modsuccessservlet.java

jsp+servlet经典的登录注册

package servlet;

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 dao.DAO;

public class ModSuccessServlet extends HttpServlet {

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

		request.setCharacterEncoding("gbk");
		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		int userID = Integer.parseInt(request.getParameter("userID"));
		String userName = request.getParameter("userName");
		String passWord = request.getParameter("passWord");
		
		String sql = "update login set userName='" + userName + "',passWord='" + passWord+"' where userID=" + userID;
		DAO dao = new DAO();
		int n = dao.del(sql);
		
		response.sendRedirect("/login/servlet/LoginCheck");
		
		
		
		out.flush();
		out.close();
	}

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

		this.doGet(request, response);
	}

}