?10? Web?????????

1
?10? Web?????????

• 10-1 Web???????
• 10-2 ??ASP.NET?Web????
• 10-3 ????????
• 10-4 Application?Session??
• 10-5 Global.asax?????
• 10-6 Cookies???
• 10-7 Request???????
• 10-8 ????Web????

2
10-1 Web???????

• 10-1-1 ?IIS??Web????
• 10-1-2 ?VWD???????
• Web????

3
10-1 Web???????

• ASP.NET??????(Applications)????ASP.NET?????Web????
  ,????????????,??????????????
• ASP.NET????????????.NET Framework????,?????Web????
  ???????,????Web?????

4
10-1-1 ?IIS??Web????

• ?IIS?Web??????????,??????????Web??????????????????
  ?Web????,??????????????Web?????
• ?IIS??Web???????,????
• ?IIS????????????Web?????
• ??????(Virtual Directories)????????????Web???,???
  ??????????,?????Web????,????????1-5-3??
• ??????????????????????????Web?????

5
10-1-2 ?VWD???????Web????-1

• VWD????ASP.NET????????????,???,???1.0/1.1???Cassin
  i???Web???,????ASP.NET???Web???,????IIS??????ASP.N
  ET?????
• ?VWD???Ch10?????????ASP.NET??Default.aspx?,???????
  ??????????,?????

6
10-1-2 ?VWD???????Web????-2

• ???????????,??????????????,????????????,??VWD?????
  ?????????Web????,????????1059??Web?????

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10-2 ??ASP.NET?Web????

• 10-2-1 Web.Config???
• 10-2-2 Web?????????

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10-2-1 Web.Config???-??

• Web????ASP.NET??Web???????????,????XML??,??Web????
  ?????XML??,??????ASP.NET????????
• ????????????Web????????Web.Config?????,??,????????
  ????????Web????????,??????Web.Config????????

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10-2-1 Web.Config???-??

• lt?xml version"1.0" encoding"utf-8"?gt
• ltconfigurationgt
• ltappSettings/gt
• ltconnectionStringsgt
• ltadd name"iPodsConnectionString"
• connectionString"Provider"
• providerName"System.Data.OleDb" /gt
• lt/connectionStringsgt
• ltsystem.webgt
• ltcompilation debug"false" /gt
• ltauthentication mode"Windows" /gt
• ltcustomErrors mode"RemoteOnly"
• defaultRedirect"GenericErrorPage.htm"
  gt
• lterror statusCode"403"
  redirect"NoAccess.htm" /gt
• lterror statusCode"404"
  redirect"FileNotFound.htm" /gt
• lt/customErrorsgt
• lt/system.webgt
• lt/configurationgt

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10-2-2 Web?????????-??

• ?Visual Web Developer??Web???ASP.NET??????,???VWD?
  ??Ch10????,????????ASP.NET?????,??????????Web?????
  ?,?????

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10-2-2 Web?????????-?????

• ????????Web?????????,???????????????????????,?????
  ???17??

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10-2-2 Web?????????-??????

• ????????Web?????????SMTP????????????????????,?????
  

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10-2-2 Web?????????-?????

• ???????????????(Data Provider),????AspNetSqlProvid
  er????

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10-3 ????????

• 10-3-1 ????????
• 10-3-2 ??????????

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10-3-1 ????????-??

• ????????,??HTTP??????????????????,????????????????
  ?????????????
• ???????ASP.NET???,???????????????,??????????????W
  eb?????????

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10-3-1 ????????-??

• ????????????ASP.NET??????Application??????,?????
  ????????
• ?????????????ASP.NET????Session???????,?????????
  ????

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10-3-2 ??????????

• ASP.NET???????,????
• Application?Session???
• ASP.NET 2.0??Profile??,????17??
• ??Cookies?????????
• ?Web???????????ASP.NET??,?????????????ASP.NET??,??
  ASP.NET????????
• Request?????????URL??,????????????ASP.NET??,?ASP
  3.0???????

18
10-4 Application?Session??

• 10-4-1 Application?Session?????
• 10-4-2 Application?????
• 10-4-3 Session?????

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10-4-1 Application?Session?????-??

• ?ASP.NET?Web????????Application??,?????????????Ses
  sion??,?????

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10-4-1 Application?Session?????-Application??

• Application??????????Application???????,??????Web?
  ?????????????????????????????????Application??????
  ???1?2?????Application???
• Application?????????1?Session???????,??Web????????
  ????????Web????????????

