Jar package and war package

java The project can be marked as jar Packages or war package , Previously, the front and rear ends were not separated , It is generally achieved war package , Now separate the front and rear end items , It's usually made into jar package , It seems that it's because war The package contains front-end static resources ,jar The package does not contain . Of course, the front and rear end separation items are marked as war The bag can also .
summary ：

1. ssm project

• Fore and aft end separation ： hit war package （ Because there is no built-in tomcat）
• The front and rear ends do not separate ： hit war package （ Because there is no built-in tomcat, And the front-end static resources are not separated from the back-end ）

2. springboot project

• Fore and aft end separation ： hit jar Bao He war Any bag will do , It's all fighting now jar package （ hit war The package needs to be configured , Get rid of springboot Built in tomcat etc. ）
• The front and rear ends do not separate ： hit war package （ Because static resources are on the back end , But configuration is required , Get rid of springboot Built in tomcat etc. ）.