Introduction to String class functions in standard C + +Look, it's not CString.The reason to discard char* strings and select the String class in the C + + standard library is because he compares with the former, doesn't have to worry about enough
C + + formatted output, C + + output format control in the output data, for the sake of simplicity, often do not specify the format of the output, by the system according to the type of data to take the default format, but sometimes you want the
The printf function is called the format output function, and the last letter F of its keyword is the meaning of format. The function is to display the specified data to the display screen according to the user-specified format. We have used this
The concept of C + + input and outputWe often use the input and output, are the end of the object, that is, from the keyboard input data, running results output to the monitor screen. From the operating system's point of view, each input connected
Turn from: http://chaozaiai.blog.163.com/blog/static/91328155201223181041376/
The Append function can add a string (or data string) to the back of a string
The Assign function can set the contents of a string (or data string) to a string
The AT
Function
Function prototypes
Description
constructor function
String (const char *s);
Class with C-style string S.
string (int N,char c);
Initialize with n characters c
Default
Input and output of C + + character arrayThe input and output of a character array can be two ways:1) input and output characters.
2 input or output the whole string one at a time. For example, the following program segments are available:
Summary of the usage of the string class in C ++, string Summary
I believe that my friends who have used MFC programming should be very impressed with the CString class? Indeed, the CString class in MFC is very convenient and easy to use. But if you
The string class provided in standard C + + is also very powerful and can generally be used when we develop projects. Now the specific use of a part of the list below, only to play a role in the bar, well, less nonsense, directly to the point of it.
Continue writing some string operations today.String gives us a lot of ways, but every time we use it, it's going to be a bit of a hassle.Scenario 1:Get a std::string Full_path = "D:\program files\csdn", but I want to get the "D:\program Files\vagaa"
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