First of all, Eclipse needs to install the Maven plug-in. Use MyEclipse to install the Maven plug-in. There are some problems with the built Maven project. First, when publishing tomcat, resources are never published to tomcat; second, after changing the classes under WEB-INF to the classes under target, I don’t know why MyEclipse still generates classes under WEB-INF. Either it is true that WEB-INF no longer generates classes, but when publishing tomcat, none of the class files will be released to you, which is super frustrating. But after using Eclipse to build the Maven project, there is no problem opening it using MyEclipse.

The benefits of using maven: I feel that the most important thing is to automatically download the jar package and the packages it depends on. This can ensure the problem of different jar versions when multiple people develop. Then there is the clear file structure, java files, resource files, and test files are all clearly divided.

This document will introduce two methods: first, the method of directly establishing a Maven project; second, the method of establishing a Dynamic Web project and converting it into a Maven project. Friends in need can download and take a look