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: d/ o: V$ O1 b2 F
<%
, C( E7 w' Z) L! y* o, Z% X) j( bCall Com_CreatValidCode(Request.QueryString("tel"))
@( ^0 X, A2 F& XPublic Sub Com_CreatValidCode(pTel) U H: `/ ]6 Y
'----------禁止缓存
9 S" H0 m* J8 D. f2 d, H Response.Expires = 0 # `3 W% e4 T5 N# u2 A
Response.AddHeader "Pragma","no-cache"
& i W) n9 B1 p5 Y9 ^0 s+ w Response.AddHeader "cache-ctrol","no-cache" ; y9 D, Q: d; x- _9 W: L
Response.C
. s( {: p2 t2 g4 n Randomize
9 |6 U! v- B9 a# E Dim i, ii, iii ,rndColor,strLen,sql,rs ' p) E0 L3 |, V7 V5 G) H
Const cOdds = 5 '------------杂点出现的机率 1 C/ D1 o; ]: A& b( e
Const str="0123456789-" 6 C: f: O- N; h1 Z
strLen = len(pTel)
5 e( N9 u/ n& |2 V5 J) b9 ]1 B rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
- y/ n! L% ~: L' _6 v% _0 g '-----------颜色的数据(字符,背景) 4 r: K8 T5 i0 \- U+ m" l \
Dim vColorData(1)
- ]0 L5 T4 _ x! R4 E1 [5 H 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
% K' _2 X! V" s 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) * ^4 N' [8 `3 \/ J
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
- e; R) H; K# f, A; ~1 |2 ^: V 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 8 o* ?- U3 r" _5 M! E/ X* @% B
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) ; X7 S& o h! @$ B+ ?
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色) / s4 ]; i0 ]4 v# w- N) D
'--------------------随机产生字符
. e; P1 x* w- A9 } Randomize ! w# a1 }7 M% I( i) y9 a& ~
Dim vCode() ) K" b5 G# s8 s! d5 |$ k+ f m
redim vCode(strLen-1) 6 o$ K2 |, ~/ r [* k- C0 W
For i = 0 To strLen-1
% w# v9 E# B ], C+ E4 q" r8 d vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 3 R! ?, ^. M- _8 Y- u1 u2 _6 p2 D
Next 5 m/ \$ Z- M- V$ u5 i
'-----------字符的数据
. F/ v, T) M1 r: c Dim vNumberData(11) ) |% s" h5 g* W3 ?- L- U
'Verdana Font
( m8 G3 F7 N; ~3 a0 i vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
7 {+ x; R! Z. c2 I! K vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
; u4 a2 t- L4 f7 y6 Z7 z vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" , C, q' \) a; E3 M$ j! E
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" , {+ v8 ^4 p8 p+ \- y
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
8 a/ i+ A& p: j vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
* n* b, J+ L% @% m" `) [ q vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
" T( n( Z! d6 T/ q1 X vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" ) B7 I* k; }( X* @$ ?8 K( j7 E% G
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" / L5 r( B2 L# X5 [( V, h
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
: t3 [3 I1 @5 ]# ^( |7 _! N vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
h: @: L: ~' W1 d9 B vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
+ s* C4 c+ I/ C6 w '-----------------输出图像文件头 <br>
/ g. R* O) q8 n' a) ? 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) &_ 0 K; \# W$ d1 O9 K+ ]
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ ! N" g; k- s0 S$ f% M
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
. Y( W' {1 c: d0 y: J4 O ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) + u6 J3 I" O& t# w z& W& U
'------------------输出图像信息头
( _8 C- v. K' { Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ , x- }9 R# ~9 \/ E) X9 i& d
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)&_ . }+ S3 m. B1 T+ g; N
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ * E2 @' V& _% c! H5 L
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
; \9 t; q" J- W' s; H$ o For i = 9 To 0 Step -1 '----------历经所有行
/ u. I/ T3 H$ o/ r3 O" w% T For ii = 0 To strLen-1 '-------历经所有字 8 \/ h) D! j: `' e4 f$ U3 l1 g) M
For iii = 1 To 8 '--------历经所有像素 3 v4 l J$ B. B' {1 S8 |
'---------逐行、逐字、逐像素地输出图像数据 ( h8 U8 H# C& h$ g" N! l' Z
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 4 n% P. x$ i# M0 y; C$ W+ u
Response.BinaryWrite rndColor
: G# h0 ^- u' S: d- e$ F Else
+ t' S5 l& B; c. G8 J Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
1 o, B8 c# F& L, ?' X! q% q End If
% q2 C1 E3 u. b0 [- h3 ^ Next ) n3 V8 {" ?4 ]
Next l- t! m; }6 ?9 q
Next % _) T7 w* z; V, J3 n M
End Sub 5 y4 d! R* {* v/ U, U) z
%> 7 E: w" T- ^) q
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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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