modifypsw.java

MIS管理系统

package employee;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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 database.*;
import bean.*;
public class Modifypsw extends HttpServlet {

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

		 doPost(request,response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String empno=request.getParameter("empno");
		String psw=request.getParameter("psw");
		String newpsw=request.getParameter("newpsw");
		DB db = new DB();
		Emp emp = new Emp();
		emp.setEmpno(empno);
		emp.setPsw(psw);
		HttpSession session = request.getSession();
		if(new DB().checkEmp(emp))//验证用户名密码是否正确.
			{
					db.modifyPsw(empno, newpsw);
					session.setAttribute("pswok", "ok");
					response.sendRedirect("/software/modifypassword.jsp");
			}
		else
			{
			session.setAttribute("pswerr", "err");
			response.sendRedirect("/software/modifypassword.jsp");
			
			}
	}

}