遍历文件夹和文件1\SCAN.BMP .................\TREE.BMP .................\TREE.cfg .................\TREE.dof .................\TREE.DPR .................\TREE.EXE .................\TREE.RES .................\Unit1.dcu .................\Unit1.ddp .................\Unit1.dfm .................\Unit1.pas .................\Unit2.dcu .................\Unit2.ddp .................\Unit2.dfm .................\Unit2.pas 遍历文件夹和文件1