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10-4-1 Application?Session?????-Session??

• ASP.NET??Session?????Web???????ASP.NET??????ASP.NE
  T????????????ASP.NET???????????Session?????,?????S
  ession?????Session??????
• ???????Session????????Web?????ASP.NET???,?????????
  ?????Session??,???????Session ID?????????????????
  ????ID?Session??,??????????Session??,????Web??????
  ??????????

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10-4-2 Application?????-1

• ?????Web?????????????,?????Application??,?????????
  ???????,?????????
• Application("Page_Counter") 0
• ???????ASP.NET????????,??????"Page_Counter",??Appl
  ication()????????????,????Application??Page_Counte
  r????

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10-4-2 Application?????-2

• ?????????????,??2????????Application???????,??????
  ,????Application??,????????????,????????,Applicati
  on???????????????????????Application??,????
• Application.Lock()
• Application("Page_Counter") _
• Application("Page_Counter")1
• Application.Unlock()

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10-4-3 Session?????-??

• Session????????Web????????Session??,????????????Se
  ssion??,????????Session??????,??????????,?????????
  ??ASP.NET????????????Session???

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10-4-3 Session?????-?????
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10-4-3 Session?????-????

• Session????????????,????,??????Session???Web??????
  ?????ASP.NET??,????
• Session("UserName") name.Text
• Session("UserPassword") pass.Text
• ?????????Session?????Abandon()??,????????ASP.NET??
  ,???????Session???,????
• name Session("UserName")
• password Session("UserPassword")

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10-5 Global.asax?????

• 10-5-1 ?VWD??Global.asax??
• 10-5-2 Global.asax?????
• 10-5-3 Global.asax?????

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10-5 Global.asax?????

• Global.asax??????,?ASP.NET?Web?????????????,??Web?
  ????????Application?Session?????,?????????????Glob
  al.asax???
• ?ASP.NET?Web??????Global.asax???,???!??Web????????
  ???Global.asax??,????Web?????????

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10-5-1 ?VWD??Global.asax??

• ASP.NET?Global.asax???ANSI????,??Windows????VWD???
  ??Global.asax???????Visual Web Developer??Global.a
  sax?????,????
• 1. ???VWD???Ch10????,??????????????????,??????????
  ??????
• 2. ???????????(????????,????????),??????????????Gl
  obal.asax???

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10-5-2 Global.asax?????-??

• lt_at_ Application Language"VB" gt
• ltscript Runat"server"gt
• Sub Application_Start(ByVal Sender As Object, _
• ByVal E As EventArgs)
• End Sub
• Sub Application_End(ByVal Sender As Object, _
• ByVal E As EventArgs)
• End Sub
• Sub Application_Error(ByVal Sender As Object, _
• ByVal E As EventArgs)
• End Sub
• Sub Session_Start(ByVal sender As Object, _
• ByVal e As EventArgs)
• End Sub
• Sub Session_End(ByVal sender As Object, _
• ByVal e As EventArgs)
• End Sub
• lt/scriptgt

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10-5-2 Global.asax?????-??
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10-5-3 Global.asax?????-1

• ??????ASP.NET???,??????????Session??,????ASP.NET??
  ??????Global.asax???
• ???Global.asax??,???ASP.NET???????,????1????,???Ap
  plication???Start??,??Global.asax???Application_St
  art()??????,????Session??,??Global.asax????,????Se
  ssion_Start()???????

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10-5-3 Global.asax?????-2

• ?Session????TimeOut?????(??20??)???Abandon()??,??S
  ession????,???Session???End????Session_End()??????
  ,????????Session??????
• Web???????,???Application???????Application_End()?
  ?????,????????????Session??,?????????Session_End()
  ???????

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10-6 Cookies???

• 10-6-1 Cookies???
• 10-6-2 ??Cookie
• 10-6-3 ??Cookie??
• 10-6-4 ??Cookie
• 10-6-5 ??Cookie???

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10-6-1 Cookies???-??

• Cookies?????????,????????????????????,Cookies?????
  ???????,???????Web???????
• ?ASP.NET??????????????Cookie,???Cookie??????,?????
  ?????Web?????

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10-6-1 Cookies???-??

• Cookies????????????,??Cookies?????????????,????
• ??????Cookies??????,???????????????????????
• ?????Cookies??????????????????????,??????????????
  
• ????????????????????????,Cookies??????????????

