基于jQuery实现弹幕效果


<!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() " >弹弹弹</ 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 = "弹幕文字信息" />
           </ div >
         </ div >
           < div class = "form-group" >
           < label class = "col-sm-2 control-label" >链接</ 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" >延迟</ 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" >关闭按钮</ 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" > 随机
             </ label >
             < label class = "radio-inline" >         
               < input type = "radio" name = "bottomradio"  value = "1" > 设置
             </ 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" >图片</ 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" > 无图
               </ 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 = "运行" >
           </ 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}', //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 >


免责声明!

本站转载的文章为个人学习借鉴使用,本站对版权不负任何法律责任。如果侵犯了您的隐私权益,请联系本站邮箱yoyou2525@163.com删除。



 
粤ICP备18138465号  © 2018-2025 CODEPRJ.COM