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:
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( R4 u; H1 y4 h7 j% XCall Com_CreatValidCode(Request.QueryString("tel")) 2 D/ U3 q7 ^+ c0 E" j$ I6 ~
Public Sub Com_CreatValidCode(pTel) 9 U* `: _8 L% a' e
'----------禁止缓存 ) @+ _8 W1 z9 K
Response.Expires = 0
3 A. [6 V2 q% Z6 m: Z+ k6 U& k Response.AddHeader "Pragma","no-cache" 6 {8 ?& j; z6 n6 G6 P3 Z; U
Response.AddHeader "cache-ctrol","no-cache"
M7 D0 n P/ y2 d. P5 h& M Response.C
' R7 N! |) k" ` Randomize : Y& I3 B* h% O- T
Dim i, ii, iii ,rndColor,strLen,sql,rs 4 ?& M; ]: v" L# m0 {
Const cOdds = 5 '------------杂点出现的机率
3 {) [& ^+ J5 g, u$ b Const str="0123456789-" ' N/ Z/ U' l& ~% N2 ]3 V4 W
strLen = len(pTel)
% s! _; }$ u# b+ K8 H8 S8 J rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
! ~/ R1 x# i5 F3 g2 s# w '-----------颜色的数据(字符,背景) % y( i4 @1 ^( Y; }
Dim vColorData(1)
* _" L% a. F9 x& k 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
2 q2 e) ]6 F5 Q1 ]# b2 `/ r 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) + _3 p, h! u$ M; {8 B; Y
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) ( \1 \& |2 \6 V
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
* u' _" A! x- m. v9 m' t vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
$ U* ~) k! f" i vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
6 X- M/ T C( H- G2 C* ]1 T7 ` '--------------------随机产生字符 8 w! s; e2 E7 Y! K y3 O
Randomize
4 Y' E. \; i! F0 n+ v# f; z+ s Dim vCode()
+ w* m, c6 e7 n$ {) d9 [ redim vCode(strLen-1) + k' k, [; m4 I4 x l7 T
For i = 0 To strLen-1 ' z+ w- S' B, F' W8 E0 ~
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 # E! M) G# x0 k# [# n$ K! C" U
Next
7 m2 Q: t5 y. v7 c+ d* Z, Y# H '-----------字符的数据 % h' J- g8 \' g4 a9 J+ w
Dim vNumberData(11)
6 t- m# M4 j1 |* I' ]2 i. y 'Verdana Font
3 g0 A- O6 u5 F9 Q vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
% I- @# n0 Y2 {- a: h vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
4 x/ g% ~% o2 e' c( j vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
1 U. u0 p$ }! s! _3 u' ~ vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" ( B! z! m" E, L1 K: k1 _! n5 g
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
$ K; B; J# U/ w3 I4 u5 h) h# h4 r- h9 U vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
& D A; B+ F# J S5 P vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
0 T" ]0 o, x( A$ } vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
) g7 G1 w c0 b3 n# ~3 B vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
# t% A3 Z$ q9 l7 F' y. f+ N vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" - L' w! c: e3 \; J/ ~5 p& `
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
( @4 L( T% m9 T. _. Q( j vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
5 S, U' q# Y$ Y0 n. C' E '-----------------输出图像文件头 <br> $ s: `9 Q7 W1 V# _' G' \! j0 K/ {% w2 R
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) &_
, c3 O7 c! T- n2 d ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
' F0 H0 R% U+ }! r; f1 A" W' p; r, S+ v ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ 8 `8 ?9 \) U, A* y9 C
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) ! o0 [3 h. e* N- ^
'------------------输出图像信息头
' Z1 k1 X* D; s- v* U; d: i: Z- p9 N Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ ' _+ M* G& u4 |- d# S
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)&_
l6 k5 Z4 Q7 w/ r2 U$ c ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ ! W. X% i. [: J5 n4 F; n
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
% h9 ~( A4 U' ]% G6 k0 }& v } For i = 9 To 0 Step -1 '----------历经所有行 7 E; s3 q% N6 n) L
For ii = 0 To strLen-1 '-------历经所有字 . l- L& l6 n- ~7 ~% y
For iii = 1 To 8 '--------历经所有像素 9 X6 k9 H% p" e' R2 [( b+ w1 P
'---------逐行、逐字、逐像素地输出图像数据
" k+ h& X* @$ W3 c K# V If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 $ r, y1 Q' E8 m$ ~9 s' @. _
Response.BinaryWrite rndColor k+ T3 H' c* {; }! }" R- \4 o
Else
$ {) E" r( e. N Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 1 _7 u' r" B1 o" G: m+ ?
End If * l8 c8 z# Z. G T# K
Next
/ \. I' z- }. o4 L, e! ^) Y Next 5 W' V9 G, g. s& M3 ^
Next
; `* X; m) e7 C* `( TEnd Sub 5 f% l# d* x! Q
%>
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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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