C++ 提高教程 STL-string字串

# include<iostream>
# include<string>
using namespace std;

void test01()
{
	string str1 = "Hello";
	string subStr = str1.substr(1, 3);
	cout << "subStr:" << subStr << endl;

}

void test02()
{
	string email = "Zhangsan@sina.com";
	int pose = email.find("@");
	string subStr = email.substr(0, pose);
	cout << "subStr:" << subStr << endl;

}
int main()
{
	test02();
	system("pause");
	return 0;
}