|
![]() |
名片设计 CorelDRAW Illustrator AuotoCAD Painter 其他软件 Photoshop Fireworks Flash |
|
下面两个文件: <!--#include virtual="/intels/chunfeng/graphicdetect.asp"--> <html> <head> <TITLE>图像尺寸</TITLE> </head> <body bgcolor="#FFFFFF"> <% graphic="images/intels.gif" HW = ReadImg(graphic) Response.Write graphic & " Dimensions: " & HW(0) & "x" & HW(1) & "<br>" response.write "<img src=""/" & graphic & """" response.write height=""" & HW(0) & """ response.write width=""" & HW(0) & "">" %> </body> </html> ------------------------ graphicdetect.asp <% Dim HW Function AscAt(s, n) AscAt = Asc(Mid(s, n, 1)) End Function Function HexAt(s, n) HexAt = Hex(AscAt(s, n)) End Function Function isJPG(fichero) If inStr(uCase(fichero), ".JPG") <> 0 Then isJPG = true Else isJPG = false End If End Function Function isPNG(fichero) If inStr(uCase(fichero), ".PNG") <> 0 Then isPNG = true Else isPNG = false End If End Function Function isGIF(fichero) If inStr(uCase(fichero), ".GIF") <> 0 Then isGIF = true Else isGIF = false End If End Function Function isBMP(fichero) If inStr(uCase(fichero), ".BMP") <> 0 Then isBMP = true Else isBMP = false End If End Function Function isWMF(fichero) If inStr(uCase(fichero), ".WMF") <> 0 Then isWMF = true Else isWMF = false End If End Function Function isWebImg(f) If isGIF(f) Or isJPG(f) Or isPNG(f) Or isBMP(f) Or isWMF(f) Then isWebImg = true Else isWebImg = true End If End Function Function ReadImg(fichero) If isGIF(fichero) Then ReadImg = ReadGIF(fichero) Else If isJPG(fichero) Then ReadImg = ReadJPG(fichero) Else If isPNG(fichero) Then ReadImg = ReadPNG(fichero) Else If isBMP(fichero) Then ReadImg = ReadPNG(fichero) Else If isWMF(fichero) Then ReadImg = ReadWMF(fichero) Else ReadImg = Array(0,0) End If End If End If End If End If End Function Function ReadJPG(fichero) Dim fso, ts, s, HW, nbytes HW = Array("","") Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.OpenTextFile(Server.MapPath("/" & fichero), 1) s = Right(ts.Read(167), 4) HW(0) = HexToDec(HexAt(s,3) & HexAt(s,4)) HW(1) = HexToDec(HexAt(s,1) & HexAt(s,2)) ts.Close ReadJPG = HW End Function Function ReadPNG(fichero) Dim fso, ts, s, HW, nbytes HW = Array("","") Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.OpenTextFile(Server.MapPath("/" & fichero), 1) s = Right(ts.Read(24), 8) HW(0) = HexToDec(HexAt(s,3) & HexAt(s,4)) HW(1) = HexToDec(HexAt(s,7) & HexAt(s,8)) ts.Close ReadPNG = HW End Function Function ReadGIF(fichero) Dim fso, ts, s, HW, nbytes HW = Array("","") Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.OpenTextFile(Server.MapPath("/" & fichero), 1) s = Right(ts.Read(10), 4) HW(0) = HexToDec(HexAt(s,2) & HexAt(s,1)) HW(1) = HexToDec(HexAt(s,4) & HexAt(s,3)) ts.Close ReadGIF = HW End Function Function ReadWMF(fichero) Dim fso, ts, s, HW, nbytes HW = Array("","") Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.OpenTextFile(Server.MapPath("/" & fichero), 1) s = Right(ts.Read(14), 4) HW(0) = HexToDec(HexAt(s,2) & HexAt(s,1)) HW(1) = HexToDec(HexAt(s,4) & HexAt(s,3)) ts.Close ReadWMF = HW End Function Function ReadBMP(fichero) Dim fso, ts, s, HW, nbytes HW = Array("","") Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.OpenTextFile(Server.MapPath("/" & fichero), 1) s = Right(ts.Read(24), 8) HW(0) = HexToDec(HexAt(s,4) & HexAt(s,3)) HW(1) = HexToDec(HexAt(s,8) & HexAt(s,7)) ts.Close ReadBMP = HW End Function Function isDigit(c) If inStr("0123456789", c) <> 0 Then isDigit = true Else isDigit = false End If End Function Function isHex(c) If inStr("0123456789ABCDEFabcdef", c) <> 0 Then isHex = true Else ishex = false End If End Function Function HexToDec(cadhex) Dim n, i, ch, decimal decimal = 0 n = Len(cadhex) For i=1 To n ch = Mid(cadhex, i, 1) If isHex(ch) Then decimal = decimal * 16 If isDigit(c) Then decimal = decimal + ch Else decimal = decimal + Asc(uCase(ch)) - Asc("A") End If Else HexToDec = -1 End If Next HexToDec = decimal End Function %> 返回类别: 教程 上一教程: 关于REQUEST 下一教程: 网上考试系统编制中的随机抽取试题的四种算法 您可以阅读与"对文件的操作--建立移动删除文件夹"相关的教程: · DIRECTORY类创建文件夹、删除文件夹 · 在线用表单建立文件夹 · 将服务器端文件夹下的文件,按文件建立的时间先后排序 · ASP对FOXPRO自由表(DBF文件)的操作 · 使用FSO按文件大小浏览文件目录并进行删除操作 |
![]() ![]() |
快精灵印艺坊 版权所有 |
首页![]() ![]() ![]() ![]() ![]() ![]() ![]() |