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:
0 e# ]" J* M$ q |% @% ?<% 2 J) d" K1 j S; A( H( e& O
Call Com_CreatValidCode(Request.QueryString("tel")) / ?3 u: N# E. G0 | i
Public Sub Com_CreatValidCode(pTel) - K* M' U B4 G$ g
'----------禁止缓存
8 z4 j- ^5 @& W/ Y Response.Expires = 0
! |6 U. A3 N7 S8 n8 h4 t7 t% i Response.AddHeader "Pragma","no-cache" $ R* N g+ l: i0 R0 i
Response.AddHeader "cache-ctrol","no-cache"
. E$ C0 Z- B u, D' ^0 x" c9 ` Response.C
5 d9 e' \/ J: ], _5 V" f/ L6 h Randomize , L# i. d6 U" h F2 N
Dim i, ii, iii ,rndColor,strLen,sql,rs 6 X+ A3 ]: B8 a/ {9 k3 o
Const cOdds = 5 '------------杂点出现的机率
0 J- d# Q7 q" d1 E$ q, ] Const str="0123456789-"
! D4 ^4 `2 O" G O1 P strLen = len(pTel)
2 A) w0 J4 w0 S" \/ A: B rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
8 i. D: L7 v. s, q$ s '-----------颜色的数据(字符,背景)
) U1 S7 B( i7 b* w* T1 T! ?3 C Dim vColorData(1) 5 |3 O9 L/ q' K( i, j+ N
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
4 T- ~& f4 V( c 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
. D+ S2 D" K# y7 m 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
5 I% l* S! ?, [3 q/ L! ` 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
2 f2 P" _: f9 l7 s vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) $ U) n' f+ B: v( x3 n, R& B
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
$ A3 P% q+ |& j; ` '--------------------随机产生字符 9 n. U6 j$ j" d: b* ^: @
Randomize 1 X5 H8 G! ^+ J6 d/ G0 I
Dim vCode()
1 q6 d7 g& R6 e+ L0 Y1 Y redim vCode(strLen-1)
) V. ?5 l4 h; p- y% Q For i = 0 To strLen-1
4 k8 D# a, n- ?$ b vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
; S4 E; S/ n _4 {- J8 ^ Next $ R$ l* r- Q- |( m% Y
'-----------字符的数据 3 ]5 i) {& g- \5 ^
Dim vNumberData(11)
5 J+ p8 |* q p' `; x' T 'Verdana Font * l/ ]' n* i/ u
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" S8 s; `; F9 }/ b% {
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
& R( J$ ^. j" p6 A; Z: `+ ^1 \ vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" 2 f! S$ }' t1 p' J1 d9 q G
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111"
) e/ Q5 N* M% ?0 \: T3 I vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
. F* f1 x; g% O8 l vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" & m# X7 M& [8 r2 f% v7 Q* w0 i5 f
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
' j; {# R5 b: v7 U( N5 W! w4 I vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" % k# w0 R7 ]4 ?
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" ) m7 @" B2 i% Z6 b/ v# [
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" 1 s8 `( \ ~* ~: l3 v8 f; n8 ~) r
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" : n& ?9 Y9 ?8 j# l# g
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" 8 B" f: I! X, [8 s( t# U- O' \
'-----------------输出图像文件头 <br> ! t" c; O. P( Z& u
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) &_ + T7 v( O6 [- O' q+ g
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
+ G. `2 D1 f7 e) s7 p, M ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
' J* j: A* V* x4 w6 O ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) & P1 ?2 o7 o, Y9 b/ \2 p* w: Y! l
'------------------输出图像信息头 " B! v- [* H8 u; V! ^
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ + d) E4 p, I' f; l2 F
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)&_
! d( P$ b/ ?$ A+ ^! S ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
6 }8 }$ o0 G M1 i" S* U$ r/ o& ~ ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) " u& A( l& m7 u' a! G# t* @& [% d
For i = 9 To 0 Step -1 '----------历经所有行 # M8 K& F. y8 l e
For ii = 0 To strLen-1 '-------历经所有字 - ]0 Q( ~; Y' ]5 l0 a$ z9 u! A
For iii = 1 To 8 '--------历经所有像素 0 Z# T& B5 e P$ c
'---------逐行、逐字、逐像素地输出图像数据 6 s( J/ [4 @! I4 i. @/ y2 i
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
1 y' y2 H3 ]# ]9 Q M' J Response.BinaryWrite rndColor 8 h' Y R& M$ j) s* T: @
Else 2 v+ [, E; A- g8 J
Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 7 g- H* h- ~0 j0 n
End If
" Q4 j, l/ F9 @6 K! N Next . ]4 p7 P' n9 i
Next 3 {2 Y& k2 p+ X/ t7 l; \1 p
Next
! e+ j) k4 d& l8 N, u4 P6 gEnd 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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