userservlet.java

本程序为Java软件开发中

package service;

import java.io.IOException;
import java.util.Enumeration;

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 form.Usernamejavabean;

public class UserServlet extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// Parameter用法
		String userid =(String) request.getParameter("userid");
		
		String sex =(String) request.getParameter("sex");
		// ParameterValues用法
		String college[] = (String[]) request.getParameterValues("college");
		Usernamejavabean javaBean = new Usernamejavabean();
		System.out.println(">>>>>>>>>>>>学号:" +userid + new String(userid.getBytes("ISO-8859-1")));
		System.out.println(">>>>>>>>>>>>性别:" +sex);
		System.out.println(">>>>>>>>>>>>院系:" +college);
		System.out.println("---------------------------------------------");
		// ParameterNames用法
		Enumeration en = request.getParameterNames();
		while(en.hasMoreElements()) {
			System.out.println("<<<<<<<<<<<<<<<" + en.nextElement());
		}
		javaBean.getDBUser(userid);
		// session
		HttpSession session = request.getSession();
		session.setAttribute("userId", "数据库中的学号");
		session.setAttribute("userName", "张小三");
		session.setAttribute("college", "经济管理");
		response.sendRedirect(request.getContextPath() + "/usernameresult.jsp");
	}
	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		doGet(request, response);
	}
}