loginservlet.java

登录 使用了Ajax 还有重设密码的功能

package servlet;
import DAO.*;
import java.io.*;
import bean.login.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class LoginServlet extends HttpServlet{
	public void init(ServletConfig config) throws ServletException{
		super.init(config);
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
		response.setContentType("text/html;charset=gb2312");
		String yourId=request.getParameter("id");
		try{
			byte[]bb=yourId.getBytes("gb2312");
			yourId=new String(bb,"ISO-8859-1");
		}catch(Exception e)
		{
	    	e.printStackTrace();
		}
		String yourPassword=request.getParameter("password");
		String yourQuestion=request.getParameter("question");
		String yourAnswer=request.getParameter("answer");
		String s;
		
		DAO dao=new DAO();
		if(dao.addUser(yourId,yourPassword,yourQuestion,yourAnswer)){
			s="注册成功 <a href=denglu.jsp>请登录</a>";
		}else{
			s="注册失败！";
		}
		request.getSession().setAttribute("login",s);
		RequestDispatcher dispather=request.getRequestDispatcher("login.jsp");//我想改一下
		dispather.forward(request,response);
	}
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
		doPost(request,response);
	}
}