idea打jar包

1.右击项目->Open Module Settings 

2.选择Artifacts->+->Jar->From modules from dependencies

3.设置META-INF/MANIFEST

4.勾选选项，Include in project build 和 show content of elements

5.Build->Build Artifacts

6.road.jar->build jar

7.去刚刚打到jar包的目录下（output directory）找到jar包执行

8.执行jar包

java -XX:NewSize=10485760 -XX:MaxNewSize=10485760 -XX:InitialHeapSize=20971520 -XX:MaxHeapSize=20971520 -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=15 -XX:PretenureSizeThreshold=10485760 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:gc.log -jar road.jar 

idea打jar包

原文：https://www.cnblogs.com/ITyannic/p/11768915.html