集成mybatis后启动报错,mapper找不到的解决方法

错误日志

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 【main】【ConditionEvaluationReportLoggingListener:136】
2022-07-12 01:17:34.737 ERROR 

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APPLICATION FAILED TO START
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Description:

Field courseMapper in com.koukay.student.service.impl.CourseServiceImpl required a bean of type 'com.koukay.student.mapper.CourseMapper' that could not be found.

The injection point has the following annotations:
    - @org.springframework.beans.factory.annotation.Autowired(required=true)


Action:

Consider defining a bean of type 'com.koukay.student.mapper.CourseMapper' in your configuration.
 【main】【LoggingFailureAnalysisReporter:40】
Disconnected from the target VM, address: '127.0.0.1:12101', transport: 'socket'

 

解决方案

加@MapperScan注解,并指定对应的mapper包

@SpringBootApplication
@EnableDiscoveryClient
@EnableFeignClients
@MapperScan("com.koukay.student.mapper")
public class StudentApplication {
    public static void main(String[] args) {
        SpringApplication.run(StudentApplication.class, args);
    }
}