addanddeleteroesnameservlet.java

oa rar it is the jsp

package com.accp.oa.control.servlet.roes;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.accp.oa.dao.imple.*;
import com.accp.oa.bean.*;
import com.accp.oa.factorydao.*;

/*
 * 在此类中响应
 * 角色名的删除 和添加事件
 */
public class AddAndDeleteRoesNameServlet extends HttpServlet {

	public AddAndDeleteRoesNameServlet() {
		super();
	}

	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * 在doGet方法中进行角色名的删除
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//获得要删除的角色ID
		int roesId = Integer.parseInt(request.getParameter("roesId"));
		//获理Session对象
		HttpSession session = request.getSession();
		//从DAO工厂中得到对象
		UserToRoesDAO userToRoesdao = (UserToRoesDAO)FactoryDAO.getnewInstance("UserToRoesDAO");
		if (userToRoesdao.search(String.valueOf(roesId), "") > 0) {//看角色是否被使用
			session.setAttribute("hasuser", "true");
			//有就不能删除返回开始页面
			RequestDispatcher dispatcher = request
					.getRequestDispatcher("/roes/rightDistribute.jsp");
			dispatcher.forward(request, response);
		} else {//此角色没有被使用
//			从DAO工厂中得到对象
			RoesDAO roesdao =  (RoesDAO)FactoryDAO.getnewInstance("RoesDAO");
			if (roesdao.delete(roesId)) {//进行删除处理
				RequestDispatcher dispatcher = request
						.getRequestDispatcher("/servlet/ModelToRoesServlet");
				dispatcher.forward(request, response);
			}
		}
	}

	/**
	 * 在doPost方法中进行角色名的添加
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//获得角色名
		String roesname = request.getParameter("roesName").trim();
		//实例化角色对象
		Roes roes = new Roes();
		roes.setRoesName(roesname);
//		从DAO工厂中得到对象
		RoesDAO roesdao =  (RoesDAO)FactoryDAO.getnewInstance("RoesDAO");
		if (roesdao.add(roes)) {//进行添加处理
			RequestDispatcher dispatcher = request
					.getRequestDispatcher("/servlet/ModelToRoesServlet");
			dispatcher.forward(request, response);
		}
	}

	/**
	 * 
	 */
	public void init() throws ServletException {

	}

}