jsp连接数据库多表查询问题
情况是这样的,一个模糊查询界面将YHDLM、FLBH、LXRMC这3个值传到search.java
search.java主要代码:
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=gb2312");
PrintWriter out = response.getWriter();
request.setCharacterEncoding("gb2312");
String LXRMC = request.getParameter("LXRMC").trim();
int FLBH = Integer.parseInt(request.getParameter("FLBH"));
request.setAttribute("LXRMC", request.getParameter("LXRMC"));
HttpSession session = request.getSession();
String YHDLM = ((beans.UserInf)session.getAttribute("admin")).getYHDLM();
ArrayList list = new DBConn().search(FLBH,LXRMC,YHDLM);
String sPage=request.getParameter("page");
int recordCount=list.size();
int pageCount=1;
int page=strToInt(sPage,1);
int pageSize=5;
int paend=page*pageSize;
List list1=new ArrayList();
for(int i=paend-5;i <paend;i++)
{
try{
beans.UserInf bean=(beans.UserInf)(list.get(i));//
list1.add(bean);
} catch (Exception e) {
}
}
request.setAttribute("recordCount
相关问答:
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jas ......
我JSP的页面是:
<%@ page language="java" contentType="text/html; charset=gb2312"
%>
<script>
function Save(){
xmlHttp=GetXmlHttpObject()
if(xmlHttp==nul ......
搜索了一下:http://so.csdn.net/bbsSearchResult.aspx?q=jsp+%e4%bc%a0%e9%80%92&p=1,没有发现能用的。因为我是初学jsp,因此有些也许能用,只是我看不明白?
一、我的情形:
a.html 通过<form action=&q ......
1、我用servlet生成的随机验证码,放入session
2、在服务器端验证用户输入的验证码是否正确没有问题
3、可是servlet传到jsp的验证码和我在jsp从session中取得的验证码不一致,页面显示的比我从session中取到的要快 ......
各位大侠,小弟驽钝,请认真回答!谢谢
有两个下拉选择框,第一个选择大类,第二个选择小类,两个下拉选择框的选项全都从数据库查出来。那么在第一个选择框做出选择后如何把选择的值传给第二个选择框好让第二个选择 ......