loginservlet.java

oa rar it is the jsp

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

import java.io.IOException;
import java.util.ArrayList;

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.factorydao.FactoryDAO;
import com.accp.oa.bean.*;

	/*此类用于
	 * 处理登录
	 * 的检证
	 */
public class LoginServlet extends HttpServlet {

	
	public LoginServlet() {
		super();
	}

	
	public void destroy() {
		super.destroy(); 
	}


	/**
	 * doPost()方法用于
	 * 进行登录处理,检证
	 * 密码，用户是否正确
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String username = request.getParameter("username");
		String password = request.getParameter("password");
		//从DAO工厂得到对象
		PersonDAO personDao =  (PersonDAO)FactoryDAO.getnewInstance("PersonDAO");
		//获得登录用户的ID
		int perId = personDao.search(username, password);
		
		if(perId > 0){//有此用户
			//获得HttpSession对象
			HttpSession session = request.getSession();
			//存储登录用户名
			session.setAttribute("username", username);
			//保存登录用户ID
			session.setAttribute("personId", new Integer(perId));
			//根据用户ID查询出用户的权限
			session.setAttribute("user_rights",this.searchRight(perId));
			//进入系统
			RequestDispatcher dispatcher = request.getRequestDispatcher("/face/main.jsp");
			dispatcher.forward(request, response);
		}else{//没有此用户
			RequestDispatcher dispatcher = request.getRequestDispatcher("/login.jsp");
			dispatcher.forward(request, response);
		}
	}
	/*
	 * 查找出给定用户的权限存储在RightForm对象中
	 */
	public RightForm searchRight(int perId){
		ArrayList models = new ArrayList();
		RightForm rightform = new RightForm();
		//从DAO工厂中得到对象
		ModelDAO modeldao =  (ModelDAO)FactoryDAO.getnewInstance("ModelDAO");
		//根据用户ID查询出用户的权限
		models =  modeldao.search(perId, -1);
		//通过for()权限存入RightForm对象中便于后使用
		for(int i = 0; i < models.size(); i ++){
			Model objmodel = (Model)models.get(i);
			int id = objmodel.getId();
			if(id == 1){//有物资初始化权限
				rightform.setId1(String.valueOf(id));
			}
			if(id == 2){//有物资进存权限
				rightform.setId2(String.valueOf(id));
			}
			if(id == 3){//有物资统计权限
				rightform.setId3(String.valueOf(id));
			}
			if(id == 4){//有添加新员工的权限
				rightform.setId4(String.valueOf(id));
			}
			if(id == 5){//人事修改权限
				rightform.setId5(String.valueOf(id));
			}
			if(id == 6){//人事删除权限
				rightform.setId6(String.valueOf(id));
			}
			if(id == 7){//员工查询权限
				rightform.setId7(String.valueOf(id));
			}
			if(id == 8){//人事详情权限
				rightform.setId8(String.valueOf(id));
			}
			if(id == 9){//客户添加权限
				rightform.setId9(String.valueOf(id));
			}
			if(id == 10){//客户删除权限
				rightform.setId10(String.valueOf(id));
			}
			if(id == 11){//客户信息浏览权限
				rightform.setId11(String.valueOf(id));
			}
			if(id == 12){//客户编辑权限
				rightform.setId12(String.valueOf(id));
			}
			if(id == 13){//工作记录查询权限
				rightform.setId13(String.valueOf(id));
			}
			if(id == 14){//添加新的工作记录权限
				rightform.setId14(String.valueOf(id));
			}
			if(id == 15){//工作进度查询权限
				rightform.setId15(String.valueOf(id));
			}
			if(id == 16){//添加新的工作进度权限
				rightform.setId16(String.valueOf(id));
			}
			if(id == 17){//统计权限
				rightform.setId17(String.valueOf(id));
			}
			if(id == 18){//修改密码权限
				rightform.setId18(String.valueOf(id));
			}
			if(id == 19){//权限分配权限
				rightform.setId19(String.valueOf(id));
			}
			
		}
		return rightform;
	}
	
	public void init() throws ServletException {
	}

}