VS2017C++windows桌面应用程序项目OpenCV及Boost库测试

#include <boost/lexical_cast.hpp> #include <iostream> using namespace std; int main() { using boost::lexical_cast; int a = lexical_cast<int>("123"); double b = lexical_cast<double>("123.0123456789"); string s0 = lexical_cast<string>(a); string s1 = lexical_cast<string>(b); cout << "number: " << a << " " << b << endl; cout << "string: " << s0 << " " << s1 << endl; int c = 0; try { c = lexical_cast<int>("abcd"); } catch (boost::bad_lexical_cast& e) { cout << e.what() << endl; } return 0; }