37
10-6-2 ??Cookie

• Cookie???????,????????Cookie?,??Cookie???Response?
  ??Cookies?????Cookie,????????
• Dim name As String "???"
• Response.Cookies("UserName").Value name
• ???Cookie??????Cookie?Expires??,?Cookie???????????
  ?,????
• Dim dtDay As Date DateAdd("D", 10, Today)
• Response.Cookies("UserName").Expires dtDay

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10-6-3 ??Cookie??

• ??????????Cookie,ASP.NET??????Request???Cookies???
  ???????Cookie?,????
• name Request.Cookies("UserName").Value
• ?????????Cookie??UserName??,?????????name?

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10-6-4 ??Cookie

• ????Cookie??????,?ASP.NET??????Cookie,??????Expire
  s??????????,????
• Dim dtDay As Date DateAdd("D", -365, Today)
• Response.Cookies("UserName").Expires dtDay
• ???????????????,??Cookie????,????,????Cookie?

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10-6-5 ??Cookie???-??

• Cookie????????????,???Cookie???????Key????????,???
  Cookie????????????

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10-6-5 ??Cookie???-?????Cookie

• ?ASP.NET??????Cookie,???????????,????
• Response.Cookies("User")("UserName") "???"
• Response.Cookies("User")("Password") "1234"
• Response.Cookies("User").Expires _
• DateAdd("D",10,Today)

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10-6-5 ??Cookie???-?????Cookie?

• ??Cookie????,??Cookie??????????,???????,????
• name _
• Request.Cookies("User")("UserName")
• pass Request.Cookies("User")("Password")

43
10-6-5 ??Cookie???-?????Cookie

• ??Cookie?????10-6-4???,???Cookie?Expires???????,??
  ???Cookie??????Cookie??????,????????????,????
• Response.Cookies("User")("Password") ""
• ???????Cookie???User?Password???

44
10-7 Request???????

• 10-7-1 Form?QueryString????
• 10-7-2 Request???????

45
10-7-1 Form?QueryString????-ASP 3.0??????

• ASP 3.0??????????Request???Form?QueryString???????
  ????,????
• ??HTML/XHTML???????????HTTP???????????????,????PO
  ST?GET??,????
• ltform name"name" method"POST GET"
• action"URL"gt
• .
• lt/formgt
• URL????????????????,??????1024????

46
10-7-1 Form?QueryString????-Form????

• ????????POST??????,???????????,??HTTP????????????W
  eb???,????????Form?????????,???????
• Request(("FieldName")
• Request.Form("FieldName")

47
10-7-1 Form?QueryString????-QueryString????

• ????????GET??????,??????????,??URL?????????Web???,
  ?????????,????????,?????????,????
• http//localhost/Ch10-7-2.aspx?fname1value1fname
  2value2
• ???????????,??Enter??,????????QueryString?????????
  ,????
• Request(("FieldName")
• Request.QueryString(" FieldName")

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10-7-2 Request???????

• Request?????????????????????????,????????URL??????
  ????ASP.NET???
• URL???????????GET???????,????QueryString????,POST?
  ????Form???????URL??????,????
• name Request("Username")
• pass Request("Password")
• ???????QueryString?Form????,????,?????URL?????POST
  ???????,????????????????

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10-8 ????Web????-??

• ASP.NET 2.0?????PreviousPage?????ASP.NET???Web????
  ?????,?????Web???????????ASP.NET??(?????),????????
  ?????ASP.NET???

50
10-8 ????Web????-??Web??????

• ASP.NET 2.0?????PreviousPage?????ASP.NET???Web????
  ?????,?????Web???????????ASP.NET??(?????),????????
  ?????ASP.NET???
• ?Web???Button???????PostBackUrl??????????ASP.NET??
  ,????
• ltaspButton Id"Button" Text"???"
• Runat"server"
• PostBackUrl"Ch10-8Second.aspx"/gt
• ??Button??????????ASP.NET??Ch10-8Second.aspx?

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10-8 ????Web????-?????Web??????

• ASP.NET???Page_Load()??????,????FindControl()?????
  ??ASP.NET??????,????
• Dim txt As TextBox
• txt PreviousPage.FindControl("user")
• name.Text txt.Text
• txt PreviousPage.FindControl("pass")
• pass.Text txt.Text
• ???????PreviousPage????????Page???,??FindControl()
  ????????????,??????user?pass?2?TextBox???,????Text
  ????????