newsaction.java

一个新闻发布系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.accp.t29.struts.action;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

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 org.apache.struts.actions.DispatchAction;

import com.accp.t29.hibernate.pojo.NewsTb;
import com.accp.t29.hibernate.pojo.ResourceTb;
import com.accp.t29.module.imp.NewsImp;
import com.accp.t29.module.imp.ResourceImp;
import com.accp.t29.module.service.NewsService;
import com.accp.t29.module.service.ResourceService;
import com.accp.t29.struts.form.NewsForm;
import com.accp.t29.util.Constants;
import com.accp.t29.util.Page;

/**
 * MyEclipse Struts Creation date: 08-14-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/news" name="newsForm" input="/form/news.jsp"
 *                scope="request" validate="true"
 */
public class NewsAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */

	public ActionForward findNewsByAll(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub
		HttpSession session = request.getSession();
		session.setAttribute("removeFlag","0");
		List<NewsTb> newsList = null;
		int offSet = newsForm.getOffset(); // 获取分页起始位置
		int pagesize = Constants.PAGE_SIZE; // 设置每页显示的记录条数
		NewsService news = new NewsImp();
		newsList = news.findNewsByAll(offSet, pagesize); // 分页得到一个集合，集合元素为NewsTb类型
		int size = news.getTotalRsTotalCount(); // 得到总页数
		String url = request.getContextPath() + mapping.getPath() + ".do"
				+ "?method=findNewsByAll"; // 构造URL路径
		Page p = new Page(offSet, size, pagesize, url, "Page Navigation"); // 构造一个分页导航条
		request.setAttribute("page", p);
		request.setAttribute("newsList", newsList);
		return mapping.getInputForward();
	}

	public ActionForward addNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub
		String newsContent = request.getParameter("myfck");
		String newsTitle = newsForm.getNewsTitle();
		String newsSubhead = newsForm.getNewsSubhead();
		String authorName = newsForm.getAuthorName();
		int typeID = newsForm.getTypeID();
		boolean isCheck = newsForm.getIsCheck();
		boolean isPicture = newsForm.getIsPicture();

		NewsTb newsBean = new NewsTb();
		try {
			newsBean.setNewstitle(new String(newsTitle.getBytes("ISO-8859-1"),
					"gb2312"));
			newsBean.setNewssubhead(new String(newsSubhead
					.getBytes("ISO-8859-1"), "gb2312"));
			newsBean.setNewscontent(new String(newsContent
					.getBytes("ISO-8859-1"), "gb2312"));
			newsBean.setAuthorname(new String(
					authorName.getBytes("ISO-8859-1"), "gb2312"));
		} catch (UnsupportedEncodingException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}

		ResourceService resource = new ResourceImp(); // 为得到ResourceTb对象而创建
		newsBean.setResourceTb(resource.findResourceByID(typeID));
		if (isCheck)
			newsBean.setIscheck(new Integer(1));
		if (!isCheck)
			newsBean.setIscheck(new Integer(0));
		if (isPicture)
			newsBean.setIspircture(new Integer(1));
		if (!isPicture)
			newsBean.setIspircture(new Integer(0));

		NewsService news = new NewsImp();
		if (news.addNews(newsBean)) {
			return mapping.findForward("queryall");
		} else {
			findNewsByID(mapping,form,request,response);
			return mapping.getInputForward();
		}

	}

	public ActionForward removeNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub
		String[] ids = newsForm.getIds();
		ActionForward actionForward = null;
		int[] id = new int[ids.length];
		for (int i = 0; i < ids.length; i++) {
			id[i] = Integer.parseInt(ids[i]);
		}
		NewsService news = new NewsImp();
		news.removeNews(id);
		
		HttpSession session = request.getSession();
		if(session.getAttribute("removeFlag").toString().equals("0"))
		actionForward= mapping.findForward("queryall");
		if(session.getAttribute("removeFlag").toString().equals("1"))
		actionForward= mapping.findForward("querysql");
		return actionForward;
	}

	public ActionForward findNewsByID(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub

		if (request.getParameter("id") != null
				&& !(request.getParameter("id").equals(""))) {

			ResourceService resource = new ResourceImp();
			List<ResourceTb> resourceList = resource.findResourceByAll();
			ResourceTb[] typeOptions = new ResourceTb[resourceList.size()];
			for (int i = 0; i < resourceList.size(); i++) {
				typeOptions[i] = resourceList.get(i);
			}
			newsForm.setTypeOptions(typeOptions);

			NewsService news = new NewsImp();
			NewsTb newsBean = news.findNewsByID(Integer.parseInt(request
					.getParameter("id")));
			newsForm.setId(Integer.parseInt(new Long(newsBean.getId())
					.toString()));
			newsForm.setNewsTitle(newsBean.getNewstitle());
			newsForm.setNewsSubhead(newsBean.getNewssubhead());
			newsForm.setAuthorName(newsBean.getAuthorname());
			newsForm.setNewsContent(newsBean.getNewscontent());
			request.setAttribute("newsContent", newsBean.getNewscontent());
			if (Integer.parseInt(new Long(newsBean.getIscheck()).toString()) == 1)
				newsForm.setCheck(true);
			if (Integer.parseInt(new Long(newsBean.getIscheck()).toString()) == 0)
				newsForm.setCheck(false);
			if (Integer.parseInt(new Long(newsBean.getIspircture()).toString()) == 1)
				newsForm.setIsPicture(true);
			if (Integer.parseInt(new Long(newsBean.getIspircture()).toString()) == 0)
				newsForm.setIsPicture(false);
			newsForm.setTypeID(Integer.parseInt(new Long(newsBean
					.getResourceTb().getId()).toString()));
			return mapping.findForward("fillupdatenews");
		} else {
			ResourceService resource = new ResourceImp();
			List<ResourceTb> resourceList = resource.findResourceByAll();
			ResourceTb[] typeOptions = new ResourceTb[resourceList.size()];
			for (int i = 0; i < resourceList.size(); i++) {
				typeOptions[i] = resourceList.get(i);
			}
			newsForm.setTypeOptions(typeOptions);
			return mapping.findForward("filladdnews");
		}

