changepwd.java

是一个企业的进销存系统。账号问1001密码为123456

package com.jxc.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;

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.jxc.dao.*;

public class ChangePwd extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ChangePwd() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * 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 {
this.doPost(request, response);
	}

	/**
	 * 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 {
HttpSession session=request.getSession();
		String yid=(String) session.getAttribute("yid");
		String job=(String) session.getAttribute("job");
		String oldpwd=request.getParameter("oldpwd");
		String newpwd1=request.getParameter("newpwd1");
		String newpwd2=request.getParameter("newpwd2");
		Connection conn=Conn.getConnection();
		if("".equals(oldpwd)||"".equals(newpwd1)||"".equals(newpwd2)){
			session.setAttribute("erro","null");
			response.sendRedirect("changepwd.jsp");
		}else if(!newpwd1.equals(newpwd2)){
			session.setAttribute("erro","no");
			response.sendRedirect("changepwd.jsp");
		}else{
			if(new PersonTreat().login(conn, yid, oldpwd, job) ){
				Connection cnn=Conn.getConnection();
			if(new PersonTreat().chagePwd(cnn, yid, newpwd1)){
				session.setAttribute("erro","succ");
				response.sendRedirect("changepwd.jsp");
			}else{
				session.setAttribute("erro","false");
				response.sendRedirect("changepwd.jsp");
			}
			}else{
				session.setAttribute("erro","wrong");
				response.sendRedirect("changepwd.jsp");
			}
		}	
		
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}