Video: Dab tsi yog t4 template hauv Entity Framework?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ib tsab ntawv Template Transformation Toolkit ( T4 ) tus qauv yog lub hom phiaj dav dav tus qauv cav; siv T4 peb tuaj yeem tsim C#, VB code, XML, HTML lossis ntawv ntawm txhua yam. Cov cim cim yog siv hauv Visual Studio hauv cov thev naus laus zis zoo li MVC, Lub koom haum Framework , LINQ rau SQL thiab ntau lwm yam uas siv cov cov qauv.
Ib yam li ntawd, t4 template hauv MVC yog dab tsi?
ASP. NET MVC yog siv T4 (Tau ntawv Template Transformation Toolkit) los tsim cov cai tom qab qhov xwm txheej thaum tus Tswj lossis Saib tau ntxiv rau qhov project. T4 yog lub tshuab hluav taws xob hloov kho cov ntawv nyeem raws li cov qauv . A T4 template zoo nkaus li zoo ib yam li lwm yam Web Form sib txuas cov ntawv nyeem yooj yooj yim nrog kev tswj xyuas logic.
Qhov thib ob, Entity Framework yog dab tsi hauv. NET nrog piv txwv? Lub koom haum Framework yog qhov chaw qhib ORM lub moj khaum rau. NET cov ntawv thov txhawb los ntawm Microsoft. Nws ua rau cov neeg tsim khoom ua haujlwm nrog cov ntaub ntawv siv cov khoom ntawm cov chav kawm tshwj xeeb yam tsis tau tsom mus rau cov lus hauv qab database thiab txhua kab uas cov ntaub ntawv no khaws cia.
Hais txog qhov no, Csdl lub luag haujlwm yog dab tsi?
Conceptual schema txhais lus ( CSDL ) yog ib hom lus XML uas piav txog qhov cov chaw , kev sib raug zoo, thiab kev ua haujlwm uas tsim ib lub tswv yim qauv ntawm cov ntaub ntawv-tsav daim ntawv thov. Cov qauv tswv yim no tuaj yeem siv los ntawm cov Lub koom haum Framework los yog WCF Data Services.
t4 code tiam yog dab tsi?
Code tiam thiab T4 Text Templates. Text Template Transformation Toolkit (feem ntau hu ua " T4 ") yog tus qauv pub dawb thiab qhib qhov chaw raws cov ntawv nyeem tiam lub moj khaum suav nrog Visual Studio. T4 cov ntaub ntawv feem ntau yog denoted los ntawm cov ntaub ntawv extension ".
Pom zoo:
Dab tsi yog daim ntawv qhia hauv Entity Framework?
Entity Framework. Nws yog ib qho cuab yeej los nkag rau hauv database. Qhov tseeb dua, nws tau muab cais ua Qhov Object / Relational Mapper (ORM) uas txhais tau tias nws qhia cov ntaub ntawv hauv cov ntaub ntawv sib txheeb rau hauv cov khoom ntawm peb daim ntawv thov
Dab tsi yog hom complex hauv Entity Framework?
Cov hom Complex yog cov khoom tsis-scalar ntawm qhov chaw hom uas ua kom cov khoom scalar raug teeb tsa hauv cov chaw. Nws tsuas tuaj yeem muaj nyob ua cov khoom ntawm hom chaw lossis lwm hom complex. Nws tsis tuaj yeem koom nrog cov koom haum thiab tsis tuaj yeem muaj cov cuab yeej navigation. Complex hom khoom tsis tuaj yeem yog null
Dab tsi yog qhov qauv ntawm qhov chaw cia khoom nyob hauv Entity Framework?
Generic Repository Pattern C# Tsim cov chav kawm repository rau txhua qhov chaw tuaj yeem ua rau ntau tus lej rov ua dua. Generic repository qauv yog ib txoj hauv kev los txo qhov kev rov ua dua no thiab muaj ib lub hauv paus repository ua haujlwm rau txhua hom ntaub ntawv
Dab tsi yog concurrency hauv Entity Framework?
Concurrency Management nyob rau hauv Entity Framework Core. Kev tsis sib haum xeeb tshwm sim thaum ib tus neeg siv tau txais ib qho chaw cov ntaub ntawv txhawm rau hloov kho nws, thiab tom qab ntawd lwm tus neeg siv hloov kho tib lub koom haum cov ntaub ntawv ua ntej thawj tus neeg siv hloov pauv tau sau rau hauv cov ntaub ntawv
Dab tsi yog template hauv angular 4?
Templates tau txhais nyob rau hauv @Component decorator. Koj tuaj yeem txhais cov qauv hauv kab hauv HTML nrog rau cov qauv sab nraud hauv cov ntaub ntawv HTML. Koj tseem tuaj yeem tso saib cov ntaub ntawv teev tseg hauv cov khoom siv los ntawm kev cuam tshuam, nrog rau siv ntau yam xwm txheej hauv cov qauv