linux bash:

    YOUR_LIB=your_path

    for jar in `ls $YOUR_LIB/*.jar`

    do

    CLASSPATH="$CLASSPATH:""$jar"

    done

    windows :

    SETLOCAL ENABLEDELAYEDEXPANSION

    set LIB=xx

    set CLASSPATH=.

    FOR %%C IN （LIB*.jar） DO set CLASSPATH=!CLASSPATH!;%%C

    echo %CLASSPATH%