delete_jsp.java

模仿Taobao购物网

package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.*;
import taobaoproject.*;

public final class delete_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(1);
    _jspx_dependants.add("/check.jsp");
  }

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html; charset=GBK");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");

if((String)session.getValue("Enter") != "true") {
  String errmsg = "error2";
  response.sendRedirect("login.jsp?errmsg="+errmsg);
}

      out.write('\r');
      out.write('\n');
      out.write('\r');
      out.write('\n');

//获得手机ID
int i=1;
String ati = request.getParameter("ati");
if(ati != null)
  i = java.lang.Integer.parseInt(ati);
//使用向量类作为购物车的变量类型
Vector buylist = (Vector)session.getValue("shopcar");
buylist.remove(i);
//更新 session 变量
session.putValue("shopcar", buylist);
//重定向到查看购物车页面
response.sendRedirect("shopcar.jsp");

      out.write('\r');
      out.write('\n');
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}