Web services VB6 base64二进制
我在此Web服务上遇到问题: 在arrayArquivo参数上,我使用此函数生成数据:Web services VB6 base64二进制,web-services,soap,vb6,base64,Web Services,Soap,Vb6,Base64,我在此Web服务上遇到问题: 在arrayArquivo参数上,我使用此函数生成数据: Private Function getBase64fromFile(Filename) As String Dim base64 As New cls64base Dim FileInputData() As Byte Open Filename For Binary As #1 FileInputData = String(LOF(1), 0) Get #1, 1,
Private Function getBase64fromFile(Filename) As String
Dim base64 As New cls64base
Dim FileInputData() As Byte
Open Filename For Binary As #1
FileInputData = String(LOF(1), 0)
Get #1, 1, FileInputData
Close #1
getBase64fromFile = base64.Base64Encode(FileInputData)
End Function
当我呼叫服务时,我收到以下错误:
元素arrayArquivo的类型转换失败
Obs:
即时通讯使用:
- Microsoft Soap ToolKit 3.0
- Visual Basic 6
Public Function GetFileData(ByVal Filename As String) As Byte()
Dim f As Integer
f = FreeFile
Open Filename For Binary Access Read As #f
ReDim GetFileData(0 To LOF(f) - 1)
Get #f, , GetFileData
Close #f
End Function
要将字节数组转换为base64字符串,请执行以下操作:
Public Function GetBase64String(ByRef data() As Byte) As String
Dim doc As DOMDocument
Dim root As IXMLDOMElement
Set doc = New DOMDocument
Set root = doc.createElement("encode")
root.dataType = "bin.base64"
root.nodeTypedValue = data
GetBase64String = root.Text
Exit Function
我不确定这个问题是什么,但我使用以下两个例程从文件中获取二进制数据,然后对其进行base64编码。代码需要MSXML库-我使用版本3,它应该对所有Win2K+版本都可用 要从文件中获取二进制数据,请执行以下操作:
Public Function GetFileData(ByVal Filename As String) As Byte()
Dim f As Integer
f = FreeFile
Open Filename For Binary Access Read As #f
ReDim GetFileData(0 To LOF(f) - 1)
Get #f, , GetFileData
Close #f
End Function
要将字节数组转换为base64字符串,请执行以下操作:
Public Function GetBase64String(ByRef data() As Byte) As String
Dim doc As DOMDocument
Dim root As IXMLDOMElement
Set doc = New DOMDocument
Set root = doc.createElement("encode")
root.dataType = "bin.base64"
root.nodeTypedValue = data
GetBase64String = root.Text
Exit Function
当然,为了减少依赖性,人们也可以考虑编写一个自己的编码/解码工具,因为Base64转换并不是一项非常艰巨的任务:当然,为了减少依赖性,人们也可以考虑制作自己的编码/解码工具,因为Base64转换不是一项非常艰巨的任务: