本文實例為大家分享了jquery彈幕效果，供大家參考，具體內容如下
頁面效果如下:
html頁面如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<link href="static/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<link href="static/css/style.css" rel="stylesheet" type="text/css" />
<link href="dist/css/barrager.css" rel="stylesheet" type="text/css" />
</head>
<body>
<button class="bb-trigger btn btn-primary btn-lg bb-light-blue" onclick=" run_example() ">彈彈彈</button>
<hr/>
<div class="row">
<div class="col-md-6">
<form class="form-horizontal">
<div style="display: none">
<div class="form-group">
<label class="col-sm-2 control-label" >文字</label>
<div class="col-sm-6">
<input class="form-control" name="info" type="text" placeholder="彈幕文字信息"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label" >鏈接</label>
<div class="col-sm-6">
<input class="form-control" name="href" type="text" placeholder="http://www.yaseng.org"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label" >延遲</label>
<div class="col-sm-2">
<input class="form-control" name="speed" type="text" placeholder="6" value="6" />
</div>
<label class="col-sm-2 control-label" >關閉按鈕</label>
<div class="col-sm-2">
<input class="form-control" name="close" type="checkbox" checked >
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label" >高度</label>
<div class="col-sm-4">
<label class="radio-inline">
<input type="radio" name="bottomradio" value="0" checked="checked"> 隨機
</label>
<label class="radio-inline">
<input type="radio" name="bottomradio" value="1" > 設置
</label>
</div>
<div class="col-sm-2">
<input class="form-control" name="bottom" type="text" placeholder="70" value="70" />
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label" >圖片</label>
<div class="col-sm-6">
<label class="radio-inline">
<input type="radio" name="img" value="cute.png" checked=""> cute.png
</label>
<label class="radio-inline">
<input type="radio" name="img" value="haha.gif"> haha.gif
</label>
<label class="radio-inline">
<input type="radio" name="img" value="none"> 無圖
</label>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" ></label>
<div class="col-sm-3">
<input type="button" class="btn btn-primary bb-light-blue" onclick=" run() " value="運行">
</div>
<div class="col-sm-3">
<button class="btn btn-warning " onclick=" clear_barrage() "> 清除</button>
</div>
</div>
</form>
</div>
<div class="col-md-6" style="display: none">
<textarea class="form-control" id="barrager-code" rows="14" ></textarea>
</div>
</div>
</body>
<script src="static/js/jquery-1.9.1.min.js" type="text/javascript"></script>
<script src="static/js/bootstrap.min.js" type="text/javascript"></script>
<script src="dist/js/jquery.barrager.js" type="text/javascript"></script>
<script type="text/javascript">
String.prototype.format = function (args) {
var result = this;
if (arguments.length < 1) {
return result;
}
var data = arguments;
if (arguments.length == 1 && typeof (args) == "object") {
data = args;
}
for (var key in data) {
var value = data[key];
if (undefined != value) {
result = result.replace("{" + key + "}", value);
}
}
return result;
}
var barrager_code =
'var item={\n' +
" img:'{img}', //圖片 \n" +
