proc odstable data=aaa contents="hello world";justify=on just=l;
        define header myheader1;
         text "Use the CELLSTYLE-AS Statement to Customize Output";
         style={color=red just=l};
     end;
        cellstyle _row_ = 1 && _col_ = 1 as {BackgroundColor=red },
        _row_ = 1 && _col_ = 2 as {BackgroundColor=blue },
        _row_ = 1 && _col_ = 3 as {BackgroundColor=green },
        _datatype_ = "num" as {color=red},
        _datatype_ = "char" as {color=blue};
        run;

采用新的方式合并单元格

有兴趣的可以了解下