C++进阶实例2--员工分组
1 #include<iostream> 2 #include<map> 3 #include<vector> 4 #include<ctime> 5 using namespace std; 6 7 #define CEHUA 0 8 #define MEISHU 1 9 #define YANFA 2 10 11 // 员工分组 12 // 13 // 案例描述： 14 // 1. 10名员工(ABCDEFGHIJ) 15 // 2. 员工信息：姓名，薪资组成；部门：策划、没熟、研发 16 // 3. 随机给10名员工分配部门和薪资 17 // 4. 通过multimap进行信息的插入，key(部门编号)，value(员工) 18 // 5. 分部门显示员工信息 19 // 20 // 解决思路： 21 // 1. 创建10名员工，存入vector 22 // 2. 遍历vector容器，取出每个员工，进行随机分组 23 // 3. 分组后，将员工编号作为key，具体员工为value，存放到multimap容器中 24 // 4. 分部门显示员工信息 25 // 26 27 // 创建员工 28 class Worker 29 { 30 public: 31 string m_Name; 32 int m_Salary; 33 }; 34 35 void createWorker(vector<Worker>& v) { 36 37 string nameSeed = "ABCDEFGHIJ"; 38 for (int i = 0; i < 10; i++) { 39 Worker worker; 40 worker.m_Name = "员工"; 41 worker.m_Name += nameSeed[i]; 42 43 worker.m_Salary = rand() % 10000 + 10000; // 10000 ~ 19999; 44 45 v.push_back(worker); 46 } 47 48 } 49 50 // 员工分组 51 void setGroup(vector<Worker>& v, multimap<int, Worker>& m) { 52 for (vector<Worker>::iterator it = v.begin(); it != v.end(); it++) { 53 // 产生随机部门编号 54 int depId = rand() % 3; // 0, 1, 2 55 56 // 将员工插入到分组中 57 // key表示部门编号，value表示具体员工 58 m.insert(make_pair(depId, *it)); 59 } 60 } 61 62 // 分组显式 63 void showWorkerByGroup(multimap<int, Worker>&m) { 64 65 cout << "策划部们：" << endl; 66 multimap<int, Worker>::iterator pos = m.find(CEHUA); 67 int count = m.count(CEHUA); // 统计具体人数 68 int index = 0; 69 for (; pos != m.end() && index < count; pos++, index++) { 70 cout << "姓名：" << pos->second.m_Name << " 薪资：" << pos->second.m_Salary << endl; 71 } 72 73 cout << "-----------------------" << endl; 74 cout << "美术部门：" << endl; 75 pos = m.find(MEISHU); 76 count = m.count(MEISHU); // 统计具体人数 77 index = 0; 78 for (; pos != m.end() && index < count; pos++, index++) { 79 cout << "姓名：" << pos->second.m_Name << " 薪资：" << pos->second.m_Salary << endl; 80 } 81 82 cout << "-----------------------" << endl; 83 cout << "研发部门：" << endl; 84 pos = m.find(YANFA); 85 count = m.count(YANFA); // 统计具体人数 86 index = 0; 87 for (; pos != m.end() && index < count; pos++, index++) { 88 cout << "姓名：" << pos->second.m_Name << " 薪资：" << pos->second.m_Salary << endl; 89 } 90 } 91 92 void test01() { 93 94 // 随机数 95 srand((unsigned int)time(NULL)); 96 97 // 1.创建员工 98 vector<Worker>vWorker; 99 createWorker(vWorker);100 101 // 测试员工信息102 //for (vector<Worker>::iterator it = vWorker.begin(); it != vWorker.end(); it++) {103 // cout << "姓名：" << it->m_Name << " 工资：" << it->m_Salary << endl;104 //}105 106 // 2.员工分组107 multimap<int, Worker>mWorker;108 setGroup(vWorker, mWorker);109 110 // 3.分组显式员工111 showWorkerByGroup(mWorker);112 }113 114 int main() {115 116 test01();117 118 system("pause");119 120 return 0;121 }
