C++ 提高教程 STL -string字符串拼接

Posted 2021-10-31 行码阁119

 

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

//string字符串拼接
void test01()
{
	string str1 = "我";
	str1 += "爱玩游戏";
	cout << str1<< endl;
	str1 += ":";
	cout << "str1 =" << str1 << endl;
	string str2 = "LOL DNF";
	str1 += str2;
	cout << "str1 =" << str1 << endl;


	string str3 = "I";
	str3.append(" Love");
	str3.append(" Game abcde",5);
	cout << "str3 =" << str3 << endl;
	str3.append(str2);
	cout << "str3 =" << str3 << endl;
	str3.append(str2,4,3);
	cout << "str3 =" << str3 << endl;


}

int main()
{
	test01();
	system("pause");
	return 0;
}