loginservlet.java

jsp+servlet+Hibernte实现的公务员网上报名系统。为大学毕业设计成果

package com.servlet;

import java.io.IOException;

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.dao.AppInfoDAO;
import com.dao.impl.AppInfoDAOImpl;
import com.entity.AppInfo;

public class LoginServlet extends HttpServlet {

	private static final long serialVersionUID = 1L;

	public LoginServlet() {
		super();
	}

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

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		request.setCharacterEncoding("gb2312");
	    response.setCharacterEncoding("gb2312");
	    
	    String appName = request.getParameter("appName");
	    String appPassword = request.getParameter("appPassword");
	    int appIndify = Integer.parseInt(request.getParameter("appIndify"));
	    
	    AppInfoDAO appInfoDAOImpl = new AppInfoDAOImpl();
	    String passwordDB = appInfoDAOImpl.queryPasswordByIndify(appIndify);
	    
	    
	    String button = request.getParameter("submit");
	    System.out.println(button);
	    if(button.equals("登录")){
	    
		    if(appPassword.equals(passwordDB)){
		    	request.setAttribute("appName", appName);
		    	String SappIndify = String.valueOf(appIndify);

		    	HttpSession session = request.getSession(true);
		    	session.setAttribute("SappIndify",SappIndify);
		        session.setAttribute("appIndify", appIndify);
		    	
		    	AppInfo appInfo = appInfoDAOImpl.queryAppInfoByIndify(appIndify);
		    	request.setAttribute("appInfo", appInfo);
		    	session.setAttribute("appInfo", appInfo);
		    	session.setAttribute("isLogin", "true");
		    	
		    	if(appInfo.getAppNation()==null){
    	    	    request.getRequestDispatcher("/form/appInfo.jsp").forward(request,response);
		    	}else{
		    		request.getRequestDispatcher("/form/appInfoShow.jsp").forward(request,response);
		    	}
		    }else{
		    	request.getRequestDispatcher("/form/login.jsp").forward(request,response);
		    }
	    }  
		    
	    else{
			    
			    if(appPassword.equals(passwordDB)){
			    	request.setAttribute("appName", appName);
			    	String SappIndify = String.valueOf(appIndify);

			    	HttpSession session = request.getSession(true);
			    	session.setAttribute("SappIndify",SappIndify);
			    	
			    	AppInfo appInfo = appInfoDAOImpl.queryAppInfoByIndify(appIndify);
			    	request.setAttribute("appInfo", appInfo);
			    	session.setAttribute("appInfo", appInfo);
			    	
			    	if(appInfo.getAppNation()==null){
	    	    	    request.getRequestDispatcher("/form/appInfo.jsp").forward(request,response);
			    	}else{
			    		request.getRequestDispatcher("/form/appInfoShow.jsp").forward(request,response);
			    	}
			    }
	    }
	}

	
	public void init() throws ServletException {

	}

}