为可拖动小部件创建目标。
有关交互的更多详细信息,请参阅有关可放置小部件的 API 文档 ( )。
默认功能
在任意 DOM 元素上启用功能并为可拖动小部件创建目标。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 默认功能 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> #draggable { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; } #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; } cript> $(function() { $( "#draggable" ).draggable(); $( "#droppable" ).droppable({ drop: function( event, ui ) { $( this ) .addClass( "ui-state-highlight" ) .find( "p" ) .html( "Dropped!" ); } }); });cript>
接受
使用选项指定目标接受哪个元素(或元素组)。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 接受 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; } #draggable, #draggable-nonvalid { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; } cript> $(function() { $( "#draggable, #draggable-nonvalid" ).draggable(); $( "#droppable" ).droppable({ accept: "#draggable", activeClass: "ui-state-hover", hoverClass: "ui-state-active", drop: function( event, ui ) { $( this ) .addClass( "ui-state-highlight" ) .find( "p" ) .html( "Dropped!" ); } }); });cript>
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防止传播
使用嵌套时(例如,您可以拥有一个包含文件夹和文档节点的树状可编辑目录结构),该选项设置为 true 以防止放置在子节点 ( ) 上时发生事件传播。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 防止传播 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> #draggable { width: 100px; height: 40px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; } #droppable, #droppable2 { width: 230px; height: 120px; padding: 0.5em; float: left; margin: 10px; } #droppable-inner, #droppable2-inner { width: 170px; height: 60px; padding: 0.5em; float: left; margin: 10px; } cript> $(function() { $( "#draggable" ).draggable(); $( "#droppable, #droppable-inner" ).droppable({ activeClass: "ui-state-hover", hoverClass: "ui-state-active", drop: function( event, ui ) { $( this ) .addClass( "ui-state-highlight" ) .find( "> p" ) .html( "Dropped!" ); return false; } }); $( "#droppable2, #droppable2-inner" ).droppable({ greedy: true, activeClass: "ui-state-hover", hoverClass: "ui-state-active", drop: function( event, ui ) { $( this ) .addClass( "ui-state-highlight" ) .find( "> p" ) .html( "Dropped!" ); } }); });cript>
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恢复位置
当使用布尔选项停止拖动时,返回(或其助手)到原始位置。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 还原 draggable 的位置 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> #draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; } #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; } cript> $(function() { $( "#draggable" ).draggable({ revert: "valid" }); $( "#draggable2" ).draggable({ revert: "invalid" }); $( "#droppable" ).droppable({ activeClass: "ui-state-default", hoverClass: "ui-state-hover", drop: function( event, ui ) { $( this ) .addClass( "ui-state-highlight" ) .find( "p" ) .html( "已放置!" ); } }); });cript>
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购物车演示
演示如何使用手风琴显示产品的目录结构,使用拖放将产品添加到购物车,并对购物车中的产品进行排序。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 购物车演示 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> h1 { padding: .2em; margin: 0; } #products { float:left; width: 500px; margin-right: 2em; } #cart { width: 200px; float: left; margin-top: 1em; } #cart ol { margin: 0; padding: 1em 0 1em 3em; } cript> $(function() { $( "#catalog" ).accordion(); $( "#catalog li" ).draggable({ appendTo: "body", helper: "clone" }); $( "#cart ol" ).droppable({ activeClass: "ui-state-default", hoverClass: "ui-state-hover", accept: ":not(.ui-sortable-helper)", drop: function( event, ui ) { $( this ).find( ".placeholder" ).remove(); $( "" ).text( ui.draggable.text() ).appendTo( this ); } }).sortable({ items: "li:not(.placeholder)", sort: function() { // 获取由 droppable 与 sortable 交互而加入的条目 // 使用 connectWithSortable 可以解决这个问题,但不允许您自定义 active/hoverClass 选项 $( this ).removeClass( "ui-state-default" ); } }); });cript>产品
购物车
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简单的照片管理器
您可以通过将照片拖到回收站或单击回收站图标来删除照片。
您可以通过将照片拖到相册或单击回收图标来恢复照片。
您可以通过单击缩放图标查看更大的图像。 () 小部件用于模式窗口。
ta charset="utf-8"> jQuery UI 放置(Droppable) - 简单的照片管理器 ink rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> cript src="//code.jquery.com/jquery-1.9.1.js">cript>cript src="//code.jquery.com/ui/1.10.4/jquery-ui.js">cript>ink rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> #gallery { float: left; width: 65%; min-height: 12em; } .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%; } #trash h4 { line-height: 16px; margin: 0 0 0.4em; } #trash h4 .ui-icon { float: left; } #trash .gallery h5 { display: none; } cript> $(function() { // 这是相册和回收站 var $gallery = $( "#gallery" ), $trash = $( "#trash" ); // 让相册的条目可拖拽 $( "li", $gallery ).draggable({ cancel: "a.ui-icon", // 点击一个图标不会启动拖拽 revert: "invalid", // 当未被放置时,条目会还原回它的初始位置 containment: "document", helper: "clone", cursor: "move" }); // 让回收站可放置,接受相册的条目 $trash.droppable({ accept: "#gallery > li", activeClass: "ui-state-highlight", drop: function( event, ui ) { deleteImage( ui.draggable ); } }); // 让相册可放置,接受回收站的条目 $gallery.droppable({ accept: "#trash li", activeClass: "custom-state-active", drop: function( event, ui ) { recycleImage( ui.draggable ); } }); // 图像删除功能 var recycle_icon = "还原图像"; function deleteImage( $item ) { $item.fadeOut(function() { var $list = $( "ul", $trash ).length ? $( "ul", $trash ) : $( "cript>" ).appendTo( $trash ); $item.find( "a.ui-icon-trash" ).remove(); $item.append( recycle_icon ).appendTo( $list ).fadeIn(function() { $item .animate({ width: "48px" }) .find( "img" ) .animate({ height: "36px" }); }); }); } // 图像还原功能 var trash_icon = "删除图像"; function recycleImage( $item ) { $item.fadeOut(function() { $item .find( "a.ui-icon-refresh" ) .remove() .end() .css( "width", "96px") .append( trash_icon ) .find( "img" ) .css( "height", "72px" ) .end() .appendTo( $gallery ) .fadeIn(); }); } // 图像预览功能,演示 ui.dialog 作为模态窗口使用 function viewLargerImage( $link ) { var src = $link.attr( "href" ), title = $link.siblings( "img" ).attr( "alt" ), $modal = $( "img[src$='" + src + "']" ); if ( $modal.length ) { $modal.dialog( "open" ); } else { var img = $( "" ) .attr( "src", src ).appendTo( "body" ); setTimeout(function() { img.dialog({ title: title, width: 400, modal: true }); }, 1 ); } } // 通过事件代理解决图标行为 $( "ul.gallery > li" ).click(function( event ) { var $item = $( this ), $target = $( event.target ); 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; }); });
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