delphi idhttp1post上传图片


本文整理自网络,侵删。

 unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient,
IdHTTP, StdCtrls,IdMultiPartFormData, ExtCtrls,Jpeg;

type
TForm1 = class(TForm)
Button1: TButton;
IdHTTP1: TIdHTTP;
OpenDialog1: TOpenDialog;
Image1: TImage;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);

private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
res : String;
ms : TIdMultiPartFormDataStream;
h: TIdhttp;
f:string;
begin
if Opendialog1.Execute then
f:=Opendialog1.FileName;
if f='' then exit;
try
ms := TIdMultiPartFormDataStream.Create;
h := Tidhttp.Create(nil);
ms.AddFile('file1',f,'');
idhttp1.Request.ContentType := 'multipart/form-data' ;
res:=h.Post('http://www.xxx.com/Admin/u.asp?menu=up',ms);
if res='上传成功' then
Application.MessageBox('图片上传成功!','提示',MB_OK+MB_ICONASTERISK)
else
Application.MessageBox('图片上传失败!','ERROR',MB_OK+MB_ICONSTOP);
finally
ms.Free;
end;
end;



procedure TForm1.Button2Click(Sender: TObject);
var
imagestream:TMemoryStream;
jpg:TJpegImage;
begin
imagestream := TMemoryStream.Create();
jpg:=TJpegImage.Create;
idhttp1.Get('http://www.xxx.com/UpLoad/ProImages/BigPicture/20091026161618.jpg',imagestream);
imagestream.Position:=0;
jpg.LoadFromStream(imagestream);
image1.Picture.Assign(jpg);

end;

end.

 

 

补充:20190909

-----------------------------u.asp

<!--#include FILE="upfile"-->

<%
if Request("menu")="up" then
On Error Resume Next
Set upl = Server.CreateObject("SoftArtisans.FileUp")


set FileUP=new Upload_file

FileUP.GetDate(-1)
formPath="../UpLoad/ProImages/BigPicture/"
set file=FileUP.file("file1")
filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&"."&file.FileExt
if LCase(file.FileExt) <>"gif" and file.FileExt<>"jpg" and file.FileExt<>"swf" then

response.Write("<script>alert('不支持该文"&filename&"件上传!');history.go(-1);</script>")
response.End()
end if

select case LCase(file.FileExt)
case "gif"
img="[img]"&cluburl&"/"&filename&"[/img]"
case "jpg"
img="[img]"&cluburl&"/"&filename&"[/img]"
case "swf"
img="[flash]"&cluburl&"/"&filename&"[/flash]"
case else
error2("对不起,本服务器只支持GIF、JPG、SWF格式的文件\n不支持 "&file.FileExt&" 格式的文件")
end select

file.SaveToFile Server.mappath(filename)
response.Write("上传成功")
set FileUP=nothing


response.end

else

%>
<body topmargin=0>
<table cellpadding=0 cellspacing=0 width=100%>
<form enctype=multipart/form-data method=post action=u.asp?menu=up>
<tr><td>
<input type=file style=FONT-SIZE:9pt name=file1 size="30"> <input style=FONT-SIZE:9pt type="submit" value=" 上 传 " name=Submit>
</td></tr></form></table>
<%

end if
%>

------------------------------upfile文件,注意这个文件没有扩展名

<%
dim oUpFileStream

Class Upload_file

dim Form,File,Err

Private Sub Class_Initialize
Err=-1
end sub

Private Sub Class_Terminate
'清除变量及对像
if Err < 0 then
oUpFileStream.Close
Form.RemoveAll
File.RemoveAll
set Form=nothing
set File=nothing
set oUpFileStream =nothing
end if
End Sub

