Login（登录）

package com.springmvchibernate.ContinuingEducation.controller;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.WebUtils;

import com.springmvchibernate.ContinuingEducation.log.Logger;
import com.springmvchibernate.ContinuingEducation.model.SYS_PERSON_USER;
import com.springmvchibernate.ContinuingEducation.model.SYS_USER;
import com.springmvchibernate.ContinuingEducation.service.Manage_userService;
import com.springmvchibernate.ContinuingEducation.service.Sys_person_userService;
import com.springmvchibernate.ContinuingEducation.service.Sys_userService;
import com.springmvchibernate.ContinuingEducation.util.MD5;

/**
 * 用户登录控制类
 * 
 * @参数 username  用户名
 *           
 * @参数 password  密码
 *            
 * @参数 checkcode 验证码
 *            
 * @作者 牛文吉
 * */
@Controller
public class LoginController {
	@Autowired
	Sys_userService sys_userService;
	@Autowired
	Manage_userService manage_userService;
	@Autowired
	Sys_person_userService sys_person_userService;
	@RequestMapping(value = "admin", method = RequestMethod.POST)
	public ModelAndView admin(HttpServletRequest request,HttpServletResponse response){
		response.setContentType("text/html;charset=UTF-8"); 
		try {
			Logger.audit("进入->:后台用户登录");
			String username = request.getParameter("username").trim();
			String password = request.getParameter("password").trim();
			String checkcode = request.getSession().getAttribute("rand").toString();
			if (checkcode.equals(request.getParameter("rand").toString().trim())) {
					if (manage_userService.checkUser(username, password)) {
						Logger.audit("进入->:用户登录成功,设置session值");
						WebUtils.setSessionAttribute(request, "adminuser", manage_userService.getByUserName(username));
						response.getWriter().print("success");                        
					}else{
						Logger.audit("进入->:用户登录失败,用户名或密码错误!");
						response.getWriter().print("error");                          
					}
			}else{
				response.getWriter().print("codeerr");                                
			}
		} 
		catch (IOException e) {
			e.printStackTrace();
		}catch (java.lang.NullPointerException e){
			e.printStackTrace();
		}finally{
			Logger.audit("退出->:后台用户登录方法!");
		}
		return null;
	}
	@RequestMapping(value = "login", method = RequestMethod.POST)
	public ModelAndView login(HttpServletRequest request,HttpServletResponse response){ 
		try {
			String username = request.getParameter("username").trim();
			String password = request.getParameter("password").trim();
			String checkcode = request.getSession().getAttribute("rand").toString();
			if (checkcode.equals(request.getParameter("pagecode").toString().trim())) {
					if (sys_userService.checkUser(username, MD5.MD5Code(password))) {
						SYS_USER user=sys_userService.FindByProperty("USERNAME", username);
						if(user.getAUDITT().equals("Y")){
							Logger.audit("进入->:用户登录成功,设置session值");
							WebUtils.setSessionAttribute(request, "user", user);
							response.getWriter().print("success");                     
						}else{
							Logger.audit("进入->:用户登录失败,还没有通过审核");
							response.getWriter().print("auerr");
						}                      										 
					}else if(sys_person_userService.UserIsExis(username, MD5.MD5Code(password))){
						SYS_PERSON_USER puser = sys_person_userService.FindByProperty("USERNAME", username);
						SYS_USER user=sys_userService.FindByProperty("GROUPID", String.valueOf(puser.getGROUPID()));
						if(user.getAUDITT().equals("Y")){
							Logger.audit("进入->:用户登录成功,设置session值");
							WebUtils.setSessionAttribute(request, "preuser",puser);
							response.getWriter().print("success");
						}else
						{
							Logger.audit("进入->:个人用户登录失败，企业用户已失效,所以本单位所有用户不能登录!");
							response.getWriter().print("preerr");
						}

					}else{
						Logger.audit("进入->:用户登录失败,用户名或密码错误!");
						response.getWriter().print("error");                           
					}
			}else{
				response.getWriter().print("codeerr");                                
			}
		} 
		catch (IOException e) {
			e.printStackTrace();
		}catch (java.lang.NullPointerException e){
			e.printStackTrace();
		}finally{
			Logger.audit("退出->:前台用户登录方法!");
		}
		return null;
	}
	/**
	 * @作者:牛文吉
	 * @说明:该方法主要：用户登录后，可通过本方法注销登录信息，使用用户失效
	 * @param request 传入当前请求对象
	 * @param response 传入当前响应对象
	 */
	@RequestMapping(value = "logout", method = RequestMethod.GET)
	public void logout(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		
		/* 删除用户登录信息 */
		Logger.audit("进入->:登录注销开始！");
		Logger.audit("注销用户信息->:"+ WebUtils.getSessionAttribute(request,"adminuser"));
		Logger.audit("注销用户信息->:"+ WebUtils.getSessionAttribute(request,"user"));
		Logger.audit("注销用户信息->:"+ WebUtils.getSessionAttribute(request,"preuser"));
		WebUtils.setSessionAttribute(request,"adminuser", null);
		WebUtils.setSessionAttribute(request,"user", null);
		WebUtils.setSessionAttribute(request,"preuser", null);
		Logger.audit("退出->:登录注销成功！");
		/* 删除用户登录信息后返回首页 */
		response.sendRedirect("/index.xhtml");
	}
	/**
	 * @作者:牛文吉
	 * @说明:该方法主要：用户登录后成功后转发
	 * @param request 传入当前请求对象
	 * @param response 传入当前响应对象
	 */
	@RequestMapping(value = "success", method = RequestMethod.GET)
	public ModelAndView success(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		ModelAndView mav=new ModelAndView();
		Logger.audit("进入->:成功登录后转发到成功页！");
		mav.setViewName("ContinuingEducationWeb/success/success");
		Logger.audit("退出->:成功转发！");
		return mav;
	}
}