如何在 Spring Boot 中的组件中自动装配存储库接口

Question

我使用Spring + Mysql的，我可以自动装配成功我的课，从扩展PagingAndSortingRepository<T,E>在我的RepositoryRestController课。我可以在下面的控制器中自动连接我的存储库。package com.fallavi.api.user.controller;import com.fallavi.api.MyConfig;import com.fallavi.api.purchase.model.Purchase;import com.fallavi.api.purchase.repository.PurchaseRepository;import com.fallavi.api.reader.model.Reader;import com.fallavi.api.reader.repository.ReaderRepository;import com.fallavi.api.user.calculator.UserCreditHelper;import com.fallavi.api.user.exceptions.UserCanNotFindException;import com.fallavi.api.user.model.UserCreditEnoughModel;import com.fallavi.api.user.model.UserCreditModel;import com.fallavi.api.user.repository.UsersRepository;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.ApplicationContext;import org.springframework.context.annotation.AnnotationConfigApplicationContext;import org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler;import org.springframework.data.rest.webmvc.RepositoryRestController;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestHeader;import org.springframework.web.bind.annotation.RequestMapping;import java.util.List;@RepositoryRestController@RequestMapping("/user")public class UserCreditController {    @Autowired    private ReaderRepository readerRepository;    @Autowired    private UsersRepository usersRepository;    @Autowired    private PurchaseRepository purchaseRepository;    @GetMapping(            value = "/userHasCreditEnough/{reader_id}",            headers = "Content-Type=application/json")    public ResponseEntity<UserCreditEnoughModel> userHasCreditEnough(            @RequestHeader(value = "Authorization") String token,    }}

Answer 1

您应该创建一个接口作为您的服务层。然后将该接口注入控制器并在控制器的期望端点中调用期望方法。从那里从这个注入的接口调用你想要的植入。