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:7 N6 M" m, V$ c. }9 }! N
<%
: }! {% q- b: s$ TCall Com_CreatValidCode(Request.QueryString("tel")) . I- p- g' Z Y6 j) |* z7 |
Public Sub Com_CreatValidCode(pTel)
R3 U3 ~3 {1 a5 |0 N6 C '----------禁止缓存 ( D9 k* z9 S, W* y3 M/ U) M
Response.Expires = 0
I) { p$ W( O2 n/ | Response.AddHeader "Pragma","no-cache"
" b( C1 D* n' n- J, Y& c6 h Response.AddHeader "cache-ctrol","no-cache"
% O+ t3 B4 I! A- ]. l$ M Response.C
+ t5 m+ o f5 }0 D) } Randomize & C" ~- z) J' U2 |# u0 }4 O
Dim i, ii, iii ,rndColor,strLen,sql,rs
9 o8 f$ x4 v- R! C; x Const cOdds = 5 '------------杂点出现的机率
! S5 V# n, |, L6 ~7 c" K Const str="0123456789-" & n+ e* A" \8 v2 r( P) l' D
strLen = len(pTel) . q1 Q+ T: e4 ^ z% I9 ]6 h
rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255))
8 h' Z \) N( k '-----------颜色的数据(字符,背景) ; b" E2 I/ R$ j7 z) L' j
Dim vColorData(1)
$ \% S7 w* N: R6 U2 w( S! z; ^ 'vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '----蓝0,绿0,红0(黑色)
" H; ]1 J1 }; D# s1 C 'vColorData(1) = ChrB(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) - x( u3 j; p2 y! Z9 C6 {
'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) - h% m" O" n& {$ N) R3 p- ?
'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) ' ~! ?/ \( T6 W& j
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色)
: l' h/ X+ U; s! w# p Z M$ X' v0 V vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色) 7 r7 l! {0 R3 [% ^
'--------------------随机产生字符 + ?: l4 T! H% \7 @
Randomize & k; Y# {- u8 a
Dim vCode()
0 ]9 c& A5 V! C# ^4 _3 N5 b redim vCode(strLen-1) ; ?& K# H8 t! |4 F3 A8 k( i' |
For i = 0 To strLen-1
- a( }- }' |/ d1 ^$ x) e vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 " p3 S2 K0 z9 K9 G; N$ ^
Next
0 Q" }3 x( i$ W) X$ f '-----------字符的数据
G6 C' b; L6 Q9 W: i6 |5 s7 L; b+ t |8 A Dim vNumberData(11) ; _" y/ q4 ^" ]! x
'Verdana Font
- [- I m; G" Q vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" * E- N; y$ \2 r# \$ u
vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" " z' J. M, \8 Y6 B* c% [
vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111"
+ x; g/ Y- i. H0 l vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" # {" u6 a, T8 C
vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111"
2 o% W4 @3 e9 @1 y% _' S7 r0 _ vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" 0 Z% V% g* m- `( |$ N/ r; r& u
vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" 5 R* `- s) ^) W" t& I! V4 m0 s1 I
vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" & ?* W6 a; f8 O: w% Q. H# ]
vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" - @# F7 a1 }0 K: e6 F$ C
vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" + w" C$ I# d6 Q8 b) m- X" ~0 g
vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 9 Z4 W& P. ~) { h5 H8 J& H% S* w
vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111"
6 F0 D4 \7 A+ [! U '-----------------输出图像文件头 <br>
& k6 ~- m k2 @; Z7 Q+ \ 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) &_ e- f4 F z; K4 B/ N4 u
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_ 2 p$ u0 L4 Q3 U8 p3 P
ChrB(0) & ChrB(0) & ChrB(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
! P! K. j% T& N5 h' N1 B ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) ! [* m. F/ P7 {9 _
'------------------输出图像信息头 , ^3 G5 Y. }% c$ z7 l
Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_ / M+ e1 s- Y: {
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)&_ . g9 p3 E; o$ Z
ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&ChrB(0) & ChrB(0) &_
. l3 G: F; u) |$ e' s* v ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) # q% H8 ~: U5 c+ o) O
For i = 9 To 0 Step -1 '----------历经所有行 ! k+ G9 ~" r, u
For ii = 0 To strLen-1 '-------历经所有字
& w" N0 ^" i& M8 L% m4 C% a, a; o For iii = 1 To 8 '--------历经所有像素 " O( a O1 T5 {6 i0 G2 D7 _
'---------逐行、逐字、逐像素地输出图像数据 ' S3 O" c( j1 ~% ]2 O; n6 r4 w! @
If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点
6 C2 W. Q* S X/ V Response.BinaryWrite rndColor 6 N; x7 L( \3 K" L
Else
9 |6 Y, D+ }/ W3 A, o Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 3 Z0 g% I6 ]* I
End If
& M$ i$ {7 d8 g6 | Next
! a$ G4 b: r. L* L' }% J# ]* M Next
# z7 V2 }) m* O; s) q Next
0 ~; @# A. w# D& ^0 VEnd Sub ; I# d& B5 u, ~% _
%> ' B0 v8 ~1 ?- ?: u, H) y
v% l' {. S$ X. r% I9 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。 |
|