| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 1 | <!--
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 | 2 |  Licensed to the Apache Software Foundation (ASF) under one or more
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 | 3 |   contributor license agreements.  See the NOTICE file distributed with
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 | 4 |   this work for additional information regarding copyright ownership.
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 | 5 |   The ASF licenses this file to You under the Apache License, Version 2.0
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 | 6 |   (the "License"); you may not use this file except in compliance with
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 | 7 |   the License.  You may obtain a copy of the License at
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 | 8 | 
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 | 9 |       http://www.apache.org/licenses/LICENSE-2.0
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 | 10 | 
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 | 11 |   Unless required by applicable law or agreed to in writing, software
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 | 12 |   distributed under the License is distributed on an "AS IS" BASIS,
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 | 13 |   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 | 14 |   See the License for the specific language governing permissions and
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 | 15 |   limitations under the License.
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 | 16 | -->
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 | 17 | <html>
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 | 18 | <head>
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 | 19 | <title>Untitled Document</title>
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 | 20 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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 | 21 | </head>
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 | 22 | 
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 | 23 | <body bgcolor="#FFFFFF">
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 | 24 | <p><font color="#0000FF"><a href="servlet/CookieExample"><img src="images/execute.gif" align="right" border="0"></a><a href="index.html"><img src="images/return.gif" width="24" height="24" align="right" border="0"></a></font></p>
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 | 25 | <h3>Source Code for Cookie Example<font color="#0000FF"><br>
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 | 26 |   </font> </h3>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 27 | <font color="#0000FF"></font>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 28 | <pre><font color="#0000FF">import</font> java.io.*;
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 | 29 | <font color="#0000FF">import</font> javax.servlet.*;
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 | 30 | <font color="#0000FF">import</font> javax.servlet.http.*;
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 | 31 | 
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 | 32 | <font color="#0000FF">public class</font> CookieExample <font color="#0000FF">extends</font> HttpServlet {
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 | 33 | 
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 | 34 |     <font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response)
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 | 35 |     <font color="#0000FF">throws</font> IOException, ServletException
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 | 36 |     {
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 | 37 |         response.setContentType("<font color="#009900">text/html</font>");
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 | 38 |         PrintWriter out = response.getWriter();
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 39 | 
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 40 |         <font color="#CC0000">// print out cookies</font>
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 | 41 | 
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 | 42 |         Cookie[] cookies = request.getCookies();
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 | 43 |         for (int i = 0; i < cookies.length; i++) {
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 | 44 |             Cookie c = cookies[i];
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 | 45 |             String name = c.getName();
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 | 46 |             String value = c.getValue();
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 | 47 |             out.println(name + "<font color="#009900"> = </font>" + value);
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 | 48 |         }
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 | 49 | 
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 | 50 |         <font color="#CC0000">// set a cookie</font>
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 | 51 | 
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 | 52 |         String name = request.getParameter("<font color="#009900">cookieName</font>");
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 | 53 |         if (name != null && name.length() > 0) {
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 | 54 |             String value = request.getParameter("<font color="#009900">cookieValue</font>");
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 | 55 |             Cookie c = new Cookie(name, value);
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 | 56 |             response.addCookie(c);
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 | 57 |         }
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 | 58 |     }
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 | 59 | }</pre>
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 | 60 | </body>
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 | 61 | </html>
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