拖动(Draggable) - 自动滚动
当 draggable 移动到视区外时自动滚动文档。设置 scroll
选项为 true 来启用自动滚动,当滚动触发时进行微调,滚动速度是通过 scrollSensitivity
和 scrollSpeed
选项设置的。
源代码
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 拖动(Draggable) - 自动滚动</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, #draggable3 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 0 10px 10px 0; } </style> <script> $(function() { $( "#draggable" ).draggable({ scroll: true }); $( "#draggable2" ).draggable({ scroll: true, scrollSensitivity: 100 }); $( "#draggable3" ).draggable({ scroll: true, scrollSpeed: 100 }); }); </script> </head> <body> <div id="draggable" class="ui-widget-content"> <p>Scroll 设置为 true,默认设置</p> </div> <div id="draggable2" class="ui-widget-content"> <p>scrollSensitivity 设置为 100</p> </div> <div id="draggable3" class="ui-widget-content"> <p>scrollSpeed 设置为 100</p> </div> <div style="height: 5000px; width: 1px;"></div> </body> </html>