TA的每日心情 | 开心 2014-7-28 21:47 |
---|
签到天数: 2 天 [LV.1]初来乍到
|
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:' p2 Q3 q5 f1 |$ Z9 Z, [
<% 5 w$ D& e; \. U- K2 V2 m2 a
Call Com_CreatValidCode(Request.QueryString("tel")) K% i2 F2 J1 h7 @. {- ^( _
Public Sub Com_CreatValidCode(pTel) 0 }1 }/ o0 q4 z2 ^/ [! t5 H
'----------禁止缓存
" J/ ]) c% o+ p% W1 T% Y5 A% H Response.Expires = 0
% i1 C7 p. ^3 X$ g, I Response.AddHeader "Pragma","no-cache"
% k) Q- O1 o; ?( N2 j- u Response.AddHeader "cache-ctrol","no-cache" 6 H4 l/ w. q- |8 w5 K
Response.C
, V2 U; T# u. P; ^; E Randomize 4 ^1 w5 h* D- ]3 d6 n$ i) w& {# [
Dim i, ii, iii ,rndColor,strLen,sql,rs
' s: g5 }8 x/ d6 M; Q3 y Const cOdds = 5 '------------杂点出现的机率
5 E* ?4 K1 ?4 ^) _$ D3 }3 { Const str="0123456789-" 7 T6 h! e2 J% P" H
strLen = len(pTel)
?+ z1 `0 [0 |+ H) J rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) ) |9 P1 p" ]) Y
'-----------颜色的数据(字符,背景) # K4 _# y) x1 q, }/ ^% s8 y
Dim vColorData(1)
* e1 t0 U( H& O- q2 X 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) # @0 u2 a0 Z+ D7 D
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
" t& N# x9 ?7 g 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) & }& }0 |. V- Y. q
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
F1 T0 {( S- Y6 i* ~# J- o vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) / [. P+ Z$ F7 G) r
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
/ M5 n# i4 S8 D '--------------------随机产生字符 7 Z. h7 H4 M Z' l/ N: g6 o6 ?
Randomize
# _0 Z9 T/ R1 j, y% e3 Y! c: Q Dim vCode()
2 N2 n6 \5 o. T' ~) p7 X redim vCode(strLen-1)
+ t: ~3 g' W) | For i = 0 To strLen-1 2 D. u0 ^% o8 m
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
% H* A2 i3 p: G' h) R) J) A Next 8 Z8 S4 S1 M- a2 k/ F2 z/ \& d
'-----------字符的数据
( w1 L# [6 @/ V) P: C5 M$ \- L Dim vNumberData(11) 9 f, B4 F. O) \8 V* S0 u, R4 e
'Verdana Font
/ t1 `5 h3 j$ r# k7 t9 Z5 d, d vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
7 Y; J3 |0 V9 s" y vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" 9 t3 B7 h8 N) S' l5 S" O3 D- y
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
2 d9 ]8 u, [6 v3 ^: m0 B vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" ; I u. G( N$ A# u% y# C9 i1 J5 _$ C' @
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" & G t+ @1 r9 H" k5 d, S* b) X
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" # x, Q8 L9 r5 I* r% k
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
1 }' N) o; L, {7 _" Q3 } y vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" 3 ?$ L& \4 l$ S/ c8 S+ u, W" M6 @
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
1 B a+ L6 s; W" r vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" + h3 x8 a7 Z" v( h1 [( C5 F$ c0 p
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
: U4 A. h/ ~5 Q- U6 p3 {6 v vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
& O! e1 A. b# |* j1 o Y0 F2 n '-----------------输出图像文件头 <br> , S* O. L4 b' ~* g% H- v
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) &_ # @, Q4 q/ v- |
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
- i) {. @% r ^9 g8 I ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
3 B/ E6 \$ b7 ~* C ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
; c+ e+ q3 S) [0 s% H7 o9 e/ x5 V '------------------输出图像信息头
# A, A: P: F/ A; E! u5 Y2 Z: D Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ 6 J" |4 H4 r8 [8 k$ [1 i6 |$ o
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)&_ 9 ?+ b- u# i" `/ d' ]- A
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ % P6 f2 ?% x P1 d' z7 D+ }
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) - s+ I+ K- ~8 c' n8 c: S$ `
For i = 9 To 0 Step -1 '----------历经所有行
# v& Y! h0 n9 F9 J4 `8 `+ U For ii = 0 To strLen-1 '-------历经所有字
7 D6 p% Y* g: {- }- D For iii = 1 To 8 '--------历经所有像素
# ~& H, w# a; C/ |8 R/ A '---------逐行、逐字、逐像素地输出图像数据
) d2 u9 ^2 Z: _) W1 K1 h" {0 x If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 " S$ e. s0 j5 ~6 V0 q6 L: }
Response.BinaryWrite rndColor
L. C" |/ O4 ^( _8 z" ?. w+ b Else
( p3 {! J0 F: Y* J Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) : @7 b2 w |1 ?3 {, ~* T
End If
\6 ~1 S# l) C9 D2 B) O Next
4 m8 v: G. U. y Next 6 ]8 p2 M3 x" S" ^; Y7 `! Q* Z
Next , _8 H1 |% v3 k( c# p- {9 w
End Sub + h' F4 x3 K+ U/ K; K( r0 W
%> ' I- O0 ~" Y* |/ w A
. [' Q% B/ Z! O6 I 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。 |
|