|
ÔÚasp.netµÄwebÒ³ÃæÖÐÊDz»ÊÇûÓÐÈ«¾Ö±äÁ¿?
Óеģ¬ÔÚClassÀàÄÚ²¿µÄ¶¼ÊÇ£¬Ö»²»¹ýÔÚWebWofm³ÌʽÖиúWinFormºÍConsole³ÌʽÓÐЩÇø±ð£¬
µ±Ò³ÃæË¢ÐÂʱ£¬ËüÃǵÄÖµ²»»á±£³Ö£¬ÒÀÈ»»áÔٴγõʼ»¯.
Q:ÔÚWebFormÖУ¬Ò»°ãÓÃViewState¸¨Öú´æ´¢È«¾Ö±äÁ¿µÄÖµ.
ÊDz»ÊÇÖ»ÄÜÓÃsession,cookieµÈÀ´ÊµÏÖÈ«¾Ö±äÁ¿?
Q:ÓÃViewState
webÒ³ÃæÖеÄstatic±äÁ¿ÊDz»ÊÇÈ«¾Ö±äÁ¿?ʹÓÃstatic±äÁ¿·¢ÏÖ×ܳöÎÊÌâ,ÓÐʱÕý³£,ÓÐʱÒì³£Ò»ºÎÔµ¹Ê?
Q:ÊÇÈ«¾Ö±äÁ¿£¬µ«×îºÃ²»ÒªÓã¬ÔÚ·Ö²¼Ê½³ÌÐòÖУ¬Èç¹û¼¸¸ö¿Í»§¶Ë¶¼ÔÚ·ÃÎÊͬһ¸ö½çÃ棬Ôò
ÕâЩ½çÃæÖеÄstaticÀàÐ͵ĶÔÏó¶¼Êǹ²ÏíµÄ£¬Ò²¾ÍÊÇ˵һ¸ö¿Í»§¶Ë´ËʱÐÞ¸ÄÁ˱¾½çÃæÖеÄstatic
¶ÔÏóµÄÖµ£¬ÆäËüÓû§½çÃæÖеÄstaticÖµÒ²»á¸úןıä. »áµ¼Ö²»¿ÉÔ¤ÁϵÄÇé¿ö·¢Éú
sessionÒ»¶¨ÒªÔÚglobal.asxÖгõʼ»¯¶¨ÒåÂð?
Q£ºSession´æ´¢ÔÚ·þÎñ¶Ë£¬µ±¿Í»§¶ËµÚÒ»¸ö½çÃæÆô¶¯Ê±£¬Ëü¾Í²úÉúÁË£¬¿ÉÒÔÔÚËùÓÐÒ³ÃæÖÐÓÃ.
¾ßÌåÓ÷¨Çë¿´:
¼¸ÖÖ³£ÓõıäÁ¿:
ApplicationÊÇÓ¦ÓóÌÐò¼¶±äÁ¿,Èç¹ûÓõ½¶à¸öÓû§Ö®¼äµÄͨÐŵÄʱºòÓÃ
Session ÊÇÓû§±äÁ¿,Ò»¸öÓû§·ÃÎʶà¸öÒ³Ãæʱ¿ÉÒÔ±£´æÊý¾Ýµ½ÁíÒ»¸öÒ³Ãæ,Ö»Òª´ËÓû§²»×¢Ïú¾Í¿ÉÒÔ
ViewState Ò³Ãæ±äÁ¿,Ï൱ÓÚÒ³ÃæÈ«¾Ö±äÁ¿,µ«ÊÇÒ»µ©Í˳öµ±Ç°Ò³Ãæ,Ëü¾Í»á¶ªÊ§
Ó÷¨:
Èç¹ûÓÐÁ½¸öÈË: ¼×ºÍÒÑÔÚͬѧ·ÃÎÊÒ»¸öÍøÕ¾
1.
Sessin["UserID"] = "¼×";// ±íʾֻҪ¼×²»×¢Ïú,²»ÎÄÂ×Ìøµ½ÄĸöÒ³Ãæ,string str = Session["UserID"]¶¼±£´æ³õʼ»¯Ê±µÄÊý¾Ý,³£ÓÃÓÚÔÚ: Page_LoadʼþÖÐ,ÑéÖ¤Éí·Ý
page_Load()
{
if(Session["UserID"] == null || Session["UserID"] == "")
{
Response.Redirect("µÇ¼ҳÃæ,ÖØеǼ");
}
else
{
³ÊÏÖ³öÒ³Ãæ
}
}
2.
Application["x"];
Ö»Òª¸³ÁËÖµ,Èç: Application["x"]; Ôò¼×ºÍÒÑ¿ÉÒÔ¹²Ïíµ½´ËÖµ,¿ÉÒÔÓÃÓÚ¼ÆÊýÆ÷,¼Ç¼վµã·ÃÎÊÁ¿
Ö»ÒªÒ»¸öÓû§µÇ¼,ÔòApplication["x"] += 1;//¼ÓÒ»¸öÊý,±íʾÓиöÐÂÓû§¸Õ¸ÕµÇ¼
3.
this.ViewState["y"] = "abcde";
Ôò±íʾÔÚ±¾Ò³ÃæÖÐ,this.ViewState["y"] Öµ¿ÉÒÔ×÷Ϊȫ¾Ö±äÁ¿Ê¹ÓÃ,Ö»Òª²»Í˳ö±¾Ò³Ãæ,
°üÀ¨Ë¢ÐÂÒ³Ãæ,Ëü¶¼²»»á¶ªÊ§
4.cookie
string a="a";
HttpCookie Cookie = new HttpCookie(a);
Cookie.Values.Add(a,"abc");
// ÉèÖùýÆÚʱ¼ä.
DateTime datCookie = DateTime.Now;
int intCookieTimeOut = 30;
TimeSpan tsCookie = new TimeSpan(intCookieTimeOut,0,0,0);
Cookie.Expires = datCookie.Add(tsCookie);
try
{
Response.Cookies.Remove(a);
}
catch{}
Response.Cookies.Add(Cookie);
|
|
ÎÄÕÂ
|
20144
|
|
´´½¨ÈÕÆÚ
|
2-25-2014
|
|
×÷Õß
|
xuzh
|
|
ÆÀ·Ö
|
(None)
|
|
´Ê»ã±í Glossary
ÁªÏµÎÒÃÇ Contact Us
Êý¾Ý¿â
¹¤×÷ÐĵÃ
Email
Print
Add Comment