char 轉 string
- const char c = ‘a’;string s;s.push_back(c);
char[ ] 轉 string
char* 轉 string
-
char* p = "hello world", string str = p
string 轉 char[ ]
string 轉 char*
- string str = ”hello world“,const char* p = str.c_str()
char 轉 int
- ascii碼字符,如‘1’,可用‘1’-‘0’轉化爲整數
string 轉 int
string str = "123"; int num = atoi(str.c_str());
int 轉 char
int 轉 string
# include<sstream>
# include<fstream>
string num = std::to_string(123)