time=$(date "+%Y-%m-%d_%H:%M:%S")
zipfilename="存储压缩包名字_"$time".tar.gz"
storagepath="压缩包存放目录"
zippath="压缩的目录文件等"
tar -zcvf ${storagepath}/${zipfilename} -C $zippath .
deleteBakDay=8 # 保留多少天的记录
find $storagepath -name "存储压缩包名字_*.tar.gz" -type f -mtime +${deleteBakDay} -exec rm -rf {} \; > /dev/null 2>&1