[java]代码库package com.hospital.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Map;
import javax.servlet.RequestDispatcher;
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.hospital.constant.MyConstant;
import com.hospital.model.User;
import com.hospital.util.DaoUtil;
public class Login extends HttpServlet {
/**
* Destruction of the servlet.
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doPost method of the servlet.
*
* 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;charset=utf-8");
request.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
String username=request.getParameter("username");
String password=request.getParameter("password");
if (username.equals(MyConstant.userName)){
if (password.equals(MyConstant.password)){
RequestDispatcher requestDispatcher = request.getRequestDispatcher("../mainFram.jsp");
requestDispatcher.forward(request, response);
}
else {
PrintWriter pw = response.getWriter();
pw.println("");
pw.println("");
pw.flush();
pw.close();
}
}
else {
PrintWriter pw = response.getWriter();
pw.println("");
pw.println("");
pw.flush();
pw.close();
}
}
/**
* Initialization of the servlet.
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
