显示一个确定的或不确定的进程状态。
如需了解更多有关 progressbar 部件的细节，请查看 API 文档 进度条部件（Progressbar Widget）。
默认的确定的进度条。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 进度条（Progressbar） - 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="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
<script>
$(function() {
$( "#progressbar" ).progressbar({
value: 37
});
});
</script>
</head>
<body>
<div id="progressbar"></div>
</body>
</html>自定义更新的标签。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 进度条（Progressbar） - 自定义标签</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>
.ui-progressbar {
position: relative;
}
.progress-label {
position: absolute;
left: 50%;
top: 4px;
font-weight: bold;
text-shadow: 1px 1px 0 #fff;
}
</style>
<script>
$(function() {
var progressbar = $( "#progressbar" ),
progressLabel = $( ".progress-label" );
progressbar.progressbar({
value: false,
change: function() {
progressLabel.text( progressbar.progressbar( "value" ) + "%" );
},
complete: function() {
progressLabel.text( "完成！" );
}
});
function progress() {
var val = progressbar.progressbar( "value" ) || 0;
progressbar.progressbar( "value", val + 1 );
if ( val < 99 ) {
setTimeout( progress, 100 );
}
}
setTimeout( progress, 3000 );
});
</script>
</head>
<body>
<div id="progressbar"><div class="progress-label">加载...</div></div>
</body>
</html>不确定的进度条，并可在确定和不确定的样式之间切换。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 进度条（Progressbar） - 不确定的值</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">
<script>
$(function() {
$( "#progressbar" ).progressbar({
value: false
});
$( "button" ).on( "click", function( event ) {
var target = $( event.target ),
progressbar = $( "#progressbar" ),
progressbarValue = progressbar.find( ".ui-progressbar-value" );
if ( target.is( "#numButton" ) ) {
progressbar.progressbar( "option", {
value: Math.floor( Math.random() * 100 )
});
} else if ( target.is( "#colorButton" ) ) {
progressbarValue.css({
"background": '#' + Math.floor( Math.random() * 16777215 ).toString( 16 )
});
} else if ( target.is( "#falseButton" ) ) {
progressbar.progressbar( "option", "value", false );
}
});
});
</script>
<style>
#progressbar .ui-progressbar-value {
background-color: #ccc;
}
</style>
</head>
<body>
<div id="progressbar"></div>
<button id="numButton">随机值 - 确定</button>
<button id="falseButton">不确定</button>
<button id="colorButton">随机颜色</button>
</body>
</html>