放置(Droppable) - 还原 draggable 的位置
当带有布尔值 revert
选项的 draggable 停止拖拽时,返回 draggable(或它的助手)到原始位置。
源代码
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 放置(Droppable) - 还原 draggable 的位置</title> <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> <script src="//code.jquery.com/jquery-1.9.1.js"></script> <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script> <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> <style> #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; } </style> <script> $(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!" ); } }); }); </script> </head> <body> <div id="draggable" class="ui-widget-content"> <p>当被放置在目标上时还原</p> </div> <div id="draggable2" class="ui-widget-content"> <p>当未被放置在目标上时还原</p> </div> <div id="droppable" class="ui-widget-header"> <p>请放置在这里</p> </div> </body> </html>