17-18. Dependency scope and life cycle plug-ins

17、 A preliminary introduction to the scope of dependence

There are usually three values

compile Range dependence

Is it valid for the main program Yes

Whether to participate in packaging Participate in

Is it valid for the test program Yes

test

Is it valid for the main program nothing

Whether to participate in packaging No participation

Is it valid for the test program Yes

Example junit

provided

Is it valid for the main program Yes

Whether to participate in packaging No participation

Is it valid for the test program Yes

Participate in deployment ： no

Example

servletapi.jar

From the perspective of development stage ：

18、 Lifecycle plug-ins and goals

Three life cycles

1、clean

2、site

Build site

3、default

The most important

mvn compile

mvn package