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:6 T% `0 E( O1 o9 J( v
<%
1 C" c g+ B+ E: f6 ?: ~9 Y8 V4 x( yCall Com_CreatValidCode(Request.QueryString("tel"))
8 _. \; f; }. `5 h) j3 ?. qPublic Sub Com_CreatValidCode(pTel)
% R @% C7 q+ ?( u: S' Z) b, G% S '----------禁止缓存 5 o0 i/ i3 d+ m$ ?0 M4 |9 h
Response.Expires = 0 , h; \/ P' Y8 L% z4 [3 l
Response.AddHeader "Pragma","no-cache"
9 |" M9 A* n# T& a) Q Response.AddHeader "cache-ctrol","no-cache" # A) Q6 Z$ {* ^; Y1 R
Response.C
0 @) p3 X4 z8 j2 R' j# i Randomize
7 S0 y* `/ n; |4 a; G: N Dim i, ii, iii ,rndColor,strLen,sql,rs 7 s1 t, x0 x* j# _( P
Const cOdds = 5 '------------杂点出现的机率
; p8 m9 @( \5 X# Q Const str="0123456789-" 6 K) T" r: J7 V
strLen = len(pTel) ; i6 X& a. h( O% `: }5 {
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
3 M( W, P# K; j9 A '-----------颜色的数据(字符,背景) ( r" k5 l1 B% K. a. m
Dim vColorData(1)
3 q+ @" N# e/ ~- Q: m' w2 y 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
7 S# Z) Q" }* p- H 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) 4 T/ G: Z& H) c+ ]+ B
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
9 T. x* ~8 T9 G6 w 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) 4 ?8 o7 x" N+ _& p, F- `
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
E6 q0 s5 J1 G- o$ P1 b9 S% |# ^3 W vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
/ n; G) `5 G& N E '--------------------随机产生字符 1 i6 R# { X1 i2 L* Y
Randomize
8 F% J: q& \6 z2 p3 l7 O Dim vCode() ; n& A& h' { }- T0 p
redim vCode(strLen-1) 7 W) P) w J& Q2 C9 N3 a. {. J
For i = 0 To strLen-1 & Q. I: j z, c
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 5 s: I$ \# q2 w1 f, l$ s* p
Next ( K/ t/ C/ g' e K7 Q
'-----------字符的数据 7 d# f4 \5 X2 H8 q7 d
Dim vNumberData(11) # M& l" X/ J: ^1 c2 o: `2 }
'Verdana Font , |# f: ?( ~( y4 j" Z6 p
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
/ [ I2 K. _+ S0 q+ ?4 x* B# S" ] vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111"
* l5 p0 f4 j/ n) _ o: Z vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
& c6 h/ d$ y2 X* ]0 _ vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" ' f* |& [" l& d- x
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
7 {6 G. q3 y& g" Z vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
: f% n2 I, L' T) c( S" p vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" 9 q, H0 y% ~+ p8 m( s# ^
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" 6 K9 r; k/ X- B* b
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
: C/ _7 Y! m+ i vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" ) W; W( Y+ c) X* v! U
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" ' Q3 S' t. ?1 N8 ?
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
9 {0 W u, [9 W' y. V '-----------------输出图像文件头 <br> 4 r2 N3 _3 D0 G* 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) &_
1 t1 f8 {0 E0 C+ l" I ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ % i; W: @4 C! F9 V: U: y
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ : n: J! r6 `! x4 n4 a: {: [9 D; \
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
, i7 ~# u" G0 i8 k. V: F '------------------输出图像信息头
4 c% R4 t0 l* I Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
3 l0 X0 c, M; _+ ]4 _ 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)&_ & K5 r4 n; {; m* D3 h
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_ $ D; H* V1 i/ I H
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) / M0 K6 q' j2 f) x! S. C
For i = 9 To 0 Step -1 '----------历经所有行
" b. w( c/ Z) A" T d4 z( T For ii = 0 To strLen-1 '-------历经所有字
+ j: y( O" E2 U& n: u For iii = 1 To 8 '--------历经所有像素
* r+ H' a; C4 f5 @* r1 s '---------逐行、逐字、逐像素地输出图像数据 - R9 ^2 X: x8 I" }; H' h$ x
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 % d1 ~1 P/ ^3 B8 l1 t7 u
Response.BinaryWrite rndColor
2 b/ a3 c! c. i8 C% E Else
# q2 v, f; O$ q: s8 s1 p Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) * W9 ^# A j" Z
End If
" B- c3 Y+ `- Y( ~- i- R5 h a# R Next 5 N, k' d4 Z- E0 x8 k
Next
4 o. T, C% ?( j, u( V Next * R$ g( p( F2 U o3 z
End 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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