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fstream、ifstream和ofstream文件流类的成员函数______关闭文件。

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ofstream ofile;ofile.open("C://vc//abc.txt",ios::binary);  fstream iofile;iofile.open("abc.txt",ios::ate);  ifstream ifile("C://vcXXabc.txt");  cout.open("C://vc//abc.txt",ios::binary);  
对象infile只能用于文件输入操作  对象outfile只能用于文件输出操作  对象iofile在文件关闭后,不能再打开另一个文件  对象iofile可以打开一个文件同时进行输入和输出  
ofstream ofile;ofilopen("C://vc//abtxt",ios::binar;  fstream iofile;iofilopen("abtxt",ios::at;  ifstream ifile("C://vcXXabtxt");  couopen("C://vc//abtxt",ios::binar;  
ofstream ofile;ofile.open("C://vc//a.txt",ios::binary);  fstream iofile;iofile.open("a.txt",ios::ate);  ifstream ifile("C://vc//a.txt");  cout.open("C://vc//s.txt",ios::binary);  
ofstream ofile;ofilopen("C://vc//txt",ios::binar;  fstream iofile;iofilopen("txt",ios::at;  ifstream ifile("C://vc//txt");  couopen("C://vc//txt",ios::binar;  
ofstream ofile;ofile.open("C:////vc//abc.txt",ios::binary);  fstream iofile;iofile.open("abc.txt",ios::ate);  ifstream ifile ("C://vc //abc.txt");  cout.open("C:////vc//abc.txt",ios::binary);  
ofstream ofile;ofilopen("C:////vc//abtxt",ios::binar;  fstream iofile;iofilopen("abtxt",ios::at;  ifstream ifile ("C://vc //abtxt");  couopen("C:////vc//abtxt",ios::binar;  
ofstream ofile; ofilopen("C://vc//abtxt",ios::binar;  fstream iofile; iofilopen("abtxt",ios::at;  ifstream ifile("C://vc//abtxt");  cout,open("C://vc//abtxt",ios::binar;  
ifstream fin; fin. open("d://test.txt", ios_base::in);  fstream fio; fio. open("d://test. txt”, ios_base::out);  ofstream fout; fout. open("d://test. txt”, ios_base::out);  ofstream fout; fout. open("d://test. txt”, ios_base::app);  
对象infile只能用于文件输入操作  对象outfile只能用于文件输出操作  对象iofile在文件关闭后,不能再打开另一个文件  对象iofile可以打开一个文件同时进行输入和输出  
ofstream ofile;ofile.open("C://vc/LabC.txt",ios::binary);  fstream iofile;iofile.open("abC.txt",ios::ate);  ifstream ifile("C://vc/abC.txt");  cout.open("C://vc/abC.txt",ios::binary);  
fstream fin(“A: abc.txt”);  ofstream fin (“A: abc.txt”);  ifstream fin(“A: abc.txt”,ios:: app);  ifstream fin(“A: abc.txt”,ios:: nocreate);  
ifstream fin;fin.open("d:/test.txt",ios_base::in);  fstream fio;fio.open("d:/test.txt",ios_base::out);  ofstream fout;fout.open("d:/test.txt",ios_base::out);  ofstream fout;fout.open("d./test.txt",ios_base::app);  
fstream fin(“A: abtxt”);  ofstream fin (“A: abtxt”);  ifstream fin(“A: abtxt”,ios:: ap;  ifstream fin(“A: abtxt”,ios:: nocreat;  
对象infile只能用于文件输入操作  对象outfile只能用于文件输出操作  对象iofile在文件关闭后,不能再打开另一个文件  对象iofile可以打开一个文件同时进行输入和输出  
ofstream ofile;ofilopen("C://vc/Labtxt",ios::binar;  fstream iofile;iofilopen("abtxt",ios::at;  ifstream ifile("C://vc/abtxt");  couopen("C://vc/abtxt",ios::binar;  
ofstream ofile; ofile.open("C://vc//abc.txt",ios: :binary);  fstream iofile; iofile.open("abc.txt",ios::ate);  ifstream ifile("C://vc//abc.txt");  cout.open("C://vc//abc.txt",ios: :binary);  

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