终于实现了!精彩的jquery弹幕效果

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 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>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。
终于实现了!精彩的jquery弹幕效果

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