package Servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.swing.JOptionPane;
import Bean.login;
import Dao.loginDao;
public class loginServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Constructor of the object.
*/
public loginServlet() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
public void init() throws ServletException {
// Put your code here
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
return;
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String user = request.getParameter("user");
String password = request.getParameter("password");
System.out.println(user);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
try{
//login lg = new Bean.login();
System.out.println("ls2");
login lg = new loginDao().login(user);
System.out.println(lg);
String lgu = lg.getUser();
String lgp = lg.getPassword();
System.out.println(lgu);
System.out.println(lgp);
if(lgu != null ){
System.out.println("ls3");
if(lgp.equals(password)){
out.print(user);
out.print(password);
request.getRequestDispatcher("/index.jsp").forward(request,response);
}else{
request.getRequestDispatcher("/login.jsp").forward(request, response);
}
}else{
System.out.println("ls4");
out.print("ok");
JOptionPane.showMessageDialog(null, "用户名不存在！");
request.getRequestDispatcher("/login.jsp").forward(request, response);
}
}catch(SQLException e){
e.printStackTrace();
}
}
/**
* Initialization of the servlet. <br>
* @throws IOException
*
* @throws ServletException if an error occurs
*/
/*(public static void main(String[] args) {
loginServlet lse = new loginServlet();
try {
lse.doPost(null, null);
} catch (ServletException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("2");
}
*/
}
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