无组件上传图片到数据库中，最完整解决方案

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1^# 大中小发表于 2007-6-23 10:30 只看该作者

无组件上传图片到数据库中，最完整解决方案

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up.htm  - a/ u$ o3 Y5 j% e
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!--#include file="inc/domin.asp"--
!--#include file="conn.asp"--
html
head
title% =webname %/title" _9 Q: p4 y0 o/ |1 Z/ |* N. F+ f
meta http-equiv="Content-Type" content="text/html; charset=gb2312"
link rel="stylesheet" href="main.css" type="text/css"
style type="text/css"
!--& \* V$ K/ S- }9 T
.tx1 { height: 20px; width: 30px; font-size: 9pt; border: 1px solid; border-color: black black
6 ^& y3 H0 H" n( p
#000000; color: #0000FF}* Z9 p9 |! u+ k. ~' j/ ]
--: S$ }5 @. B4 j* j1 e7 ?
/style
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script language="JavaScript"! x: e5 D: j4 B4 N
!--: n) N% {# F2 ]" a* v8 t9 z7 i5 X
var bgc_on=new Array("#74D738","#FF9C17","#3278AB","#486177","#078C00","#007ECA")( W* F2 H" Y6 r; c9 k  [( d) }
var bgc_off=new Array("#4CAD12","FFB859","5F9FD0","577590","08A700","009FFF")  ( J0 g4 S' i9 U3 y, f- N

function turnon(obj1,id){
obj1.style.background=bgc_on[id];' d* h7 v7 o+ ^! `/ m( X
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function turnoff(obj1,id){0 O1 K0 V  K" |" p
obj1.style.background=bgc_off[id];
}  + i8 t( N$ |1 D8 X; ^
& y3 S- A' N1 J; m, U8 \
//--  }' v5 }+ t* ]/ `4 V) w
/script
SCRIPT language=javascript
function check_input()
{ ! E, n7 P2 _6 N4 d5 ?7 r) I: j8 q
if (Frm.pic.value=="")5 w0 r) W( Q' {6 x. N5 S) E8 j
{ alert("请选择要上传的图片");, Q* E* i6 J; B  y# I
return false;
}; D! a7 i. W& w
if (Frm.type.value=="")
{ alert("请选择图片类型");0 o6 p" ?3 s  j) m# E
return false;3 l% k9 \) [, }8 o, R
}
if (Frm.thetext.value=="")
{ alert("请输入照片说明");$ m) L' J+ D+ O. Q' ]" f0 P: p
return false;
}5 q) ^9 ~' L- I( _  H
return true;, Z2 t% X1 |; }
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/SCRIPT
/head  3 |# e- ]5 J8 s

body bgcolor="#555555" text="#000000" leftmargin="0" topmargin="0", I) V2 I; D2 J5 o
table width=755 cellpadding=0 cellspacing=0 border=0 bgcolor=#ffffff align="center"
tr; k/ j- W4 s5 _0 @/ U0 q# @8 R' `
td height=100img src="img/top.gif" align="top"
/table  $ a: o+ ^6 P# C$ ^
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!--#include file="inc/mulu.asp"--
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table width=755 cellpadding=0 cellspacing=0 border=0 bgcolor=#ffffff align="center" bordercolor=#000000" G6 U; T  x% P# s! `" q; Y
tr
td height=400 width=180 bgcolor=#D1E9D5 style="border-right: 1px #0E801E solid"
table width=100% height=100% cellpadding=0 cellspacing=0 border=0 align="center" bordercolor=#000000' \$ `6 `) M# `
trtd height=30 align="center" class=L15font color=#E96D08欢迎你：% =username % 管理中心/font
trtd height=23 align="center" class=L15 bgcolor=#4CAD12 style="border-top:0px #0E801E solid; border-bottom:1px #0E801E solid;"font color=#C2F009 class=yinying管理中心/font; s' o' ]4 D$ d  s* G
trtd height=20 class=L13
!--#include file="inc/centermulu.asp"--
trtd height=5
trtd / l5 L: J% a  g, L0 c0 N1 K
/table
td: L, p" s2 n% G# P. i
%
set rs=server.createobject("adodb.recordset")2 U; ~/ |) }6 x# J8 f8 P
sql="select * from photo where author='"username"'". D2 K7 m; ^4 m" [! o1 Y
rs.open sql,conn,1,1
%
table cellpadding=0 cellspacing=0 border=0 width=100% height=100%, t7 `; b% ~9 Z8 H1 D
trtd height=3: h8 y% R8 d6 J& F
trtd height=3 bgcolor=#ffffff background=img/bj3.gif
trtd height=20 valign="bottom" bgcolor=#eeeeee 现在位置： 98243班 - 管理中心 - 添加新闻 + r6 `. D) g  W! K
trtd height=3 bgcolor=#eeeeee style="border-bottom: 1px #cccccc solid"p style="font-size:1pt" 1 f/ j$ |) N# I6 z; D% t
trtd height=20 valign="bottom" font color=green% =username %：你一共上传了 font color=red% =rs.recordcount %/font 张照片/font a href="adminphoto.asp"font color=redu管理以前上传的照片/u/font/a( u1 l1 W* _  s3 |# P: R: v
trtd bgcolor=#ffffff valign=top
table cellpadding=0 cellspacing=0 border=0 width=95% height=100% align="center"! |" }- d7 j: o0 B$ d
form action=addphoto.asp method=post name=Frm onSubmit="return check_input()" enctype="multipart/form-data", p4 M9 G2 \% X
trtd height=20 colspan=23 W' R3 H7 C4 f& p- h7 v% C
trtd height=25 width=15% align="right" class=L13选择照片： td input NAME="pic" TYPE="FILE" class="tx1" style="width:300" font color=red拒绝色情、写真图等/font  & t  P% \4 {" I

