Video: Lub hom phiaj ntawm FormBuilder yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Descriptionlink. Cov FormBuilder muab cov suab thaj syntactic uas ua kom luv ua piv txwv ntawm FormControl, FormGroup, lossis FormArray. Nws txo tus nqi ntawm boilerplate xav tau los tsim cov ntaub ntawv nyuaj.
Tsuas yog li ntawd, FormBuilder yog dab tsi?
FormBuilder yog ib daim ntawv thov uas tsim customizable, cov ntaub ntawv txoj hauj lwm tshwj xeeb rau chav tsev xav tau kev pab. FormBuilder Cov thawj coj, nrog kev pab los ntawm ATLAS Daim Ntawv Thov, muaj peev xwm tswj xyuas, kho, thiab faib lawv cov ntaub ntawv rov qab.
Ib sab saum toj no, FormGroup thiab FormControl yog dab tsi hauv angular vim li cas nws thiaj siv rau? Nws yog siv tsim lub kaum sab xis reactive daim ntawv. FormControl : Nws yog chav kawm uas yog siv kom tau txais thiab teeb tsa qhov tseem ceeb thiab validation ntawm a daim ntawv tswj zoo li thiab tag. FormGroup : Nws muaj lub luag haujlwm los taug qab tus nqi thiab siv tau lub xeev ntawm pawg FormControl.
Ua li no, FormBuilder yog dab tsi hauv angular?
Angular Form Builder thiab Validation Management. Angular muaj ib chav pab tshiab hu ua FormBuilder . FormBuilder tso cai rau peb tshaj tawm meej cov ntawv hauv peb cov khoom. Qhov no tso cai rau peb los qhia meej meej rau txhua daim ntawv tswj cov neeg siv khoom siv.
Dab tsi yog qhov txawv ntawm template driven form thiab reactive form?
Qhov txawv ntawm Template - Tsav thiab Reactive Forms Template - tsav cov ntawv yog asynchronous, thaum cov ntaub ntawv reactive yog synchronous. Hauv tus qauv - tsav cov ntawv , feem ntau ntawm kev sib cuam tshuam tshwm sim nyob rau hauv lub template , thaum nyob hauv reactive - tsav cov ntawv , feem ntau ntawm kev sib cuam tshuam tshwm sim hauv tiv thaiv.
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