📄 notbuyservlet.java
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package ebookshop.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class NotBuyServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession(false);
if(session!=null){
session.removeAttribute("cartMap"); //去掉购物车
// session.invalidate(); //或者 去掉session
}
response.setContentType("text/html;charset=gb2312");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<body bgcolor=\"white\">");
out.println("<head>");
out.println("<title> not buying </title>");
out.println("</head>");
out.println("<body><div align='center'>");
out.println("<h1>欢迎下次再来</h1>");
out.println("点击");
out.println("<a href='/ebookShop/login.jsp' fgcolor='red'>这儿</a>");
out.println("开始下一轮购物");
out.println("</div></body>");
out.println("</html>");
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
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