TA的每日心情 | 开心 2014-7-28 21:47 |
---|
签到天数: 2 天 [LV.1]初来乍到
|
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:
; k; @8 o1 _' j) r" i5 P<% 8 P( Z( j1 P8 }0 h& L F- ~
Call Com_CreatValidCode(Request.QueryString("tel")) 2 Z+ C" J; ?" e m4 T( E# m" F: u0 s
Public Sub Com_CreatValidCode(pTel)
8 x3 J0 v' D/ d '----------禁止缓存
" x1 x% u4 B( Z Response.Expires = 0 2 X) N N6 i P3 F
Response.AddHeader "Pragma","no-cache" # c8 H, p l( d, V
Response.AddHeader "cache-ctrol","no-cache" + W# U1 j( O% [, k" l% i
Response.C 2 C# M$ q9 ], v' x1 Y4 ?
Randomize
" t( T4 M2 t8 I/ i6 @- |* Z Dim i, ii, iii ,rndColor,strLen,sql,rs " I4 W4 Z7 v3 q$ m j
Const cOdds = 5 '------------杂点出现的机率
8 |. G; N! H# j5 C+ G' T Const str="0123456789-"
5 |4 x1 e3 s$ D; ^; V) @6 X strLen = len(pTel) 4 V, d$ _- ?5 C0 y3 I$ _! z' r
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
- k5 w! b* q% n9 | '-----------颜色的数据(字符,背景) / w* d$ C" a- W
Dim vColorData(1)
" e8 q' p4 o$ a) E' C' J 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
q* x a" G1 s/ Q( } 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色)
2 Q% y& q: e& W4 c, b8 V1 K 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色)
% l8 B3 H6 ]+ ]7 q 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色)
( h) I# b' t: s; P. d! f. n) z vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
" N) d; }, [. } Q% v' m* A vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
* X' [9 H, z V8 `& m$ [4 |5 k '--------------------随机产生字符 ) {- g1 k( A* a+ q1 x
Randomize
! ^$ h! v; y9 v) F Dim vCode() : g( b9 F5 L( s7 R' q
redim vCode(strLen-1)
( a \& T @( t7 d5 ~ For i = 0 To strLen-1
% B& |& k' b9 h! k& \+ Q h; l vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 ! Q* M7 I W5 h" z
Next
* i. C- x5 b+ ~+ |4 C '-----------字符的数据
7 o) C8 d; @6 R7 Y, y$ t |3 i/ K Dim vNumberData(11)
) {& I' k! ^5 m3 M: R; T: _ 'Verdana Font : T7 _' U, F; i, a' g
vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" a( e) p2 g( @# I; B6 R$ H
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" ( ^% O5 p; }/ L5 D1 T
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" & o8 e/ j# e- `
vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" n5 L8 ?8 }* F
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" - q, e6 N/ b7 e7 q2 o4 a# |
vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111"
6 g: M* P& B5 i: V( ^ vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" ) @$ S/ H; a; ~+ a0 {
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" . q& Y% K7 ?9 d; a# L
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111"
" g; D, j3 C/ i4 a5 P$ f" _ vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" 5 G7 M6 l4 P% @7 Z/ S
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 2 ]7 J9 h6 {7 P) M& w) ~
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" : f; D# @8 \ r" Q! i7 j# R. c$ `' ]. Q
'-----------------输出图像文件头 <br> % ~ x* [# O* s
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 t8 }+ v. t+ C+ P5 M0 T1 n
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ : l/ b0 k3 v1 y" \: _ K! x
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
, T8 H$ V% U. v2 x ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
# j; p) X( R! R '------------------输出图像信息头
|; n, Z+ ^+ e. o% [- V. P Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ 7 a, C1 v( g/ @- ~2 { z; B5 U$ u) Q
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)&_
0 T* l2 S! V6 p* {1 N/ t ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
' J/ {3 A6 A) X ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
( C0 q8 e/ z+ ] For i = 9 To 0 Step -1 '----------历经所有行
! o3 }3 [% h( c, H7 } For ii = 0 To strLen-1 '-------历经所有字
- c- w2 q0 O6 o1 g For iii = 1 To 8 '--------历经所有像素
+ W' J# N" b3 o( t7 F '---------逐行、逐字、逐像素地输出图像数据
& j& j" D# y" a ^) q If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 " \4 a" [# E& _2 z$ V5 q
Response.BinaryWrite rndColor
" ?' @) G; q( k0 F8 y5 i Else
" X3 c, Z- h4 t% o5 ?. Y" I L Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) & e- d0 D x9 D/ |9 l$ H" h
End If
( ~5 h: w; q1 k: r8 q$ v7 o Next 0 j3 }) z+ ]5 E8 i" Z& t
Next 7 g" y+ M" l5 b" o
Next
3 \, i7 P3 ?, WEnd Sub - l+ N+ x: @( `7 i
%>
- i7 y, Y4 Y6 ?7 B& r" K/ M3 d g2 u0 r( j2 T# F
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。 |
|