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How to carry out springboot+mybatis-plus+maven multi-module injection, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

Mainly make use of the attribute scanBasePackages in springboot's annotation @ SpringBootApplication

Now there is a general module common with @ Service and other annotations. If you want to inject @ Service of common module under another module project, add @ SpringBootApplication (scanBasePackages = "com.example.**") to the startup class ProjectApplication in module project. Here the package name com.example.** requires that both modules contain com.example and wildcard characters are used with two * signs, so that you can use your own module annotation in project module.

In addition, our project uses mybatis-plus. In the mapper scan annotation in the configuration class of mybatis-plus, it is written as follows: @ MapperScan (value = "com.example.**.mapper"). I put the configuration class of mybatis-plus under the common module. Of course, I can also put it under the project module, but in the springboot multi-module mode, you need to write the configuration class of mybatis-plus under each module. According to this unified writing method, you can scan the mapper classes under both common and project modules at the same time.

In addition, change mybatis-plus.mapper-locations = classpath:/mapper/*Mapper.xml to mybatis-plus.mapper-locations = classpath*:/mapper/*Mapper.xml in the configuration

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