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(1). forward()·½·¨
ʹÓõ½javax.servlet.RequestDispatcherÀà
RequestDispatcher rd = getServletContext().getRequestDispatcher("url");
rd.forward(requestVar,requestVar); //´«µÝservletµÄÈë¿Ú²ÎÊý
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getServletContext().getRequestDispatcher("url").forward(requestVar,responseVar);
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1.ServletContextµÄgetRequestDispatcher()
2.ServletContextµÄgetNamedDispatcher()
3.ServletRequestµÄgetRequestDispatcher()
4.ServletResponseµÄsendredirect()½øÐÐתÏò¡£
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(2).response.sendRedirect(url);
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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">
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</head>
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(4).JavaScriptÌø×ª
A: <script languate="javascript">
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v512_servlet+jsp
01 ÔÚÐÞ¸ÄÍêCookieºó,Ò»¶¨Òª¼ÓÉÏresponse.addCookie(c);
CookieÖÐÖ»Äܱ£´æ×Öĸ»òÊý×ÖÐÅÏ¢;
02 req.getSession()Óëreq.getSession(boolean create)
ÎÞ²ÎÊýµÄ == ÓвÎÊýµÄ²ÎÊýÎ ......
ͨ¹ýjsp(SUNÆóÒµ¼¶Ó¦ÓõÄÊ×Ñ¡)³ÌÐò»ñµÃdatabaseÀïµÄÊý¾Ý£¬È»ºóͨ¹ý³ÌÐò¿ØÖÆÆäÏÔʾ·½Ê½£¬ÕâÖÖ·½Ê½Ã÷ÏÔȱµãÊÇÈç¹ûÊý¾ÝÁ¿±È½Ï´óµÄʱºò»áÓÐÃ÷ÏÔµÄÐÔÄÜϽµ
ÏÖ½«²âÊÔ´úÂë·îÉÏ£¬¾¡¹ÜÎÒ¾¡Á¿ÏÞÖÆ´úÂëµÄ³¤¶È
ÏÈ˵Ï¿ª·¢²½Ö裻DB½Å±¾£¬²âÊÔ»ñµÃµÄÊý¾ÝÊÇ·ñÕýÈ·µÄÏÔʾÔÚÒ»¸ötableÖУ¬Ìí¼ÓÄÇ ......
Ô´³ÌÐò
<%String sConn="ÄãµÄÁ¬½Ó"
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn=DriverManager.getConnection(sConn,"ÄãµÄÓû§Ãû","ÃÜÂë");
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
Statement stmtcount=conn.createStat ......
<script language="javascript">
function window.onunload(){
//ËùÓд°¿Ú¹Ø±Õ
if((window.screenLeft>=10000 && window.screenTop>=10000) || event.altKey)
{ //µã»÷ÓÒÉϽǵĴ°¿Ú¹Ø±Õ
alert("aaaaaaaaaaaaaaaaaa");
}
}
</s ......
String url="http://www.baidu.com";
ActionForward gotourl = new ActionForward(url);
gotourl.setPath(url);
gotourl.setRedirect(true);
return gotourl;
1.RequestDispatcher.forward()
¡¡¡¡ ÊÇÔÚ·þÎñÆ÷¶ËÆð×÷ÓÃ,µ±Ê¹ÓÃforward()ʱ,Servlet engine´ ......