	}

	public ActionForward updateNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub
		String newsContent = request.getParameter("myfck");
		String newsTitle = newsForm.getNewsTitle();
		String newsSubhead = newsForm.getNewsSubhead();
		String authorName = newsForm.getAuthorName();
		int typeID = newsForm.getTypeID();
		boolean isCheck = newsForm.getIsCheck();
		boolean isPicture = newsForm.getIsPicture();
		int id = newsForm.getId();

		NewsTb newsBean = new NewsTb();
		newsBean.setId(id);
		try {
			newsBean.setNewstitle(new String(newsTitle.getBytes("ISO-8859-1"),
					"gb2312"));
			newsBean.setNewssubhead(new String(newsSubhead
					.getBytes("ISO-8859-1"), "gb2312"));
			newsBean.setNewscontent(new String(newsContent
					.getBytes("ISO-8859-1"), "gb2312"));
			newsBean.setAuthorname(new String(
					authorName.getBytes("ISO-8859-1"), "gb2312"));
		} catch (UnsupportedEncodingException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}

		ResourceService resource = new ResourceImp(); // 为得到ResourceTb对象而创建
		newsBean.setResourceTb(resource.findResourceByID(typeID));
		if (isCheck)
			newsBean.setIscheck(new Integer(1));
		if (!isCheck)
			newsBean.setIscheck(new Integer(0));
		if (isPicture)
			newsBean.setIspircture(new Integer(1));
		if (!isPicture)
			newsBean.setIspircture(new Integer(0));

		NewsService news = new NewsImp();
		if (news.updateNews(newsBean)) {
			return mapping.findForward("queryall");
		} else {
			return mapping.getInputForward();
		}

	}

	public ActionForward findNewsBySql(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		NewsForm newsForm = (NewsForm) form;// TODO Auto-generated method stub
		String condition = null;
		String conditionValue1 = null;
		HttpSession session = request.getSession();
		session.setAttribute("removeFlag", "1");
		try {
			if (request.getParameter("condition") != null
					&& !request.getParameter("condition").equals("")) {
				condition = new String(request.getParameter("condition")
						.getBytes("ISO-8859-1"), "gb2312");
				newsForm.setCondition(condition);
			}
		} catch (UnsupportedEncodingException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}

		if (request.getParameter("condititonValue1") != null
				&& !request.getParameter("condititonValue1").equals("")) {
			try {
				conditionValue1 = new String(request.getParameter("condititonValue1").getBytes("ISO-8859-1"),"gb2312");
			} catch (UnsupportedEncodingException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			newsForm.setConditionValue1(conditionValue1);
		}
		int totalSize = 0;
		List<NewsTb> newsList = null;
		NewsService news = new NewsImp();
		int offSet = newsForm.getOffset(); // 获取分页起始位置
		int pagesize = Constants.PAGE_SIZE; // 设置每页显示的记录条数
		if (newsForm.getCondition().equals("作者")) {
			newsList = news.findNewsBySql("authorname", newsForm.getConditionValue1(),
					offSet, pagesize);
			totalSize = news.getTotalCountBySql("authorname", newsForm.getConditionValue1());
			String url = request.getContextPath() + mapping.getPath() + ".do"
					+ "?method=findNewsBySql"; // 构造URL路径
			Page p = new Page(offSet, totalSize, pagesize, url,
					"Page Navigation"); // 构造一个分页导航条
			request.setAttribute("page", p);
			request.setAttribute("newsList", newsList);
		}
		
		if(newsForm.getCondition().equals("标题")){
			newsList = news.findNewsBySql("newstitle", newsForm.getConditionValue1(),
					offSet, pagesize);
			totalSize = news.getTotalCountBySql("newstitle", newsForm.getConditionValue1());
			String url = request.getContextPath() + mapping.getPath() + ".do"
					+ "?method=findNewsBySql"; // 构造URL路径
			Page p = new Page(offSet, totalSize, pagesize, url,
					"Page Navigation"); // 构造一个分页导航条
			request.setAttribute("page", p);
			request.setAttribute("newsList", newsList);
		}
		
		if(newsForm.getCondition().equals("点击次数"))
		{
			newsList = news.findNewsBySql("count", newsForm.getConditionValue1(),
					offSet, pagesize);
			totalSize = news.getTotalCountBySql("count", newsForm.getConditionValue1());
			String url = request.getContextPath() + mapping.getPath() + ".do"
					+ "?method=findNewsBySql"; // 构造URL路径
			Page p = new Page(offSet, totalSize, pagesize, url,
					"Page Navigation"); // 构造一个分页导航条
			request.setAttribute("page", p);
			request.setAttribute("newsList", newsList);
		}

		return mapping.getInputForward();
	}

}