foundpwdservlet.java

一个仿造淘宝的jsp网站。功能比较完善

package com.jc.taobao.gjj.action;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jc.taobao.gjj.entity.UserInfo;
import com.jc.taobao.gjj.logic.UserInfoBean;

public class FoundPwdServlet extends HttpServlet {
   public static String foundpasswordmessage="";
	/**
	 * Constructor of the object.
	 */
	public FoundPwdServlet() {
		super();
	}

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

	/**
	 * 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 username=request.getParameter("username");
		String userquestion=request.getParameter("question");
		String useranswer=request.getParameter("answer");
		UserInfoBean ubean=new UserInfoBean();
		UserInfo user=new UserInfo();
		user.setUsername(username);
		user.setUserquestion(userquestion);
		user.setUseranswer(useranswer);
		String password=ubean.getuserpassword(user);
		if(password==null)
		{
			out.print("<script>alert('对不起，您的输入有误，不能找回密码，请重新输入正确的资料，以便查询！');window.history.go(-1);</script>");
		}else
		{
		request.setAttribute("foundpwdinchangepwd", password);
		request.getRequestDispatcher("/ChangePwd.jsp").forward(request, response);
		}
		
	}

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

}