先看效果图：
>从上面的3张图片就可以知道，我在模仿QQ空间上传相册图片的例子，原理就是，我在A页面添加图片所属的栏 目之后，可以上传N张图片，当我上传完N张图片之后，我的图片要在B页面给我显示出来，并且对每张图片进行 相应的信息填写。之后提交保存数据库....我用的图片上传组件是百度的Web Uploader，非常好用，界面美观，易操作。 接下来我就简单说说实现的原理，并把主要的代码粘贴出来。
imageUpdate.jsp页面 <body> <div class="page-container"> <form class="form form-horizontal" id="form-article-add"> <input type="hidden" id="channelId" name="channelId" value="${channelId}" /> <c:forEach items="${listResourceUrl}" var="a" varStatus="i"> <div style="width:420px;float:left;position:relative;padding-top:30px;padding-left:50px"> <img width="130px;" height="130px;" src="${listResourceUrl[i.index]}" style="position: relative;left:17%"> <div class="row cl"> <label class="form-label col-xs-4 col-sm-2">图片名称：</label> <div class="formControls "> <input type="text" class="input-text" style="width:150px;" value="" placeholder="" id="" name=""> </div> </div> <div class="row cl"> <label class="form-label col-xs-4 col-sm-2">图片描述：</label> <div class="formControls "> <textarea name="" cols="" rows="" class="textarea" style="width:150px;" placeholder="说点什么...最少输入10个字符" datatype="*10-100" dragonfly="true" nullmsg="备注不能为空！" onKeyUp="textarealength(this,200)"></textarea> </div> </div> </div> </c:forEach> <div class="row cl"> <div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-2"> <button style="position:relative;top:30px;margin-bottom:60px;left:40%;" class="btn btn-primary radius" type="submit"><i class="Hui-iconfont"></i> 保存并提交审核</button> </div> </div> </form> </div> <script type="text/javascript" src="<%=path %>/resources/lib/ueditor/1.4.3.3/third-party/webuploader/webuploader.min.js"></script> <script type="text/javascript" src="<%=path %>/resources/defaultScript/com.imageSave.js"></script> <script type="text/javascript" src="<%=path %>/resources/defaultScript/com.upload.js"></script> com.upload.js (function( $ ){ // 当domReady的时候开始初始化 $(function() { var $wrap = $('.uploader-list-container'), // 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({ pick: { id: '#filePicker-2', label: '点击选择图片' }, formData: { uid: 123 }, dnd: '#dndArea', paste: '#uploader', swf: '/resources/lib/ueditor/1.4.3.3/third-party/webuploader/Uploader.swf', chunked: false, auto: false, chunkSize: 512 * 1024, server: '/scms/image/uploadHeadPic',//上传的URL // runtimeOrder: 'flash', // accept: { // title: 'Images', // extensions: 'gif,jpg,jpeg,bmp,png', // mimeTypes: 'image/*' // }, // 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: 200 * 1024 * 1024, // 200 M fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M }); // 当有文件添加进来的时候 uploader.on( 'fileQueued', function( file ) { var $li = $( '<div id="' + file.id + '" class="file-item thumbnail">' + '<img>' + '<div class="info">' + file.name + '</div>' + '</div>' ), $img = $li.find('img'); // $list为容器jQuery实例 var $list = $("#fileList"); $list.append( $li ); var thumbnailWidth = 100; var thumbnailHeight = 100; // 创建缩略图 // 如果为非图片文件，可以不用调用此方法。 // thumbnailWidth x thumbnailHeight 为 100 x 100 uploader.makeThumb( file, function( error, src ) { if ( error ) { $img.replaceWith('<span>不能预览</span>'); return; } $img.attr( 'src', src ); }, thumbnailWidth, thumbnailHeight ); }); // 文件上传过程中创建进度条实时显示。 uploader.on( 'uploadProgress', function( file, percentage ) { var $li = $( '#'+file.id ), $percent = $li.find('.progress span'); // 避免重复创建 if ( !$percent.length ) { $percent = $('<p class="progress"><span></span></p>') .appendTo( $li ) .find('span'); } $percent.css( 'width', percentage * 100 + '%' ); }); resourceUrl = []; // 文件上传成功，给item添加成功class, 用样式标记上传成功。 uploader.on( 'uploadSuccess', function( file,response ) { resourceUrl.push(response.url); $("#resourceUrl").val(resourceUrl); }); // 文件上传失败，显示上传出错。 uploader.on( 'uploadError', function( file ) { var $li = $( '#'+file.id ), $error = $li.find('div.error'); // 避免重复创建 if ( !$error.length ) { $error = $('<div class="error"></div>').appendTo( $li ); } $error.text('上传失败'); }); // 完成上传完了，成功或者失败，先删除进度条。 uploader.on( 'uploadComplete', function( file ) { $( '#'+file.id ).find('.progress').remove(); }); // 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('dialogOpen', function() { console.log('here'); }); // 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: '继续添加' }); 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(); } 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.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' ); 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(); }); })( jQuery ); com.imageSave.js /** * @Author:张瑞 * @DateTime:2016-10-19 * @Description:添加 * @Version:1.0.0 */ function article_save(){ alert("刷新父级的时候会自动关闭弹层。"); window.parent.location.reload(); } $(function(){ $('.skin-minimal input').iCheck({ checkboxClass: 'icheckbox-blue', radioClass: 'iradio-blue', increaseArea: '20%' }); $list = $("#fileList"), $btn = $("#btn-star"), state = "pending", uploader; var uploader = WebUploader.create({ auto: true, swf: 'lib/webuploader/0.1.5/Uploader.swf', // 文件接收服务端。 server: 'http://lib.h-ui.net/webuploader/0.1.5/server/fileupload.php', // 选择文件的按钮。可选。 // 内部根据当前运行是创建，可能是input元素，也可能是flash. pick: '#filePicker', // 不压缩image, 默认如果是jpeg，文件上传前会压缩一把再上传！ resize: false, // 只允许选择图片文件。 accept: { title: 'Images', extensions: 'gif,jpg,jpeg,bmp,png', mimeTypes: 'image/*' } }); uploader.on( 'fileQueued', function( file ) { var $li = $( '<div id="' + file.id + '" class="item">' + '<div class="pic-box"><img></div>'+ '<div class="info">' + file.name + '</div>' + '<p class="state">等待上传...</p>'+ '</div>' ), $img = $li.find('img'); $list.append( $li ); // 创建缩略图 // 如果为非图片文件，可以不用调用此方法。 // thumbnailWidth x thumbnailHeight 为 100 x 100 uploader.makeThumb( file, function( error, src ) { if ( error ) { $img.replaceWith('<span>不能预览</span>'); return; } $img.attr( 'src', src ); }, thumbnailWidth, thumbnailHeight ); }); // 文件上传过程中创建进度条实时显示。 uploader.on( 'uploadProgress', function( file, percentage ) { var $li = $( '#'+file.id ), $percent = $li.find('.progress-box .sr-only'); // 避免重复创建 if ( !$percent.length ) { $percent = $('<div class="progress-box"><span class="progress-bar radius"><span class="sr-only" style="width:0%"></span></span></div>').appendTo( $li ).find('.sr-only'); } $li.find(".state").text("上传中"); $percent.css( 'width', percentage * 100 + '%' ); }); // 文件上传成功，给item添加成功class, 用样式标记上传成功。 uploader.on( 'uploadSuccess', function( file ) { $( '#'+file.id ).addClass('upload-state-success').find(".state").text("已上传"); }); // 文件上传失败，显示上传出错。 uploader.on( 'uploadError', function( file ) { $( '#'+file.id ).addClass('upload-state-error').find(".state").text("上传出错"); }); // 完成上传完了，成功或者失败，先删除进度条。 uploader.on( 'uploadComplete', function( file ) { $( '#'+file.id ).find('.progress-box').fadeOut(); }); uploader.on('all', function (type) { if (type === 'startUpload') { state = 'uploading'; } else if (type === 'stopUpload') { state = 'paused'; } else if (type === 'uploadFinished') { state = 'done'; } if (state === 'uploading') { $btn.text('暂停上传'); } else { $btn.text('开始上传'); } }); $btn.on('click', function () { if (state === 'uploading') { uploader.stop(); } else { uploader.upload(); } }); }); (function( $ ){ // 当domReady的时候开始初始化 $(function() { var $wrap = $('.uploader-list-container'), // 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({ pick: { id: '#filePicker-2', label: '点击选择图片' }, formData: { uid: 123 }, dnd: '#dndArea', paste: '#uploader', swf: 'lib/webuploader/0.1.5/Uploader.swf', chunked: false, chunkSize: 512 * 1024, server: 'http://lib.h-ui.net/webuploader/0.1.5/server/fileupload.php', // runtimeOrder: 'flash', // accept: { // title: 'Images', // extensions: 'gif,jpg,jpeg,bmp,png', // mimeTypes: 'image/*' // }, // 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: 200 * 1024 * 1024, // 200 M fileSingleSizeLimit: 50 * 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('dialogOpen', function() { console.log('here'); }); // 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: '继续添加' }); 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('lib/webuploader/0.1.5/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(); } 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.