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1.       ÔõôÔÚ¶à¸öJSPÒ³ÃæÖ®¼ä½øÐвÎÊý´«µÝ£¿ÐèҪʹÓÃJSPµÄÄÚÖÃ×÷ÓÃÓò¶ÔÏósession¡£ÀûÓÃËüµÄÁ½¸ö·½·¨setAttribute()£¬getAttribute()
2.       ÏÂÃæµÄÕâ¸öʵÀýʵÏÖÁ˰ѵÚÒ»¸öJSPÒ³ÃæµÄ²ÎÊý´«µÝ¸øµÚÈý¸öÒ³ÃæµÄ¹¦ÄÜ
3.       ´úÂëÈçÏ£º1.jsp
[img][/img]
<html>
       <form method=get action=2.jsp>
       what's your name<input type=text name=username>
       <input type=submit value=submit>
       </form>
</html>
4.       2.jsp
<html>
      
       <form method=post action="3.jsp?pass=11">
       <%
              String name=request.getParameter("username");
              session.setAttribute("username",name);
       %>
       Your name is:<%=request.getParameter("username")%>
       <br>what's your hobby<input type=text name=hobby>
       <input type=submit value=submit>
       </form>
</html>
5.       3.jsp
<html>
       your name is:<%=session.getAttribute("username")%>
       <br>
       your hobby is:<%=request.getParameter("hobby")%>
       <br>
       your password is:<%=request.getParameter("pass")%>
   


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