c0e7950a7cf4001b196bad2c12eb1669
来自「Internet 开发技术分章节代码和自己完成的课程设计全代码(在zuoye文件」· 代码 · 共 32 行
TXT
32 行
package bean;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class AddCar_Servlet extends HttpServlet
{
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html;charset=GB2312"); //设置响应的MIME类型
PrintWriter out =response.getWriter(); //获得向客户发送数据的输出流
out.println("<html><head></head><body>");
HttpSession session=request.getSession(true); //获得向客户会话对象
String books[]=request.getParameterValues("id");
if(session.getAttribute("flag")==null)
{ session.setAttribute("flage","ok");
session.setAttribute("str","");
}
for(int i=0;i<books.length;i++)
{
session.setAttribute("str",session.getAttribute("str")+books[i]+"<BR>");
}
String ss =(String)session.getAttribute("str");
out.println("<BR>"+"在你购物车中的物品是: "+books.length+"<BR>");
out.println(ss);
out.println("<p align="+"center"+"><a href="+"choice.jsp"+">购物</a></p>");
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{ doGet(request,response); }
}
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