Video: Enctype form tag yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov enctype attribute cia koj qhia ib hom encoding rau koj daim ntawv . Cov enctype attribute cia koj qhia ib hom encoding rau koj daim ntawv . Qhov no yog qhov kev xaiv raug rau feem ntau ntawm HTML yooj yim daim ntawv . multipart / daim ntawv -data yog tsim nyog yog tias koj cov neeg siv yuav tsum tau upload ib cov ntaub ntawv los ntawm lub daim ntawv.
Tsuas yog li ntawd, daim ntawv Enctype yog dab tsi?
Txhais thiab siv. Cov enctype cov cuab yeej teev lossis rov qab tus nqi ntawm qhov enctype attribute hauv a daim ntawv . Cov enctype attribute qhia li cas daim ntawv -cov ntaub ntawv yuav tsum tau encoded ua ntej xa mus rau lub server. Cov daim ntawv -data yog encoded rau "application/x-www- daim ntawv -urlencoded" los ntawm lub neej ntawd.
Ib yam li ntawd, daim ntawv ua haujlwm yog dab tsi? HTML | kev ua Tus cwj pwm yog siv los qhia qhov twg cov formdata raug xa mus rau tus neeg rau zaub mov tom qab xa cov ntawv daim ntawv . Nws tuaj yeem siv rau hauv < daim ntawv > element. Syntax: < daim ntawv ua ="URL"> Tus cwj pwm tus nqi: URL: Nws yog siv los qhia qhov URL ntawm cov ntaub ntawv uas cov ntaub ntawv xa mus tom qab xa cov ntaub ntawv daim ntawv.
Hais txog qhov no, FormUrlEncoded yog dab tsi?
Hom lus piav qhia FormUrlEncoded Qhia tias lub cev thov yuav siv daim ntawv URL encoding. Kev thov ua nrog cov lus piav qhia no yuav muaj daim ntawv thov / x-www- daim ntawv-urlencoded MIME hom. Cov npe thiab cov txiaj ntsig yuav yog UTF-8 encoded ua ntej URI-encoded raws li RFC-3986.
Enctype multipart daim ntawv cov ntaub ntawv hauv MVC yog dab tsi?
Cov enctype = ' multipart / daim ntawv - cov ntaub ntawv ' attribute yog yuav tsum tau thaum lub Daim ntawv yog siv rau upload cov ntaub ntawv siv HTML FileUpload keeb. Cov enctype = ' multipart / daim ntawv - cov ntaub ntawv ' attribute yog yuav tsum tau thaum lub Daim ntawv yog siv rau upload cov ntaub ntawv siv HTML FileUpload keeb.
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