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源代码
在线运行
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器（Spinner） - 默认功能</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="/static/js/jqueryui/resources/demos/external/jquery.mousewheel.js"></script> <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script> <link rel="stylesheet" href="https://jqueryui.com/resources/demos/style.css"> <script> $(function() { var spinner = $( "#spinner" ).spinner(); $( "#disable" ).click(function() { if ( spinner.spinner( "option", "disabled" ) ) { spinner.spinner( "enable" ); } else { spinner.spinner( "disable" ); } }); $( "#destroy" ).click(function() { if ( spinner.data( "ui-spinner" ) ) { spinner.spinner( "destroy" ); } else { spinner.spinner(); } }); $( "#getvalue" ).click(function() { alert( spinner.spinner( "value" ) ); }); $( "#setvalue" ).click(function() { spinner.spinner( "value", 5 ); }); $( "button" ).button(); }); </script> </head> <body> <p> <label for="spinner">选择一个值：</label> <input id="spinner" name="value"> </p> <p> <button id="disable">切换禁用/启用</button> <button id="destroy">切换部件</button> </p> <p> <button id="getvalue">获取值</button> <button id="setvalue">设置值为 5</button> </p> </body> </html>
动行结果
