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。
- <!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>
货币
本实例是一个捐款表格,带有货币选择和数量旋转器。
- <!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>
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。
- <!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>
地图
谷歌地图集成,使用旋转器来改变纬度和经度。
- <!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>
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。
- <!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>
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。
- <!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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