Public Sub GetDate(RetSize)
'定义变量
dim RequestBinDate,sStart,bCrLf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,oFileInfo
dim iFileSize,sFilePath,sFileType,sFormvalue,sFileName
dim iFindStart,iFindEnd
dim iFormStart,iFormEnd,sFormName
'代码开始
If Request.TotalBytes < 1 Then
Err=1
Exit Sub
End If
If RetSize > 0 Then
If Request.TotalBytes > RetSize then
Err=2
Exit Sub
End If
End If
set Form = Server.CreateObject("Scripting.Dictionary")
set File = Server.CreateObject("Scripting.Dictionary")
set tStream = Server.CreateObject("adodb.stream")
set oUpFileStream = Server.CreateObject("adodb.stream")
oUpFileStream.Type = 1
oUpFileStream.Mode = 3
oUpFileStream.Open
oUpFileStream.Write Request.BinaryRead(Request.TotalBytes)
oUpFileStream.Position=0
RequestBinDate = oUpFileStream.Read
iFormEnd = oUpFileStream.Size
bCrLf = chrB(13) & chrB(10)
'取得每个项目之间的分隔符
sStart = MidB(RequestBinDate,1, InStrB(1,RequestBinDate,bCrLf)-1)
iStart = LenB (sStart)
iFormStart = iStart+2
'分解项目
Do
iInfoEnd = InStrB(iFormStart,RequestBinDate,bCrLf & bCrLf)+3
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iFormStart
oUpFileStream.CopyTo tStream,iInfoEnd-iFormStart
tStream.Position = 0
tStream.Type = 2
tStream.Charset ="gb2312"
sInfo = tStream.ReadText
'取得表单项目名称
iFormStart = InStrB(iInfoEnd,RequestBinDate,sStart)-1
iFindStart = InStr(22,sInfo,"name=""",1)+6
iFindEnd = InStr(iFindStart,sInfo,"""",1)
sFormName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
'如果是文件
if InStr (45,sInfo,"filename=""",1) > 0 then
set oFileInfo= new FileInfo
'取得文件属性
iFindStart = InStr(iFindEnd,sInfo,"filename=""",1)+10
iFindEnd = InStr(iFindStart,sInfo,"""",1)
sFileName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileName = GetFileName(sFileName)
oFileInfo.FilePath = GetFilePath(sFileName)
oFileInfo.FileExt = GetFileExt(sFileName)
iFindStart = InStr(iFindEnd,sInfo,"Content-Type: ",1)+14
iFindEnd = InStr(iFindStart,sInfo,vbCr)
oFileInfo.FileType = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileStart = iInfoEnd
oFileInfo.FileSize = iFormStart -iInfoEnd -2
oFileInfo.FormName = sFormName
file.add sFormName,oFileInfo
else
'如果是表单项目
tStream.Close
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iInfoEnd
oUpFileStream.CopyTo tStream,iFormStart-iInfoEnd-2
tStream.Position = 0
tStream.Type = 2
tStream.Charset = "gb2312"
sFormvalue = tStream.ReadText
form.Add sFormName,sFormvalue
end if
tStream.Close
iFormStart = iFormStart+iStart+2
'如果到文件尾了就退出
loop until (iFormStart+2) = iFormEnd
RequestBinDate=""
set tStream = nothing
End Sub

'取得文件路径
Private function GetFilePath(FullPath)
If FullPath <> "" Then
GetFilePath = left(FullPath,InStrRev(FullPath, ""))
Else
GetFilePath = ""
End If
End function

'取得文件名
Private function GetFileName(FullPath)
If FullPath <> "" Then
GetFileName = mid(FullPath,InStrRev(FullPath, "")+1)
Else
GetFileName = ""
End If
End function

'取得扩展名
Private function GetFileExt(FullPath)
If FullPath <> "" Then
GetFileExt = mid(FullPath,InStrRev(FullPath, ".")+1)
Else
GetFileExt = ""
End If
End function

End Class

'文件属性类
Class FileInfo
dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
Private Sub Class_Initialize
FileName = ""
FilePath = ""
FileSize = 0
FileStart= 0
FormName = ""
FileType = ""
FileExt = ""
End Sub

'保存文件方法
Public function SaveToFile(FullPath)
dim oFileStream,ErrorChar,i
SaveToFile=1
if trim(fullpath)="" or right(fullpath,1)="/" then exit function
set oFileStream=CreateObject("Adodb.Stream")
oFileStream.Type=1
oFileStream.Mode=3
oFileStream.Open
oUpFileStream.position=FileStart
oUpFileStream.copyto oFileStream,FileSize
oFileStream.SaveToFile FullPath,2
oFileStream.Close
set oFileStream=nothing
SaveToFile=0
end function

'取得文件内容
Public Function GetDate
oUpFileStream.Position =FileStart
GetDate=oUpFileStream.Read(FileSize)
End Function
End Class
%>

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