📄 addcar.java
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import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Addcar extends HttpServlet
{
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}
public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
{
PrintWriter out=response.getWriter();
response.setContentType("text/html;charset=GB2312");
out.println("<HTML><BODY>");
HttpSession session=request.getSession(true);
String item=request.getParameter("item"), mount=request.getParameter("mount"), unit=request.getParameter("unit");
String str="Name:"+item+" Mount:"+mount+" Unit"+unit;
session.setAttribute(item,str);
out.println("goods in your car:");
Enumeration enum=session.getAttributeNames();
while(enum.hasMoreElements())
{
String name=(String)enum.nextElement();
out.print("<BR>"+(String)session.getAttribute(name));
}
out.println("</BODY></HTML>");
}
public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
{
doPost(request,response);
}
}
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