void Reserve: : Add ()//reservation 
{

Ofstream ofs (" d: \ \ hotel system. TXT ", the ios: : out | ios: : app); 
If (ofs. Is_open ()) 
{
Reserve e; 
Cout & lt; <"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --" & lt; Cout & lt; <"Please enter the reservation number:" & lt; Int addnum=0; 
Cin & gt;> Addnum; 


Cout & lt; <"Please input the name of the inhabitants, id number, check-in date, ordered room:" & lt; For (int j=0; J & lt; Addnum; J++) 
{
Cin & gt;> e; 

Ofs & lt; } 
Ofs. Close (); 
} 

Void Reserve: : show ()//check reservation record 
{
Fstream fd (" d: \ \ Hotel system. TXT ", the ios: : in); 
Int ch;//define a character 
Ch=fd. The get ();//a character read from the file 
If (EOF) ch==//if didn't read a single character, said the file is empty 
{
Cout & lt; <"The blank file, can't read!" } 
The else 
{
Cout & lt; <"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --" & lt; Cout & lt; Int n=0; String STR. 
Reserve * e=new Reserve [50]; 

While (getline (fd, STR)) 
{

Cout & lt; <""; 
Cout} 

Fd. The close (); 
} 
} 

Above is for input and output of the code, the folder class set about to pay, please comment, thank you!!!!!

CodePudding user response:

File may not be a blank, or have BOM,
To create a completely blank 0 bytes of file try,