//height: 1000,
// 图片质量，只有type为image/jpeg的时候才有效。
quality: 80,
// 是否允许放大，如果想要生成小图的时候不失真，此选项应该设置为false
allowMagnify: false,
// 是否允许裁剪
crop: false,
// 是否保留头部meta信息
preserveHeaders: true,
// 如果发现压缩后文件大小比原来还大，则使用原来图片，此属性可能会影响图片自动纠正功能
noCompressIfLarger: false,
// 单位字节，如果图片大小小于此值，不会采用压缩
compressSize: 100 * 1024
},
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
disableGlobalDnd: true,
fileNumLimit: 300,
fileSizeLimit: 2000 * 1024 * 1024, // 200 M
fileSingleSizeLimit: 500 * 1024 * 1024 // 50 M
});
// 拖拽时不接受 js, txt 文件。
uploader.on( 'dndAccept', function( items ) {
var denied = false,
len = items.length,
i = 0,
// 修改js类型
unAllowed = 'text/plain;application/javascript ';
for ( ; i < len; i++ ) {
// 如果在列表里面
if ( ~unAllowed.indexOf( items[ i ].type ) ) {
denied = true;
break;
}
}
return !denied;
});
// uploader.on('filesQueued', function() {
// uploader.sort(function( a, b ) {
// if ( a.name < b.name )
// return -1;
// if ( a.name > b.name )
// return 1;
// return 0;
// });
// });
// 添加“添加文件”的按钮，
uploader.addButton({
id: '#filePicker2',
label: ''
});
// 添加“添加下一个”模型的按钮，
/*uploader.addButton({
id: '#addModel',
label: '添加下一个'
});*/
uploader.on('ready', function() {
window.uploader = uploader;
});
// 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 ) {
var img;
if ( error ) {
$wrap.text( '不能预览' );
return;
}
if( isSupportBase64 ) {
img = $('<img src="'+src+'">');
$wrap.empty().append( img );
} else {
$.ajax('../../server/preview.php', {
method: 'POST',
data: src,
dataType:'json'
}).done(function( response ) {
if (response.result) {
img = $('<img src="'+response.result+'">');
$wrap.empty().append( img );
} else {
$wrap.text("预览出错");
}
});
}
}, 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();
//获取删除后剩下的图片路径，
var imglist = ""; //定义一个空变量
var list = $(".filelist").children().each(function (index, element) {//遍历每个对象
imglist +=$(this).find('p.title').text();//往数组中存入值
});
console.log(imglist);
//更新文本域中的上传路径
$("#fileDiv").val(imglist);
}
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+ '文件，'+
stats.uploadFailNum + '文件上传失败，<a class="retry" href="#">重新上传</a>失败或<a class="ignore" href="#">忽略</a>'
}
} else {
stats = uploader.getStats();
text = '共' + fileCount + '个（' +
WebUploader.formatSize( fileSize ) +
'），已上传' + stats.successNum + '个';
if ( stats.uploadFailNum ) {
text += '，失败' + stats.uploadFailNum + '个';
}
}
$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' );
$queue.hide();
//$statusBar.addClass( 'element-invisible' );
uploader.refresh();
break;
case 'ready':
$placeHolder.addClass( 'element-invisible' );
$( '#filePicker2' ).removeClass( 'element-invisible');
$queue.show();
//$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':
$progress.hide();
//$( '#filePicker2' ).removeClass( 'element-invisible' );
$upload.text( '开始上传' );
/*$('#filePicker2 + .uploadBtn').click(function () {
window.location.reload();
});*/
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.on('uploadSuccess', function (file, response) {
if (response.code == 1) {
$( '#'+file.id ).find('p.title').text(response.message);
//上传成功追加到文本域
var imglist=$("#fileDiv").val();
$("#fileDiv").val(imglist + response.message);
}
});
uploader.onFileQueued = function( file ) {
fileCount++;
fileSize += file.size;
if ( fileCount === 1 ) {
//$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 );
var text = '';
switch( code ) {
case 'F_DUPLICATE' : text = '该文件已经被选择了!' ;
break;
case 'Q_EXCEED_NUM_LIMIT' : text = '上传文件数量超过限制!' ;
break;
case 'F_EXCEED_SIZE' : text = '文件大小超过限制!';
break;
case 'Q_EXCEED_SIZE_LIMIT' : text = '所有文件总大小超过限制!';
break;
case 'Q_TYPE_DENIED' : text = '文件类型不正确或者是空文件!';
break;
default : text = '未知错误!';
break;
}
alert( text );
};
$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();
});
})( jQuery );
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