Spring Boot应用中如何动态指定数据库实现不同用户不同数据库的问题

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "product")
public class Product {
    @Id
    private Long id;
    private String name;
    private double price;
}

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface ProductRepository extends JpaRepository<Product, Long> {
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class ProductService {
    private final ProductRepository productRepository;
    @Autowired
    public ProductService(ProductRepository productRepository) {
        this.productRepository = productRepository;
    }
    public List<Product> getAllProducts() {
        return productRepository.findAll();
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
@RequestMapping("/api/products")
public class ProductController {
    private final ProductService productService;
    @Autowired
    public ProductController(ProductService productService) {
        this.productService = productService;
    }
    @GetMapping
    public List<Product> getAllProducts() {
        return productService.getAllProducts();
    }
}

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;
@Configuration
public class DynamicSchemaConfig {
    @Value("${custom.schema.name}")
    private String customSchemaName;
    @Bean
    public DataSource dataSource() {
        String dataSourceUrl = "jdbc:mysql://localhost:3306/" + customSchemaName;
        return DataSourceBuilder.create().url(dataSourceUrl).build();
    }
}

java -jar -Dcustom.schema.name=my_dynamic_schema your-application.jar