Istringstream: string stream, which is similar to string truncation. put, str () in the string stream converts the stream into a string.

Istringstream: string stream, which is similar to string truncation. put, str () in the string stream converts the stream into a string.
Zookeeper

1. istringstream string stream

# Include

# Include

# Include

Usingnamespacestd;

StructMyStruct

{

Stringstr1, str2, str3;

Doubledb;

Intnum;

Charch;

};

Voidmain ()

{

String mystring ("china google microsoft 12.9 123 ");

MyStructstruct1;

Istringstreaminput (mystring); // create a string scan stream

Input> struct1.str1> struct1.str2> struct1.str3> struct1.db> struct1.num> struct1.ch;

Cout <

Cout <

Cout <

Cout <

Cout <

Cout <

Cin. get ();

}

2. Implement functions similar to string Truncation

# Include

# Include

# Include

Usingnamespacestd;

// Implement functions similar to string Truncation

Voidmain ()

{

Charmystring [50] = "china #123 # ";

For (char * p = mystring; * p! = '\ 0'; p ++)

{

If (* p = '#')

{

* P = '';

}

}

Istringstreaminput (mystring); // create a string scan stream

Stringstr;

Intnum;

Charch;

Input> str> num> ch;

Cout <

Cout <

Cout <

Cin. get ();

}

Running result:

3. Implement functions similar to string Truncation

# Include

# Include

# Include

Usingnamespacestd;

// Implement functions similar to string Truncation

Voidmain ()

{

Ostringstream MYOUT;

Charstr [100] = {0 };

// Ostringstream MYOUT (str, sizeof (str ));

Charstr1 [50] = "a1234567b ";

MYOUT <"a1234b" <"" <123 <"" <234.89 <"" <'H' <"" <

Cout <

// Cout <

Cin. get ();

}

The running result is as follows:

4. put in the string stream

# Define_CRT_SECURE_NO_WARNINGS

# Include

# Include

# Include

# Include

Usingnamespacestd;

Voidmain ()

{

Stringstreammystr; // string for Input

Mystr. put ('x'). put ('y'); // a string of characters.

Mystr <"ZXCV"; // string Input

Cout <

Stringstr = mystr. str (); // defines the string accept Value

Charch; // read one character from the character string

Mystr> ch;

Cout <"\ n ";

Cout. put (ch );

Cout <"\ n ";

Cout <

Std: cin. get ();

System ("pause ");

}

Running result

5. str () converts a stream into a string <喎?http: www.bkjia.com kf ware vc " target="_blank" class="keylink"> Vcd4kcjxwiggfsawdupq = "left"> # define_CRT_SECURE_NO_WARNINGS

# Include

# Include

# Include

# Include

Usingnamespacestd;

Voidmain ()

{

Stringstreammystr; // sprintf Function

Charcmd1 [30] = {0 };

Charcmd2 [30] = {0 };

Cin. getline (cmd1, 30). getline (cmd2, 30); // enter two strings

Mystr <

Stringstr = mystr. str (); // defines the string accept Value

System (str. c_str ());

Charcstr [50] = {0}; // default string

Strcpy (cstr, str. c_str ());

Cout <

For (char * p = cstr; * p! = '\ 0'; p ++)

{

If (* p = '&')

{

* P = '';

}

}

Charnewcmd1 [30] = {0 };

Charnewcmd2 [30] = {0 };

Stringstream newstr (cstr); // functions of sscanf

Newstr> newcmd1> newcmd2;

Cout <

System ("pause ");

}