如何在Spring Boot中自动编写NamedParameterJdbcTemplate

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>

spring.datasource.url=jdbc:mysql://localhost:3306/mydatabase
spring.datasource.username=root
spring.datasource.password=123456

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 DataSourceConfig {

    @Bean
    public DataSource dataSource() {
        return DataSourceBuilder.create()
                .url("jdbc:mysql://localhost:3306/mydatabase")
                .username("root")
                .password("123456")
                .build();
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import javax.sql.DataSource;

@Configuration
public class JdbcTemplateConfig {

    @Autowired
    private DataSource dataSource;

    @Bean
    public NamedParameterJdbcTemplate namedParameterJdbcTemplate() {
        return new NamedParameterJdbcTemplate(dataSource);
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.HashMap;
import java.util.Map;

@Repository
public class UserRepository {

    @Autowired
    private NamedParameterJdbcTemplate namedParameterJdbcTemplate;

    public void updateUser(String username, String email) {
        String sql = "UPDATE users SET email = :email WHERE username = :username";
        Map<String, Object> params = new HashMap<>();
        params.put("username", username);
        params.put("email", email);
        namedParameterJdbcTemplate.update(sql, params);
    }
}