JSPÒ³ÃæÌø×ª´óÈ«
	
    
    
	JSPÒ³ÃæÌø×ª´óÈ«
JSPÖеÄÌø×ª£º 
(1). forward()·½·¨ 
    ʹÓõ½javax.servlet.RequestDispatcherÀà 
    RequestDispatcher rd = getServletContext().getRequestDispatcher("url"); 
    rd.forward(requestVar,requestVar); //´«µÝservletµÄÈë¿Ú²ÎÊý 
    /*forwardº¯ÊýÒѾ°ÑÔÒ³ÃæµÄrequest,response¶ÔÏó´«ÈëеÄÒ³Ãæ£¬Òò´ËÕâоÉÒ³ÃæÓµÓÐÏàͬµÄrequest,response¶ÔÏó¡£request.getparameter("var")¾Í¿ÉÒԵõ½ÏàÓ¦µÄÖµ.*/ 
    /*forward()ÊÇÖ±½ÓÔÚserver×öµÄ£¬ä¯ÀÀÆ÷²¢²»ÖªµÀ£¬Ò²²»ºÍä¯ÀÀÆ÷´ò½»µÀ£¬ä¯ÀÀÆ÷µÄµØÖ·²»±ä»¯¡£*/ 
    ¼´£º 
    getServletContext().getRequestDispatcher("url").forward(requestVar,responseVar); 
    ·þÎñÆ÷¶ËServlet½øÐÐתÏòµÄ4ÖÖ·½·¨£º 
    1.ServletContextµÄgetRequestDispatcher()     
    2.ServletContextµÄgetNamedDispatcher()    
    3.ServletRequestµÄgetRequestDispatcher()    
    4.ServletResponseµÄsendredirect()½øÐÐתÏò¡£ 
    forward·½·¨£¬ÒòΪÕâЩÕâÑù±È½Ï¸ßЧ¡£Ö»ÓÐÔÚforward·½·¨²»ÄÜʹÓÃʱ£¬ÔÙʹÓÃservletresponseµÄsendredirect()·½·¨¡£ 
(2).response.sendRedirect(url);   
    ÆäʵÊÇÏòä¯ÀÀÆ÷·¢ËÍÒ»¸öÌØÊâµÄHeader£¬È»ºóÓÉä¯ÀÀÆ÷À´×öתÏò£¬×ªµ½Ö¸¶¨µÄÒ³Ãæ£¬ËùÒÔÓÃsendRedirectʱ£¬ä¯ÀÀÆ÷µÄµØÖ·À¸ÉÏ¿ÉÒÔ¿´µ½µØÖ·µÄ±ä»¯¡£ÐÂÒ³Ãæ²»ÄÜ´¦Àí¾ÉÒ³ÃæµÄpagecontext(request,response,...)¶ÔÏó. 
    ÔÚresponse.sendRedirectÖ®ºó£¬Ó¦¸Ã½ô¸úÒ»¾äreturn; 
(3).HTMLÓïÑÔµÄ×Ô¶¯Ìø×ª 
    <html> 
    <head> 
        <meta http-equiv="refresh" content="0;url="http://www.baidu.com"> 
        0Êǵȴýʱ¼ä£¬Èç¹ûÉèÖÃΪ5±íʾµÈ´ý5sºó¿ªÊ¼Ìø×ª 
    </head> 
    ………… 
(4).JavaScriptÌø×ª 
A:    <script languate="javascript"> 
&n
    
     
	
	
    
    
	Ïà¹ØÎĵµ£º
        
    
    <script language="javascript"> 
var times=6; 
clock(); 
function clock() 
{ 
   window.setTimeout('clock()',1000); 
   times=times-1; 
   time.innerHTML =times; 
} 
</script>
<head>
<meta http-equiv= "Refresh" content= "5;url=index.jsp "& ......
	
    
        
    
    ÄãµÄ¿ì½Ý½¨ÉèÖÃÓÐÎÊÌ⣬ÄãÖØÐÂÉèÖÃÒ»ÏÂÔÚ window --> Perferences--> General--> keys 
½«Content Assist¿ì½Ý¼üÉèÖóÉAlt + /¾Í¿ÉÒÔÁË 
Èç¹ûÄã·¢ÏÖµãÁËApply¹ØÁËÖ®ºó£¬Ôٴδò¿ªContent AssistµÄ¿ì½Ý¼üûÓиıäµÄ»°£¬ÄÇÊÇÒòΪÏÂÃæÓÐÒ»¸öÑ¡ÏîÒѾÓõ½ÁËAlt + /£¬¾ßÌåÊÇÄÄÒ»¸öÎҼDz»ÇåÁË£¬Äã°ÑÄǸöcommandµÄ¿ì½Ý¼ü¸ ......
	
    
        
    
    <%@ page contentType="text/html; charset=gbk" language="java" import="java.sql.*" errorPage="" %>
<%@ page import="java.io.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w ......
	
    
        
    
    ²»´¦ÀíÌåÄÚÈݵıêÇ©Àí½âÒ»ÏÂͼƬ1
´¦ÀíÌåÄÚÈݱêÇ©Àí½âÌáͼƬ2
1£ºJspWriter out = pageContext.getOut();
2£ºBodyContent bc = this.getBodyContent();
 3£ºString input = bc.getString();
 4£ºJspWriter out = bc.getEnclosingWriter();
²»´¦ÀíÌåÄÚÈÝ
µÚÒ»ÐдúÂëΪ²»´¦Àí±êÇ©ÌåÄÚÈÝʱÄõ½ÐèÒªµÄÊä³öµ½Ò³ ......
	
    
        
    
    
Äãʱ³£±»¿Í»§±§Ô¹JSPÒ³ÃæÏìÓ¦ËٶȺÜÂýÂð£¿ÄãÏë¹ýµ±¿Í»§·ÃÎÊ´ÎÊý¾çÔöʱ£¬ÄãµÄWEBÓ¦ÓÃÄܳÐÊÜÈÕÒæÔö¼ÓµÄ·ÃÎÊÁ¿Âð£¿
      ±¾ÎĽ²ÊöÁ˵÷ÕûJSPºÍservletµÄһЩ·Ç³£ÊµÓõķ½·¨£¬Ëü¿ÉʹÄãµÄservletºÍJSPÒ³ÃæÏìÓ¦¸ü¿ì£¬À©Õ¹ÐÔ¸üÇ¿¡£¶øÇÒÔÚÓû§ÊýÔö¼ÓµÄÇé¿öÏ£¬ÏµÍ³¸ºÔØ»á³ÊÏÖ³öƽ»¬Éϳ¤µÄÇ÷ÊÆ¡£ÔÚ±¾ÎÄÖ ......