list容器排序案例

案例描述:将Perspn自定义数据类型进行排序，Person中属性有姓名、年龄、身高
排序规则:按照年龄进行升序，如果年龄相同按照身高进行降序

代码示例

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;

class  person 
{
public:
	person(string name, int age, int height)
	{
		this->name = name;
		this->age = age;
		this->height = height;
	}
	int age;
	string name;
	int height;
};


bool  comparePerson(person &p1,person &p2)
{
	//按照年龄进行升序
	if (p1.age == p2.age)
	{
		//如果年龄相同按照身高进行降序
		return p1.height > p2.height;
	}
	else
	{
		return p1.age < p2.age;
	}
}

void print(list& p)
{
	for (list::iterator it = p.begin(); it != p.end(); it++)
	{
		cout << "姓名: " << it->name << " 年龄: " << it->age << " 身高: " << it->height << endl;
	}
}
int main()
{
	person p1("赵信", 85, 166);
	person p2("盖伦", 67, 157);
	person p3("天海", 67, 186);
	person p4("斯沃特", 26, 130);
	person p5("安其拉", 18, 210);
	person p6("猴子", 2, 60);
	
	list Plist = {p1,p2,p3,p4,p5,p6};
	
	cout<< "排序前: "<< endl;
	print(Plist);
	Plist.sort(comparePerson);
	cout<< "-------------------"<< endl;
	cout<< "排序后: "<< endl;
	print(Plist);

	return 0;
}

编译运行