#include <iostream> #include <string> using namespace std; int main() { int a = 56; double b = 65.123; string str = ""; //头文件是sstream std::ostringstream oss; oss << a << "---" << b; str = oss.str(); cout << str << endl; return 0; }
输出是56---65.123
C++ 通过ostringstream 实现任意类型转string
原文：http://www.cnblogs.com/simplepaul/p/7698410.html