jQuery插件（右击事件）

<!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>右键菜单插件</title>
        <link href="http://www.imooc.com/data/jquery.contextmenu.css" rel="stylesheet" type="text/css" />
        <link href="style.css" rel="stylesheet" type="text/css" />
        <script type="text/javascript" src="http://www.imooc.com/data/jquery-1.8.2.min.js"></script>
        <script src="http://www.imooc.com/data/jquery.contextmenu.js" type="text/javascript"></script>
    </head>

    <body>
        <div id="divtest">
            <div class="title"><span class="fl">点击右键</span></div>
            <div class="content">
                <input id="btnSubmit" type="button" value="提交" />
                <div class="tip"></div>
            </div>
            <div class="contextMenu" id="sysMenu">
                <ul>
                    <li id="Li3"><img src="http://img.mukewang.com/52e4b34b0001bb6d00160016.jpg" alt="" />保存</li>
                    <li id="Li4"><img src="http://img.mukewang.com/52e4b3680001424900160016.jpg" alt="" />退出</li>
                </ul>
            </div>
        </div>

        <script type="text/javascript">
            $(function () {
                $("#btnSubmit").contextMenu('sysMenu',
                  { bindings:
                     {
                         'Li3': function (Item) {
                             $(".tip").show().html("您点击了“保存”项");
                         },
                         'Li4': function (Item) {
                             $(".tip").show().html("您点击了“退出”项");
                         }
                     }
                  });
            });
        </script>
    </body>
</html>