C++错误点整理

string类型与int,float,double,long之间的转换

string 类型转换为数字

https://blog.csdn.net/michaelhan3/article/details/75667066

string a = "123.456";
stringstream ss;
double d;
ss<<a;
a>>d;

数字转换为string类型

x =123;
string strX =to_string(x)