shell 脚本编写 SpringBoot 项目启动器

用shell脚本制作一个java服务启动器
⚠️ 不足之处请多多包涵 ，转载请注明出处。

如果在运行中提示lsof命令不存在， 请使用yum install lsof命令安装

#! /bin/bash
## author: wzc
## e-mail: [email protected]
## This is a project launcher

# 启动/停止 超时时间 秒
WAIT_TIMEOUT=60
# 启动的项目数组
PROJECTS=(YOUR_JAR_1.jar YOUR_JAR_2.jar)
#jar 运行额外的参数
JAR_ARGS=""


function stop_project()
{
    if [ $1 == '全部' ] 
    then
        for P in ${PROJECTS[@]}
        do
            stop $P
        done
    else
        stop $1
    fi
}

function start_project()
{
    if [ $1 == '全部' ] 
    then
        for P in ${PROJECTS[@]}
        do
            start $P
        done
    else
        start $1
    fi
}

function service_pid()
{
    echo `ps -ef | grep $1 | grep "java -jar" | awk {'print $2'}`
}

function listen_port_pid()
{
    echo `lsof -p $1 | grep "$2"`
}


function stop()
{

    RESULT=`service_pid $1`
    if [[ -n $RESULT ]]
    then
        kill -15 $RESULT
        TIMEOUT=$(($WAIT_TIMEOUT * 10))
        while [ $TIMEOUT -gt 0 ] 
        do
            RESULT=`service_pid $1`
            W_IDX=$(($TIMEOUT % 4))
            printf "> 停止服务 [%s]......[%s]\r" $1 ${WAIT_CHARS[$W_IDX]}
            if [ -z $RESULT ] 
            then
                printf "> 停止服务成功 [%s]......[v]\n" $1
                return
            fi
            sleep 0.1s
            TIMEOUT=$(( $TIMEOUT - 1 ))
        done
        printf "> 停止服务超时 [%s]......[×]\n" $1
        return
    fi
    printf "> 服务未运行 [%s]......[!]\n" $1
}

function start()
{
    # 检查服务是否在运行
    RESULT=`service_pid $1`
    if [[ -n $RESULT ]]
    then
        printf "> 服务正在运行 [%s]......[!]\n" $1
        return
    fi
    nohup java -jar $JAR_ARGS $1 >/dev/null 2>&1 &
    TIMEOUT=$(($WAIT_TIMEOUT * 10))
    while [ $TIMEOUT -gt 0 ] 
    do
        W_IDX=$(($TIMEOUT % 4))
        printf "> 启动服务 [%s]......[%s]\r" $1 ${WAIT_CHARS[$W_IDX]}
        RESULT=`service_pid $1`
        if [[ -n $RESULT ]] 
        then
            LRESULT=`listen_port_pid ${RESULT[0]} $1`
        fi
        
        if [[ -n $LRESULT ]] 
        then
            printf "> 启动服务成功 [%s]......[v]\n" $1
            return
        fi
        sleep 0.1s
        TIMEOUT=$(( $TIMEOUT - 1 ))
    done
    printf "> 启动服务超时 [%s]......[x]\n" $1
}


WAIT_CHARS=('|' '/' '-' '\')
echo "**** 目标项目 ****"
echo '[0]全部'
for((i=0;i<${#PROJECTS[@]};i++));
do
    echo '['$((i+1))']'${PROJECTS[$i]}
done
echo ""
echo -n "请选择项目: "
read idx
echo ""
if [ $idx -gt ${#PROJECTS[@]} ] 
then
    echo " ❗️ 输入的项目无效[$idx]"
    exit
fi
if [ $idx == 0 ]
then
    NAME='全部'
else
    NAME=${PROJECTS[$((idx-1))]}
fi
echo "***** 执行的操作 *****"
echo "[1]启动 [$NAME]"
echo "[2]停止 [$NAME]"
echo "[3]重启 [$NAME]"
echo ""
echo -n "请选择对[$NAME]的操作: "
read OPS
echo ""
case $OPS in
    1)
    # 启动项目
    start_project $NAME
    ;;
    2)
    stop_project $NAME
    ;;
    3)
    stop_project $NAME
    start_project $NAME
    ;;
    *) echo " ❗️ 无效的操作"
    ;;
esac