?? wealthsortdo.java
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package com.lovo.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.lovo.factory.BOFactory;
import com.lovo.po.UserPO;
import com.lovo.util.Page;
public class WealthSortDO extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
String currPageStr = request.getParameter("page");
HttpSession session = request.getSession(true);
PrintWriter out = response.getWriter();
String home= request.getParameter("home");
int currPage = 1;
try {
currPage = Integer.parseInt(currPageStr);
} catch (NumberFormatException e) {
currPage = 1;
}
if(currPage <= 0) {
currPage = 1;
}
int maxRows = BOFactory.getUserBOInstance().queryRegUserNum();
Page wealthPage = new Page();
wealthPage.setCurrPage(currPage);
wealthPage.setMaxRows(maxRows);
int maxPages = maxRows % wealthPage.getPageRows() == 0 ? maxRows / wealthPage.getPageRows() : maxRows / wealthPage.getPageRows() + 1;
if(currPage >= maxPages) {
currPage = maxPages;
wealthPage.setCurrPage(currPage);
}
System.out.println("currPage = " + currPage);
List<UserPO> wealthList = BOFactory.getUserBOInstance().queryUserByWealth(wealthPage);
session.setAttribute("wealthList", wealthList);
UserPO user = (UserPO)session.getAttribute("user");
if(user == null) {
response.sendRedirect("../web/error.jsp?errorInfo = you are not login");
}
List<UserPO> sortWealthList = BOFactory.getUserBOInstance().queryUserByWealth();
int sort = sortWealthList.indexOf(user);
session.setAttribute("wealthPage", wealthPage);
session.setAttribute("sort", sort);
if(home == null) {
response.sendRedirect("../web/jsp/wealthSort.jsp?maxPages="+maxPages);
} else {
response.sendRedirect("../web/jsp/homewealth.jsp?maxPages="+maxPages);
}
}
}
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