TA的每日心情 | 开心 2014-7-28 21:47 |
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签到天数: 2 天 [LV.1]初来乍到
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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:
% U9 @5 X+ d: z+ l<%
" i \) H" }9 hCall Com_CreatValidCode(Request.QueryString("tel")) + c- j; m+ e: j* m3 `" }
Public Sub Com_CreatValidCode(pTel)
( p5 V5 R( ?3 W; k! N2 }( { '----------禁止缓存
* l3 Y D3 c7 L1 u Response.Expires = 0 $ g0 ]) e% t( G" M2 H+ L
Response.AddHeader "Pragma","no-cache" , b! G' G; b! }+ D$ k$ |6 v
Response.AddHeader "cache-ctrol","no-cache" s% Y: R D4 F/ @
Response.C 1 g+ y9 D% a: n& [
Randomize * K% p; {5 L; p" H# `* R) i( P
Dim i, ii, iii ,rndColor,strLen,sql,rs
, C$ `9 w) y, I p Const cOdds = 5 '------------杂点出现的机率
O3 S+ ?* Y q! w p* a% A; P Const str="0123456789-" ; B2 U$ |- W# T7 h
strLen = len(pTel)
l0 C$ Z. |, e. f% W9 D7 S3 R rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) " N' g' |7 v% L* S9 N1 Y; q
'-----------颜色的数据(字符,背景) % l3 a2 J+ B/ @0 F5 n( }
Dim vColorData(1)
' N J: I# x1 }' P+ b- h. q. n 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) 9 q, m' {! t" p! p: r
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
0 `0 M: _% A5 \1 l D' W# [& M 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) 7 l9 I! w" _5 f, }: `
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) * k% v( V; R& }, {' y' i
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) \, b! O# J( M9 E0 w, B2 T
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
1 Q- G3 R/ q$ F8 Q '--------------------随机产生字符
! J: Z3 ]1 l# x5 \9 s) I Randomize 4 }2 [$ p( [( v9 u1 O' n
Dim vCode()
/ c9 {# q& [9 l! }$ T% k \ redim vCode(strLen-1) " m0 g( b. p' P2 x9 N _
For i = 0 To strLen-1 ! e9 Q- f3 f2 o; p: H( a
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
# D4 l, i2 M4 {4 U* ? Next
: V1 U9 M# F) Q& b '-----------字符的数据
/ O% c4 g! _$ U9 p Dim vNumberData(11) . C: O/ W. d) G g- O! x
'Verdana Font " I% f, I" Z$ E* ^8 Q. \
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
1 ]& o" C3 D0 F" j3 q' _ vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" , J% p4 F5 \, u" O1 Z# Q M
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
3 J0 O Z* u ~2 A) y# U2 b1 L vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" ' ?' P. U2 p9 q/ P6 f* c4 J2 Q
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
9 W5 i( X1 e B+ ] vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 1 Z9 E: w' {& H0 G2 t1 h& [3 Y; _, Y
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" . n% q' G- i$ O" A' u1 [7 G' j
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" ; v% d6 O7 G3 _/ A. `0 Y
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" 4 |; Z; a& ]4 D+ o* p& D( Y6 ]
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" ! A& S0 B3 w' x, B( R" s( S
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
: [$ _5 z4 N5 q# h3 G3 N vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" ; W% H/ A8 ]- |. H
'-----------------输出图像文件头 <br> $ ~: f9 z! f! J$ q1 ^
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) &_ % I7 c% E* T1 Q: H
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
; P; ?% U7 v8 R6 O+ ^ ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ $ N u5 U6 j0 f7 f8 T% N
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) . P1 w* b& i4 g$ J ]
'------------------输出图像信息头
+ J+ C( V3 R( R! {& d1 t Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
: i; e7 r8 h( w( f 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)&_ ; r& K! C5 M( C4 L9 f, z* t8 }
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ 1 y0 l+ u; m8 {! u: v! ?
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 3 r( g2 _- E# m% t6 B& q0 _
For i = 9 To 0 Step -1 '----------历经所有行
! G( H1 C$ `5 p6 g$ u, z For ii = 0 To strLen-1 '-------历经所有字
3 j! w9 O5 r" \, ] For iii = 1 To 8 '--------历经所有像素
9 ?1 \$ R; e7 I2 R5 Z5 P# O3 G '---------逐行、逐字、逐像素地输出图像数据 1 }( f5 N) b9 E( p4 z V4 }
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 4 M0 @/ x: P7 R9 r
Response.BinaryWrite rndColor
, h7 e+ J9 a$ \# |( l4 Z! \, t9 i, |! X Else
6 n6 F' `- @* U+ D# I& C1 D2 K Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
% \4 ]+ n+ R9 q# Q End If & i% I4 }* W8 }, d% t, p; p
Next
+ b& n/ R1 Y, w6 q8 r* @ Next
( d% }4 _% g% _$ u, Z- S Next
) z( y" \ i+ N; C: OEnd Sub
% _6 Y) o4 ~8 d4 L& n# T1 I1 e%>
3 h, D+ U2 g+ |7 l ^4 g2 }) x# O3 Q. t( ]; l
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。 |
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