" info:'{info}', //文字 \n" +
" href:'{href}', //鏈接 \n" +
" close:{close}, //顯示關閉按鈕 \n" +
" speed:{speed}, //延遲,單位秒,默認6 \n" +
" bottom:{bottom}, //距離底部高度,單位px,默認隨機 \n" +
" color:'{color}', //顏色,默認白色 \n" +
" old_ie_color:'{old_ie_color}', //ie低版兼容色,不能與網頁背景相同,默認黑色 \n" +
" }\n" + "$('body').barrager(item);"
;
$(function() {
var default_item = {
'img': 'static/heisenberg.png',
'info': '彈幕文字信息',
'href': 'http://www.yaseng.org',
'close': true,
'speed': 6,
'bottom': 70,
'color': '#fff',
'old_ie_color': '#000000'
};
var item = { 'img': 'static/img/heisenberg.png', 'href': 'http://www.baidu.com', 'info': 'oldman!WQNMLGB' };
//item1={'href':'http://www.baidu.com','info':'這是一條很長很長的字幕','close':false};
$('#barrager-code').val(barrager_code.format(default_item));
$('body').barrager(item);
});
function run() {
var shi = [
"朱砂", "天下", "殺伐", "人家", "韶華", "風華", "繁華", "血染", " 墨染 ", "白衣", " 素衣", " 嫁衣 ", "傾城 ", "孤城 ", "空城 ", "舊城", "舊人 ", "伊人 ", "心疼 ", "春風", " 古琴 ", "無情 ", "迷離 ", "奈何", " 斷弦", " 焚盡 ", "散亂", " 陌路 ", "亂世 ", "笑靨 ", "淺笑", " 明眸", " 輕嘆", " 煙火", "一生 " +
"三生", " 浮生 ", "桃花 ", "梨花", " 落花", " 煙花", " 離殤", " 情殤", " 愛殤 ", "劍殤", " 灼傷", " 倉皇 ", "匆忙", " 陌上", " 清商", "焚香 ", "墨香 ", "微涼 " +
"斷腸", " 癡狂 ", "凄涼", " 黃梁", " 未央", " 成雙", " 無恙", " 虛妄", " 凝霜", " 洛陽", " 長安", " 江南", " 忘川", " 千年", " 紙傘 ", "煙雨", " 回眸 ", "公子" +
"紅塵", " 紅顏 ", "紅衣", " 紅豆 ", "紅線 ", "青絲 ", "青史", " 青冢", " 白發", " 白首", " 白骨 ", "黃土", " 黃泉 ", "碧落", " 紫陌情深緣淺", " 情深不壽 ", "莫失莫忘" +
" 陰陽相隔 ", "如花美眷", " 似水流年", " 眉目如畫", " 曲終人散", " 繁華落盡 ", "不訴離殤 ", "一世長安"
];
var info = shi[Math.floor(Math.random() * shi.length)]; //$('input[name=info]').val();
(info == '') ? info = '請填寫彈幕文字' : info = info;
var href = $('input[name=href]').val();
var speed = parseInt($('input[name=speed]').val());
var bottom = parseInt($('input[name=bottom]').val());
var code = barrager_code;
if ($('input:radio[name=bottomradio]:checked').val() == 0) {
var window_height = $(window).height() - 150;
bottom = Math.floor(Math.random() * window_height + 40);
code = code.replace(" bottom:{bottom}, //距離底部高度,單位px,默認隨機 \n", '');
}
var img = $('input:radio[name=img]:checked').val();
if (img == 'none') {
code = code.replace(" img:'{img}', //圖片 \n", '');
}
var item = {
'img': 'static/img/' + img,
'info': info,
'href': href,
'close': true,
'speed': speed,
'bottom': bottom,
'color': getRandomColor(),
'old_ie_color': getRandomColor()
};
if (!$('input[name=close]').is(':checked')) {
item.close = false;
}
code = code.format(item);
$('#barrager-code').val(code);
try {
eval(code);
} catch (e) {
/*name: 錯誤名稱
number: 錯誤號
description: 描述信息
message: 錯誤信息
fileName: 錯誤發生的文件
stack: 錯誤發生時的調用堆棧 */
alert(e.message);
}
return false;
}
function clear_barrage() {
$.fn.barrager.removeAll();
}
function getRandomColor() {
return "#" + ("00000" + ((Math.random() * 16777215 + 0.5) >> 0).toString(16)).slice(-6);
}
function run_example() {
var wenzi = ["Hello", "網上", "x戰警", "蜘蛛俠", "死侍"];
var example_item = { 'img': 'static/img/heisenberg.png', 'info': wenzi[Math.floor(Math.random() * wenzi.length)] };
$('body').barrager(example_item);
return false;
}
</script>
</html>
以上就是本文的全部內容，希望對大家的學習有所幫助
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