c++ 各种类型转换
1、int 2 string
法1:c++11里面的to_string
#include <string> std::string s = std::to_string(42); //or auto s = std::to_string(42);
法2:
#include <sstream> int a = 10; stringstream ss; ss << a; string str = ss.str();
2 string 2 int
atoi(str.c_str()) //or std::stoi(str)
https://www.cnblogs.com/gaobw/p/7070622.html