stoi() 和atoi() 函数将字符串转化为int型
区别是stoi的形参是const string*，而atoi的形参是const char*。c_str()的作用是将const string*转化为const char*
来自 <https://blog.csdn.net/Sarah_212/article/details/116720933>
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string s1("1234567"); char* s2 = "1234567";
int a = stoi(s1); int b = atoi(s2); int c = atoi(s1.c_str()); cout << a << endl; cout << b << endl; cout << c << endl; |
标签：const,cout,int,char,atoi,stoi From： https://www.cnblogs.com/libxing/p/16640929.html