materialaction.java

本系统是新华社内部信息管理系统

package com.nitpro.struts.action;

import java.util.Date;
import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.MappingDispatchAction;

import com.nitpro.dao.DAOFactory;
import com.nitpro.struts.form.FindForm;
import com.nitpro.struts.form.MaterialForm;
import com.nitpro.vo.Material;
import com.nitpro.vo.Type;
import com.nitpro.vo.User;

/**
 * 时间: 04-18-2008
 * 处理资料类的Action，主要进行的操作有取得资料的列表，进行资料的添加、编辑、删除
 * @author 邓锦溏
 * @version 1.0
 * @struts.action validate="true"
 */
public class MaterialAction extends MappingDispatchAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method list
	 * 该方法得到所有信息列表并返回到页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List materials = DAOFactory.getDAOFactory().getMaterialDAO().findAll();
		request.setAttribute("materials", materials);
		return mapping.findForward("list");
	}

	/**
	 * Method findlist
	 * 该方法得到所有信息列表并返回到查找页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward findlist(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
	
		List materials = DAOFactory.getDAOFactory().getMaterialDAO().findAll();
		request.setAttribute("materials", materials);
		return mapping.findForward("findlist");
	}

	/**
	 * Method find
	 * 该方法通过页面传入的数据查找符合条件的数据
	 * 将得到所有资料返回到查找页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward find(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		FindForm findForm = (FindForm) form;// TODO Auto-generated
		// method stub

		String content = findForm.getMaterialcontent();
		String title = findForm.getMaterialtitle();
		String username = findForm.getUsername();
		String date = findForm.getDate();

		List materials = DAOFactory.getDAOFactory().getMaterialDAO()
				.findByCondition(title, content, username, date);
		request.setAttribute("materials", materials);
		return mapping.findForward("findlist");
	}

	/**
	 * Method add
	 * 该方法得到所有资料类别列表并返回到资料新增页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List types = DAOFactory.getDAOFactory().getTypeDAO().findAll();
		request.setAttribute("types", types);
		return mapping.findForward("add");
	}

	/**
	 * Method addsave
	 * 该方法提供form取得页面的数据插入数据库中，插入成功返回并给出提示
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward addsave(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		MaterialForm materialForm = (MaterialForm) form;// TODO Auto-generated
		// method stub

		HttpSession session = request.getSession();
		User user = (User) session.getAttribute("user");
		if (user != null) {
			String materialtitle = materialForm.getMaterialtitle();
			String materialcontent = materialForm.getMaterialcontent();
			Integer typeid = materialForm.getTypeid();
			Type type = DAOFactory.getDAOFactory().getTypeDAO()
					.findById(typeid);
			Date date = new Date();
	
			Material material = new Material();
			material.setMaterialtitle(materialtitle);
			material.setMaterialdate(date);
			material.setUser(user);
			material.setType(type);
			material.setMaterialcontent(materialcontent);

			DAOFactory.getDAOFactory().getMaterialDAO().save(material);
			request.setAttribute("message","成功添加资料");
			return mapping.findForward("list");
		}
		request.setAttribute("errormessage", "还没有登陆！");
		return mapping.findForward("login");
	}

	/**
	 * Method delete
	 * 该方法提供form取得页面的数据id删除数据库中的数据，删除成功返回并给出提示
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		MaterialForm materialForm = (MaterialForm) form;
		// method stub
		Integer materialid = materialForm.getMaterialid();
		Material material = DAOFactory.getDAOFactory().getMaterialDAO()
				.findById(materialid);
		DAOFactory.getDAOFactory().getMaterialDAO().delete(material);
		request.setAttribute("message","成功删除资料");
		return mapping.findForward("list");
	}

	/**
	 * Method edit
	 * 该方法提供form取得页面的数据id取得数据库中该id的数据，成功返回数据到页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		MaterialForm MaterialForm = (MaterialForm) form;// TODO Auto-generated
		// method stub
		List types = DAOFactory.getDAOFactory().getTypeDAO().findAll();
		request.setAttribute("types", types);

		Integer materialid = MaterialForm.getMaterialid();
		Material material = DAOFactory.getDAOFactory().getMaterialDAO()
				.findById(materialid);
		request.setAttribute("material", material);
		return mapping.findForward("edit");
	}

	/**
	 * Method save
	 * 该方法提供form取得页面的数据进行数据库中数据的修改，修改成功返回列表并给出提示
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward save(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		MaterialForm materialForm = (MaterialForm) form;// TODO Auto-generated
		// method stub
		Integer materialid = materialForm.getMaterialid();
		String materialtitle = materialForm.getMaterialtitle();
		String materialcontent = materialForm.getMaterialcontent();

		Material old_ma = DAOFactory.getDAOFactory().getMaterialDAO().findById(
				materialid);

		Material material = new Material();
		material.setMaterialid(materialid);
		material.setMaterialtitle(materialtitle);
		material.setMaterialdate(old_ma.getMaterialdate());
		material.setUser(old_ma.getUser());
		material.setType(old_ma.getType());
		material.setMaterialcontent(materialcontent);
		DAOFactory.getDAOFactory().getMaterialDAO().merge(material);
		request.setAttribute("message","成功更改资料");
		return mapping.findForward("list");
	}

}