1.file->Project Structure
2.Artifacts->加號(hào)->JAR->From modules with dependencies...
3.在彈出的對(duì)話框中型雳，module選擇主函數(shù)
然后點(diǎn)Main Class右邊的三個(gè)點(diǎn)的按鈕
選擇main函數(shù)所在的類
此時(shí)Directory for META-INF/MANIFEST.MF字段被自動(dòng)填充，但填充錯(cuò)誤山害，需要去掉main/java(https://segmentfault.com/q/1010000006024331) 否則運(yùn)行時(shí)會(huì)提示沒有主清單屬性
4.勾選Include in project build,點(diǎn)擊ok
5.Build->Build Artifacts
6.在彈出的界面選擇build
7.構(gòu)建成功,輸入java -jar xxx.jar運(yùn)行