trtd height=25 width=20% align="right" class=L13照片分类： td select name="type"! q" I; x; W5 u+ G
option selected value=""选择类型/option+ @1 [/ A4 M, F% f; @
option value="班级合影"班级合影/option
option value="个人照片"个人照片/option
option value="恩师照片"恩师照片/option
option value="情人照片"情人照片/option, p  F9 }. z9 K/ d
option value="友人照片"友人照片/option! X5 y: a/ {9 f/ w9 b
option value="其他照片"其他照片/option
/select  / Q9 x$ Y2 c4 p  J

trtd height=25 width=20% align="right" class=L13照片说明： td textarea name="thetext" cols="46" rows="7" style="border:1px double rgb(88,88,88);font:9pt"& I# m) w9 ]" \8 {3 r
/textarea font color=red最多20个字符/font
trtd height=5 colspan=2
trtd height=25 colspan=2 align="center"& \% U4 V# h' P0 |' r5 \
input type="submit" name="Submit" value=" 提交 " style="border:1px double rgb(88,88,88);font:9pt"
　　 input type="reset" name="Reset" value=" 重写 " style="border:1px double rgb(88,88,88);font:9pt"
trtd colspan=2
/tr/form1 @% w+ g/ c! r% t! E' m
/table5 ^, [7 C9 B) _" t! v/ L# h
/table
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/table; l! r  i2 M8 A9 C( Q
!--#include file="inc/footer.asp"--
/body
/html
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% j- ?( C7 _3 l7 ~0 I- |
fupload.inc

SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT
'限制上传图片大小
Dim UploadSizeLimit

'********************************** 得到上传数据 **********************************8 o1 {+ k. l2 u6 E. `
Function GetUpload()
Dim Result
Set Result = Nothing: f$ D" R8 h# S! l" ~
If Request.ServerVariables("REQUEST_METHOD") = "POST" Then 'Request method must be "POST"
Dim CT, PosB, Boundary, Length, PosE1 w0 z# ~# o; P0 M8 G! M3 j& i
CT = Request.ServerVariables("HTTP_Content_Type") 'reads Content-Type header+ M5 |" k8 U/ q# f5 q. i
If LCase(Left(CT, 19)) = "multipart/form-data" Then 'Content-Type header must be "multipart/form-data"
'This is upload request.
'Get the boundary and length from Content-Type header+ ^8 [) y2 }1 G9 O
PosB = InStr(LCase(CT), "boundary=") 'Finds boundary
If PosB  0 Then Boundary = Mid(CT, PosB 9) 'Separetes boundary5 P! \) @9 }4 j7 R+ K% o0 j
Length = CLng(Request.ServerVariables("HTTP_Content_Length")) 'Get Content-Length header# o/ f. J+ A" @+ t% n
if ""  UploadSizeLimit"" then4 p. @2 @8 k. R( _( z* H
UploadSizeLimit = clng(UploadSizeLimit)6 \5 I* `+ e+ Z. R. ^
if Length  UploadSizeLimit then
' on error resume next 'Clears the input buffer
' response.AddHeader "Connection", "Close"
' on error goto 0
Request.BinaryRead(Length)% j; Z: A9 }5 v1 p  w- q) ?  i
Err.Raise 2, "GetUpload", "Upload size "  FormatNumber(Length,0)  "B exceeds limit of "  FormatNumber(UploadSizeLimit,0)  "B"
exit function
end if
end if

