int to string
1.
int n = 65535;
char t[256];
string s;
//先做到char[]的转换,而后再转为string
sprintf(t, "%d", n);
s = t;
2.
int n = 65535;
stringstream ss;
string s;
ss << n;
ss >> s;
cout << s << endl;
//使用时记得添加头文件 #include<sstream>