TA的每日心情 | 开心 2014-7-28 21:47 |
---|
签到天数: 2 天 [LV.1]初来乍到
|
作用:用ASP程序将页面中的电话号码生成图片格式。 以下是引用片段:, e# `; J! H" q4 ?& `) A
<%
! {' `6 D; d* JCall Com_CreatValidCode(Request.QueryString("tel")) ' K* M! ]2 r" h
Public Sub Com_CreatValidCode(pTel) % Z: ~7 [# ?- Z( j
'----------禁止缓存 4 ?! u9 T% U. z" S, v3 I
Response.Expires = 0
" n4 v+ W% A% S4 I0 T Response.AddHeader "Pragma","no-cache" 0 O9 w7 r% R# J: J; g( c8 U
Response.AddHeader "cache-ctrol","no-cache" ( D7 T; Q9 _5 o9 L
Response.C # Y. \# k, Q0 @6 B* j5 s
Randomize
: o; ~+ P8 R/ J9 p7 R Dim i, ii, iii ,rndColor,strLen,sql,rs
% o9 P% c: o1 n+ W$ O Const cOdds = 5 '------------杂点出现的机率 3 v" o4 L" H! I1 A5 v* d
Const str="0123456789-"
/ S, h7 p* A2 R' l3 y q strLen = len(pTel)
2 q" o, B( ?# A( Z rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
2 R7 M. U' v5 W3 s/ _3 ` '-----------颜色的数据(字符,背景) 8 X8 l5 E* _/ r; o* s" P' ~
Dim vColorData(1) ; c- G% y! X: N5 V+ {8 _0 w0 g
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) ! }+ Q- R* T( R: ?* f
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
! C Y2 H* K2 x3 s 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
& R2 S6 h* v) g; C1 r, u 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 8 S- S9 k `5 L
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
) M; K& ~, b" u7 I* D# D vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
; ^7 K' P K/ o; K3 F( L '--------------------随机产生字符
0 I# u! s/ w/ p6 O! N8 Q2 [+ s Randomize ; C8 f; _# G C% U' j2 a! t
Dim vCode()
6 h0 ` \: z9 _# T5 G1 @ redim vCode(strLen-1) , ~! n _/ P& o5 |8 {- A
For i = 0 To strLen-1 # V9 }3 ?- h, m8 M3 e2 o
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 2 @0 M' K7 M% T8 e& @
Next 9 S" O+ C# E; x7 A) @4 P% `+ ~
'-----------字符的数据 8 T: E' ]" f, U8 o$ D
Dim vNumberData(11)
6 T; E% F5 Q* N, V! E 'Verdana Font 7 n& o7 K, h6 i, H
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
/ l4 j6 i; r7 t$ Y+ A* _5 Y5 A vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" 5 ~' }' `" j; L9 J! k9 {- Q
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" 6 c* ~) i8 p7 |! J$ a8 x& }
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111"
" r' R [- e2 |. b" l$ O vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" ; W1 K" K, z% G- S1 ?
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" " L: d3 v; o8 \3 q! J7 f
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
9 a, e9 Y# {. X, b3 n vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" * m7 q4 [% @/ O- M' p
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" 7 a7 f+ s+ @' q' Y1 }4 t
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
, m+ U$ F% }, _/ z3 k vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
* _" L* d: w1 T2 J" P+ [2 J+ Z vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
5 v8 D5 y4 a7 A7 U0 X '-----------------输出图像文件头 <br>
) _! R2 Q$ q5 D8 O D Response.BinaryWrite ChrB(66) & ChrB(77) &chrb(((strLen*8*10*3+54) mod 256)) & chrb(((strLen*8*10*3+54)\ 256)mod 256) & ChrB((((strLen*8*10*3+54)\ 256)\256)mod 256) & ChrB(((((strLen*8*10*3+54)\ 256)\256)\256)mod 256) & ChrB(0) & ChrB(0) &_
' ~/ P( F4 H$ p8 z7 T8 K ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
# C3 n: ~) U$ i$ W C* S8 u ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
# Z& J! F8 a% V" X4 [ ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) ! B+ }3 e# G- p; k0 m" P
'------------------输出图像信息头
! T% J) Q' M" G+ F4 y: S! H$ ^8 }" h Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
3 P7 o' S) D, W& g A- W Y ChrB((strLen*8*10*3)mod 256)&ChrB(((strLen*8*10*3)\256)mod 256)&ChrB((((strLen*8*10*3)\256)\256)mod 256)&ChrB(((((strLen*8*10*3)\256)\256)\256)mod 256)&_ $ h" c& b+ ?) f. f+ b- p% I# U
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
& ^/ {- Z! m1 S: d2 |! L# m ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 7 G* z* I, a' G/ u+ A
For i = 9 To 0 Step -1 '----------历经所有行
4 [& p, I/ X/ }. k7 e; P For ii = 0 To strLen-1 '-------历经所有字
. O8 g1 f( C) b4 K; X* y For iii = 1 To 8 '--------历经所有像素 7 `* h' b, g" x9 Y0 |7 g, J
'---------逐行、逐字、逐像素地输出图像数据
1 m1 N8 G; j I/ d* J( n' O2 u1 V If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 ( T& T- n) N2 c: n1 ~1 F( N
Response.BinaryWrite rndColor
& k( F' U$ e' Q Else
! w% A# Q0 \2 L( H" b1 X Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
* @" _) f2 x& a) |3 v" |& N2 |, Q End If
9 b6 a) c4 e6 a5 x( s) d Next
1 x! j. F) w) Q, w Next C6 T2 W$ k2 v4 U& o+ d' @
Next
6 V2 C( h4 D3 jEnd Sub ! F# b9 f3 A7 t7 y- f. n# X
%>
' U. E8 U( U- j! T O" K9 R- n" E: t! a+ N- M
将以上代码保存为img.asp,在要显示电话号码的位置插入<img src="img.asp?tel=010-0000000">即可。 |
|