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:
/ y# q! S: B, E ^6 g" _6 g<%
6 e t7 { g$ z5 G) q1 QCall Com_CreatValidCode(Request.QueryString("tel"))
5 t. a% i( r& R' w. d, }Public Sub Com_CreatValidCode(pTel) 0 ~+ E, m5 E- l4 w1 s
'----------禁止缓存
0 Y$ X! o* ^% @' _& n; F% Q Response.Expires = 0
" Q4 b9 x; n/ f0 Y! l. n Response.AddHeader "Pragma","no-cache"
- b4 L5 C" ]! ~9 k7 h. t" b Response.AddHeader "cache-ctrol","no-cache" ; R, p7 x2 E0 {1 s# f" K( P( N
Response.C
8 K" K( F4 a. q3 g Randomize
! y$ p8 a1 c% B$ J Dim i, ii, iii ,rndColor,strLen,sql,rs 6 Q/ f1 c) l2 q8 V4 g* P, J. r
Const cOdds = 5 '------------杂点出现的机率 % P$ F" H3 A% M/ m
Const str="0123456789-" / \, z! f: ~. e% g3 n& t
strLen = len(pTel)
8 ]& ^6 ] F, S& G rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) " r+ K2 Z7 q+ z9 Z3 k
'-----------颜色的数据(字符,背景)
& k2 ?7 g/ _, |( F8 n Dim vColorData(1) ) t1 V, ?; n) w6 A5 h3 j2 H" ~, N
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
2 o, M% c8 l! a" T 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
4 j0 I+ o$ O, v. E8 w& ?; W 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) 1 c* m; [8 w* d$ F) D4 {4 o" ~ I
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 5 U0 K8 l: W! z
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) " G, f( o9 Y- l7 k4 j( g
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
9 D$ G1 u2 @! ?, V- k6 p6 v6 T '--------------------随机产生字符 . A o/ ]7 J, A: h4 H" n' m# Q
Randomize
1 X4 h3 W8 x) U3 W0 i. ~ Dim vCode() 3 T& P9 k$ o) M; I1 z& k4 ~) z! g; F
redim vCode(strLen-1)
6 i. F/ [. G) w2 D For i = 0 To strLen-1 0 D% C! ]& D( m/ t9 a
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1
2 A/ n" ?/ `+ {) @7 m1 V7 A# O& M Next ) Z) I9 b8 A8 p) Y5 D, ^1 Y0 v
'-----------字符的数据
+ D; J( ^ |, o+ i# c) o Dim vNumberData(11) # g$ q! _+ T0 W& D4 e6 \
'Verdana Font 2 E5 `/ X) O' @6 B
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
: U; M6 e% G) u) S0 s" U6 ^6 A+ F9 H vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
9 `) F9 i$ E4 s+ E/ E+ b' {, \ vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
; ?2 L7 e, q9 K& D; J/ O8 r! R vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111"
! Y6 }( v% ?- g, o vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" ' }' m; j) k1 j6 r1 R: F
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
8 H0 \+ p2 Y1 s vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
6 B5 P, y; x3 ?. z1 c X vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111"
( D! _3 z. [9 k( |5 g vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
# k. p* x; l$ x3 E, h8 h j- Z6 B vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" # H7 B; p$ d% T- ]0 B( H) A! z6 S; f
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111"
, |) I, a0 g" G5 q5 z8 ^) D$ S vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
h; Z- P! V5 e1 i# { '-----------------输出图像文件头 <br>
5 d+ m% \: p ?: n 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) &_ 4 |$ g$ b5 G0 I) ^+ y# @6 r9 A
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ * w. B* K. ~8 k9 R
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
2 f( D& c% l8 u. l1 D! u, J ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) ) s/ z. g' {9 C% l
'------------------输出图像信息头 ; C* T/ j+ J/ F$ ~! M3 }/ K
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
( D- {% j+ }) _. C w& \ 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)&_ 1 s P: v$ f- f
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
0 Q* }" Z" k' D8 |: w7 ` ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
; ^ L0 n6 C# @8 J For i = 9 To 0 Step -1 '----------历经所有行 ' X* q; F" ]* E
For ii = 0 To strLen-1 '-------历经所有字 # U' W+ m' P1 L# K) E7 G$ {5 `
For iii = 1 To 8 '--------历经所有像素
* l, M' s J. z: E# |- I1 Q '---------逐行、逐字、逐像素地输出图像数据 6 I3 X* Z1 u6 a! ^" |+ T( N9 M9 B, {) v1 E
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 3 f6 v$ o2 ]) C
Response.BinaryWrite rndColor ( s0 ~* @( j4 d4 G$ U
Else
7 R' X. m9 v% a- i% y. x4 | Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) . T' Z3 D! l2 g6 O- R7 c3 M
End If
, z$ ~% Z$ S4 F' K. \2 L Next " I/ o9 k5 f. ^9 n5 Y/ _
Next
1 Q. p, J5 C" _+ z3 X9 `- U Next
. P" c) L5 v; x0 o2 HEnd Sub
& h4 B. I0 _4 M) m: o" \%> + {/ K | K( [7 ^; H
, ^: `4 |) v4 u- v 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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