If Length  0 And Boundary  "" Then 'Are there required informations about upload ?
Boundary = "--"  Boundary( ^# F' p; x( J/ N$ u/ ?! G) {0 t
Dim Head, Binary
Binary = Request.BinaryRead(Length) 'Reads binary data from client

'Retrieves the upload fields from binary data% w) E; Q" Y  v: E1 Q) `7 M3 |
Set Result = SeparateFields(Binary, Boundary). {& w7 }. r7 M: i9 W6 H; ]
Binary = Empty 'Clear variables
Else
Err.Raise 10, "GetUpload", "Zero length request ."' t: j& u) h3 p  }% g$ \/ v+ u
End If
Else
Err.Raise 11, "GetUpload", "No file sent."
End If
Else
Err.Raise 1, "GetUpload", "Bad request method."
End If
Set GetUpload = Result- s4 A* Q9 V3 d8 [, A
End Function  ! f% O" X% W4 M  o) }/ v  V6 b
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Function SeparateFields(Binary, Boundary)
Dim PosOpenBoundary, PosCloseBoundary, PosEndOfHeader, isLastBoundary) u$ S6 m  B- k
Dim Fields$ r$ h! e3 k8 N& I! p
Boundary = StringToBinary(Boundary)  - ~: N6 ~1 w" x) P4 _3 v; ]& t, H

PosOpenBoundary = InstrB(Binary, Boundary)8 |/ t& }" L& u! |7 l
PosCloseBoundary = InstrB(PosOpenBoundary LenB(Boundary), Binary, Boundary, 0)  4 P" ^; |1 v! R. J' X1 Y$ _

Set Fields = CreateObject("Scripting.Dictionary")    {% J: ^* q3 S9 P
' q) X9 u1 m% ]: E* s- p
Do While (PosOpenBoundary  0 And PosCloseBoundary  0 And Not isLastBoundary)
'Header and file/source field data1 S, f- n" W$ R% c' z3 V" x8 o
Dim HeaderContent, FieldContent' [3 m4 Y6 y( h) ~6 f% \, `- v- e
'Header fields  V, }1 T" [5 `; H5 I
Dim Content_Disposition, FormFieldName, SourceFileName, Content_Type
'Helping variables
Dim Field, TwoCharsAfterEndBoundary0 m' d% a2 W' d, O: ?
'Get end of header1 e& _  D/ X, j  V# Z( t
PosEndOfHeader = InstrB(PosOpenBoundary Len(Boundary), Binary, StringToBinary(vbCrLf vbCrLf))  ; m+ `! X! r% t0 Y( W5 {$ ~1 z
1 [- _: g/ k' |0 M
'Separates field header
HeaderContent = MidB(Binary, PosOpenBoundary LenB(Boundary) 2, PosEndOfHeader - PosOpenBoundary - LenB(Boundary) - 2)# ?# M3 r3 v# w) S3 K3 R
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'Separates field content
FieldContent = MidB(Binary, (PosEndOfHeader 4), PosCloseBoundary - (PosEndOfHeader 4) - 2)    I7 \# S. V/ M/ I* s) R

'Separates header fields from header$ x5 [+ p- ^3 f) `
GetHeadFields BinaryToString(HeaderContent), Content_Disposition, FormFieldName, SourceFileName, Content_Type  & e! r! \  W( C& ^; |0 ]5 X0 E
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'Create one field and assign parameters
Set Field = CreateUploadField()& Y* z: V2 S& c6 d' I3 s
Field.Name = FormFieldName3 B& h% v  T2 @* R: `1 R% u. J7 R
Field.ContentDisposition = Content_Disposition) n% j  s8 n* W' t
Field.FilePath = SourceFileName, F, q: D/ K  J; `& y1 E! T! N
Field.FileName = GetFileName(SourceFileName)
Field.ContentType = Content_Type5 k8 v$ ^2 o6 f2 y
Field.Value = FieldContent
Field.Length = LenB(FieldContent)

