URL编码

最新推荐文章于 2025-03-13 11:29:18 发布

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最新推荐文章于 2025-03-13 11:29:18 发布

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分类专栏： C++ 文章标签： url 编码

本文链接：https://blog.youkuaiyun.com/qq_20342915/article/details/73476162

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FString UMyGameInstance::UrlEncode(const FString &UnencodedString)
{
	FTCHARToUTF8 Converter(*UnencodedString);	//url encoding must be encoded over each utf-8 byte
	const UTF8CHAR* UTF8Data = (UTF8CHAR*)Converter.Get();	//converter uses ANSI instead of UTF8CHAR - not sure why - but other code seems to just do this cast. In this case it really doesn't matter
	FString EncodedString = TEXT("");

	TCHAR Buffer[2] = { 0, 0 };

	for (int32 ByteIdx = 0, Length = Converter.Length(); ByteIdx < Length; ++ByteIdx)
	{
		UTF8CHAR ByteToEncode = UTF8Data[ByteIdx];

		if (ByteToEncode != ' '&& IsAllowedChar(ByteToEncode))
		{
			Buffer[0] = ByteToEncode;
			FString TmpString = Buffer;
			EncodedString += TmpString;
		}
		else if (ByteToEncode == ' ')
		{
			EncodedString += "+";
		}
		else if (ByteToEncode != '\0')
		{
			EncodedString += TEXT("%");
			EncodedString += FString::Printf(TEXT("%.2X"), ByteToEncode);
		}
	}
	return EncodedString;
}