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:
2 U$ k8 g9 o- P' G& @* L* N* E% B. N) F<% 2 k3 b8 v2 l: a3 M. I0 B3 J% [
Call Com_CreatValidCode(Request.QueryString("tel"))
: h" r' p, l# m8 m) p' P, WPublic Sub Com_CreatValidCode(pTel) . g; U! u$ r* |1 x0 Z* J6 V) d/ @& V/ _
'----------禁止缓存 9 {. V: Q. P9 ~# B" \) |
Response.Expires = 0 & Y% `7 z+ _0 ^1 R& M' h |
Response.AddHeader "Pragma","no-cache" * [% N( |5 M" I! @5 @/ d
Response.AddHeader "cache-ctrol","no-cache"
# l+ ]+ l$ ]4 K Response.C
- Q$ \7 R; ] z2 z- W Randomize - a$ ~ r# q3 Y1 F4 M
Dim i, ii, iii ,rndColor,strLen,sql,rs
8 m% }0 K, Q1 T6 z Const cOdds = 5 '------------杂点出现的机率
0 C7 k* _8 e6 m) l0 O% u U Const str="0123456789-" 9 E! x1 _1 K5 m) \! `
strLen = len(pTel) " {6 t; z/ k, s5 c4 z$ Y4 k
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) 1 T% \0 j9 k( d! R+ a; X/ l6 G/ Z
'-----------颜色的数据(字符,背景) , C# N# Q0 t( j; p8 }
Dim vColorData(1) * A) |6 T( ?: `1 r9 H+ r) @
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) , {' n9 i$ C8 a% N* f/ Q; }
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) ' c3 X2 H1 C9 L# Y
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
" [$ Z# j: r2 }; f' H 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) * ]3 Y% I2 S7 k# A' X" x( P
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
+ b; i, O; J1 F3 v3 S3 _. ? vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
6 k, K7 C ~* K2 p, R9 A7 c4 w) r '--------------------随机产生字符
: z7 B! {5 [2 _# m Randomize + N( I1 c# B: Y( b) X. S" P5 ~
Dim vCode() % m6 n) B' x- l F7 k8 q
redim vCode(strLen-1)
3 J+ H1 m* C! C# L. v% F For i = 0 To strLen-1
$ p( x* W7 k: H9 @% M, R vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 6 h, h6 R9 T4 g- h' V
Next
2 g$ P, X ]+ i# o' @+ [ z '-----------字符的数据
; x+ O* } q5 d Dim vNumberData(11)
6 r# `; o# S+ g* b A1 L 'Verdana Font : K9 C2 V5 |0 i" j$ {
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
! s- L% _: W% w4 X. r% S6 y' M2 R vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" 9 v. d/ C s0 r" h5 N5 {
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
: Y& [# y$ e" ?5 a( Y1 n vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" - C6 @$ `- q b' d6 @
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" + _) l5 s9 L; b/ T
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 4 M+ h8 v/ x: d5 ~+ M) `
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
A6 H) M/ Y5 l# a1 i vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" # I2 N/ @& Q( Z# s
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" 8 q/ x6 W: F4 `! R! q
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" * j! j+ L. r( A+ p: ]. L/ A& E
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" ' {3 |8 D0 j: x# S6 D4 ~
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
' v8 W, h: m: Q4 ?. ? '-----------------输出图像文件头 <br> - L9 G- V' i7 S6 |
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) &_ # I1 y4 j$ o) q4 j/ g% D% Y4 u- S
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ ' \, F9 i. z7 ]3 `. I4 X& a( [
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ " o# t7 ]% x* @: n& P
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
; }5 ?5 g T* w) \. \: Q+ C '------------------输出图像信息头 * R9 H) m8 c* P L2 I% l9 ^( A
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ / y" V' w& o+ v% 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)&_ $ Q' Q+ ~. M$ R8 ^8 r {
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ - ?5 j$ P/ t! u* ?' T) z, Y" j
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 1 c4 Q% z2 ?7 I R a% l
For i = 9 To 0 Step -1 '----------历经所有行 ' A3 d7 Y$ S% B8 @" _% h. r: t
For ii = 0 To strLen-1 '-------历经所有字
6 j" g. A% J' g/ V' q( a For iii = 1 To 8 '--------历经所有像素
; ?) O' ^9 e/ a# w% c3 } '---------逐行、逐字、逐像素地输出图像数据
: Y" t/ D3 i7 p3 Z+ y. s2 `; F If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
$ D& o* j z+ B8 @! E5 D Response.BinaryWrite rndColor 6 W* `$ E7 X# M
Else , v, K! a, j3 Y4 A* m# \
Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
/ n) P7 i a* Y. Q! L1 n# x End If
5 O: |/ V2 k# P Next
( T0 {1 M. J" x4 _9 F Next
9 Z8 b2 p& |4 Y% j( w7 A Next : ~" F0 K4 i6 g1 i b# B, y% M
End Sub # Q" G m W0 u8 D' E3 H& W
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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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