员工分组案例

/*

• 公司今天招聘了10个员工（ABCDEFGHIJ），10名员工进入公司之后，需要指派员工在那个部门工作

• 员工信息有: 姓名 工资组成；部门分为：策划、美术、研发

• 随机给10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

  */

  #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_Name;
  	int m_Salary;
  };
   
  void createWorker(vector<Worker>&v)
  {
  	string nameSeed = "ABCDEFGHIJ";
  	for (int i = 0; i < 10; i++)
  	{
  		Worker worker;
  		worker.m_Name = "员工";
  		worker.m_Name += nameSeed[i];
   
  		worker.m_Salary = rand() % 10000 + 10000; // 10000 ~ 19999
  		//将员工放入到容器中
  		v.push_back(worker);
  	}
   
  }
   
  //员工分组
  void setGroup(vector<Worker>&v,multimap<int,Worker>&m)
  {
  	for (vector<Worker>::iterator it = v.begin(); it != v.end(); it++)
  	{
  		//产生随机部门编号
  		int deptId = rand() % 3; // 0 1 2 
   
  		//将员工插入到分组中
  		//key部门编号，value具体员工
  		m.insert(make_pair(deptId, *it));
  	}
   
  }
   
  void showWorkerByGourp(multimap<int,Worker>&m)
  {
  	// 0  A  B  C   1  D  E   2  F G ...
  	cout << "策划部门：" << endl;
   
  	multimap<int,Worker>::iterator pos = m.find(CEHUA);
  	int count = m.count(CEHUA); // 统计具体人数
  	int index = 0;
  	for (; pos != m.end() && index < count; pos++ , index++)
  	{
  		cout << "姓名： " << pos->second.m_Name << " 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_Name << " 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_Name << " 工资： " << pos->second.m_Salary << endl;
  	}
   
  }
   
  int main() {
   
  	srand((unsigned int)time(NULL));
  	
  	//1、创建员工
  	vector<Worker>vWorker;
  	createWorker(vWorker);
  	
  	//2、员工分组
  	multimap<int, Worker>mWorker;
  	setGroup(vWorker, mWorker);
   
   
  	//3、分组显示员工
  	showWorkerByGourp(mWorker);
  	
  	////测试
  	//for (vector<Worker>::iterator it = vWorker.begin(); it != vWorker.end(); it++)
  	//{
  	//	cout << "姓名： " << it->m_Name << " 工资： " << it->m_Salary << endl;
  	//}
  	
  	system("pause");
  	
  	return 0;
  }