spring_demo/mybatis_train/src/test/java/Test2.java

import com.mapper.AccountMapper;
import com.service.impl.AccountServiceImpl;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test2 {
    @Test
    public void testDemo() {
//        ClassPathXmlApplicationContext classPathXmlApplicationContext =
//                new ClassPathXmlApplicationContext("SpringConfig.xml");
        AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext();
        annotationConfigApplicationContext.scan("com");
        annotationConfigApplicationContext.refresh();
        AccountServiceImpl bean = annotationConfigApplicationContext.getBean(AccountServiceImpl.class);
    }
}