blob: 91ee58496591fd3079177e22eed4f366124b9525 [file] [log] [blame]
Hongqing Liufd5ee812014-05-10 16:32:51 +08001<!--
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17<html>
18<head>
19<title>Untitled Document</title>
20<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
21</head>
22
23<body bgcolor="#FFFFFF">
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>
25<h3>Source Code for Cookie Example<font color="#0000FF"><br>
26 </font> </h3>
刘洪青6266f992017-05-15 21:21:03 +080027<font color="#0000FF"></font>
Hongqing Liufd5ee812014-05-10 16:32:51 +080028<pre><font color="#0000FF">import</font> java.io.*;
29<font color="#0000FF">import</font> javax.servlet.*;
30<font color="#0000FF">import</font> javax.servlet.http.*;
31
32<font color="#0000FF">public class</font> CookieExample <font color="#0000FF">extends</font> HttpServlet {
33
34 <font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response)
35 <font color="#0000FF">throws</font> IOException, ServletException
36 {
37 response.setContentType(&quot;<font color="#009900">text/html</font>&quot;);
38 PrintWriter out = response.getWriter();
刘洪青6266f992017-05-15 21:21:03 +080039
Hongqing Liufd5ee812014-05-10 16:32:51 +080040 <font color="#CC0000">// print out cookies</font>
41
42 Cookie[] cookies = request.getCookies();
43 for (int i = 0; i &lt; cookies.length; i++) {
44 Cookie c = cookies[i];
45 String name = c.getName();
46 String value = c.getValue();
47 out.println(name + &quot;<font color="#009900"> = </font>&quot; + value);
48 }
49
50 <font color="#CC0000">// set a cookie</font>
51
52 String name = request.getParameter(&quot;<font color="#009900">cookieName</font>&quot;);
53 if (name != null &amp;&amp; name.length() &gt; 0) {
54 String value = request.getParameter(&quot;<font color="#009900">cookieValue</font>&quot;);
55 Cookie c = new Cookie(name, value);
56 response.addCookie(c);
57 }
58 }
59}</pre>
60</body>
61</html>