C++11中使用to_string()连接字符串和数字

头文件：

#include

void str_mani()
{
	string str1 = "birth:";
	int year = 2000;
	int mounth = 12;
	string str2 = ", ";
	string str3 = str1  + to_string(mounth) + str2 + to_string(year);
	cout << str3;

}