本文实例为大家分享了jquery弹幕效果，供大家参考，具体内容如下
页面效果如下:
html页面如下:
<!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>弹弹弹</button> <hr/> <div> <div> <form> <div> <div> <label >文字</label> <div> <input name="info" type="text" placeholder="弹幕文字信息"/> </div> </div> <div> <label >链接</label> <div> <input name="href" type="text" placeholder="http://www.yaseng.org"/> </div> </div> <div> <label >延迟</label> <div> <input name="speed" type="text" placeholder="6" value="6" /> </div> <label >关闭按钮</label> <div> <input name="close" type="checkbox" checked > </div> </div> <div> <label >高度</label> <div> <label> <input type="radio" name="bottomradio" value="0" checked="checked"> 随机 </label> <label> <input type="radio" name="bottomradio" value="1" > 设置 </label> </div> <div> <input name="bottom" type="text" placeholder="70" value="70" /> </div> </div> <div> <label >图片</label> <div> <label> <input type="radio" name="img" value="cute.png" checked=""> cute.png </label> <label> <input type="radio" name="img" value="haha.gif"> haha.gif </label> <label> <input type="radio" name="img" value="none"> 无图 </label> </div> </div> </div> <div> <label ></label> <div> <input type="button" value="运行"> </div> <div> <button> 清除</button> </div> </div> </form> </div> <div> <textarea 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}', //图片 n" + " info:'{info}', //文字 n" + " href:'{href}', //链接 n" + " close:{close}, //显示关闭按钮 n" + " speed:{speed}, //延迟,单位秒,默认6 n" + " bottom:{bottom}, //距离底部高度,单位px,默认随机 n" + " color:'{color}', //颜色,默认白色 n" + " old_ie_color:'{old_ie_color}', //ie低版兼容色,不能与网页背景相同,默认黑色 n" + " }n" + "$('body').barrager(item);" ; $(function() { var default_item = { 'img': 'static/heisenberg.png', 'info': '弹幕文字信息', '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':'这是一条很长很长的字幕','close':false}; $('#barrager-code').val(barrager_code.format(default_item)); $('body').barrager(item); }); function run() { var shi = [ "朱砂", "天下", "杀伐", "人家", "韶华", "风华", "繁华", "血染", " 墨染 ", "白衣", " 素衣", " 嫁衣 ", "倾城 ", "孤城 ", "空城 ", "旧城", "旧人 ", "伊人 ", "心疼 ", "春风", " 古琴 ", "无情 ", "迷离 ", "奈何", " 断弦", " 焚尽 ", "散乱", " 陌路 ", "乱世 ", "笑靥 ", "浅笑", " 明眸", " 轻叹", " 烟火", "一生 " + "三生", " 浮生 ", "桃花 ", "梨花", " 落花", " 烟花", " 离殇", " 情殇", " 爱殇 ", "剑殇", " 灼伤", " 仓皇 ", "匆忙", " 陌上", " 清商", "焚香 ", "墨香 ", "微凉 " + "断肠", " 痴狂 ", "凄凉", " 黄梁", " 未央", " 成双", " 无恙", " 虚妄", " 凝霜", " 洛阳", " 长安", " 江南", " 忘川", " 千年", " 纸伞 ", "烟雨", " 回眸 ", "公子" + "红尘", " 红颜 ", "红衣", " 红豆 ", "红线 ", "青丝 ", "青史", " 青冢", " 白发", " 白首", " 白骨 ", "黄土", " 黄泉 ", "碧落", " 紫陌情深缘浅", " 情深不寿 ", "莫失莫忘" + " 阴阳相隔 ", "如花美眷", " 似水流年", " 眉目如画", " 曲终人散", " 繁华落尽 ", "不诉离殇 ", "一世长安" ]; var info = shi[Math.floor(Math.random() * shi.length)]; //$('input[name=info]').val(); (info == '') ? info = '请填写弹幕文字' : 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}, //距离底部高度,单位px,默认随机 n", ''); } var img = $('input:radio[name=img]:checked').val(); if (img == 'none') { code = code.replace(" img:'{img}', //图片 n", ''); } var item = { 'img': 'static/img/' + img, 'info': info, 'href': href, 'close': true, 'speed': speed, 'bottom': bottom, 'color': getRandomColor(), 'old_ie_color': getRandomColor() }; if (!$('input[name=close]').is(':checked')) { item.close = false; } code = code.format(item); $('#barrager-code').val(code); try { eval(code); } catch (e) { /*name: 错误名称 number: 错误号 description: 描述信息 message: 错误信息 fileName: 错误发生的文件 stack: 错误发生时的调用堆栈 */ 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", "网上", "x战警", "蜘蛛侠", "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>
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