遍历读取流中的所有数据\Project2.cfg ......................\Project2.dof ......................\Project2.dpr ......................\Project2.exe ......................\Project2.res ......................\test.txt ......................\Unit1.dcu ......................\Unit1.dfm ......................\Unit1.pas ......................\Unit1.~dfm ......................\Unit1.~pas 遍历读取流中的所有数据