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:! ?3 d. }4 q0 M: R; ]
<%
9 ^! S d- i) N) CCall Com_CreatValidCode(Request.QueryString("tel"))
7 F4 c5 n% I- y5 RPublic Sub Com_CreatValidCode(pTel)
1 T/ ?0 r! h; N4 N8 N '----------禁止缓存
1 F1 A9 m$ V! ~6 a8 Y Response.Expires = 0 8 Z8 W2 ]- E" G1 P; F
Response.AddHeader "Pragma","no-cache" 9 k' g/ g8 Q1 o3 K9 p, V
Response.AddHeader "cache-ctrol","no-cache" " e3 B4 y& c& o
Response.C + ^1 W4 w- I `1 m
Randomize
; J5 z9 ?3 _+ h3 W2 a Dim i, ii, iii ,rndColor,strLen,sql,rs
6 g# P) X8 @* b/ r, ^$ k Const cOdds = 5 '------------杂点出现的机率 ; E8 B9 T5 Y1 C! ?% y+ O
Const str="0123456789-"
$ s! I: a7 N$ y0 a; r strLen = len(pTel)
6 T, c& B5 y% \. K: N7 J/ \+ j rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) # b7 }8 V; O. ^. c) M9 z" W; B1 D
'-----------颜色的数据(字符,背景) " }; [, l$ _5 ~8 G3 f6 K
Dim vColorData(1)
% _) M4 \! i5 \$ }& l: c4 v8 l/ K0 j 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
. L9 s- ^- u8 N% U% F+ u/ N$ [ 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
$ ^7 z7 Z6 u; b [5 }6 O6 G 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) % V% E+ _& k& H( o, V% R$ g
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) , ~/ w! x/ T' N7 `1 j
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) / K# q( V. @" I; O, r# L% ^
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
0 `3 B+ S. A4 Z# Z7 j' v '--------------------随机产生字符
# O/ Q) T' O" _. I9 a; }4 c Randomize
: s$ V3 a) Q: s Dim vCode()
s- A0 Y$ a9 r& k" D redim vCode(strLen-1) " d2 @6 j1 Q U
For i = 0 To strLen-1
7 l$ ~6 Y8 l' P vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
& U, C8 g8 O% p# E4 a: z Next $ F# T4 s7 F! \+ K, q+ j
'-----------字符的数据 * k) A+ i0 R( T: b
Dim vNumberData(11)
& V1 ?5 \5 K+ ]* I9 h 'Verdana Font
9 R2 E! ~5 P1 x0 g* V1 N. n2 ^, G vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
/ W7 P; a* S0 \! r, k. Q vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" * L+ j+ g. x8 M& S, L
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
6 x+ [3 q( }& F5 l9 j# W vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" " s' ~) \# J; o9 L( h
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" # b5 }% b' @0 r9 F5 L2 C P
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
! D) l$ t' ^ E% T vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" 4 }+ H! }9 l9 i6 k8 }- v r1 o
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" $ `) ^! s* T0 z, {& C; U" l/ I$ t
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
/ l; U; g. S: _5 J; b' z vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
! z7 `7 N, t4 X5 Z1 d vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
) p& G" M7 T% Z# D vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
. X' @7 O* |+ ?, v- j$ T5 V1 C '-----------------输出图像文件头 <br> 2 i! M; b( L, B3 f/ P. H4 v6 ]
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) &_
1 j" f4 Z4 V7 n ` ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
1 x5 v }$ z, B8 A( {2 | ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ 3 r u( r" e& `% E8 J# ]8 l z
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) " _4 F" h, L. o; z$ o; b6 [. z
'------------------输出图像信息头
. a; _8 u( _& p# R- F Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
4 y5 X4 M! K% z2 Y2 O6 I 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)&_ ' C; l; m" p9 X5 r2 |6 [
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
" Z1 m# w4 z% d ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
1 @- h& ]* M4 \. r4 G% j9 J, ~ For i = 9 To 0 Step -1 '----------历经所有行
; |9 O3 Q- x6 m( P For ii = 0 To strLen-1 '-------历经所有字
. ]8 |+ f0 G0 Q3 T2 B Y" H For iii = 1 To 8 '--------历经所有像素
3 s. o2 Y5 { o( A& X+ z& f '---------逐行、逐字、逐像素地输出图像数据 & k- C6 y" Q' P) y* N$ }# b: T: Y$ S8 h
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 # S) {" x8 _- t o5 z' G
Response.BinaryWrite rndColor , \( |0 [& }) A' E; Q
Else
& K+ }' R0 J4 H: W6 v Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 7 J Y/ V1 S2 n7 K2 Q
End If S3 i: k+ \. a, e& ~
Next
' S- J9 a# E |: Q: R$ d% a" q% N Next 8 e X% C. J3 G
Next : x. c9 f& J: i* E
End Sub ^6 v5 M+ f5 k$ _
%> ; ]' C! z0 F( Y" k
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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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