roleaction.java

客户关系管理系统主要管理新老客户的一些信息并可以发现潜在客户

package com.qrsx.qrsxcrm.action;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

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

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.qrsxcrm.dao.RoleDAO;
import com.qrsx.qrsxcrm.model.Role;
import com.qrsx.qrsxcrm.web.Pager;

public class RoleAction extends BaseDispatchAction {
	/**
	 * 检索角色信息，进入列表页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws IllegalAccessException
	 * @throws InvocationTargetException
	 */
	@SuppressWarnings("unchecked")
	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws IllegalAccessException, InvocationTargetException {
//		
//		HttpSession session = request.getSession();
//		String flag = (String) session.getAttribute("wrong");
//		if(  flag != null && ! flag.equals(""))
//		{
//			request.setAttribute("sorry", "数据已被使用，请释放后再删除！");
//		}
//		session.setAttribute("wrong", "");
		
		
		Role role=new Role();
		BeanUtils.copyProperties(role,form);
		try {
			Pager pager = null;
			RoleDAO rdao = new RoleDAO(Role.class);
			List results = rdao.findAll("from Role");//得到总数据
			
			pager = new Pager(); // 构造分页对象
			int totalRows = results.size(); // 得到总数据量
			pager.init(totalRows);

			if (request.getParameter("action") != null) {
				pager.doAction(request.getParameter("action").toString());
			}
			// 使用分页标签的方法
			List list = rdao.findAllByPage(role, (pager
					.getCurrentPage() - 1)
					* pager.getPageSize(),pager.getPageSize());
			request.getSession().setAttribute("pagerstruts", pager);
			request.setAttribute("roles", list);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return mapping.findForward("list");
	}
	
	/**
	 * 编辑角色信息，进入编辑页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws IllegalAccessException
	 * @throws InvocationTargetException
	 */
	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws IllegalAccessException, InvocationTargetException {

		String id = request.getParameter("id");
		if (id != null && id.trim().length() > 0) {
			RoleDAO rdao = new RoleDAO(Role.class);
			Role role = (Role) rdao.findById(Role.class, id);
			if (role != null) {
				BeanUtils.copyProperties(form, role);
			}
		}
		return mapping.findForward("edit");
	}
	
	/**
	 * 删除一条角色信息，并返回列表页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	@SuppressWarnings("unchecked")
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
		String id=request.getParameter("id");
		if(id!=null&&id.trim().length()>0){
			RoleDAO rdao=new RoleDAO(Role.class);
			Role role=(Role) rdao.findById(Role.class, id);
			rdao.delete(role);
//			saveMessage(request,"addressForm.deleted",role.getRoleName());
		}
		return mapping.findForward("success");
	}
	/**
	 * 保存角色信息，并转发到列表页面
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	@SuppressWarnings("unchecked")
	public ActionForward save(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionErrors errors=form.validate(mapping,request);
		if(!errors.isEmpty()){
			saveErrors(request,errors);
			return edit(mapping,form,request,response);
		}
		Role role=new Role();
		BeanUtils.copyProperties(role, form);
		RoleDAO rdao=new RoleDAO(Role.class);
		if(role.getId()==null||role.getId().trim().length()==0){
			rdao.create(role);
			saveMessage(request,"addressForm.added",role.getRoleName());
		}else{
			rdao.updates(role);
			saveMessage(request,"addressForm.updated",role.getRoleName());
		}
		
		return mapping.findForward("success");
	}
}