showcookies.java

来自「servlet与jsp核心编程 书籍源码 部分」· Java 代码 · 共 41 行

JAVA
41 行
字号 
package coreservlets;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

/** Creates a table of the cookies associated with
 *  the current page.
 *  <P>
 *  Taken from Core Servlets and JavaServer Pages
 *  from Prentice Hall and Sun Microsystems Press,
 *  http://www.coreservlets.com/.
 *  &copy; 2000 Marty Hall; may be freely used or adapted.
 */

public class ShowCookies extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
      throws ServletException, IOException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    String title = "Active Cookies";
    out.println(ServletUtilities.headWithTitle(title) +
                "<BODY BGCOLOR=\"#FDF5E6\">\n" +
                "<H1 ALIGN=\"CENTER\">" + title + "</H1>\n" +
                "<TABLE BORDER=1 ALIGN=\"CENTER\">\n" +
                "<TR BGCOLOR=\"#FFAD00\">\n" +
                "  <TH>Cookie Name\n" +
                "  <TH>Cookie Value");
    Cookie[] cookies = request.getCookies();
    Cookie cookie;
    for(int i=0; i<cookies.length; i++) {
      cookie = cookies[i];
      out.println("<TR>\n" +
                  "  <TD>" + cookie.getName() + "\n" +
                  "  <TD>" + cookie.getValue());
    }
    out.println("</TABLE></BODY></HTML>");
  }
}

showcookies.java - 源码说明

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