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start.sh
executable file
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start.sh
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#!/bin/sh
##java env
export JAVA_HOME=/jdk1.8.0_211
export JRE_HOME=$JAVA_HOME/jre
API_NAME=./SimpleDubbo-rpc/target/
JAR_NAME=$API_NAME\*.jar
#PID
PID=$API_NAME\.pid
#提示用户输入
usage() {
echo "Usage: sh start.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 $2}'`
#如果不催在返回1,存在反回0
if [ -z "${pid}" ]; then
return 1
else
return 0
fi
}
#启动程序
start() {
echo $JAR_NAME
is_exist
if [ $? -eq "0" ]; then
echo ">>> ${JAVA_HOME} is already running PID=${pid} <<<"
else
#nohup $JRE_HOME/bin/java -Xms256m -Xmx51m -jar $JAR_NAME >/dev/null 2>&1 &
nohup $JRE_HOME/bin/java -Xms256m -Xmx510m -jar $JAR_NAME
echo &! > $PID
echo ">> start $JAR_NAME successful PID=$! <<"
fi
}
#挺直方法
stop() {
#判断有没有这个服务
pidf=$(cat $PID)
#echo "$pidf"
echo ">> api PID = $pidf begin kill $pidf <<"
kill $pidf
rm -rf $PID
sleep 2
#判断
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