我的经典ASP应用程序从数据库中检索UTF-8字符串,但我需要将其转换为ISO-8859-1。我不能更改HTML页面编码;
我真的只需要转换获取到的字符串。我该怎么做呢?
我的经典ASP应用程序从数据库中检索UTF-8字符串,但我需要将其转换为ISO-8859-1。我不能更改HTML页面编码;
我真的只需要转换获取到的字符串。我该怎么做呢?
我在这里找到了答案:这里:
Const adTypeBinary = 1
Const adTypeText = 2
' accept a string and convert it to Bytes array in the selected Charset
Function StringToBytes(Str,Charset)
Dim Stream : Set Stream = Server.CreateObject("ADODB.Stream")
Stream.Type = adTypeText
Stream.Charset = Charset
Stream.Open
Stream.WriteText Str
Stream.Flush
Stream.Position = 0
' rewind stream and read Bytes
Stream.Type = adTypeBinary
StringToBytes= Stream.Read
Stream.Close
Set Stream = Nothing
End Function
' accept Bytes array and convert it to a string using the selected charset
Function BytesToString(Bytes, Charset)
Dim Stream : Set Stream = Server.CreateObject("ADODB.Stream")
Stream.Charset = Charset
Stream.Type = adTypeBinary
Stream.Open
Stream.Write Bytes
Stream.Flush
Stream.Position = 0
' rewind stream and read text
Stream.Type = adTypeText
BytesToString= Stream.ReadText
Stream.Close
Set Stream = Nothing
End Function
' This will alter charset of a string from 1-byte charset(as windows-1252)
' to another 1-byte charset(as windows-1251)
Function AlterCharset(Str, FromCharset, ToCharset)
Dim Bytes
Bytes = StringToBytes(Str, FromCharset)
AlterCharset = BytesToString(Bytes, ToCharset)
End Function
所以我刚刚做了这个:
AlterCharset(str, "ISO-8859-1", "UTF-8")
而且它运行得非常好。
UTF-8
数据转换为ISO-8859-1
?通常情况下,这归结于具有许多页面保存为Windows-1252
的遗留系统,并且被视为快速修复,在长期来看,从服务器到客户端提供适当的UTF-8
支持是正确的方法。 - user692942UTF-8
从而实现真正的[tag:localization],以便实现[tag:internationalization]。 - user692942ISO-8859-1
、Windows-1251
、Windows-1252
等)转换为UTF-8
时,将ADODB
的字节数组转换为字符串再转回字节数组存在一些不必要的冗余。可以通过以下方式消除多个函数调用和转换的开销:
Const adTypeText = 2
Private Function AsciiStringToUTF8(AsciiString)
Dim objStream: Set objStream = CreateObject("ADODB.Stream")
Call objStream.Open()
objStream.Type = adTypeText
'Any single-byte charset should work in theory
objStream.Charset = "Windows-1252"
Call objStream.WriteText(AsciiString)
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
objStream.Position = 0
objStream.Charset = "UTF-8"
AsciiStringToUTF8 = objStream.ReadText()
Call objStream.Close(): Set objStream = Nothing
End Function