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' ); 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(); }); })( jQuery ); webuploader.min.js 网上自己下载 后台主要代码： /** * 新增图片分类 * @return */ @RequestMapping(value="/imageSave",method=RequestMethod.GET) public String imageSave(Model model){ //TODO //注意：这里要根据title='图片管理'来查询出父id，这里就先固定，后面修改。 model.addAttribute("imageCategoryChannel",this.channelService.listChannelByParent(20)); model.addAttribute("fileEntity", new FileEntity()); return "image/imageSave"; } /** * 新增图片分类,返回列表 * @return */ @RequestMapping(value="/imageSave",method=RequestMethod.POST) public String imageSave(FileEntity fileEntity,RedirectAttributes redirectAttributes){ String [] listResourceUrl = fileEntity.getResourceUrl().split(","); redirectAttributes.addFlashAttribute("channelId", fileEntity.getChannelId()); redirectAttributes.addFlashAttribute("listResourceUrl", listResourceUrl); return "redirect:/image/imageUpdate"; } @RequestMapping("/uploadHeadPic") @ResponseBody public String uploadHeadPic(@RequestParam("file")MultipartFile[] files,HttpSession session,HttpServletRequest request,HttpServletResponse response){ String dateStr = new SimpleDateFormat("yyyyMMdd").format(new Date()); String destDir = "/upload/user/" + dateStr +"/"; String saveName = null; String path = request.getContextPath(); try { String[] fileNames = new String[files.length]; // System.out.println(files.length); int index = 0; for (MultipartFile file : files) { // 判断文件的MIMEtype if (file != null) { String type = file.getContentType(); if (type == null || !FileUploadUtil.allowUpload(type)) throw new Exception("请上传允许格式的文件"); System.out.println("type=" + type); } String fileName = FileUploadUtil.rename(file.getOriginalFilename()); int end = fileName.lastIndexOf("."); saveName = fileName.substring(0, end); String realPath = request.getSession().getServletContext().getRealPath("/"); File destFile = new File(realPath+destDir); if(!destFile.exists()){ destFile.mkdirs(); } File f = new File(destFile,saveName + "_src.jpg"); file.transferTo(f); f.createNewFile(); fileNames[index++] =path+destDir+saveName + "_src.jpg"; } } catch (Exception e) { e.printStackTrace(); } return JSON.toJSONString(new Result(request.getSession() .getServletContext().getContextPath() +destDir+saveName+ "_src.jpg", "上传成功!",null)); } protected class Result { private String url; private String msg; private String uuid; public String getUuid() { return uuid; } public String getUrl() { return url; } public String getMsg() { return msg; } public Result(String url, String msg, String uuid) { super(); this.url = url; this.msg = msg; this.uuid = uuid; } } imageSave.jsp 需要webuploader.css <body> <div class="page-container"> <sf:form class="form form-horizontal" id="form-article-add" modelAttribute="fileEntity" action="imageSave"> <div class="row cl"> <label class="form-label col-xs-4 col-sm-2"><span class="c-red">*</span>分类栏目：</label> <div class="formControls col-xs-8 col-sm-9"> <span class="select-box"> <select name="" class="select"> <option value="0">选择类别</option> <c:forEach items="${imageCategoryChannel }" var="imageCategory"> <option value="${imageCategory.id }">${imageCategory.title }</option> </c:forEach> </select> <input type="hidden" id="channelId" name="channelId" value="0" /> </span> </div> </div> <div class="row cl"> <label class="form-label col-xs-4 col-sm-2">图片上传：</label> <div class="formControls col-xs-8 col-sm-9"> <div class="uploader-list-container"> <div class="queueList"> <div id="dndArea" class="placeholder"> <div id="filePicker"></div> <div id="filePicker-2"></div> <p>或将照片拖到这里，单次最多可选300张</p> </div> </div> <input type="hidden" id="resourceUrl" name="resourceUrl" value="0" /> <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 class="row cl"> <div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-2"> <button class="btn btn-primary radius" type="submit"><i class="Hui-iconfont"></i> 保存并提交审核</button> </div> </div> </sf:form> </div> </body> <script type="text/javascript" src="<%=path %>/resources/lib/ueditor/1.4.3.3/third-party/webuploader/webuploader.min.js"></script> <script type="text/javascript" src="<%=path %>/resources/defaultScript/com.upload.js"></script>代码虽然不完整，但是主要代码和思路已经重点标注出来了，读者可以去webuploder官网下载一个Demo来看，再按照我贴出来的代码，就可以实现我上述所说功能….
