📄 login_manageservlet2.java
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package hunnu.edu.cn.product.servlet;
import hunnu.edu.cn.product.log.LogFactory;
import hunnu.edu.cn.product.log.LogLog;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import hunnu.edu.cn.product.common.db.dao.implement.DaoFactory;
import hunnu.edu.cn.product.common.db.model.TB_USER_MST;
import hunnu.edu.cn.product.common.db.pool.DBPoolManager;
import java.util.List;
import java.util.StringTokenizer;
public class Login_ManageServlet2 extends HttpServlet
{
/**
*
*/
private static final long serialVersionUID = 1034913291165242074L;
private LogLog log=LogFactory.newInstance().getLog(this.getClass());
private DBPoolManager manager=new DBPoolManager();
/**
* Constructor of the object.
*/
public Login_ManageServlet2()
{
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy()
{
super.destroy(); // Just puts "destroy" string in log
log.info("Product 系统正在关闭.......");
manager.destroyPool();
log.info("Product 系统关闭完毕.......");
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
// public void doGet(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException
// {
//
// response.setContentType("text/html");
// PrintWriter out = response.getWriter();
// DaoFactory factory=DaoFactory.newInstance();
// HttpSession session=request.getSession(true);
// String name=(String)session.getAttribute("user_name");
// if(name!=null)
// {
//
// TB_USER_MST user= (TB_USER_MST)factory.newTB_USER_MSTDao().getByName(name);
// @SuppressWarnings("unused")
// //String sql="select substr(user_email,1,instr(user_email,'@')-1) qianzhui,substr(user_email,instr(user_email,'@')+1) huzhui from tb_user_mst";
// String email=user.getUser_email();
// System.out.println(email);
// StringTokenizer st2 = new StringTokenizer(email, "@");
// String qianzhui= st2.nextToken();
// String houzhui= st2.nextToken();
// session.setAttribute("qianzhui",qianzhui);
// session.setAttribute("houzhui", houzhui);
// System.out.println(qianzhui);
// System.out.println(houzhui);
// }
// else
// {
// out.println("please login first!");
// response.sendRedirect("login.jsp");
// }
// out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
// out.println("<HTML>");
// out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
// out.println(" <BODY>");
// out.print(" This is ");
// out.print(this.getClass());
// out.println(", using the GET method");
// out.println(" </BODY>");
// out.println("</HTML>");
// out.flush();
// out.close();
// }
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{ response.setContentType("text/html");
PrintWriter out = response.getWriter();
String name=request.getParameter("userlogin");
// String password=request.getParameter("password");
DaoFactory factory=DaoFactory.newInstance();
if(factory.newTB_USER_MSTDao().getByName(name)!=null)
{ HttpSession session=request.getSession(true);
session.setAttribute("user_name",name);
List<TB_USER_MST> users= (List<TB_USER_MST>)factory.newTB_USER_MSTDao().getByName(name);
@SuppressWarnings("unused")
//String sql="select substr(user_email,1,instr(user_email,'@')-1) qianzhui,substr(user_email,instr(user_email,'@')+1) huzhui from tb_user_mst";
TB_USER_MST user=users.get(0);
System.out.println(user.getUser_email());
String email=user.getUser_email();
System.out.println(email);
StringTokenizer st2 = new StringTokenizer(email, "@");
String qianzhui= st2.nextToken();
String houzhui= st2.nextToken();
session.setAttribute("qianzhui",qianzhui);
session.setAttribute("houzhui", houzhui);
System.out.println(qianzhui);
System.out.println(houzhui);
response.sendRedirect("SelectPages.jsp");
}
else
{
out.println("The user doesn't exist or the password is wrong!");
response.sendRedirect("error.jsp");
}
// String sql="select * from TB_USER_MST where USER_NAME like"+" "+"'"+name+"'"+"and USER_PASSWORD like"+" "+"'"+password+"'";
// try{
// DBWrapper dbwrapper=new DBWrapper();
// List<?> list=dbwrapper.executeQuery(sql);
// if(list.isEmpty()){
// out.println("The user doesn't exist or the password is wrong!");
// response.sendRedirect("error.jsp");
// }
// else{
// HttpSession session=request.getSession(true);
// session.setAttribute("user_name",name);
// response.sendRedirect("SelectPages.jsp");
// }
// }catch(Exception e)
// { e.getMessage();
// }
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the POST method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException
{
log.info("Product 系统正在启动.......");
manager.getPool().init();
log.info("Product 系统启动完毕.......");
}
}
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