举例work数据集里有t1 t2 t3三个数据集批量导出到D盘为lb1 lb2 lb3 txt文件，程序如下
%macro test;
%do i=1 %to 3;
data lb&i;
set t&i;
run;
proc export data= lb&i
outfile="d:\lb&i..txt"
dbms=''
replace;
run;
%end;
%mend;
%test;

谢谢了