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UE4基本資料型別轉換

{
        //FString To FName
        FString Str = TEXT("TestString");
        FName Name = FName(*Str);
        //FName To FString
        FString TargetFString = Name.ToString();
    }
 
    {
        //std::string to FString
        std::string stdStr = "TestString";
        FString MyStr(stdStr.c_str());
 
        
//FString To char* char* c = TCHAR_TO_UTF8(*MyStr); // FString to std::string std::string TargetString(c); } { //FString to Int32 FString Str = TEXT("TestString"); int32 i = FCString::Atoi(*Str); //or i = atoi(TCHAR_TO_UTF8(*Str));
// FString to float int32 f = FCString::Atof(*Str); //or f = atof(TCHAR_TO_UTF8(*Str)); //FString To bool bool bNewbool = Str.ToBool(); // Int32 to FString FString TStr = FString::FromInt(123); // float to FString FString TStr1 = FString::SanitizeFloat(36.23f
); // bool to FString int32 b = true; FString Out= b ? TEXT("true"): TEXT("false"); } { //FString to TCHAR* FString Str1(TEXT("TestString")); const TCHAR* MyTChar = *Str1; //FString to FText FText MyText = FText::FromString(Str1); //FText to FName FName Name = FName(*MyText.ToString()); //FName to FText FText MyText1 = FText::FromName(Name); } { //FString To TArray<uint8> FString Str = "Hello UE4";//原資料 TArray<uint8> outDataArray;//目標資料 TCHAR* CharData = Str.GetCharArray().GetData(); int32 Len = FCString::Strlen(CharData); for (int i = 0; i < Len; i++) { uint8* dst = (uint8*)TCHAR_TO_UTF8(CharData); CharData++; outDataArray.Add(*dst); } //FString To TArray<uint8> FBase64::Decode(Str, outDataArray); //TArray<uint8> To FString const std::string cstr(reinterpret_cast<const char*>(outDataArray.GetData()), outDataArray.Num()); FString MyStr1(cstr.c_str()); //TArray<uint8> To FString FString DestStr = FBase64::Encode(outDataArray); } { //列舉轉字串 enum ETempEnum { One, Two, Three, }; { //通過列舉型別的名字找到對應列舉型別的COD class object defalut const UEnum* EnumPtr = FindObject<UEnum>(ANY_PACKAGE, TEXT("ETempEnum"), true); if (EnumPtr) { FString str = EnumPtr->GetNameStringByIndex(ETempEnum::Two); } } //字串轉列舉 { //通過列舉型別的名字找到對應列舉型別的COD class object defalut const UEnum* EnumPtr = FindObject<UEnum>(ANY_PACKAGE, TEXT("ETempEnum"), true); if (EnumPtr) { ETempEnum OutEnum= (ETempEnum)EnumPtr->GetIndexByNameString(TEXT("Three")); } } } //額外補充 { //FString To Md5 FString String("sdsafasfasf"); FMD5::HashAnsiString(*String); // FString To Sha1 FSHA1 Sha1Gen; Sha1Gen.Update((unsigned char*)TCHAR_TO_ANSI(*String), FCString::Strlen(*String)); Sha1Gen.Final(); FString Sha1String; for (int32 i = 0; i < 20; i++) { Sha1String += FString::Printf(TEXT("%02x"), Sha1Gen.m_digest[i]); } }