' i/ |* G, f: T1 E8 y% L
Fields.Add FormFieldName, Field

'Is this ending boundary ?
TwoCharsAfterEndBoundary = BinaryToString(MidB(Binary, PosCloseBoundary LenB(Boundary), 2))
'Binary.Mid(PosCloseBoundary Len(Boundary), 2).String* D; [9 R5 [' @* d- p- g. @0 e
isLastBoundary = TwoCharsAfterEndBoundary = "--"
If Not isLastBoundary Then 'This is not ending boundary - go to next form field.! l& s9 M- X) I( g
PosOpenBoundary = PosCloseBoundary
PosCloseBoundary = InStrB(PosOpenBoundary LenB(Boundary), Binary, Boundary )
End If/ F" x" l( f7 X5 \7 d7 l6 i) j
Loop3 V7 W4 |% G% j* g! k  u% [
Set SeparateFields = Fields3 {! N- ]) T  W
End Function

'********************************** Utilities **********************************. W0 j9 N. @4 ]# l/ z4 ]
Function BinaryToString(str)5 Z" e4 _" D  T* L8 Z
strto = ""( O/ `! e6 }1 s7 t7 Z& ~( T: M/ t
for i=1 to lenb(str)/ U2 b8 [4 }2 R' G
if AscB(MidB(str, i, 1))  127 then0 Q7 Y5 T$ I; J/ |% T
strto = strto  chr(Ascb(MidB(str, i, 1))*256 Ascb(MidB(str, i 1, 1)))
i = i 1" e# _( X+ t& S3 i* ?5 U6 h
else7 M  i3 U( J* a6 X
strto = strto  Chr(AscB(MidB(str, i, 1))). v" h& I8 D& T* p* O: |
end if. Y1 T2 }  t# S2 B
next
BinaryToString=strto
End Function  ( k1 e7 b: X/ {2 B: `# K

Function StringToBinary(String)6 ^+ S; R$ _! _% Q& _* n) d
Dim I, B! D$ F: E& J$ O$ T- o
For I=1 to len(String)5 e  P0 f1 F; i2 E& e+ R
B = B  ChrB(Asc(Mid(String,I,1)))3 x5 l" q4 ^6 k
Next
StringToBinary = B
End Function  # M& V: t# T/ q7 K' J5 p

'Separates header fields from upload header
Function GetHeadFields(ByVal Head, Content_Disposition, Name, FileName, Content_Type)8 S- E; Z. K6 o4 H. o- ?* x
Content_Disposition = LTrim(SeparateField(Head, "content-disposition:", ";"))
Name = (SeparateField(Head, "name=", ";")) 'ltrim4 W- f; h9 X1 a
If Left(Name, 1) = """" Then Name = Mid(Name, 2, Len(Name) - 2)
FileName = (SeparateField(Head, "filename=", ";")) 'ltrim
If Left(FileName, 1) = """" Then FileName = Mid(FileName, 2, Len(FileName) - 2)
Content_Type = LTrim(SeparateField(Head, "content-type:", ";"))
End Function

'Separets one filed between sStart and sEnd; b' R4 G7 A/ H) P
Function SeparateField(From, ByVal sStart, ByVal sEnd)
Dim PosB, PosE, sFrom, H. Z% o- n: J5 d+ R) ]7 Z- K( {( d
sFrom = LCase(From)
PosB = InStr(sFrom, sStart)3 O4 o) C/ P$ C! K
If PosB  0 Then
PosB = PosB Len(sStart). r4 Y8 b( ~* F% D' D; q" Q% ?
PosE = InStr(PosB, sFrom, sEnd)9 ?1 |* s  o: |4 c0 }
If PosE = 0 Then PosE = InStr(PosB, sFrom, vbCrLf)
If PosE = 0 Then PosE = Len(sFrom) 17 y; G% Z9 I8 d9 E2 [* b
SeparateField = Mid(From, PosB, PosE - PosB)
Else6 Q/ ?$ U7 W* B/ B) L
SeparateField = Empty
End If
End Function  5 o" h2 s& i  h$ ?) I9 W) P1 p" r
! y% e+ Z1 m3 A7 }' F  o
'Separetes file name from the full path of file; ?  ]9 G' ?" s5 Z$ {
Function GetFileName(FullPath)
Dim Pos, PosF, z1 w1 i! s7 U$ u7 A" }! T3 i7 ~! |8 [
PosF = 0! ]1 U* p# Z6 J
For Pos = Len(FullPath) To 1 Step -1, m$ m2 Q3 [6 q5 v9 I* X' s
Select Case Mid(FullPath, Pos, 1)
Case "/", "\": PosF = Pos 1: Pos = 0/ U5 N  i$ R7 H" E6 a7 I( q( m
End Select$ K8 V  i; P. m
Next1 U+ C1 k) U! D# x, }% g
If PosF = 0 Then PosF = 1
GetFileName = Mid(FullPath, PosF)
End Function5 _- [" ]' K: r8 G; Q+ M
/SCRIPT* A8 {& S* A8 ]6 t4 g1 h+ Z
SCRIPT RUNAT=SERVER LANGUAGE=JSCRIPT
//The function creates Field object.
function CreateUploadField(){ return new uf_Init() }
function uf_Init(){2 C( c0 R# K) O0 G
this.Name = null
this.ContentDisposition = null
this.FileName = null
this.FilePath = null
this.ContentType = null/ Y# r- }2 E0 _( p1 p0 G
this.Value = null* N8 S# Y$ i/ i! U9 M! n: @( ]
this.Length = null: G, l# ]" ^* b3 x8 z5 E
}
/SCRIPT  ) s8 U0 G# h8 n& A4 h1 Y

