最详尽的C++字串string类型使用说明书(The most detailed C++ string, string type, manual).docVIP

最详尽的C++字串string类型使用说明书(The most detailed C++ string, string type, manual).doc

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最详尽的C字串string类型使用说明书(ThemostdetailedCstring,stringtype,manual)

最详尽的C++字串string类型使用说明书(The most detailed C++ string, string type, manual) C++ string string instruction manual In c++, to use string, you need to add the following two declarations to the file header: #include Using namespace std; The traditional C string uses\0as the end character, and the c++ string string does not use this method to process strings The c++ string prototype is as follows Typedef basic_string string; Typedef basic_string wstring; / / wide character To use the string header file, the basic_string version class is generally referred to as the basic string class String declaration String s; empty string, string () String s= ; empty string String s= String; string containing String String s (String); string containing String, string (char*) String s (5,A); the string AAAAA, string (int, char) that contains 5 A strings String s=r; R is the string string; copies a string of R as a string; string (const, string) String s (R, 2,4); R is the string string; the 4 characters that start the replication r[2] are strings; string (const, string, int, int) String s (r.begin () +2, r.end ()); R is the string string, copy r[0+2], start to end character as string, string (const, string, string:: iterator, string:: iterator) String s (r+2,4); R is the traditional string; the char position of r+2 begins with 4 characters as strings; string (char*, int) You cannot use single characters and numbers to initialize, for example: String s=A; String s=20; String iterator String:: iterator iter; String:: iterator is defined in the common area of string, the role of ITER as a general index to use +, -, + +, - to change the character, can also be used to remove * character value If the string is a string of constant numbers, you can use string:: const_iterator, like the constant property, and cannot be modified String class function String:: iterator begin () returns the beginning position String:: iterator end () the end of the return position Int size () return string length I

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