weekdo2.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 weekdo2 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 tvalue=(String)request.getParameter("tvalue");
		String tweek=(String)request.getParameter("tweek");
		boolean value=false;
		if(tvalue!=null&&tweek!=null)
		{
			int week=Integer.parseInt(tweek);
			int datevalue=Value.getValue2(new Date());
			if(tvalue.trim().equals("yes"))
				value=true;
			else 
				value=false;
			JDBConnection db= new JDBConnection();
			if(db.updateWeekInfo(week,datevalue,value))
				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);
	  }

}