html中select不能正常显示的问题_html/css



代码如下：
<%@ page contentType="text/html; charset=utf-8" language="java"

import="java.sql.*,java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*,java.net.*,javax.imageio.*,java.io.*" errorPage="" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags" %>








<%
request.setAttribute("decorator", "none");
response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
response.setHeader("Pragma","no-cache"); //HTTP 1.0
response.setDateHeader ("Expires", 0); //prevents caching at the proxy server
%>

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<%String yanzheng=(String)session.getAttribute("rand") ;
session.setAttribute("rand",yanzheng);
%>

function check()
{
if(form1.userID.value=="")
{
alert("请输入用户名");
form1.userID.focus();
return false;
}
if(form1.pwd.value=="")
{
alert("请输入登录密码");
form1.pwd.focus();
return false;
}
if(form1.yanzhengma.value=="")
{
alert("请输入验证码");
form1.yanzhengma.focus();
return false;
}
var yan1=session.getAttribute("rand");
if(form1.yanzhengma.value!=yan1)
{
alert("验证码不正确！");
form1.yanzhengma.focus();
return false;
}
if(form1.select.value==2)
{
if ( confirm("你确定要在该电脑创建cookie实现永久登录吗")) {
session.setAttribute("user",form1.userID.value);
session.setAttribute("mima",form1.pwd.value);
return true;
}
form1.yanzhengma.focus();
return false;
}
session.setAttribute("user",form1.userID.value);
session.setAttribute("mima",form1.pwd.value);
return true;
}



window._bd_share_config={"common":{"bdSnsKey":{"tsina":"资源站","tqq":"资源站","t163":"资源站","tsohu":"资源站"},"bdText":"资源站","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":"0","bdSize":"16"},"slide":

{"type":"slide","bdImg":"6","bdPos":"left","bdTop":"100"},"image":{"viewList":

["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":

{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0

[(getElementsByTagName('head')[0]||body).appendChild(createElement

('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date

()/36e5)];

预览结果和实际tomcat运行结果截然不同，请问这是为什么，完全两个样子了，怎么解决这个问题？？？？

回复讨论(解决方案)

是不是用了struct2的主题

div中 样式添加margin:auto;这个试试；