启动Java 程序脚本版本二

不念不忘少年蓝@ 2023-10-05 13:22 17阅读 0赞

> 启动jar包程序

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#!/bin/sh
    ## java env
    export JRE_HOME=$JAVA_HOME/jre
    
    API_NAME=newsconsumer-0.0.1-SNAPSHOT
    JAR_NAME=./$API_NAME\.jar
    #PID  代表是PID文件
    PID=$API_NAME\.pid
    
    # Java 虚拟机启动参数
    JAVA_OPTS="-Xms200m -Xmx200m"
    
    #使用说明，用来提示输入参数
    usage() {
        
        echo "Usage: sh 执行脚本.sh [start|stop|restart|status]"
        exit 1
    }
    
    #检查程序是否在运行
    is_exist(){
        
      pid=`ps -ef|grep $JAR_NAME|grep -v grep|awk '{print $2}' `
      #如果不存在返回1，存在返回0
      if [ -z "${pid}" ]; then
       return 1
      else
        return 0
      fi
    }
    
    #启动方法
    start(){
        
      is_exist
      if [ $? -eq "0" ]; then
        echo ">>> ${JAR_NAME} is already running PID=${pid} <<<"
      else
        nohup $JRE_HOME/bin/java $JAVA_OPTS -jar $JAR_NAME >start.log 2>&1 &
        echo $! > $PID
        echo ">>> start $JAR_NAME successed PID=$! <<<"
       fi
      }
    
    #停止方法
    stop(){
        
      #is_exist
      pidf=$(cat $PID)
      #echo "$pidf"
      echo ">>> api PID = $pidf begin kill $pidf <<<"
      kill $pidf
      rm -rf $PID
      sleep 2
      is_exist
      if [ $? -eq "0" ]; then
        echo ">>> api 2 PID = $pid begin kill -9 $pid  <<<"
        kill -9  $pid
        sleep 2
        echo ">>> $JAR_NAME process stopped <<<"
      else
        echo ">>> ${JAR_NAME} is not running <<<"
      fi
    }
    
    #输出运行状态
    status(){
        
      is_exist
      if [ $? -eq "0" ]; then
        echo ">>> ${JAR_NAME} is running PID is ${pid} <<<"
      else
        echo ">>> ${JAR_NAME} is not running <<<"
      fi
    }
    
    #重启
    restart(){
        
      stop
      start
    }
    
    #根据输入参数，选择执行对应方法，不输入则执行使用说明
    case "$1" in
      "start")
        start
        ;;
      "stop")
        stop
        ;;
      "status")
        status
        ;;
      "restart")
        restart
        ;;
      *)
        usage
        ;;
    esac
    exit 0

> 启动class编辑程序

[启动Java 程序脚本 版本一][Java _]

[Java _]: https://javapub.blog.csdn.net/article/details/91820355?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522160490456919195264727688%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=160490456919195264727688&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v2~rank_blog_default-1-91820355.pc_v2_rank_blog_default&utm_term=%E8%84%9A%E6%9C%AC&spm=1018.2118.3001.4450