该效果为官方提供,本人只是进行了一下翻译,加了些详细注释供大家参考,对大家有帮助就ok了,如有解释错误谢谢提出。
以下是需要引入的一些文件,如果没有您可以通过给定的地址进行下载,谢谢:
jquery-1.7.1.min.js http://jqueryui.com/
jquery-ui-1.8.18.custom.min.js http://jqueryui.com/download
jquery.ui.datepicker-zh-CN.js 该文件在下载好的第二个文件的该目录下: jquery-ui-1.8.18.custom\development-bundle\ui\i18n\
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Droppable - Simple photo manager</title> <!--引入jquery类库文件 必须要有顺序--> <script type="text/javascript" language="javascript" src="./js/jquery-1.7.1.min.js"></script> <script type="text/javascript" language="javascript" src="./js/jquery-ui-1.8.18.custom.min.js"></script> <!--css--> <link type="text/css" rel="stylesheet" href="./css/ui-lightness/jquery-ui-1.8.18.custom.css" /> <style> #gallery { float: left; width: 65%; min-height: 12em; } * html #gallery { height: 12em; } /* IE6 */ .gallery.custom-state-active { background: #eee; } .gallery li { float: left; width: 96px; padding: 0.4em; margin: 0 0.4em 0.4em 0; text-align: center; } .gallery li h5 { margin: 0 0 0.4em; cursor: move; } .gallery li a { float: right; } .gallery li a.ui-icon-zoomin { float: left; } .gallery li img { width: 100%; cursor: move; } #trash { float: right; width: 32%; min-height: 18em; padding: 1%;} * html #trash { height: 18em; } /* IE6 */ #trash h4 { line-height: 16px; margin: 0 0 0.4em; } #trash h4 .ui-icon { float: left; } #trash .gallery h5 { display: none; } </style> <script> $(function() { // 获取相册ul的id转换为jquery对象 var $gallery = $( "#gallery" ), // 获取垃圾箱的id转换为jquery对象 $trash = $( "#trash" ); // 实现相册(li)的可拖拽效果 $( "li", $gallery ).draggable({ //点击图片不能被触发 cancel: "a.ui-icon", //当不被拖拽时图片会自动的返回到原来的位置,(除非到了垃圾箱中则不会被返回) revert: "invalid", //设置相册可被拖拽到的区域,可以是指定某个元素内,也可以是document,parent containment: $( "#demo-frame" ).length ? "#demo-frame" : "document", //设置图片可以被克隆 helper: "clone", //当鼠标放上去的时候鼠标变为移动的样式 cursor: "move", //设置相册被拖拽时的透明度 opacity:0.6 }); //设置该垃圾箱为一个可放置的区域,用来接收相册(li) $trash.droppable({ //设置允许接收的内容为指定的内容 accept: "#gallery > li", //当接收的对象在被拖拽时,设置该垃圾箱的css样式 activeClass: "ui-state-highlight", //当被拖拽目标完全进入指定的容器内内部时触发的函数(经过测试该完全进入是指被拖拽目标的1/2进入指定区域即可) drop: function( event, ui ) { //调用删除事件,删除被拖拽对象原始位置的图像 deleteImage( ui.draggable ); } }); //设置相册也为为一个可放置的区域,用来接收相册垃圾箱中的被回收的相册(可直接拖拽) $gallery.droppable({ //设置该地点所能被允许放置的内容为垃圾箱中的相册(li) accept: "#trash li", //当接收的对象在被拖拽时,设置相册的css样式 activeClass: "custom-state-active", //当被拖拽目标完全进入指定的容器内内部时触发的函数(经过测试该完全进入是指被拖拽目标的1/2进入指定区域即可) drop: function( event, ui ) { //当相册从垃圾箱被拖出到指定区域时调用该函数,把被拖拽元素的对象传过去 recycleImage( ui.draggable ); } }); //创建一个还原图标 var recycle_icon = "<a href='link/to/recycle/script/when/we/have/js/off' title='Recycle this image' class='ui-icon ui-icon-refresh'>Recycle image</a>"; //删除相册的函数,接收一个被删除的元素(li)对象 function deleteImage( $item ) { //给该图片加上淡出效果,并添加到垃圾箱中 $item.fadeOut(function() { //查找该垃圾箱(div)是否有ul,如果有则不需要在创建 var $list = $( "ul", $trash ).length ? $( "ul", $trash ) : $( "<ul class='gallery ui-helper-reset'/>" ).appendTo( $trash ); //将放入回收站的图片的删除按钮去掉 $item.find( "a.ui-icon-trash" ).remove(); //将删除图标的位置改变为还原的图标,添加到回收站中,并向内淡入,同时改变li宽度大小为48,图片宽度大小为36 $item.append( recycle_icon ).appendTo( $list ).fadeIn(function() { $item .animate({ width: "48px" }) .find( "img" ) .animate({ height: "36px" }); }); }); } // 创建一个删除图标 var trash_icon = "<a href='link/to/trash/script/when/we/have/js/off' title='Delete this image' class='ui-icon ui-icon-trash'>Delete image</a>"; //该函数的作用是,还原垃圾箱中的被删除的相册,接收的参数是一个该li元素对象 function recycleImage( $item ) { //将该li加上淡出效果 $item.fadeOut(function() { $item //查找刷新按钮并删除, .find( "a.ui-icon-refresh" ) .remove() //回到最近的一个"破坏性"操作之前。