一级标题 STL案例vector容器,map容器综合题目
案例描述
公司招聘十个员工(ABCDEFGHIJ),十名员工进入公司之后,需要指派员工在哪个部门工作。
员工信息有:姓名 公资组成 ;部门分为:策划,美术,研发。
随机给十名员工分配部门和工资。
通过multimap进行信息的插入 key(部门编号)value(员工)。
分部门显示员工信息
实现步骤
创造十名员工,放到vector中
遍历vector容器,取出每个员工,进行随机分配
分组后,将员工部门编号作为key,具体员工作为value,放到multimap容器中
分部门显示员工信息
#include<iostream>
using namespace std;
#include<vector>
#include<string>
#include<map>
#include<ctime>
#define CEHUA 0
#define MEISHU 1
#define YANFA 2
class Worker
{
public:
string m_Nmae;
int m_Salary;
};
//创建员工
void creatWorker(vector<Worker>& v)
{
string nameSeed = "ABCDEFGHIJ";
for (int i = 0; i < 10; i++)
{
Worker worker;
worker.m_Nmae = "员工";
worker.m_Nmae += nameSeed[i];
worker.m_Salary = rand() % 10000 + 10000;
v.push_back(worker);
}
}
// 2.分组
void setGroup(vector<Worker>&v,multimap<int,Worker>&m)
{
for (vector<Worker>::iterator it = v.begin(); it != v.end(); it++)
{
int deptid = rand() % 3;//0,1,2
//将员工查到分组中
//key 部门编号,value 具体值
m.insert(make_pair(deptid, *it));
}
}
//3.分组显示员工
void showWorkerByGroup(multimap<int, Worker>& m)
{
//0 A B C 1 D E 2 F G
cout << "策划部门:" << endl;
int count = m.count(CEHUA);//统计具体人数
multimap<int, Worker>::iterator pos=m.find(CEHUA);
int index = 0;
for (; pos != m.end() && index < count; pos++, index++)
{
cout << "姓名:" << pos->second.m_Nmae << " 工资: " << pos->second.m_Salary << endl;
}
cout << "-------------------" << endl;
cout << "美术部门:" << endl;
pos = m.find(MEISHU);
count = m.count(MEISHU);//统计具体人数
index = 0;
for (; pos != m.end() && index < count; pos++, index++)
{
cout << "姓名:" << pos->second.m_Nmae << " 工资: " << pos->second.m_Salary << endl;
}
cout << "-------------------" << endl;
cout << "研发部门:" << endl;
pos = m.find(YANFA);
count = m.count(YANFA);//统计具体人数
index = 0;
for (; pos != m.end() && index < count; pos++, index++)
{
cout << "姓名:" << pos->second.m_Nmae << " 工资: " << pos->second.m_Salary << endl;
}
}
int main()
{
srand((unsigned int)time(NULL));
//创建员工
vector<Worker>vWorker;
creatWorker(vWorker);
//测试代码
/*for (vector<Worker>::iterator it = vWorker.begin(); it != vWorker.end(); it++)
{
cout << "姓名:" << it->m_Nmae << " 工资:" << it->m_Salary << endl;
}*/
// 2.分组
multimap<int, Worker>mWorker;
setGroup(vWorker, mWorker);
//3.分组显示员工
showWorkerByGroup(mWorker);
system("pause");
return 0;
}