怎么样获得图片的值!---大小和规格
怎么样获得图片的值!---大小和规格
如:
03025.jpg
大小:102 KB
规格:122 * 60
用代码怎么样得到 它们的值!
问题点数：20、回复次数：11Top
1 楼kelly_1127（小狐狸如如）回复于 2004-12-04 11:05:11 得分 0
帮我啊!Top
2 楼holoon（大家好才是真的好）回复于 2004-12-04 11:28:20 得分 0
Width:<span id="w"></span><br>
Height:<span id="h"></span> <br>
<img id="myimg" onload="w.innerText=this.width;h.innerText=this.height">
<input type=file name="imgbrowser" style="display:none">
<input name=path >
<input type=button value="Browser" onclick="img()">
<script>
function img() {
imgbrowser.click()
path.value=imgbrowser.value
myimg.src=path.value
}
</script>
Top
3 楼daknis（杰瑞）回复于 2004-12-04 14:27:37 得分 0
不知道Top
4 楼ronakitty（毓苫）回复于 2004-12-04 15:34:32 得分 20
<%
imgpath="images/office.gif"
set pp=new imgInfo
w = pp.imgW(server.mappath(imgpath))
h = pp.imgH(server.mappath(imgpath))
set pp=nothing
response.write "<img src='"&imgpath&"' border=0><br>宽:"&w&";高:"&h
Class imgInfo
dim aso
Private Sub Class_Initialize
set aso=CreateObject("Adodb.Stream")
aso.Mode=3
aso.Type=1
aso.Open
End Sub
Private Sub Class_Terminate
err.clear
set aso=nothing
End Sub
Private Function Bin2Str(Bin)
Dim I, Str
For I=1 to LenB(Bin)
clow=MidB(Bin,I,1)
if ASCB(clow)<128 then
Str = Str & Chr(ASCB(clow))
else
I=I+1
if I <= LenB(Bin) then Str = Str & Chr(ASCW(MidB(Bin,I,1)&clow))
end if
Next
Bin2Str = Str
End Function
Private Function Num2Str(num,base,lens)
dim ret
ret = ""
while(num>=base)
ret = (num mod base) & ret
num = (num - num mod base)/base
wend
Num2Str = right(string(lens,"0") & num & ret,lens)
End Function
Private Function Str2Num(str,base)
dim ret
ret = 0
for i=1 to len(str)
ret = ret *base + cint(mid(str,i,1))
next
Str2Num=ret
End Function
Private Function BinVal(bin)
dim ret
ret = 0
for i = lenb(bin) to 1 step -1
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal=ret
End Function
Private Function BinVal2(bin)
dim ret
ret = 0
for i = 1 to lenb(bin)
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal2=ret
End Function
Private Function getImageSize(filespec)
dim ret(3)
aso.LoadFromFile(filespec)
bFlag=aso.read(3)
select case hex(binVal(bFlag))
case "4E5089":
aso.read(15)
ret(0)="PNG"
ret(1)=BinVal2(aso.read(2))
aso.read(2)
ret(2)=BinVal2(aso.read(2))
case "464947":
aso.read(3)
ret(0)="GIF"
ret(1)=BinVal(aso.read(2))
ret(2)=BinVal(aso.read(2))
case "535746":
aso.read(5)
binData=aso.Read(1)
sConv=Num2Str(ascb(binData),2 ,8)
nBits=Str2Num(left(sConv,5),2)
sConv=mid(sConv,6)
while(len(sConv)<nBits*4)
binData=aso.Read(1)
sConv=sConv&Num2Str(ascb(binData),2 ,8)
wend
ret(0)="SWF"
ret(1)=int(abs(Str2Num(mid(sConv,1*nBits+1,nBits),2)-Str2Num(mid(sConv,0*nBits+1,nBits),2))/20)
ret(2)=int(abs(Str2Num(mid(sConv,3*nBits+1,nBits),2)-Str2Num(mid(sConv,2*nBits+1,nBits),2))/20)
case "FFD8FF":
do
while p1=255 and not aso.EOS
p1=binVal(aso.Read(1))
wend
if p1<191 or p1>196 then aso.read(binval2(aso.Read(2))-2)
while p1<255 and not aso.EOS
dp1=binVal(aso.Read(1))
wend
loop while true
aso.Read(3)
ret(0)="JPG"
ret(2)=binval2(aso.Read(2))
ret(1)=binval2(aso.Read(2))
case else:
if left(Bin2Str(bFlag),2)="BM" then
aso.Read(15)
ret(0)="BMP"
ret(1)=binval(aso.Read(4))
ret(2)=binval(aso.Read(4))
else
ret(0)=""
end if
end select
ret(3)="width=""" & ret(1) &""" height=""" & ret(2) &""""
getimagesize=ret
End Function
Public Function imgW(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgW = arr(1)
end select
Set f1=nothing
else
imgW = 0
End if
Set fso1=nothing
End Function
Public Function imgH(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgH = arr(2)
end select
Set f1=nothing
else
imgH = 0
End if
Set fso1=nothing
End Function
End Class
%>
不过有点bug,后缀为jpg的图片读不出尺寸Top
5 楼lingyun2111（凌云）回复于 2004-12-04 16:44:01 得分 0
学习^_^Top
6 楼kelly_1127（小狐狸如如）回复于 2004-12-09 13:49:56 得分 0
还有哪个?Top
7 楼hhjjhjhj（大头)(http://office.9zp.com）回复于 2004-12-09 13:54:41 得分 0
http://community.csdn.net/Expert/topic/3276/3276922.xml?temp=.7761499Top
8 楼kelly_1127（小狐狸如如）回复于 2004-12-09 13:59:43 得分 0
怎么用啊!Top
9 楼nik_Amis（...）回复于 2004-12-09 14:48:27 得分 0
upTop
10 楼TSD（智之选,商欲达--智商购物系统zhishop.com）回复于 2004-12-09 14:55:27 得分 0
用JS读出尺寸,用FSO读出大小不就可以了Top
11 楼superfishmanweb（我也是千百个不愿意呀）回复于 2004-12-09 19:13:53 得分 0
先记下Top
