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:. r2 }( R* \, ?+ ^6 P
<%
/ B: [# J& G6 q# k/ K# `) a% B5 uCall Com_CreatValidCode(Request.QueryString("tel")) ( t5 [, _4 C) e. g/ U: f2 X
Public Sub Com_CreatValidCode(pTel) 7 T j) I! U+ X* @
'----------禁止缓存 ( k1 ?1 C9 C. o
Response.Expires = 0 ! V( u( l3 p$ D; r1 M
Response.AddHeader "Pragma","no-cache" g& i: t9 V* W5 E. `) k
Response.AddHeader "cache-ctrol","no-cache"
. e! w- m2 P( V Response.C
, t" B5 C: n8 Q Randomize
/ `" l5 f G1 h& o/ |' J Dim i, ii, iii ,rndColor,strLen,sql,rs ' ^; J, x! W- z \# n' l& f
Const cOdds = 5 '------------杂点出现的机率 . y2 O0 i0 B" I( S# o8 o/ w
Const str="0123456789-" 1 g# ]- S0 e& L; M
strLen = len(pTel) # L! N! f: _* v7 b! L4 A0 m) W
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) % z% V9 y' Q+ n( f5 ^: H9 @
'-----------颜色的数据(字符,背景) * q( }; m. w( U% |' b8 L) p
Dim vColorData(1) + A; N; N2 D$ A6 Y
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
w# E+ o9 @% D4 h7 M 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) 0 Q: U8 B* w. i; X
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) ! a5 p q2 P5 x$ {& T
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) " E6 \* F" f% V! {! R9 h& p
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
( A; A$ P/ V! b j vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
' q# T, ?! k# H# C! m& f' J '--------------------随机产生字符
$ z1 S8 M. D5 Q& x2 d6 u i Randomize
- s% G; v2 W" K& f Dim vCode() 6 p' i- q& Y) x' K, G. K
redim vCode(strLen-1)
6 n0 [( k; A" C8 n! W) L4 k% { For i = 0 To strLen-1
. }6 d6 G0 B: P vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
6 p8 ~2 ?- D, j1 n" E Next
. X' B( U I4 e1 ]$ x '-----------字符的数据
9 c' w' c6 |& s- e Dim vNumberData(11) 7 k& p1 ^% ?) V7 j- w8 N
'Verdana Font , p) T2 M5 Q" J, x8 Q
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" 3 U' w" p& j3 X3 {/ N
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" , |, w6 M) f* U, Z+ S
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" ; p% a( s) h$ v" J( R' d4 Q
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" 2 r. w, C' @4 T
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
: _% d# ~+ ^- g# A vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" $ A: _2 B& P+ L4 I1 H+ |
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
+ \5 P/ ]2 U% G1 e vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" , W% p( o h9 y. i# F4 L8 ~9 Q
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" ! K3 [# x5 s5 t; `8 |3 I# c
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" ; ^4 G; N3 H# z: W+ `5 _! l8 C
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 4 v" o7 E* T% t4 h8 v6 C
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
. H$ Y$ P% n- f '-----------------输出图像文件头 <br>
) O/ o6 `7 W7 \7 d& S A) R g 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 C0 J6 }: r0 e$ m0 ` ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
, i% r g* Q0 M/ W ~( c ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ * T0 V* e- P9 {, K1 K& ?4 N2 j
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) & w3 V* A1 S+ ~4 |: }# ]
'------------------输出图像信息头
2 X y* o! J1 r. D Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ & S2 H/ h; F7 }, i, |8 I8 M
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)&_
. @. ~/ n7 f$ Q, p& P ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
5 D- M* T1 J2 I4 J& `$ Q- e5 b ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) 4 Y- j; M5 T* h2 C1 p8 w* k; U
For i = 9 To 0 Step -1 '----------历经所有行 + v4 d9 p; T& r* ?8 V" C2 @
For ii = 0 To strLen-1 '-------历经所有字 # b! p" _0 ]; e h: m2 V% s
For iii = 1 To 8 '--------历经所有像素 ( }( g z3 W# I
'---------逐行、逐字、逐像素地输出图像数据
( u. U: W+ z0 c3 r( V0 J4 o If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 1 F. X! I6 c& O2 z
Response.BinaryWrite rndColor & U c9 ?0 B3 a, {# _5 M
Else 4 K2 A; Z5 |) {( N8 M/ S5 W. W- X
Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1))
; \- D' q: u* F: S End If 2 [( v8 k1 T; f2 G3 z3 u7 O2 s
Next
$ c6 i4 \5 r' e9 Z. p Next 6 }2 Y2 L1 ~% A$ }- C9 o
Next @6 D3 g/ P' V* ]% @1 h+ d' A9 E
End Sub
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( F7 w% j, \$ d. w" R 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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