roledispatchaction.java

来自「struts做得固定资产管理系统 带毕业论文完整版」· Java 代码 · 共 147 行

package com.qrsx.appcam.action;

import java.util.List;

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

import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.qrsx.appcam.dao.RoleDAO;
import com.qrsx.appcam.form.RoleForm;
import com.qrsx.appcam.model.Role;

public class RoleDispatchAction extends BaseDispatchAction {

	/**
	 * 保存角色信息：更新、创建
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward save(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		// 验证数据有效性
		ActionErrors errors = form.validate(mapping, request);
		if (!errors.isEmpty()) {
			saveErrors(request, errors);
			return mapping.findForward("edit");
		}

		RoleForm roleForm = (RoleForm) form;
		Role role = new Role();
		BeanUtils.copyProperties(role, form);

		RoleDAO dao = new RoleDAO();
		if (roleForm.getId() == null || roleForm.getId().trim().length() == 0) {
			dao.create(role);
			saveMessage(request, "roleForm.added", roleForm.getName());
		} else {
			dao.update(role);
			saveMessage(request, "roleForm.updated", roleForm.getName());
		}

		return mapping.findForward("success");
	}

	/**
	 * 编辑角色信息：进入新建页面、进入更新页面
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		String id = request.getParameter("id");

		if (id != null && id.trim().length() > 0) {
			RoleDAO dao = new RoleDAO();
			Role Role = dao.findById(Integer.valueOf(id));
			if (Role != null) {
				BeanUtils.copyProperties(form, Role);
			}
		}
		return mapping.findForward("edit");
	}

	/**
	 * 删除角色信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		String id = request.getParameter("id");
		if (id != null && id.trim().length() > 0) {
			RoleDAO dao = new RoleDAO();
			dao.delete(Integer.valueOf(id));
			saveMessage(request, "roleForm.deleted");
		}
		return mapping.findForward("success");
	}

	/**
	 * 动态检索角色信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		Role role = new Role();
		BeanUtils.copyProperties(role, form);

		RoleDAO dao = new RoleDAO();
		List<Role> list = dao.list(role);

		request.setAttribute("roles", list);
		return mapping.findForward("list");
	}

	/**
	 * 检索所有的角色信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward findAll(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		RoleDAO dao = new RoleDAO();
		List<Role> list = dao.findAll();

		request.setAttribute("roles", list);
		return mapping.findForward("list");
	}
}