STLvector和map容器案例

STLvector和map容器案例

3.10.1案例描述

3.10.2实现步骤

代码示例&＃xff1a;

#include
#include
#include
#include
#include
#define CEHUA 0
#define MEISHU 1
#define YANFA 2
using namespace std;
class Worker
{
public:string m_Name;int m_Salary;
};
void createWorker(vector<Worker>&v)
{string nameSeed &＃61; "ABCDEFGHIJ";for (int i &＃61; 0; i < 10; i&＃43;&＃43;){Worker worker;worker.m_Name &＃61; "员工";worker.m_Name &＃43;&＃61; nameSeed[i];worker.m_Salary &＃61; rand() % 10000 &＃43; 10000; //10000~1999//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 &＃61; v.begin(); it !&＃61; v.end(); it&＃43;&＃43;){//产生随机部门编号int deptId &＃61; rand() % 3; //0 1 2//将员工插入到分组中//key部门编号&＃xff0c;value具体员工m.insert(make_pair(deptId, *it));}
}
void showWorkerByGourp(multimap<int, Worker>&m)
{cout << "策划部门&＃xff1a;" << endl;multimap<int, Worker>::iterator pos &＃61; m.find(CEHUA);int count &＃61; m.count(CEHUA); //统计具体人数int index &＃61; 0;for (; pos !&＃61; m.end() && index < count; pos&＃43;&＃43;, index&＃43;&＃43;){cout << "姓名&＃xff1a; " << pos->second.m_Name << " 工资&＃xff1a;" << pos->second.m_Salary << endl;}cout << "------------------------------------" << endl;cout << "美术部门&＃xff1a;" << endl;pos &＃61; m.find(MEISHU);count &＃61; m.count(MEISHU); //统计具体人数index &＃61; 0;for (; pos !&＃61; m.end() && index < count; pos&＃43;&＃43;, index&＃43;&＃43;){cout << "姓名&＃xff1a; " << pos->second.m_Name << " 工资&＃xff1a;" << pos->second.m_Salary << endl;}cout << "------------------------------------" << endl;cout << "研发部门&＃xff1a;" << endl;pos &＃61; m.find(YANFA);count &＃61; m.count(YANFA); //统计具体人数index &＃61; 0;for (; pos !&＃61; m.end() && index < count; pos&＃43;&＃43;, index&＃43;&＃43;){cout << "姓名&＃xff1a; " << pos->second.m_Name << " 工资&＃xff1a;" << 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::iterator it &＃61; vWorker.begin(); it !&＃61; vWorker.end(); it&＃43;&＃43;)//{// cout <<"姓名&＃xff1a;" <m_Name <<" 工资&＃xff1a;" <m_Salary <//}system("pause");return 0;
}