dataCenterPath=~/data_center
function fetch()
{
  for file in ${dataCenterPath}/jars/*.jar
  do
  if [ -f "$file" ]
  then 
    fileName=${file##*/}
     ossutil cp -f $file oss://ztupload/stage/dataCenter/backEnd/$fileName &
    echo file: $fileName
  fi
  done
}

fetch