jQuery UI 实例 – 特效（Effect）
jQuery UI 实例 - 特效（Effect）
jQuery UI特效（Effect）可以对一个元素添加动画特效。
如需了解更多有关.effect()方法的细节，请查看API文档.effect()。
.effect() 演示
点击按钮预览特效。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 特效 - .effect() 演示</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>
.toggler { width: 500px; height: 200px; position: relative; }
#button { padding: .5em 1em; text-decoration: none; }
#effect { width: 240px; height: 135px; padding: 0.4em; position: relative; }
#effect h3 { margin: 0; padding: 0.4em; text-align: center; }
.ui-effects-transfer { border: 2px dotted gray; }
</style>
<script>
$(function() {
// 运行当前选中的特效
function runEffect() {
// 从中获取特效类型
var selectedEffect = $( "#effectTypes" ).val();
// 大多数的特效类型默认不需要传递选项
var options = {};
// 一些特效带有必需的参数
if ( selectedEffect === "scale" ) {
options = { percent: 0 };
} else if ( selectedEffect === "transfer" ) {
options = { to: "#button", className: "ui-effects-transfer" };
} else if ( selectedEffect === "size" ) {
options = { to: { width: 200, height: 60 } };
}
// 运行特效
$( "#effect" ).effect( selectedEffect, options, 500, callback );
};
// 回调函数
function callback() {
setTimeout(function() {
$( "#effect" ).removeAttr( "style" ).hide().fadeIn();
}, 1000 );
};
// 根据选择菜单值设置特效
$( "#button" ).click(function() {
runEffect();
return false;
});
});
</script>
</head>
<body>
<div class="toggler">
<div id="effect" class="ui-widget-content ui-corner-all">
<h3 class="ui-widget-header ui-corner-all">特效（Effect）</h3>
<p>
Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede. Nulla lorem metus, adipiscing ut, luctus sed, hendrerit vitae, mi.
</p>
</div>
</div>
<select name="effects" id="effectTypes">
<option value="blind">百叶窗特效（Blind Effect）</option>
<option value="bounce">反弹特效（Bounce Effect）</option>
<option value="clip">剪辑特效（Clip Effect）</option>
<option value="drop">降落特效（Drop Effect）</option>
<option value="explode">爆炸特效（Explode Effect）</option>
<option value="fade">淡入淡出特效（Fade Effect）</option>
<option value="fold">折叠特效（Fold Effect）</option>
<option value="highlight">突出特效（Highlight Effect）</option>
<option value="puff">膨胀特效（Puff Effect）</option>
<option value="pulsate">跳动特效（Pulsate Effect）</option>
<option value="scale">缩放特效（Scale Effect）</option>
<option value="shake">震动特效（Shake Effect）</option>
<option value="size">尺寸特效（Size Effect）</option>
<option value="slide">滑动特效（Slide Effect）</option>
<option value="transfer">转移特效（Transfer Effect）</option>
</select>
<a href="#" id="button" class="ui-state-default ui-corner-all">运行特效</a>
</body>
</html>Easing 演示
本实例使用HTML Canvas元素，绘制了jQuery UI提供的所有easings。点击每个图可查看该easing的行为。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 特效 - Easing 演示</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>
.graph {
float: left;
margin-left: 10px;
}
</style>
<script>
$(function() {
if ( !$( "<canvas>" )[0].getContext ) {
$( "<div>" ).text(
"您的浏览器不支持 canvas，本演示需要在支持 canvas 的浏览器下进行。"
).appendTo( "#graphs" );
return;
}
var i = 0,
width = 100,
height = 100;
$.each( $.easing, function( name, impl ) {
var graph = $( "<div>" ).addClass( "graph" ).appendTo( "#graphs" ),
text = $( "<div>" ).text( ++i + ". " + name ).appendTo( graph ),
wrap = $( "<div>" ).appendTo( graph ).css( 'overflow', 'hidden' ),
canvas = $( "<canvas>" ).appendTo( wrap )[ 0 ];
canvas.width = width;
canvas.height = height;
var drawHeight = height * 0.8,
cradius = 10;
ctx = canvas.getContext( "2d" );
ctx.fillStyle = "black";
// 绘制背景
ctx.beginPath();
ctx.moveTo( cradius, 0 );
ctx.quadraticCurveTo( 0, 0, 0, cradius );
ctx.lineTo( 0, height - cradius );
ctx.quadraticCurveTo( 0, height, cradius, height );
ctx.lineTo( width - cradius, height );
ctx.quadraticCurveTo( width, height, width, height - cradius );
ctx.lineTo( width, 0 );
ctx.lineTo( cradius, 0 );
ctx.fill();
// 绘制底线
ctx.strokeStyle = "#555";
ctx.beginPath();
ctx.moveTo( width * 0.1, drawHeight + .5 );
ctx.lineTo( width * 0.9, drawHeight + .5 );
ctx.stroke();
// 绘制顶线
ctx.strokeStyle = "#555";
ctx.beginPath();
ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
ctx.stroke();
// 绘制 easing
ctx.strokeStyle = "white";
ctx.beginPath();
ctx.lineWidth = 2;
ctx.moveTo( width * 0.1, drawHeight );
$.each( new Array( width ), function( position ) {
var state = position / width,
val = impl( state, position, 0, 1, width );
ctx.lineTo( position * 0.8 + width * 0.1,
drawHeight - drawHeight * val * 0.7 );
});
ctx.stroke();
// 点击时动态改变
graph.click(function() {
wrap
.animate( { height: "hide" }, 2000, name )
.delay( 800 )
.animate( { height: "show" }, 2000, name );
});
graph.width( width ).height( height + text.height() + 10 );
});
});
</script>
</head>
<body>
<div id="graphs"></div>
</body>
</html>