1 /************************************************************************* 2 > File Name: string.cpp 3 > Author: lukey 4 > Mail: lukey123@foxmail.com 5 > Created Time: Wed 10 Jun 2015 09:21:32 PM CST 6 ************************************************************************/ 7 8 #include<iostream> 9 //using namespace std; 10 11 int main(int argc, char* argv[]) 12 { 13 std::string str1 = "hello"; 14 std::string str2("world"); 15 std::cout << "str1:" << str1 << std::endl; 16 std::cout << "str2:" << str2 << std::endl; 17 std::string str3 = str1 + str2; 18 std::cout << "str3:" << str3 << std::endl; 19 std::string sub1 = str3.substr(0,5); 20 std::string sub2 = str3.substr(8,2); 21 std::string sub3 = str3.substr(8,8); 22 std::string sub4 = str3.substr(10,2); 23 std::cout << "sub1:" << sub1 << std::endl; 24 std::cout << "sub2:" << sub2 << std::endl; 25 std::cout << "sub3:" << sub3 << std::endl; 26 std::cout << "sub4:" << sub4 << std::endl; 27 28 29 return 0; 30 }