即,将匹配的元素列表变为前一次的状态。 .end() //改变li的大小为96 .css( "width", "96px") //添加删除图标 .append( trash_icon ) //将该li下的img的高度设置为72 .find( "img" ) .css( "height", "72px" ) //回到最近的一个"破坏性"操作之前。即,将匹配的元素列表变为前一次的状态。 .end() //并同时添加到ul相框中 .appendTo( $gallery ) //加上淡入的效果,只要是显示函数就可以,比如show .fadeIn(); }); } //图片显示函数(放大图片),弹出一个对话框作为窗口 function viewLargerImage( $link ) { var src = $link.attr( "href" ), title = $link.siblings( "img" ).attr( "alt" ), //在页面中查找img标签中src属性以src结尾的图片 $modal = $( "img[src$='" + src + "']" ); if ( $modal.length ) { //如果该图片有就直接打开一个对话框,否则要创建该图片 $modal.dialog( "open" ); } else { //创建一个img元素 var img = $( "<img alt='" + title + "' width='384' height='288' style='display: none; padding: 8px;' />" ) //设置图片的地址 .attr( "src", src ).appendTo( "body" ); setTimeout(function() { img.dialog({ title: title, width: 400, //产生遮罩效果 modal: true }); }, 1 ); } } // 解决图标的行为,并加上相应的事件 $( "ul.gallery > li" ).click(function( event ) { //$item保存的是某个li var $item = $( this ); //$target保存的是具体到点击的图标 $target = $( event.target ); //alert(event.html()); //根据该$target所代表 if ( $target.is( "a.ui-icon-trash" ) ) { deleteImage( $item ); } else if ( $target.is( "a.ui-icon-zoomin" ) ) { viewLargerImage( $target ); } else if ( $target.is( "a.ui-icon-refresh" ) ) { recycleImage( $item ); } return false; }); }); //注意:垃圾箱中的ul和相册中的ul的id都必须是一样的! //如果要增加一个相册图片只需要增加一个相同的li就好了,只需修改以下图片的名字就好了,并且图片必须是一样两张,high_tatras.jpg high_tatras_min.jpg </script> </head> <body> <div class="demo ui-widget ui-helper-clearfix"> <ul id="gallery" class="gallery ui-helper-reset ui-helper-clearfix"> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras</h5> <img src="images/high_tatras_min.jpg" alt="The peaks of High Tatras" width="96" height="72" /> <a href="images/high_tatras.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 2</h5> <img src="images/high_tatras2_min.jpg" alt="The chalet at the Green mountain lake" width="96" height="72" /> <a href="images/high_tatras2.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 3</h5> <img src="images/high_tatras3_min.jpg" alt="Planning the ascent" width="96" height="72" /> <a href="images/high_tatras3.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 4</h5> <img src="images/high_tatras4_min.jpg" alt="On top of Kozi kopka" width="96" height="72" /> <a href="images/high_tatras4.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 4</h5> <img src="images/high_tatras5_min.jpg" alt="On top of Kozi kopka" width="96" height="72" /> <a href="images/high_tatras5.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 4</h5> <img src="images/high_tatras6_min.jpg" alt="On top of Kozi kopka" width="96" height="72" /> <a href="images/high_tatras6.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a> <a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a> </li> </ul> <div id="trash" class="ui-widget-content ui-state-default"> <h4 class="ui-widget-header"><span class="ui-icon ui-icon-trash">Trash</span> Trash</h4> </div> </div><!-- End demo --> <div class="demo-description"> <p>You can delete an image either by dragging it to the Trash or by clicking the trash icon.</p> <p>You can "recycle" an image by dragging it back to the gallery or by clicking the recycle icon.</p> <p>You can view larger image by clicking the zoom icon. jQuery UI dialog widget is used for the modal window.</p> </div><!-- End demo-description --> </body> </html>
图片的结构图:
项目效果图: