adminloginaction.java

本博客系统是在J2EE平台上用Hibernate框架技术和MVC模式构建

package com.blog.admin;

import java.io.IOException;
import java.util.List;

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.blog.Constants;
import com.blog.OperateDatabase;
import com.blog.tableclass.*;

public class AdminLoginAction extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AdminLoginAction() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
//		接收浏览器端提交的信息
		String uname = request.getParameter("username");
		String psw = request.getParameter("password");		
		String checkwd = request.getParameter("checkword");		
		OperateDatabase	newdb=new OperateDatabase();
		HttpSession session = request.getSession();
        String checkwd2 = (String)session.getAttribute("rand");	
        Admin admin=newdb.getAdmin(uname);
        if (admin==null){            //用户名错误
			response.sendRedirect("/NewBlog/error.jsp");
		}
		else{
			String dbPassword = admin.getPassword();
			if (!dbPassword.equals(psw)) {  //口令错误
				response.sendRedirect("/NewBlog/error.jsp");
			}
			else if (!checkwd.equals(checkwd2)) {  //验证码错误
				response.sendRedirect("/NewBlog/error.jsp");
			}
			else{
				session.setAttribute(Constants.LOGIN_ADMIN_KEY,admin);
				
				List newsList=newdb.allNews();
				session.setAttribute(Constants.NEWS_LIST_KEY,newsList);
				
				List blogList=newdb.allBlog();
				session.setAttribute(Constants.BLOG_LIST_KEY,blogList);
				response.sendRedirect("/NewBlog/admin/admin.jsp");
				}
			}
	}
	public void init() throws ServletException {
		// Put your code here
	}

}