?? catalogservlet.java
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/*
* Created on 2004-6-13
*
* To change the template for this generated file go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
package com.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
* @author haoyulong
*
* To change the template for this generated type comment go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
public class CatalogServlet extends HttpServlet {
protected void doGet(HttpServletRequest req,
HttpServletResponse res) throws ServletException, IOException {
//TODO Method stub generated by Lomboz
HttpSession session = req.getSession();
int itemCount = 0;
HashMap cart = (HashMap) session.getAttribute("cart");
if (cart != null) {
itemCount = cart.size();
}
res.setContentType("text/html;charset=gb2312");
PrintWriter out = res.getWriter();
out.println("<HTML><HEAD><TITLE>簡單購物車 "
+ "Example</TITLE></HEAD>");
out.println("<BODY><TABLE border=\"0\" width=\"100%\"><tr>");
out.println("<td align=\"left\" valign=\"bottom\">");
out.println("<H1>歡迎來到開心水果店購物</H1></td></tr></TABLE><HR>");
out.print("<FORM ACTION=\"");
out.println(res.encodeURL("cart"));
out.println("\" METHOD=\"POST\">");
out.println("<TABLE CELLSPACING=\"5\" CELLPADDING=\"5\"><TR>");
out.println("<TD ALIGN=\"center\"><B>種類</B></TD>");
out.println("<TD ALIGN=\"center\"><B>單價</B></TD>");
out.println("<TD ALIGN=\"center\"><B>數量</B></TD></TR><TR>");
out.println("<TD ALIGN=\"center\">"+"蘋果"+"</TD>");
out.println("<TD ALIGN=\"center\">"+"5.5"+"</TD>");
out.println("<TD ALIGN=\"center\">");
out.println("<INPUT NAME=\"apple_amount\""
+ " ></TD></TR><TR>");
out.println("<TD ALIGN=\"center\">"+"香蕉"+"</TD>");
out.println("<TD ALIGN=\"center\">"+"4.5"+"</TD>");
out.println("<TD ALIGN=\"center\">");
out.println("<INPUT NAME=\"banana_amount\""
+ "></TD></TR><TR>");
out.println("<TD ALIGN=\"center\">"+"葡萄"+"</TD>");
out.println("<TD ALIGN=\"center\">"+"3.6"+"</TD>");
out.println("<TD ALIGN=\"center\">");
out.println("<INPUT NAME=\"grape_amount\""
+ "></TD></TR>");
out.println("</TABLE><HR>");
out.println("<INPUT TYPE=\"Submit\" NAME=\"btn_submit\" "
+ "VALUE=\"放入購物車\">");
out.println("</FORM></BODY></HTML>");
out.close();
}
}
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