新建Project
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填写包名和项目名称
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勾选自动导入,其他默认
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点击Finish 完成
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打开根目录下的build.gradle
填写需要用到的库,idea会下载并导入,完成
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如何用IDEA生成可以运行的jar包
鼠标右键
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添加Artifacts
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添加jar
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Moudle选带_main 的那个
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找到你的Main Class
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确保META-INFO在工程的根目录
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检查一下,没问题之后,点击OK
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编译jar包
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生成的jar包的位置
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如何执行jar
java -jar demo.jar
如何让jar在后台运行
nohup java -jar demo.jar &
如何停止后台运行的的jar
#查找正在运行的进程
ps -aux|grep java
最前面的数字表示,进程号(PID)
root 2544 0.6 22.3 409772 58704 pts/1 Sl 19:04 0:05 java -jar /JoinServer_main.jar
root 2633 0.0 0.6 5600 1640 pts/2 S+ 19:20 0:00 grep java
# kill 进程号
kill -9 2544
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