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:
, X6 S. ^& ?! w* `<%
0 W R! Q7 ?1 F# JCall Com_CreatValidCode(Request.QueryString("tel")) P7 P% S6 _% g+ O6 i
Public Sub Com_CreatValidCode(pTel) a+ [" ], W6 v4 J7 U- N
'----------禁止缓存
( G' x- J7 F7 J) c) z; l) k1 }& w Response.Expires = 0
9 k. z' }9 x0 W( s; t Response.AddHeader "Pragma","no-cache"
* Y8 N! J( t6 n- I Response.AddHeader "cache-ctrol","no-cache" 3 R$ C. z2 c0 } U! a5 }
Response.C / T5 m1 h! {0 E y* ^: E
Randomize
" b* D0 R; P9 ]7 h. ^5 G$ v Dim i, ii, iii ,rndColor,strLen,sql,rs
- M; H& Q' [( v Const cOdds = 5 '------------杂点出现的机率
" Q8 P7 c* z2 b4 J+ J8 N Const str="0123456789-"
9 z- S1 Z8 G2 L# N4 p4 x strLen = len(pTel)
7 f, z7 m1 X% X! q9 I rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
* w! Y4 U5 k& V, y f8 L '-----------颜色的数据(字符,背景)
. d& @& J: _9 q& X' R Dim vColorData(1)
6 S& u) a+ v6 N6 v0 u& f8 i 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) 7 p$ e4 S }; R. n" E
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
9 h* ^. v0 h. ]9 Y 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) 8 s0 Z1 l! P6 f, I7 A# D, m/ Y- v
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
. C, t- x3 s$ t- [6 m vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) ) Y9 L- [0 `6 ~4 c9 Q. y* E
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
9 j! g0 l3 @ `# L2 e3 K '--------------------随机产生字符
! T; H1 w2 z- k/ h' |9 B o Randomize ( c( P" c! O/ D5 Q
Dim vCode()
9 a+ _) B: l& _0 }' S( f) r9 T8 N redim vCode(strLen-1)
# G* _! ?0 z s+ D4 X! M3 n1 J For i = 0 To strLen-1
: ]; X% S# ~ \ vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
. n1 Z- Q' v' l- D9 y& }4 p Next 3 z7 t! p; ^6 R8 Q* d J: Z
'-----------字符的数据
* G/ d% u6 u2 I, s& V! n6 y7 z Dim vNumberData(11)
4 w/ _" }! e0 W/ g0 z 'Verdana Font
7 B& t/ {' |. o# Y vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
' w! @5 E8 p; s' z( W( d8 w- _ vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
4 N9 m! \+ d* ~3 k- z7 V2 I$ k0 k vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
3 x- p5 U( B3 V1 d" V$ p vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" 3 i) c$ }$ f- s0 V1 Q: V
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" & G2 ~7 e: V! g
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
& c0 i2 @& o. \+ V& \. F vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" ; K' m4 \6 ~7 |) u0 |4 H
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" " \4 q) P# I: K2 }& W
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
; `1 R: [6 D8 k3 u6 h4 s vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
2 M3 a# _2 B0 R! g vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
- F) w. U: r" G' G vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" ; _# N5 D1 V, a9 |% g/ A6 e5 ]
'-----------------输出图像文件头 <br> , E1 b, Z0 l7 G2 k5 g5 I% u
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) &_ % j, y5 j, A8 _; |/ }$ L5 q
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ ' u+ a1 m- i" R
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
+ U& b2 \: A% J' r* J ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) 5 W. ~9 Y# i' Z, L
'------------------输出图像信息头 ; `2 Z% v% {0 a" ?2 u4 t6 H0 f
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ . m1 a H# E% |7 [* r+ |8 c2 b3 l
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)&_
P: [. c; o4 F2 V% f ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
0 E' N- s& e8 q! P g/ V, j ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 3 a1 y; \* V. ~/ P* K
For i = 9 To 0 Step -1 '----------历经所有行
7 d; B9 s# J! M For ii = 0 To strLen-1 '-------历经所有字 6 @. z0 I/ ~; a
For iii = 1 To 8 '--------历经所有像素 / k) |; W/ a1 y
'---------逐行、逐字、逐像素地输出图像数据
8 ~) Q6 b8 G8 n; N4 }& e0 h If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
3 ?/ u! e+ q' ]" k5 B Response.BinaryWrite rndColor
3 Z; s: q. i4 V$ K Else 0 @+ ?# s: l$ ?/ E
Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 6 e% |. @$ K+ o, c# l3 I
End If - F7 v& n9 {1 @# @0 O7 a, N: s
Next
" i7 V9 l; A- m( x' E Next 0 `2 k! v2 b* b5 W
Next
( F4 a8 {6 j P# K- S. aEnd Sub
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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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