peopleditdo2.java

一个真实的网络选课系统,由实际需求得到的,本人实际开发出来,运用JSP+TOMCAT

package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.JDBConnection;
import com.Value;

public class peopleditdo2 extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {

	String value=(String)request.getParameter("value");
	String stdno=(String)request.getParameter("stdno");
	if(value!=null&&stdno!=null)
	{
		JDBConnection db= new JDBConnection();
		int week=Value.getWeek(Integer.parseInt(value));
		int time=Value.getTime(Integer.parseInt(value));
		int datevalue=Value.getValue2(new Date());
		if(db.updateSelInfo(week, time, datevalue, stdno))
			goo(request,response);
		else
			doError(request,response);
	}
	else
		doError(request,response);
}
public void goo(HttpServletRequest req, HttpServletResponse res)
throws ServletException,IOException
{
	res.sendRedirect("http://222.192.23.25:8088/select/manger/main2.jsp");
	}


public void doError(HttpServletRequest req,
                  HttpServletResponse res
                 )
                  throws ServletException, IOException {
RequestDispatcher rd = getServletContext().getRequestDispatcher("/manger/inserterror.html");
rd.forward(req, res);
}

}