How to package a maven multi-module project

You can use the following command to build a Maven aggregated project:

1. Open the command prompt window and navigate to the root directory of the aggregate project.
2. Execute the following command:
3. Build the project using Maven, cleaning any previous build artifacts before packaging it.
4. This will execute the packaging operation for all the sub-projects under the aggregate project and generate the corresponding jar or war files.
5. In the command line window, search for the output build information to view the packaging results of each subproject.
6. Summary of my-aggregate-project 1.0:
   – my-aggregate-project: SUCCESS [0.100 sec]
   – my-subproject1: SUCCESS [1.234 sec]
   – my-subproject2: SUCCESS [1.567 sec]
   Total time taken: 2.123 seconds
   Completed on: 2021-01-01 at 00:00:00 GMT
7. The packaging results of each subproject can be found in the directory of the aggregate project. The specific location can be adjusted through the configuration file of the subproject or the configuration of the Maven plugin.

Please note that the packaging process for the aggregate project will apply to all sub-projects, so please ensure that all sub-projects are properly configured and can be successfully packaged before executing this operation.