controlcenter.java

基于J2EE技术的 电子购物商城系统

package controls;

import java.io.IOException;
import java.io.PrintWriter;

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

@SuppressWarnings("serial")
public class ControlCenter extends HttpServlet {

	protected void doGet(final HttpServletRequest request,
			final HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = response.getWriter();
//		out.println("ControlCenter doGet-><br>");
		
		doPost(request, response);
	}

	protected void doPost(final HttpServletRequest request,
			final HttpServletResponse response) throws ServletException, IOException {
		
//		PrintWriter out = response.getWriter();
//		out.println("ControlCenter doPost-><br>");
		
		request.setCharacterEncoding("gb2312");
		String module = request.getParameter("module");
		response.setCharacterEncoding("gb2312");
		
		if (module.equals("user")) {
			dispatcher = this.getServletContext().getRequestDispatcher("/uc");
		}
		else if (module.equals("goods")) {
			 dispatcher = this.getServletContext().getRequestDispatcher("/gc");
		}
		else if (module.equals("trade")) {
			 dispatcher = this.getServletContext().getRequestDispatcher("/tc");
		}
		else {
//			out = response.getWriter();
//			out.println("request error.");
		}
		dispatcher.forward(request, response);
	}
	
	RequestDispatcher dispatcher = null;
}