Maven IDEA项目生成

cmd java -version

https://maven.apache.org/download.cgi
apache-maven-3.5.2-bin.zip
bin目录配置到环境变量path中
cmd mvn -v

找到maven配置文件

apache-maven-3.8.2-binapache-maven-3.8.2confsettings.xml

3.1 更改本地仓库地址, 让maven自动下载的jar包放到此目录下

E:/apache-maven-3.8.2-bin/repository

3.2 下载镜像更改为国内阿里巴巴(下载快)

	
		alimaven
		aliyun maven
		http://maven.aliyun.com/nexus/content/groups/public/
		central        
	

https://www.jetbrains.com/idea/download/
Ultimate
ideaIU-2021.2.2.exe

1. 左侧选择Maven
2. 选择JDK
3. 勾选Create from archetype
4. 选中maven-archetype-webapp
5. Next

1. Name(项目名称)[project_001]
2. Location(项目路径)
3. GroupId(通常为公司名称)[com.lmy]
4. ArtifactId(通常为项目名称)[project]
5. Next

1. Maven home path 更改为手动安装的maven路径
2. User settings file 更改为已经修改过的配置文件(修改了本地仓库&jar下载镜像)
3. Local repository 本地仓库地址(自动下载的jar包的保存位置)
4. 注意勾选 Override
5. Finish

project/
project/pom.xml
project/src/main/java
project/src/main/resources
project/src/main/webapp
project/src/main/webapp/index.jsp
project/src/main/webapp/WEB-INF
project/src/main/webapp/WEB-INF/web.xml
project/src/test/java
project/src/test/resources
文件夹标记: 选中文件夹 - Mark Directory as
project/src/main/java[Resources Root]
project/src/main/resources[Sources Root]

project/src/main/java
project/src/main/java/com.lmy.test
project/src/main/java/com.lmy.test/Test.java

1. [界面]Run/Debug Configuration
2. 左侧选择加号
3. Tomcat Server - Local
4. Name(为此Tomcat命名)[Tomcat01]
5. Server - Application server: Tomcat安装路径
6. Deployment - 加号 - Artifact
7. OK