score_servlet.java

本网站为学生管理网站

package students;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.sql.*;

import javax.servlet.*;
import javax.servlet.http.*;

/**
 * Servlet implementation class for Servlet: Cro_SelectServlet
 *
 */
 public class Score_Servlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public Score_Servlet() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		ResultSet rs = null;
		String sql="select S.ID from sel_crouses S group by S.ID";
		rs=UserDAO.select(sql);
		sendResultSet(request,response,rs,"/score.jsp");
	} 
	public void sendResultSet(HttpServletRequest req, HttpServletResponse res,
            java.sql.ResultSet rs, String target)
             throws ServletException, IOException {              	
		req.setAttribute("rs", rs);
		RequestDispatcher rd = getServletContext().getRequestDispatcher(target);
		rd.forward(req, res);
}
}