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:7 f* k* l. `: d! d) d7 t
<% 2 [7 x- ? Q2 D
Call Com_CreatValidCode(Request.QueryString("tel"))
3 q5 }5 S0 M$ Y: ]1 hPublic Sub Com_CreatValidCode(pTel)
9 [1 L6 l! V, i( z' b '----------禁止缓存 " r5 j& k& h1 E4 a: x) z
Response.Expires = 0 6 R6 C! U9 Z: }( K' D+ m
Response.AddHeader "Pragma","no-cache" . f& i/ }. b7 Z
Response.AddHeader "cache-ctrol","no-cache" 1 M$ w+ V& ?1 U. D
Response.C
5 \$ l, l6 h& J Randomize / z/ c. e* u+ a& s( t/ l
Dim i, ii, iii ,rndColor,strLen,sql,rs ' {; d9 ]- I5 } n9 D# Q
Const cOdds = 5 '------------杂点出现的机率
" n. u! {5 W* h Const str="0123456789-"
8 t8 y- S& K( h% f% _4 g strLen = len(pTel) 8 P4 ~( W' c% }# v' m6 g! ]6 k( v; i6 L
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
" M) e# X9 C4 N* o, O% ` '-----------颜色的数据(字符,背景) 9 |% n* f$ \: Z$ |
Dim vColorData(1) ( y; Y8 `# z" w" c3 s4 S
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
- `) m8 z9 H/ Q8 }; r) S9 y1 s 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) 8 d5 Y Q8 a' o! ^' T
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) " K0 C7 A, M8 U1 f8 I2 e Q( V: V
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 1 T) m8 t1 K$ C# Y N4 b8 A2 R- K
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) ) c. |( n4 X1 u# K0 O
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色) # P, |( o2 b/ m5 `* h
'--------------------随机产生字符
, `! Z& _( H6 n" [ Randomize
0 M& @; B8 f. d1 \5 P. m& H Dim vCode()
1 M/ C8 a! y( V# G7 f) @# @ redim vCode(strLen-1) . M, [3 x3 X! F' a& u* x$ C
For i = 0 To strLen-1
( e! D% ]' w) c$ S) f' f5 E vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 & r M+ ~, K/ S
Next 2 a3 o$ j4 U9 _6 T7 H6 B; [+ B
'-----------字符的数据 / v% N8 I$ F( v+ E3 B. ^* p
Dim vNumberData(11) # k2 M: s6 b* M2 M# P/ H* W4 v& U
'Verdana Font
@8 z: m, y( ?' {: n6 e: _3 w+ T% z4 q vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
0 u0 l; e: c0 g; j: P3 s vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" 9 e4 [2 U& b' {; z
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" ' v4 `9 U* J0 @4 U$ ]9 [
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" $ k E; |' D# _! s, R+ Y
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" 9 d/ A0 s z& A# ~
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 5 |! O& H6 x* o& T9 D! Y0 p& I
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" 8 H8 T4 A* q- F6 L b6 D. s
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
# \4 Q: c, j1 F! P# R4 u. f. b vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
" {) B% i8 T3 F2 [& W" H6 K vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" 1 r, _; Y y/ C; H
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
3 l1 |- i1 I: A7 A vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" . G9 t( w: H( A |
'-----------------输出图像文件头 <br> " E$ f$ l8 @1 m- y6 {
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) &_ , t' U, u( j6 p! n3 B6 C# l
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
T7 o3 s# c& S& H( C ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
1 Q! d8 [$ a' h" k/ C; v ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
! M) }3 p' O* y- {0 _0 y '------------------输出图像信息头
- p) Y* P1 O7 V! N Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ ; l3 Q8 i n7 ^6 |. F- Q& G
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)&_ ' b' N+ \$ M. ^3 ^' P7 V
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ 1 a+ _! A! e+ I7 i l9 z
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
# k6 a& c* |/ h; u9 S For i = 9 To 0 Step -1 '----------历经所有行
0 Y) q# W/ T1 e+ t7 G7 Z8 y2 y" s For ii = 0 To strLen-1 '-------历经所有字 6 J3 }7 D7 s; s- \5 S# D
For iii = 1 To 8 '--------历经所有像素 - x4 w" D" P3 N( p2 t1 k
'---------逐行、逐字、逐像素地输出图像数据 + Z+ l: g; o( g
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 , W$ ?, b5 a* a" @. ]& C
Response.BinaryWrite rndColor
$ ^6 H' @/ \2 o2 X- m Else
& B* u% l4 F1 K' E; [' Y6 C' ` Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
" f6 M: n9 j" i% r' H. | End If
' ]$ M- I" d9 Q1 q, j; W! k Next _% s8 P+ [& h+ Z& R' A
Next
$ S# q& \' I% @- {7 H Next
8 N5 d# E( a: K* `5 bEnd Sub
3 }5 u' `. T& ^% Z( B. e- D%> ; n5 O' [+ t) b c' ~
% I1 K: D! } f* ?2 G A 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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