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:9 x& |- W/ {& z6 m$ |$ R
<%
+ Q. _- h4 O* S- t; Z ~Call Com_CreatValidCode(Request.QueryString("tel"))
4 _0 O2 u, k; r1 K z$ DPublic Sub Com_CreatValidCode(pTel)
. }+ k8 b5 o3 `$ d" Y& y3 | '----------禁止缓存 - ^0 A5 e0 z1 `" C( v
Response.Expires = 0 * z+ @, y; P( c
Response.AddHeader "Pragma","no-cache" ' R+ J7 K W3 Y; D* J6 u( V( e/ N
Response.AddHeader "cache-ctrol","no-cache" ' A5 J ?: b' o! K6 {( }
Response.C
4 I4 t% n" S! L8 i9 p2 W, R Randomize
2 r7 l1 Z8 f* ?# ? R D) F, r Dim i, ii, iii ,rndColor,strLen,sql,rs
( R/ M' \9 I% H; b+ D0 ?4 b- C5 j- x Const cOdds = 5 '------------杂点出现的机率
( o5 I4 f) b. B$ P6 [ Const str="0123456789-"
/ o" O! z7 g- i8 L0 ~ strLen = len(pTel) 8 R: w* G+ U+ \/ ] B, f
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) 7 x* }* B. T% L1 U% e5 w1 T
'-----------颜色的数据(字符,背景) ; \" s4 q$ l$ {- h, D( r1 ?
Dim vColorData(1)
& Z% C. \% g$ B* A# ~* ?/ h: S 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
1 J, v0 n7 w; W& F8 a- P* R 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) . e: J, ~# n2 V
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
6 V; J0 y7 e5 f! o0 |+ O: A8 T 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
# z# s% g# `# I3 C5 O5 G vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) - u/ o# p: n* t2 s
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色) 6 h' v! Z/ K0 F$ C8 ?# j
'--------------------随机产生字符 / ?. C' S( n T$ L
Randomize / Q6 ^$ r) D. q" q6 _
Dim vCode()
3 |) d- ^/ D4 Q3 |% m; v redim vCode(strLen-1)
) ~& e2 s2 z! D0 Q/ R For i = 0 To strLen-1 , _: Y3 y; [4 r2 ~; q& d
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
) X, k5 s6 L9 H# w, J Next
% O1 H% A2 S, J2 X '-----------字符的数据 6 m/ C! I5 ], i8 d& Y8 \
Dim vNumberData(11)
8 c _# q' C. J! V 'Verdana Font ! @6 g4 r7 T$ V. b" Y" o
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
& ^7 ~) r7 `1 ?8 c8 H2 Y' K vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
: E/ d: w1 J* \) m# P% k vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" " r. e- Y0 t, \! `7 e+ \
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" 2 W: A7 m+ A& D
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" , L+ r8 `& p! Q- s
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 6 h( }7 [. I( v1 t
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" 1 F* A) n% X- A
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" ; m% M! m9 V2 t( V" ^& ]
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
! p/ r# Q6 Y' S+ R' W9 w7 k vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" 7 a( ^6 C+ O Y3 V8 [
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
$ w" W' a7 H% v6 q6 ~, R; S vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" 4 Q6 r( e' R. ]7 N% I$ `4 z
'-----------------输出图像文件头 <br> ; w7 j- f( I9 p. L r5 Z
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) &_
" ~3 k' C3 I s# j5 }9 @, P ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
7 }* y; M. } ]; k0 @6 _. U( f3 T/ B1 z ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
* a. ^+ X( }' M9 [& Q$ u ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) 9 Z0 m* U( t" E% b9 H
'------------------输出图像信息头
$ Y- y9 E, p k( J/ E Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
" Y/ s f) l/ r9 c 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)&_
4 F' x. O" I% I# u% c ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
$ [$ N! V& S1 x$ v1 Z, U: _ ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
; U# i' O H3 W" e For i = 9 To 0 Step -1 '----------历经所有行 7 q" m7 d$ }1 c: Z/ G: z
For ii = 0 To strLen-1 '-------历经所有字
8 x+ [# }% Q! Z For iii = 1 To 8 '--------历经所有像素 9 H2 I" l0 _9 |5 z; l1 v" r
'---------逐行、逐字、逐像素地输出图像数据 . u$ e T4 i7 Y) O
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 & [3 I3 v. U9 H M
Response.BinaryWrite rndColor ) B1 O% I/ {4 u' N8 P8 P
Else
. g0 g8 ?1 @. Q# J Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
4 w3 U* G8 z' @ End If
j9 G( c" O2 v/ K! c Next
* ~2 Y& H3 |8 l7 ?4 J; C4 M Next
* w0 O! N2 H$ f* a0 q* ?. k6 x Next + P4 k/ O+ L/ w) x
End Sub
7 P0 s8 t3 r6 t9 y" p%>
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) u8 g! l8 m% E2 P8 Y 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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