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:
* g# X# o \" Y+ ~, D& u% Z0 F8 x0 U<% # H- R d* w2 }2 W* x6 X, S
Call Com_CreatValidCode(Request.QueryString("tel")) 9 D W+ f- _) O- X1 P
Public Sub Com_CreatValidCode(pTel)
* P: }4 Y1 |- [+ m) q '----------禁止缓存 4 [7 _; L; z& ]9 n, M1 ?0 S' P7 \
Response.Expires = 0 H4 p$ X# W |9 M
Response.AddHeader "Pragma","no-cache" ) \/ _ a" T' e: T
Response.AddHeader "cache-ctrol","no-cache"
; g+ t2 k" P* o% Y6 I( l P Response.C . ~4 Q7 O7 k) m9 u7 e) S! z& z+ F( U
Randomize
; |% B2 R- K. U% B% @( E+ M Dim i, ii, iii ,rndColor,strLen,sql,rs
" f* I, F! W. ]. c/ i4 c2 A6 R2 r Const cOdds = 5 '------------杂点出现的机率 7 Y7 V* ?" U r' K" L7 Y9 o
Const str="0123456789-"
! a! {, B" L: \ strLen = len(pTel)
" v% k% }5 R8 y3 ^ rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
3 H0 r" E# F- l3 a! ~6 ~ '-----------颜色的数据(字符,背景) ( U1 t7 Y* n3 A6 m
Dim vColorData(1)
. X: X4 X, Y8 L9 {% ?" S 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) ( b8 C2 m' Z f
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) - i$ w! Y" {/ O) d+ Y
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) , Q: p. n7 }3 j }3 }& t- ]
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
5 `! W4 s" G6 Q% b, ]' W9 V vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) " M- j4 n- R' H1 U8 N
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
; ^8 Q& c: d1 E& b" y7 \% b '--------------------随机产生字符
) f: ^& o* M9 R% t8 W Randomize
* n2 N/ m% \2 N Dim vCode() 1 _) a6 ?8 f9 {8 \
redim vCode(strLen-1) % V; ^4 M! p u
For i = 0 To strLen-1
' ?3 N7 ~5 ?) F vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
0 W4 K2 N3 I3 Y u3 w6 B$ E2 q Next
5 h" h5 q5 L1 Y( {+ b& H& G '-----------字符的数据
3 y8 j9 g7 I( i/ p3 A' e" a Dim vNumberData(11)
' s. q) _2 l- r1 x+ D. B 'Verdana Font 4 X' `# v7 ]( Z# {! U4 v. R
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
- p7 F! W9 F ?( y vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
, \9 m' j4 `; ]1 F vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" ! d. ?# {! s. `5 U, [) ~ w
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" . m/ I2 h2 q$ z# d
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" ! w: w7 H: Z7 R. J) V W# R
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
2 c0 Z ^1 }$ b2 t vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
$ W$ Q/ ]& N( E' e9 ?& m0 u- J vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
% @ x8 V3 M2 e5 J# N( n vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
' p: L" Z0 O# S vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" " H; v9 ^/ Q5 ~- x( H7 k$ i
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" * k- H3 g$ f, y' |# I" V4 T3 R
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" % p0 e1 E& k( A0 I
'-----------------输出图像文件头 <br> , Y z7 V3 }# G) Q
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) &_
' f" M2 P8 E5 |0 e5 Z | ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
; Y0 v/ R" I, ? u: E7 X( L ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
, M; R: p& m1 {9 y9 R ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) ( r& M& I* i N/ \! L( p
'------------------输出图像信息头
: j4 u. I- E* _% g1 z( V. H$ z Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ ) |& V. p! | \9 Q! t# F7 z: H
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 |/ ~# U- M F! P
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
' b* @3 s# R: |2 ~; j3 O, ^ ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
$ }; i3 [* D8 V! u* w4 ` For i = 9 To 0 Step -1 '----------历经所有行
0 \" {4 s5 [* d' X& S) p For ii = 0 To strLen-1 '-------历经所有字
; I( g( w& c- T8 V* ?! M' ^ For iii = 1 To 8 '--------历经所有像素 $ P1 w# \- M% h0 I- u7 V
'---------逐行、逐字、逐像素地输出图像数据
' T- C0 [' ]! |& a- g% y3 b# N If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 k* ^; h' e3 f' l
Response.BinaryWrite rndColor
% U3 h: i3 e6 `- u) ~2 M2 N Else
- i* q) a4 k! M: d; s; S Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) M0 A4 A( b- K( y/ K1 g) v
End If 3 B* Z0 B" S# c5 s5 [$ x
Next 3 y/ @0 o x! ^& [" D+ _9 {/ ]
Next
( @: N% H N r1 g! { Next
2 J" n( f, m$ h' G; m: pEnd 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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