count.java

还是超市系统

package count;

import java.sql.*;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import db.ConnOracle;

public class Count extends HttpServlet{
	
	public void doGet(HttpServletRequest req,HttpServletResponse res)
		throws ServletException,IOException{
			res.setContentType("text/html;charset=GBK");
			req.setCharacterEncoding("GBK");
			PrintWriter out = res.getWriter();
			db.ConnOracle conn = new db.ConnOracle();
			
			String id = re
			ResultSet rs = null;
			String sql = "select good_price from table_good where good_id ="+;