jQuery UI 实例 – 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。
<!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 name=\"value\">
</p>
<p>
<button>切换禁用/启用</button>
<button>切换部件</button>
</p>
<p>
<button>获取值</button>
<button>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 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 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 name=\"spinner\" value=\"5.06\">
</p>
<p>
<label for=\"culture\">选择一种用于格式化的文化:</label>
<select>
<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 name=\"lat\" value=\"44.797\">
<br>
<label for=\"lng\">经度</label>
<input name=\"lng\" value=\"-93.278\">
<div></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 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 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>
<option value=\"en-EN\" selected=\"selected\">English</option>
<option value=\"de-DE\">German</option>
</select>
</p>
</body>
</html>
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