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:
' y0 Y& W! u% p, E. _$ x# W<% ; C. Z, J2 h/ _: o* k: m
Call Com_CreatValidCode(Request.QueryString("tel")) 9 T0 c+ M G4 V& J. T
Public Sub Com_CreatValidCode(pTel)
+ w; u( M7 `. z2 p- a '----------禁止缓存
/ R9 W* V) r2 k+ A( j) |" c4 N Response.Expires = 0
+ C- _5 o5 ?; |) n7 W) s Response.AddHeader "Pragma","no-cache"
& B3 h# V+ L2 l$ C8 I# c Response.AddHeader "cache-ctrol","no-cache" : I, ~1 y" C y# ]" {9 E
Response.C , b# _% G) a" z; l) g
Randomize
( k* ?+ H5 t3 m0 o7 G0 [ Dim i, ii, iii ,rndColor,strLen,sql,rs
; y9 {6 g- l, f, k! v0 Q: ?/ n Const cOdds = 5 '------------杂点出现的机率
, W9 b5 l1 d% \0 `2 W1 P Const str="0123456789-"
1 `( u/ B9 t l# n strLen = len(pTel)
0 R5 g% F; x3 \) [8 ] rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) ; |' l( _# d) V- g3 p
'-----------颜色的数据(字符,背景)
2 D6 h0 x: e9 {9 @; H6 L3 h/ C8 { Dim vColorData(1) % Z' h A9 N) C+ q& m+ e. I, n
'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) ; u h# |& _% }6 ?2 s
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
1 Y k4 D. M4 u$ i y 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) 6 s) `* I3 E0 P& m
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
+ _8 g$ q: p4 s3 a vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
7 l/ Z L0 p: Q& s2 K vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
$ P* h$ v; S, I, X" z8 R '--------------------随机产生字符 ' x: A. z# f4 O& q2 r
Randomize
) x! ]7 i! c6 f6 `/ z: S) G Dim vCode() 2 U- Q7 I M! ]: _7 O; X* ~- `
redim vCode(strLen-1)
/ {1 [+ n) z- v8 F7 c For i = 0 To strLen-1 6 a$ @7 |' ?; `: q
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 - H7 x+ P7 B* q! w. U9 b) Y9 j
Next 8 { A2 B: ?. D, ^& E) O8 l& D
'-----------字符的数据 ; W E0 x6 J) D4 x8 ]
Dim vNumberData(11) , p( V# U: Q. I+ J0 T5 B4 R
'Verdana Font
% O/ i; z- |, f$ }& z vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" ( ~( W) ~2 B( D
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" ; Y- r) I5 D5 Z+ q' Y/ u. u
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" ( N( t0 q% G" S: Z
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111"
8 y: w# w" X$ t vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" 3 Q; O; c9 I2 R; V; Y' S
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
5 T6 _; X; q' ~ vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
S8 o4 u& p+ e2 S K vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" - d7 I. L1 v& U
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" 7 A7 w8 r% d: d& w+ {1 X G
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" : `0 [# O- c4 R! A' H) X6 M$ h
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 5 Q2 {0 |9 |3 T c0 w
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" * h0 @' u1 F$ `; ?
'-----------------输出图像文件头 <br> 4 h; R |6 @, S( o
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) &_ ; F }* L. m' p1 R' C
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ 5 C9 c0 |% \" o
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ / |8 y* g( S3 m6 M8 g
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
! ^7 _9 u- I6 _- P# T '------------------输出图像信息头 ( b# s* r' c. ~1 w) y
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
* w& O9 {+ Y# Z9 D! Z6 e" h- v. T' _! l 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)&_ ! V0 A& J! d0 ~4 R6 O! B
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
- B" \6 a v( x: P& N: ^ ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
& W3 @8 G# i( B4 y( d+ ?* ~0 ? For i = 9 To 0 Step -1 '----------历经所有行
8 ^: s' |) E h. O# T For ii = 0 To strLen-1 '-------历经所有字
: Q! P5 a0 U# U6 @1 u For iii = 1 To 8 '--------历经所有像素
' G" f1 B8 n/ f; `- k5 n '---------逐行、逐字、逐像素地输出图像数据
1 K) B: W! O1 y" n! @0 N6 Z9 B If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 ( s+ f6 s" W6 i& E/ ]
Response.BinaryWrite rndColor
) b# R3 | U; {, j Else
0 J# M2 e S' B% d Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 8 N$ M9 A- B9 ?9 C8 r6 t ~- _9 X
End If
& x9 k% K6 F7 B Next 8 c: c( ^4 h9 Y1 ^2 E8 k g
Next
0 s9 p4 }- ^: l0 h5 J) p0 ^ Next
$ Y1 [. X# b* S2 [" E; P0 rEnd Sub
) n& b. M! |3 o%>
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" I, ~$ }- }& E; j 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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