About the directory structure of the web application

The web application we make will finally be packaged as a war package and placed in the webapps directory of the tomcat server, so that it can be accessed on the network

webapps
|->oa project

    |->....
    |->crm project
     
        |->classes
      |->lib
     

      |->Put web resources (.html, .jsp, etc.)

classes put the compiled class file of the java code in your java directory and the configuration file under resources, the dependencies configured in pom.xml will be loaded into lib for the code in classes to call, and the webapp directory in ideaEverything will be packaged into the crmweb project directory.