Command lineSome Ussful tips
# can delete a sub-string from the very beginning , like var=apple; echo ${var#app}, which will print le.
#, delete a few things as posible
##, (greedy)delete a more t...
基本操作each project should have a pom.xml that is the setting of maven.Add dependency.
1234567<dependencies> <dependency> <groupId>groupId</groupId> <artifactId>arti...