customergetbloginfoaction.java

基于struts的网上商店源码

/*
 * 作者:管磊
 * 时间:11-25-2007
 * 功能:获取商家博客的信息。
 */
package com.mole.struts.action;

import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.mole.struts.bean.CustomerBlogBean;
import com.mole.struts.bean.Page;
import com.mole.struts.dao.CustomerAddBolgDAO;

/**
 * MyEclipse Struts Creation date: 11-25-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 */
public class CustomerGetBlogInfoAction extends Action {
	private CustomerAddBolgDAO dao;

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String userName;
		String style = null;
		String path = null;
		String vid = request.getParameter("vid");
		// 根据URL的后缀，跳转到博客，如果后缀没有的话，并且Session没有的话就跳转到初始页面，如果有后缀的博客所有者的ID，跳转到该ID的博客，有Session中存在的ID就跳转到该ID的博客。
		if (vid != null && vid.trim() != null && !vid.equals("null")) {
			userName = request.getParameter("vid");
			path = "/customerBlogList.jsp?vid=" + userName;
		} else {
			userName = String
					.valueOf(request.getSession().getAttribute("user"));
			path = "/customerBlogList.jsp";
		}

		if (null == dao)
			dao = new CustomerAddBolgDAO();
		Page page = new Page();
		String action = request.getParameter("action");
		int pageSize = (request.getParameter("pageSizeSelect") == null ? 10
				: Integer.parseInt(request.getParameter("pageSizeSelect")));
		int currentPage = (request.getParameter("page") == null ? 1 : Integer
				.parseInt(request.getParameter("page")));
		if (null == action) {
			int count = dao.getPageInfo(userName);// 翻页的操作。
			page.setPageSize(pageSize);
			page.setRecordCount(count);
			page.setPageCount((count + pageSize - 1) / pageSize);
			page.setCurrentPage(currentPage);
			ArrayList<CustomerBlogBean> al = new ArrayList<CustomerBlogBean>();
			try {
				if (request.getParameter("articleType") == null) {
					// 从数据库中获取日志的分页信息。
					al = dao.queryBlog(userName, page.getCurrentPage(), page
							.getPageSize());
					style = dao.getCustomerStyle(userName);
					request.setAttribute("style", style.trim());
				} else {
					String t = request.getParameter("articleType");
					al = dao.queryBlogByType(userName, t,
							page.getCurrentPage(), page.getPageSize());
					style = dao.getCustomerStyle(userName);
					request.setAttribute("style", style.trim());
				}
				request.setAttribute("bloglist", al);
				request.setAttribute("Page", page);
				return new ActionForward(path);
			} catch (Exception e) {
				e.printStackTrace();
				HttpSession session = request.getSession();
				session.setAttribute("title", "错误信息");
				session.setAttribute("message", "用户名或密码错误，请重新登陆！");
				session.setAttribute("returnUrl", "show.do?action=goLogin");
				return mapping.findForward("goMessage");
			}
		}
		return null;
	}
}