stringstream
时间: 2024-01-21 16:54:05 浏览: 59
stringstream is a class in the C++ Standard Template Library (STL) that allows the manipulation of strings in a stream-like fashion. It is a part of the <sstream> header file and provides a way to perform input/output operations on strings.
stringstream works by creating an object of the stringstream class and then using its member functions to perform operations on the string. These operations include inserting data into the stream, extracting data from the stream, and manipulating the contents of the stream.
Some of the commonly used member functions of stringstream are:
- str(): returns the string associated with the stream
- clear(): clears any error flags associated with the stream
- << and >> operators: used for insertion and extraction of data from the stream
stringstream is widely used in C++ programming to convert data from one format to another, especially when dealing with input/output operations. It is also useful in parsing strings and processing data in a stream-like fashion.