Java写出来界面会倒退是怎么回事

img

img


运行图片1没几秒就到图片2了是怎么一回事呢,刚开始还不这样,突然就变成这样了,我也不知道我动了哪里,求指点一二

操作问题吧,正常是不会有这种现象的。
或者看下代码中是否有回退事件?

代码有问题吗?换个浏览器试试有没有这种情况

图片2是你进图片1之前的页面吗?或者说你先进任意网页,然后再进你的网页,再自动跳转还是图片2的页面吗

代码里写了后退的逻辑吧

代码贴出来看看塞

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>">

<title>上网时间规划自律交流论坛</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="DS-Java,DS-Java论坛,Java论坛,论坛">
<meta http-equiv="description"
    content="上网时间规划自律交流平台为人们提供了互相交流互相学习的网络平台。">
<link rel="stylesheet" type="text/css" href="./CSS/index.css">
<script type="text/javascript" src="./JS/jquery-1.11.0.js"></script>
<script type="text/javascript">
    function checkLogin() {
        var msg = '<s:property value="#session.tu.username"/>';
        if (!msg) {
            var returnVal = window.confirm("未登录或登录已失效!请登录!", "提示");
            if (returnVal) {
                location.href = 'login.jsp';
            }
            return false;
        }
        return true;
    }
</script>
<style type="text/css">
body,html {
    width: 1004px;
    padding: 0px;
    margin: 0px auto; /*设置居中  */
    text-align: center; /*兼容性更好  */
    border: none;
}
.btn {
    border: none;
    border-radius: 0;
    min-width: 80px;
    height: 28px;
    line-height: 16px;
    color: #fff;
}

.btn-top {
    width: 40px;
    height: 40px;
    background-color: #ccc;
}

.btn-top:hover,.btn-top:focus {
    background-color: #676767;
}

.btn-top .glyphicon-chevron-up .glyphicon-share-alt {
    font-size: 18px;
}

.glyphicon {
    position: relative;
    top: 1px;
    display: inline-block;
    font-style: normal;
    font-weight: normal;
    line-height: 1;
}

.glyphicon-share-alt:before {
    content: "回复";
}

.glyphicon-chevron-up:before {
    content: "顶部";
}
</style>
</head>

<body>
    <div class="background">
        <div class="topNav">
            <jsp:include page="/top.jsp"></jsp:include>
        </div>
        <div class="leftBodyBlank"></div>
        <div class="tBody">
            <div class="topBody" align="left">
                <div style="float: left;">
                    <a href="index.jsp" title="论坛首页"><img
                        src="image/homepage_24.png" /> </a>
                </div>
                <div style="float: left;line-height:24px;">&nbsp;&gt;&nbsp;论坛
                </div>
            </div>
            <div class="leftBody">
                <div class="hot">
                    <div class="ltitle">
                        <div style="float: left;width: 660px;">
                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;热帖榜&nbsp;&nbsp;&nbsp;&nbsp;<font
                                style="font-style: italic;">TOP 10 </font>
                        </div>
                        <div align="center" style="float: left;width: 80px;color: #6699CC">
                            <a href="topic_GetHotTopic.action">More&gt;&gt;</a>
                        </div>
                    </div>
                    <div class="hotContent">
                        <iframe width="740px" height="335px" frameborder="0"
                            scrolling="no" src="topic_getIndexHotTopic.action"></iframe>
                    </div>
                </div>
                <div class="fresh">
                    <div class="ltitle">
                        <div style="float: left;width: 660px;">
                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;新帖榜&nbsp;&nbsp;&nbsp;&nbsp;<font
                                style="font-style: italic;">TOP 10 </font>
                        </div>
                        <div align="center" style="float: left;width: 80px;">
                            <a href="topic_getAllTopic.action">More&gt;&gt;</a>
                        </div>
                    </div>
                    <div class="freshContent">
                        <iframe width="740px" height="335px" frameborder="0"
                            scrolling="no" src="topic_getIndexFreshTopic.action"></iframe>
                    </div>
                </div>
                <div class="classics">
                    <div class="ltitle">
                        <div style="float: left;width: 660px;">
                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;精帖榜&nbsp;&nbsp;&nbsp;&nbsp;<font
                                style="font-style: italic;">TOP 10 </font>
                        </div>
                        <div align="center" style="float: left;width: 80px;color: #6699CC">
                            <a href="topic_GetNiceTopic.action">More&gt;&gt;</a>
                        </div>
                    </div>
                    <div class="classicsContent">
                        <iframe width="740px" height="335px" frameborder=0 scrolling="no"
                            src="topic_getIndexNiceTopic.action"></iframe>
                    </div>
                </div>
            </div>
            <div class="rightBody">
                <div class="announces">
                    <div class="rtitle">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;论坛公告
                    </div>
                    <div class="announcesContent">
                        <iframe width="200px" height="220px" frameborder=0 scrolling="no"
                            src="anno_getIndexAnno.action"></iframe>
                    </div>
                </div>
                <div class="newButton">
                    <form action="cate_new_getAll.action" method="get"
                        onsubmit="return checkLogin();">
                        <input type="submit" value="我要发帖">
                    </form>
                </div>
                <!-- <div class="hero">
                    <div class="rtitle">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;论坛牛人
                    </div>
                    <div class="announcesContent"></div>
                </div> -->
                <div class="helps">
                    <div class="rtitle">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;论坛帮助
                    </div>
                    <div class="announcesContent">
                        <iframe width="200px" style="min-height: 220px;" frameborder=0
                            scrolling="no" src="help_getIndexHelp.action"></iframe>
                    </div>
        </div>
        <div class="zyt">
            <jsp:include page="/zyt.jsp"></jsp:include>
        </div>
    </div>
</body>
</html>