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:
& i# u* b G& Z# F, {' ~<% ' u/ m% W8 ?7 m
Call Com_CreatValidCode(Request.QueryString("tel"))
; ~, V- k, A: j* c5 x' o3 dPublic Sub Com_CreatValidCode(pTel)
8 U2 T. v7 t, R% a2 Y% a1 @+ Y* P '----------禁止缓存 . h+ E7 c( O) Q3 I+ {0 k8 [5 L- y
Response.Expires = 0
4 [7 m- S0 K( x$ p( b/ s Response.AddHeader "Pragma","no-cache" ; ^ B f. d- B1 c0 w
Response.AddHeader "cache-ctrol","no-cache" - ^) r8 ~8 |$ s8 ^, c
Response.C 7 }5 U3 b. m- Z
Randomize 9 K/ ]5 E" v6 j" L
Dim i, ii, iii ,rndColor,strLen,sql,rs & Y$ Z/ M. C, W
Const cOdds = 5 '------------杂点出现的机率 + E8 ]' T* Q' v. Q8 o8 t2 [; \+ I
Const str="0123456789-" L& _5 _! I5 n7 h7 ^7 S
strLen = len(pTel)
5 k: l, W# T) C6 c0 Z. I rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
+ m, Q2 u V9 n '-----------颜色的数据(字符,背景)
" x& I5 F! }/ a' M4 W1 x Dim vColorData(1)
2 P4 X2 a7 a) p( x; p5 Y: j* r 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色) - K% T; m) L) k' I! T4 T: K, v0 E
'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) ' a! ]: O8 C! j* T. p/ T
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
2 P! q& k+ ^4 Q) O* R6 _& u 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
d, U \# D# M) | f9 O vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) " B# X! F3 K9 n# j# C
vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
4 H# ^/ j6 k8 H4 W5 u '--------------------随机产生字符 ) K- H w, |4 v# T2 v
Randomize & d5 f( I- Z" S8 v
Dim vCode()
- Z0 }; E, j8 s6 `. j' m/ i7 S& l redim vCode(strLen-1)
/ ^" _" @, F E3 [6 U For i = 0 To strLen-1 ; G+ A% o+ r2 u4 V" w0 c' j. p
vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 / ?/ r @2 F# u/ c2 A& j* A ?
Next : g* R/ o! L0 W5 V3 m% l
'-----------字符的数据
0 s3 z0 @/ g! k- T G1 c Dim vNumberData(11) - M( y' N- }7 a0 q' ^% ] C
'Verdana Font
: q6 J) M2 U6 d. u, Q vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111"
$ ?6 A3 a& L3 T4 }$ H' f# V, z vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" # e! C8 F6 o) V+ X# U
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" 0 l& Y7 i4 }' J
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111"
- U. T G. C; D; L vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" 2 C$ z- I! _% G' R8 I+ F
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
' d3 u# x+ l" X1 w9 T2 \! k# U, | vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111"
# t ?6 X7 D+ H; {( U vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" 9 M2 F9 I# ]/ g z9 l$ _/ ^
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" ' s- g2 |9 _, X
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111"
" x: _9 k$ g8 j1 N# ~ vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 6 U% T$ k- S5 V2 T! f+ |% v
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
- ]; s$ [: J' b' G: r '-----------------输出图像文件头 <br>
/ n0 M6 o" k* |: i# Q) R. w 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) &_ 3 E. b9 P1 B2 E# P
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
* N5 {. e% V$ f+ B. Z0 k+ q ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ 2 |% O5 s; O+ _9 O, b: K5 E% J
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) 2 l0 [- ?8 ~+ G0 _& r& N' G- k: {
'------------------输出图像信息头
6 L$ |0 I, a; J Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
7 s, T# t2 f/ d 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 I4 R3 Z/ V4 P* T, s# x
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
- x! s% b! A! m+ d6 B ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
' U& M$ ]3 A: p2 m G/ E0 m For i = 9 To 0 Step -1 '----------历经所有行
1 {1 B9 F. f3 O/ s5 F9 C" n0 r For ii = 0 To strLen-1 '-------历经所有字
- Z; C( f$ g; l For iii = 1 To 8 '--------历经所有像素 / H; S; s2 a" b
'---------逐行、逐字、逐像素地输出图像数据
7 e4 m Z' [( _# P2 N7 V( M If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
0 L- N1 }) ]2 F$ H3 I Response.BinaryWrite rndColor ( t2 l) w; q: {6 r4 [: G
Else G# |0 P5 {, t" l' n7 @; F
Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) # `7 P8 |& g8 e; U
End If ! i; N D8 c/ w/ F% b- {' \; B
Next
7 {# S7 w6 H+ v2 L Next ' R4 L# `+ A$ F5 p/ g6 U9 I/ J' V
Next
$ P6 j/ F- W* q$ ^% uEnd 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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