WinHttpRequest, Ragic, 上传文件

objParam := { "api": ""
             , "v": "3"
             , "1000088": ["D:\your\file\path"] }
CreateFormData(Data, hdr_ContentType, objParam)

WinHttp := ComObjCreate("MSXML2.XMLHTTP.6.0")
WinHttp.Open("POST", "TheURLlinkHere", false)
WinHttp.SetRequestHeader("Content-Type", hdr_ContentType)
WinHttp.SetRequestHeader("Authorization", "Basic " API_Key)
WinHttp.Send(Data)

MsgBox % WinHttp.ResponseText
Return

; 详细说明：https://www.autohotkey.com/boards/viewtopic.php?p=289822#p289822

; CreateFormData() by tmplinshi, AHK Topic: https://autohotkey.com/boards/viewtopic.php?t=7647
; Thanks to Coco: https://autohotkey.com/boards/viewtopic.php?p=41731#p41731
; Modified version by SKAN, 09/May/2016

CreateFormData(ByRef retData, ByRef retHeader, objParam) {
  New CreateFormData(retData, retHeader, objParam)
}

Class CreateFormData {

  __New(ByRef retData, ByRef retHeader, objParam) {

    Local CRLF := "`r`n", i, k, v, str, pvData
    ; Create a random Boundary
    Local Boundary := this.RandomBoundary()
    Local BoundaryLine := "------------------------------" . Boundary

    this.Len := 0 ; GMEM_ZEROINIT|GMEM_FIXED = 0x40
    this.Ptr := DllCall( "GlobalAlloc", "UInt",0x40, "UInt",1, "Ptr"  )          ; allocate global memory

    ; Loop input paramters
    For k, v in objParam
    {
      If IsObject(v) {
        For i, FileName in v
        {
          str := BoundaryLine . CRLF
               . "Content-Disposition: form-data; name=""" . k . """; filename=""" . FileName . """" . CRLF
               . "Content-Type: " . this.MimeType(FileName) . CRLF . CRLF
          this.StrPutUTF8( str )
          this.LoadFromFile( Filename )
          this.StrPutUTF8( CRLF )
        }
      } Else {
        str := BoundaryLine . CRLF
             . "Content-Disposition: form-data; name=""" . k """" . CRLF . CRLF
             . v . CRLF
        this.StrPutUTF8( str )
      }
    }

    this.StrPutUTF8( BoundaryLine . "--" . CRLF )

    ; Create a bytearray and copy data in to it.
    retData := ComObjArray( 0x11, this.Len ) ; Create SAFEARRAY = VT_ARRAY|VT_UI1
    pvData  := NumGet( ComObjValue( retData ) + 8 + A_PtrSize )
    DllCall( "RtlMoveMemory", "Ptr",pvData, "Ptr",this.Ptr, "Ptr",this.Len )

    this.Ptr := DllCall( "GlobalFree", "Ptr",this.Ptr, "Ptr" )                   ; free global memory 

    retHeader := "multipart/form-data; boundary=----------------------------" . Boundary
  }

  StrPutUTF8( str ) {
    Local ReqSz := StrPut( str, "utf-8" ) - 1
    this.Len += ReqSz                                  ; GMEM_ZEROINIT|GMEM_MOVEABLE = 0x42
    this.Ptr := DllCall( "GlobalReAlloc", "Ptr",this.Ptr, "UInt",this.len + 1, "UInt", 0x42 )   
    StrPut( str, this.Ptr + this.len - ReqSz, ReqSz, "utf-8" )
  }
  
  LoadFromFile( Filename ) {
    Local objFile := FileOpen( FileName, "r" )
    this.Len += objFile.Length                     ; GMEM_ZEROINIT|GMEM_MOVEABLE = 0x42 
    this.Ptr := DllCall( "GlobalReAlloc", "Ptr",this.Ptr, "UInt",this.len, "UInt", 0x42 )
    objFile.RawRead( this.Ptr + this.Len - objFile.length, objFile.length )
    objFile.Close()       
  }

  RandomBoundary() {
    str := "0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z"
    Sort, str, D| Random
    str := StrReplace(str, "|")
    Return SubStr(str, 1, 12)
  }

  MimeType(FileName) {
    n := FileOpen(FileName, "r").ReadUInt()
    Return (n        = 0x474E5089) ? "image/png"
         : (n        = 0x38464947) ? "image/gif"
         : (n&0xFFFF = 0x4D42    ) ? "image/bmp"
         : (n&0xFFFF = 0xD8FF    ) ? "image/jpeg"
         : (n&0xFFFF = 0x4949    ) ? "image/tiff"
         : (n&0xFFFF = 0x4D4D    ) ? "image/tiff"
         : "application/octet-stream"
  }
}