问Spring JPA - entitymanagerfactory找不到，为什么？

EN

Description:
Field userRepository in com.fitness.api.controller.UserController required a bean named 'entityManagerFactory' that could not be found.

Action:
Consider defining a bean named 'entityManagerFactory' in your configuration.

@EnableJpaRepositories("com.test.api.repository")
@SpringBootApplication
public class ApiApplication {

    public static void main(String[] args) {
        SpringApplication.run(ApiApplication.class, args);
    }
}

spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration

## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
# MySQL properties
spring.datasource.url = jdbc:mysql://localhost:3306/test?useSSL=false
spring.datasource.username = root
spring.datasource.password = 1234

## Hibernate Properties
# The SQL dialect makes Hibernate generate better SQL for the chosen database
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5InnoDBDialect

# Hibernate ddl auto (create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto = update

buildscript {
    ext {
        springBootVersion = '2.1.0.RELEASE'
    }
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
    }
}

@Entity
@Table(name = "user")
@EntityListeners(AuditingEntityListener.class)
@JsonIgnoreProperties(value = {"createdAt", "updatedAt"},
        allowGetters = true)
public class User implements Serializable {
}