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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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jsp´æÈëºÍ¶ÁÈ¡»Ø³µ»»Ðзû

ÔÚjspÒ³ÃæÖн«»Ø³µ»»Ðзû´æÈë±íÖз½·¨
1.ÔÚÒ»¸ötextareaÖÐÊäÈëÒ»¶ÎÎÄ×Ö£¬Óл»ÐÐʱ£¬½«»»ÐзûÒ»Æð²åÈëÊý¾Ý¿âÖÐ
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public   static   String   TextToHtml(String   sourcestr)      
  {       ......

JFreeChartÔÚJSPÖеÄÓ¦ÓÃʵÀý

    JFreeChart ÊÇÒ»¸ö¿ªÔ´µÄ JAVA ÏîÄ¿£¬ËüÖ÷ÒªÓÃÀ´¿ª·¢¸÷ÖÖ¸÷ÑùµÄͼ±í£¬ÕâЩͼ±í°üÀ¨£º±ýͼ¡¢Öù״ͼ ( ÆÕͨÖù״ͼÒÔ¼°¶ÑÕ»Öù״ͼ ) ¡¢Ïßͼ¡¢ÇøÓòͼ¡¢·Ö²¼Í¼¡¢»ìºÏͼ¡¢¸ÊÌØÍ¼ÒÔ¼°Ò»Ð©ÒDZíÅ̵ȵȡ£ÔÚÕâЩ²»Í¬Ê½ÑùµÄͼ±íÉÏ¿ÉÒÔÂú×ãĿǰÉÌҵϵͳµÄÒªÇó¡£ JFreeChart ÊÇÒ»ÖÖ»ùÓÚ JAVA ÓïÑÔµÄͼ±í¿ª·¢¼¼Êõ¡£ JFr ......

Á˽âJSPÖÐrequestÊôÐÔµÄÓ÷¨


±¾ÎĽéÉÜJSPÖÐrequestÊôÐÔµÄÓ÷¨£¬ÒÔ¼°request.getParameter() ºÍrequest.getAttribute() Çø±ð¡£
Ò»¡¢request.getParameter() ºÍrequest.getAttribute() Çø±ð
1.request.getParameter()È¡µÃÊÇͨ¹ýÈÝÆ÷µÄʵÏÖÀ´È¡µÃͨ¹ýÀàËÆpost£¬getµÈ·½Ê½´«ÈëµÄÊý¾Ý£¬request.setAttribute()ºÍgetAttribute()Ö»ÊÇÔÚwebÈÝÆ÷ÄÚ²¿Á÷ת£¬½ ......

jsp Í·Îļþ cookie

<%
Cookie[] cooks = request.getCookies();
String cookieName = "Mycookie";
boolean flag = false;
for(Cookie cook : cooks)
{
if(cook.getName().equals(cookieName))
{
    flag = true;
    break;
}
}
if(!flag){
String str=System.currentTimeMillis()+"";
Cook ......
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