怎样在PB中实现文件的拷贝与删除,可借助外部函数可用API函数实现: 1、文件拷贝 函数声明: FUNCTION boolean CopyFileA(ref string cfrom, ref string cto, boolean flag) LIBRARY "Kernel32.dll" 调用: string ls_source, ls_des boolean lb_flag, lb_rtn lb_flag = false ls_source = "c:book.xls" //源文件 ls_des = "C:tmp111.xls" //目标文件 lb_rtn = CopyFileA(ls_source, ls_des, lb_flag) MessageBox("文件拷贝", string(lb_rtn)) 2、删除文件 函数声明: FUNCTION boolean DeleteFileA(ref st...