sessionobject.jsp

来自「卡内基梅隆大学软件工程课件,很全面」· JSP 代码 · 共 28 行

JSP
28
字号
<%--Getting and setting session object values--%>
<html><body>
<H1>Session id: <%= session.getId() %></H1>
<H3><li>This session was created at 
<%= session.getCreationTime() %></li></H1>
<H3><li>Old MaxInactiveInterval = 
  <%= session.getMaxInactiveInterval() %></li>
<% session.setMaxInactiveInterval(5); %>
<li>New MaxInactiveInterval= 
  <%= session.getMaxInactiveInterval() %></li>
</H3>
<H2>If the session object "My dog" is 
still around, this value will be non-null:<H2>
<H3><li>Session value for "My dog" =  
<%= session.getAttribute("My dog") %></li></H3>
<%-- Now add the session object "My dog" --%>
<% session.setAttribute("My dog", 
                    new String("Ralph")); %>
<H1>My dog's name is 
<%= session.getAttribute("My dog") %></H1>
<%-- See if "My dog" wanders to another form --%>
<FORM TYPE=POST ACTION=SessionObject2.jsp>
<INPUT TYPE=submit name=submit 
Value="Invalidate"></FORM>
<FORM TYPE=POST ACTION=SessionObject3.jsp>
<INPUT TYPE=submit name=submit 
Value="Keep Around"></FORM>
</body></html>

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