addphoto.asp9 T! W5 x" A# Y4 {4 Y+ E
!--#include file="conn.asp"--
!--#include file="inc/domin.asp"--
!--#include file="fupload.inc"--. ]$ d% p: ~# U, M- `
%
if Request.ServerVariables("REQUEST_METHOD") = "POST" Then
Dim Fields* g  @/ G, U  }* x/ V
UploadSizeLimit=100000
Set Fields = GetUpload()
dim Field6 r3 N* z) T* _5 V0 f
For Each Field In Fields.Items6 W1 G3 [" a; t0 R" @: h1 Y
select case Field.name2 V- a# ?  R3 P/ O6 `# {8 q! r
case "thetext" sss=BinaryToString(Field.value); k. e3 h4 X: g' ^6 r4 B. E; M
case "type" fff=BinaryToString(Field.value)
case "submit" submit=BinaryToString(Field.value)
case "pic"! _- N. E5 H6 Q# U3 |' I
filename=field.FileName1 r9 I" P, R: m" D+ w
fileContentType=field.ContentType
filevalue=field.value
end select' v: c6 X$ J' T* P' ~4 I8 h
next- j$ e' y: G7 U# C5 y" A
'---------------* y# M* O" {+ M* X. c! l6 m
if filename"" and fileContentType"image/gif" and

fileContentType"image/pjpeg" then5 q2 w+ {5 o# D5 N( r& m7 K
%
center$ X' s( g. v+ G
brbr# D4 c% W/ j% ^" ?5 s, A
font color=red size=3上传的照片应该为GIF或JPG文件！/fontbrbr9 S' ~) V# q% m5 j$ Z  ^4 O& `+ Y" u
input type="button" value="重填" 6 ^; A6 W0 i$ \( I
/center& l5 F# j; t0 c
%
else# c  K! l/ }7 E' V) \: b  b4 V
'------------
'开始输入
'-----------( w; t% t8 C+ t. v, F9 y6 v5 Z2 x
response.write sss
response.write"br"
response.write fff7 h* Y; M5 h/ K! Z
set rs=server.createobject("ADODB.recordset") 2 K4 v8 r& O2 C
sql = "select * from tb where theid is null"
rs.Open sql,conn,3,3
rs.addnew
rs("author")=username
rs("thetext")=sss
rs("types")=fff
rs("hits")=1) _; `3 l4 v7 u$ g  x
rs("posttime")=now()
rs("photo").appendchunk filevalue
3 [/ k/ t6 y% S0 \+ K
rs.update
rs.close ' s' l4 M3 F! v% W% j
%
brbr$ W( q3 a. y8 ?. O; [$ j
centerfont color=red 8 W1 U' Y( L2 N+ g. U
$ H* q1 t3 b6 s- L( N
size=3成功输入个人基本档案！/fontbrbrform method="post" 9 W  J( z" @/ r' T! _( q

action="personinf.asp"input type="submit" value="返回"/form7 |2 g6 Z7 l6 p; {# `$ p! {7 A
/center
%
end if
end if# j; I9 W; Y" e0 t" w9 p
%

showpic.asp
!--#include file="conn.asp"--
%
id=Request("id"); O1 j) W% d4 G5 M/ k$ B/ o6 {
set rs=server.CreateObject("adodb.recordset")
sql="SELECT * FROM tb where theid="id
rs.Open sql,conn,1,3
response.contenttype="image/gif"
Response.BinaryWrite rs("photo")/ ^2 s- p+ M  p4 X
%

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