Example of Maven project building spring boot + spring MVC + JPA

This paper introduces the example of Maven project building spring boot + spring MVC + JPA, which is shared with you as follows:

Add spring boot support and introduce related packages:

1. Maven project, no less POM For the introduction of XML and spring boot, please refer to the official website:

2. The above code introduces spring boot. Spring MVC and JPA, and the driver jar of MySQL database;

Write a startup class and add a configuration file:

1. The startup classes are as follows:

2. The location of the configuration file is placed outside the classpath to facilitate modification without repackaging. Spring boot projects are generally packaged into jar packages:

Put the configuration file in the config folder of the same level directory of the jar package, including log configuration, application YML files, other configuration files, etc;

Writing auto configuration classes

Used to scan compan * instead of spring MVC XML configuration file:

Write RS, service, repository

The above adopts the layered mode, which is a little cumbersome, but it is convenient to modify the business logic of each layer later

JPA related classes are as follows:

Entity class: related to database fields. Note the annotation @ mappedsuperclass in the lower parent class

Profile:

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.