ue4c++格式化字符串

函数说明

  • Format the specified string using the specified arguments. Replaces instances of {0} with indices from the given array matching the index specified in the token
  • @param InFormatString A string representing the format expression
  • @param InOrderedArguments An array of ordered arguments that match the tokens specified in InExpression
  • @return A string containing the formatted text
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UE_NODISCARD static FString Format(const TCHAR* InFormatString, const FStringFormatOrderedArguments& InOrderedArguments);

例子

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TArray<FStringFormatArg> FormatArray;
FormatArray.Add(FStringFormatArg(1));
FormatArray.Add(FStringFormatArg("2"));
FString fmt = FString::Format(TEXT("arg1 {0} arg2 {1}"), FormatArray);
if (GEngine)
{
    GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::White, fmt);
}