📄 landservlet.java

📁 实现在线的增删改查和一些基本的功能！这是一个简单的网页！

💻 JAVA

字号:

package 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 javax.servlet.http.HttpSession;

import model.Userpeople;

import Dao.UserPeopleD;

public class LandServlet extends HttpServlet {

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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

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

		response.setContentType("text/html;charset=gbk");
		response.setCharacterEncoding("gbk");
		request.setCharacterEncoding("gbk");
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();
		

		String userName = request.getParameter("userName");
		String password = request.getParameter("password");
		UserPeopleD dao = new UserPeopleD();
		Userpeople user = dao.getUserByUsernamePassword(userName, password);
		if(null != user){
			session.setAttribute("user", user);
			response.sendRedirect("welcome.jsp");
			out.println("登陆成功");
		}else{
			out.println("你输入的密码不正确,请重新输入*******!");
		}
		out.flush();
		out.close();
	}

	

}

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