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/ 旋转器(Spinner)
旋转器(Spinner)
通过向上/向下按钮和箭头键处理,为输入数值增强文本输入功能。
如需了解更多有关 spinner 部件的细节,请查看 API 文档 旋转器部件(Spinner Widget)。
默认功能
默认的旋转器。
实例
<!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="http://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>
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货币
本实例是一个捐款表格,带有货币选择和数量旋转器。
实例
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 货币</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="/static/js/jqueryui/resources/demos/external/globalize.js"></script> <script src="/static/js/jqueryui/resources/demos/external/globalize.culture.de-DE.js"></script> <script src="/static/js/jqueryui/resources/demos/external/globalize.culture.ja-JP.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"> <script> $(function() { $( "#currency" ).change(function() { $( "#spinner" ).spinner( "option", "culture", $( this ).val() ); }); $( "#spinner" ).spinner({ min: 5, max: 2500, step: 25, start: 1000, numberFormat: "C" }); }); </script> </head> <body> <p> <label for="currency">要捐款的货币</label> <select id="currency" name="currency"> <option value="en-US">US $</option> <option value="de-DE">EUR €</option> <option value="ja-JP">YEN ¥</option> </select> </p> <p> <label for="spinner">要捐款的数量:</label> <input id="spinner" name="spinner" value="5"> </p> </body> </html>
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小数
本实例是一个小数旋转器。增量设置为 0.01。处理文化变化的代码会读取当前的选择器的值,当改变文化时,会基于新的文化重新设置值的样式。
实例
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 小数</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="/static/js/jqueryui/resources/demos/external/globalize.js"></script> <script src="/static/js/jqueryui/resources/demos/external/globalize.culture.de-DE.js"></script> <script src="/static/js/jqueryui/resources/demos/external/globalize.culture.ja-JP.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"> <script> $(function() { $( "#spinner" ).spinner({ step: 0.01, numberFormat: "n" }); $( "#culture" ).change(function() { var current = $( "#spinner" ).spinner( "value" ); Globalize.culture( $(this).val() ); $( "#spinner" ).spinner( "value", current ); }); }); </script> </head> <body> <p> <label for="spinner">小数旋转器:</label> <input id="spinner" name="spinner" value="5.06"> </p> <p> <label for="culture">选择一种用于格式化的文化:</label> <select id="culture"> <option value="en-EN" selected="selected">English</option> <option value="de-DE">German</option> <option value="ja-JP">Japanese</option> </select> </p> </body> </html>
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地图
谷歌地图集成,使用旋转器来改变纬度和经度。
实例
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 地图</title> <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css"> <script src="http://maps.google.com/maps/api/js?sensor=false"></script> <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="http://jqueryui.com/resources/demos/style.css"> <script> $(function() { function latlong() { return new google.maps.LatLng( $("#lat").val(), $("#lng").val() ); } function position() { map.setCenter( latlong() ); } $( "#lat, #lng" ).spinner({ step: .001, change: position, stop: position }); var map = new google.maps.Map( $("#map")[0], { zoom: 8, center: latlong(), mapTypeId: google.maps.MapTypeId.ROADMAP }); }); </script> <style> #map { width:500px; height:500px; } </style> </head> <body> <label for="lat">纬度</label> <input id="lat" name="lat" value="44.797"> <br> <label for="lng">经度</label> <input id="lng" name="lng" value="-93.278"> <div id="map"></div> </body> </html>
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溢出
溢出旋转器限制范围从 -10 到 10。对于 10 以上的值,会溢出到 -10,反之亦然。
实例
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 溢出</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="http://jqueryui.com/resources/demos/style.css"> <script> $(function() { $( "#spinner" ).spinner({ spin: function( event, ui ) { if ( ui.value > 10 ) { $( this ).spinner( "value", -10 ); return false; } else if ( ui.value < -10 ) { $( this ).spinner( "value", 10 ); return false; } } }); }); </script> </head> <body> <p> <label for="spinner">选择一个值:</label> <input id="spinner" name="value"> </p> </body> </html>
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时间
一个扩展自旋转器的自定义部件。使用 全球化(Globalization)插件来解析和输出时间戳,带有自定义的 step 和 page 选项。向上/向下光标用于分钟的递增/递减,向上/向下翻页用于小时的递增/递减。
实例
<!doctype html> <html> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 时间</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="/static/js/jqueryui/resources/demos/external/globalize.js"></script> <script src="/static/js/jqueryui/resources/demos/external/globalize.culture.de-DE.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"> <script> $.widget( "ui.timespinner", $.ui.spinner, { options: { // 秒 step: 60 * 1000, // 小时 page: 60 }, _parse: function( value ) { if ( typeof value === "string" ) { // 已经是一个时间戳 if ( Number( value ) == value ) { return Number( value ); } return +Globalize.parseDate( value ); } return value; }, _format: function( value ) { return Globalize.format( new Date(value), "t" ); } }); $(function() { $( "#spinner" ).timespinner(); $( "#culture" ).change(function() { var current = $( "#spinner" ).timespinner( "value" ); Globalize.culture( $(this).val() ); $( "#spinner" ).timespinner( "value", current ); }); }); </script> </head> <body> <p> <label for="spinner">时间旋转器:</label> <input id="spinner" name="spinner" value="08:30 PM"> </p> <p> <label for="culture">选择一种用于格式化的文化:</label> <select id="culture"> <option value="en-EN" selected="selected">English</option> <option value="de-DE">German</option> </select> </p> </body> </html>
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