buyservlet.java

该项目是我近期上传的网上商城项目的核心代码

package servlet;

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

import javaBean.CartBean;
import javaBean.MyBean;

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 dao.DAO;

public class BuyServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("gbk");
		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		String id = request.getParameter("id");
		String sql = "select * from shop where id='" + id +"'";
		DAO dao = new DAO();
		CartBean cartBean = new CartBean();
		ArrayList<MyBean> arrayList = dao.ListAllInformation(sql);
		for (MyBean bean : arrayList) {
			cartBean.setSp_Name(bean.getSp_Name());
			cartBean.setId(bean.getId());
			cartBean.setSp_Price(bean.getSp_Price());
		}
System.out.println(cartBean);
		HttpSession session = request.getSession();
		session.setAttribute("cartBean", cartBean);
		request.setAttribute("arrayList", arrayList);
		request.getRequestDispatcher("/buy.jsp").forward(request, response); 
		
		
		
		out.flush();
		out.close();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}

}