源代码:
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 定位（Position） - 默认功能</title> <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css"> <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script> <link rel="stylesheet" href="jqueryui/style.css"> <style> #parent { width: 60%; height: 40px; margin: 10px auto; padding: 5px; border: 1px solid #777; background-color: #fbca93; text-align: center; } .positionable { position: absolute; display: block; right: 0; bottom: 0; background-color: #bcd5e6; text-align: center; } #positionable1 { width: 75px; height: 75px; } #positionable2 { width: 120px; height: 40px; } select, input { margin-left: 15px; } </style> <script> $(function() { function position() { $( ".positionable" ).position({ of: $( "#parent" ), my: $( "#my_horizontal" ).val() + " " + $( "#my_vertical" ).val(), at: $( "#at_horizontal" ).val() + " " + $( "#at_vertical" ).val(), collision: $( "#collision_horizontal" ).val() + " " + $( "#collision_vertical" ).val() }); } $( ".positionable" ).css( "opacity", 0.5 ); $( "select, input" ).bind( "click keyup change", position ); $( "#parent" ).draggable({ drag: position }); position(); }); </script> </head> <body> <div id="parent"> <p> 这是父元素的位置。 </p> </div> <div class="positionable" id="positionable1"> <p> to position </p> </div> <div class="positionable" id="positionable2"> <p> to position 2 </p> </div> <div style="padding: 20px; margin-top: 75px;"> 定位... <div style="padding-bottom: 20px;"> <b>my:</b> <select id="my_horizontal"> <option value="left">left</option> <option value="center">center</option> <option value="right">right</option> </select> <select id="my_vertical"> <option value="top">top</option> <option value="center">center</option> <option value="bottom">bottom</option> </select> </div> <div style="padding-bottom: 20px;"> <b>at:</b> <select id="at_horizontal"> <option value="left">left</option> <option value="center">center</option> <option value="right">right</option> </select> <select id="at_vertical"> <option value="top">top</option> <option value="center">center</option> <option value="bottom">bottom</option> </select> </div> <div style="padding-bottom: 20px;"> <b>collision:</b> <select id="collision_horizontal"> <option value="flip">flip</option> <option value="fit">fit</option> <option value="flipfit">flipfit</option> <option value="none">none</option> </select> <select id="collision_vertical"> <option value="flip">flip</option> <option value="fit">fit</option> <option value="flipfit">flipfit</option> <option value="none">none</option> </select> </div> </div> </body> </html>
运行结果：