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:1 X2 l) F a, g+ v
<% ' p; ]6 e7 R+ ~+ ]
Call Com_CreatValidCode(Request.QueryString("tel")) 7 j1 w" y6 B% m9 \2 N2 K
Public Sub Com_CreatValidCode(pTel)
4 A8 z0 N& h$ B; T0 ~# A '----------禁止缓存
. K; [# x: l' ? Response.Expires = 0 ; w1 B( i9 ]+ ^$ n% X
Response.AddHeader "Pragma","no-cache"
4 h5 y' D3 `2 @& L9 S; D1 E Response.AddHeader "cache-ctrol","no-cache"
9 _$ [% W# H. f* \4 N6 C Response.C
( b/ i) P* f: r; B' P Randomize
' |2 }7 H8 `. {5 a+ x# Y% j! } Dim i, ii, iii ,rndColor,strLen,sql,rs
/ B- t! S; E9 V& I( D4 [0 V: ] Const cOdds = 5 '------------杂点出现的机率 * m4 t6 B! E# w' S
Const str="0123456789-" 3 E5 y7 F. N$ G9 a
strLen = len(pTel) 0 E% L& S2 R/ F/ d% V& J" y* H
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
3 [! o0 X# [# k% J$ \/ c '-----------颜色的数据(字符,背景) 1 q. J) h" G R( h" z1 V l
Dim vColorData(1) 0 _ o5 \3 h1 L f
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) 3 Z( N6 D: g! Y8 {% I) V7 s; |, p
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) $ i* L+ l# W( w& w: e) Q. `
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
) `4 u% G1 {0 V 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 3 m* ?; J, `' F; T9 A
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
6 f @: I w: `9 b vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
' j! v: t2 F: a; L' c Y- H '--------------------随机产生字符
1 e1 G8 ]) ?; I7 z6 Q Randomize % y& T/ I/ p1 m+ `5 a5 s+ d# q
Dim vCode()
& Q! |; c+ t2 X2 F7 q redim vCode(strLen-1)
2 `. B( a; n& V& f7 q) c For i = 0 To strLen-1
' S) D( U+ W& K# y2 U: ^ vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
" X- l% n& z) g/ Z Next
$ ]( z: h2 u& j8 j3 m e '-----------字符的数据 - N" J6 ]3 T" @1 `- Z
Dim vNumberData(11) : a& K0 E6 w, X8 G: n3 \5 r
'Verdana Font 1 G- `$ {4 r( v" K; o2 q7 q
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
2 G+ _ a( }# L- o3 `% D; z4 g vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
+ j( ^5 _: l0 Z vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" 9 p G& l4 h2 z# F7 \) e
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" 3 Z/ T1 }$ c' L% M# l! z/ a; _
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
% f Z9 q) e1 l& V# i vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 3 I, b$ n+ w4 c1 h, y) F& q& J. @+ e$ I
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
1 s, O6 _8 o5 [; w( A$ Z Y0 Y6 Y vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
_# V3 V, W8 { vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" / u+ t6 ^, N9 y1 b
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
2 d1 w: l0 X3 p vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
* N; L$ A/ y( g, B vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" 7 s h; }! \ t6 [) z
'-----------------输出图像文件头 <br>
7 y7 N; e/ r- A' u& W' ]! 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) &_
- ?+ l* c8 u% L, E F8 U ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
9 O1 h8 N; b& P: a ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ 8 A, ]5 P5 q- D' [+ [( V+ m0 C
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
) X: `8 ]4 e* @& r; [; M8 n, `8 u '------------------输出图像信息头 ' }" W" c R, C+ R4 t& Y. H7 D
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ 0 x2 d" Q8 L/ v$ w9 `* j- d& b
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)&_
7 n3 m( a) X9 Z& P3 h ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ 3 E& O+ u6 A8 f! \) e l W4 C- L
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 9 P* k3 Q- E( m9 N. ^
For i = 9 To 0 Step -1 '----------历经所有行
$ N2 k" W, F0 r% j For ii = 0 To strLen-1 '-------历经所有字
; g/ P: _8 v* s' ?! k For iii = 1 To 8 '--------历经所有像素 ' T9 x$ S* x8 C: }2 R
'---------逐行、逐字、逐像素地输出图像数据 % m; J) v# @8 L( g
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
$ p" e" X, b; [" E* S1 X* [+ { Response.BinaryWrite rndColor 3 ~: `: s% ~3 q) M# |
Else
' G! \/ v o& j Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) % ~$ z" S3 f$ V" q: x# J E
End If
- ? k$ b3 Z4 y' ]7 o( c" N% W% x Next # D; J) E% z' W: @6 z, b" }1 S
Next * G" G; n% V+ t3 Q
Next
) B. p$ p* b1 m, wEnd Sub & b T$ E/ J1 m& A3 ~: P5 w
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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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