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: M3 L( M* \! _, o' {7 d, p
<%
7 k9 ?0 T. E( g5 NCall Com_CreatValidCode(Request.QueryString("tel")) 4 z7 @# b( t7 u& o, S0 T
Public Sub Com_CreatValidCode(pTel) 3 M# G3 n+ s5 c7 v1 u( w; j2 I
'----------禁止缓存 # [1 Y: R: N2 g- r' W
Response.Expires = 0 3 g O, @8 Z' ]
Response.AddHeader "Pragma","no-cache"
( |% O' w3 M. p- f+ i4 Y q Response.AddHeader "cache-ctrol","no-cache" 3 Y7 d3 [; E. a6 v
Response.C 4 z0 w% t0 _) G1 `: E" c7 ^+ Q
Randomize
3 @0 j3 R% v, l( y Dim i, ii, iii ,rndColor,strLen,sql,rs ' U9 A/ i( O1 G. x' [- l2 s9 ?+ y
Const cOdds = 5 '------------杂点出现的机率
7 |( T7 ^# Z" j9 A' j; ` Const str="0123456789-" $ a$ [- e7 f" S9 y! P& |
strLen = len(pTel) ' u0 a% A: c$ A$ a
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) U/ S- M1 \' Z8 `4 [! {
'-----------颜色的数据(字符,背景) ( B' }+ F! {+ L
Dim vColorData(1)
" ^5 R3 p- E' A9 K% Z6 X6 V 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
& a7 v: W- c# A. l, j$ O 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) / W1 t+ B( ], M$ i
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) ! l4 l1 u. _0 u
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
% `. F! a1 z+ X, K0 n& e- d vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) " g5 E# @5 q& `) p/ P5 A
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
0 O. P$ x6 H' h '--------------------随机产生字符 1 R8 v& n. h* C1 s3 H
Randomize 5 d1 n- H+ g, o, l( D4 ~* ]) h
Dim vCode() 1 L, C# K2 g, }: a
redim vCode(strLen-1)
! t; M8 U9 f/ P6 I4 E% ^ R For i = 0 To strLen-1
+ A7 M5 y8 Y* _2 [. t5 R vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 b* q. u3 C2 ^, @4 L& q" T: U
Next
) D, k/ l" J L! o7 o( g( f '-----------字符的数据 ! L7 V3 n; x9 R7 ]/ V; r! }
Dim vNumberData(11)
$ A3 m# t( o1 |% S. y( ]+ K 'Verdana Font
( Q6 q w/ M- m5 U" o vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" 1 q4 ^( u% n& d5 R5 ^, w8 |
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" # F) l; m8 n: Z4 e3 P
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
) v" H7 ?. q5 z( W vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" 1 M; v* }1 J" h/ p/ [8 o* J8 [4 `2 h
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
; \2 w |! A4 X4 v vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" * p0 [1 ?: h5 J2 D, H
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" ! v9 A5 [. `0 n% D/ I& y2 V; k
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
. ^0 E, f& P, a. [# L vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
3 B* M8 S5 O. a8 a" T& P4 b vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" ' U: N$ @8 {! G! G6 r$ [
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 7 ]) W8 f% j! T: [
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" : e) m1 J6 C& X { h
'-----------------输出图像文件头 <br>
1 [. a' U( w, Z( L; c3 W/ o 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) &_
6 x5 H: [$ x# @+ ^% n9 {; @ ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ 7 n9 T1 m+ l$ _6 n
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ ( j; H" X0 g. o2 D1 u) ], I
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) / l F: I9 I0 q3 R
'------------------输出图像信息头 4 b# s: I) ~9 F0 {( Q. u5 M N0 D6 f
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
0 X' t' R3 @. p( H3 O/ @( a2 V2 } 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)&_
* a& \6 w* z- }6 e3 X) W- f2 P( H ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
- d5 K8 S0 [/ F ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
0 W q0 @! e$ g* i$ W) f4 n6 _ For i = 9 To 0 Step -1 '----------历经所有行 6 m. N; h, y" F, R- c( F
For ii = 0 To strLen-1 '-------历经所有字 & | }+ r6 L& K1 F1 h+ l
For iii = 1 To 8 '--------历经所有像素 ; G, m( [/ O; n* |3 I7 y
'---------逐行、逐字、逐像素地输出图像数据
% M; T* ~9 _, D2 U `( [, G If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 ( l" W K: I& M1 F0 y9 p) N
Response.BinaryWrite rndColor
% M; j! z2 g3 j Else
% t, z: K8 W2 q M5 l5 } Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 9 ?9 N m. Q8 M. ?- ^* |- c
End If / z3 M+ J" H* a
Next 0 @& y( D' E! I; Z1 ~
Next + X. t+ Z7 @; M% C9 e& c$ ?
Next
0 o& I$ }5 X$ W2 eEnd Sub # g7 s4 \" N- L8 j9 m' c. ?
%> 2 K# l/ L4 P, I
4 f( O1 F; x: C- p$ o2 D( T 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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