Video: Ifstream yog dab tsi hauv C ++?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Keeb Kwm teb: Dab tsi yog qhov ifstream hauv C++?ifstream hauv c ++ yog chav kwj uas sawv cev rau inputfile kwj. Qhov no yog siv los nyeem cov ntaub ntawv los ntawm cov ntaub ntawv.
Ib yam li ntawd, Ifstream yog dab tsi hauv C ++?
ifstream . Cov ifstream yog cov ntaub ntawv streamclass siv rau kev tuav cov ntaub ntawv. Siv ifstream header filefstream yog siv. Nws yog siv los nyeem cov tswv yim los ntawm cov ntaub ntawv. Txhawm rau nyeem los ntawm cov ntaub ntawv ib yam khoom ntawm hom ifstream tsim tawm.
Tsis tas li ntawd, kuv yuav nyeem cov ntaub ntawv Ifstream hauv C ++ li cas? Nyeem cov ntawv nyeem yog ib qho yooj yim heev siv ifstream (inputfile kwj).
- suav nrog cov headers tsim nyog. # suav nrog sivnamespace std;
- Tshaj tawm cov ntaub ntawv tawm tswv yim (ifstream) hloov pauv.
- Qhib cov ntaub ntawv ntws.
- Xyuas tias cov ntaub ntawv tau qhib.
- Nyeem los ntawm cov kwj deg tib yam li cin.
- Kaw cov dej nkag.
Ib qho ntxiv, Ifstream siv rau hauv C ++ yog dab tsi?
Hom ntaub ntawv no sawv cev rau cov ntaub ntawv kwj feem ntau, thiab muaj peev xwm ntawm ob qho tib si ofstream thiab ifstream uas txhais tau tias nws tuaj yeem tsim cov ntaub ntawv, sau cov ntaub ntawv rau cov ntaub ntawv, thiab nyeem cov ntaub ntawv los ntawm cov ntaub ntawv. Txhawm rau ua cov ntaub ntawv hauv C ++, headerfiles thiab < fstream > yuav tsum muaj nyob hauv koj C++ qhov chaw ntaub ntawv.
Qhov txawv ntawm Ifstream thiab Ofstream yog dab tsi?
Qhov txawv ntawm siv ifstream andofstream nrog cinnamon thiab cout. Nws hais tias dej ntws yog siv los nyeem cov ntaub ntawv los ntawm cov ntaub ntawv, thaum ifstream yog siv sau cov ntaub ntawv.