数据结构第三章作业

2023-10-29 11:17:01 +08:00
parent 0069fae271
commit afb7c5086e
11 changed files with 842 additions and 0 deletions
--- a/作业/数据结构-金健/C++/第三章作业/src/MVC.cpp
+++ b/作业/数据结构-金健/C++/第三章作业/src/MVC.cpp
@@ -0,0 +1,139 @@
+// @Time    :   2023-10-28 16:11:17
+// @FileName:   MVC.cpp
+// @Author  :   423A35C7
+// @Software:   VSCode
+
+#include "controller.hpp"
+#include "MVC.h"
+// #ifdef __WIN32__
+// 添加"-D_HAS_STD_BYTE=0",的方法不知道为什么没用
+// #include <windows.h>
+// #else
+// #include <unistd.h>
+// #define Sleep(a) usleep(a * 1000) // 需要小于一秒
+// #endif
+// 用_sleep了，虽然会提示不建议使用了，但是用window.h编译出来的会被认为是病毒
+
+
+class Simple {
+private:
+    SingleQueueModel<Customer> model;
+    SimpleQueueView<Customer, SingleQueueModel<Customer>> view{model, 5, 5};
+    // SimpleQueueView<SingleQueueModel<Customer>> view = SimpleQueueView<SingleQueueModel<Customer>>(model, 5, 5, 20);
+    BackgroundView background_view{gate_x, gate_y};
+    SingleQueueController<Customer> controller{model, view, speed};
+    // int probability_num = DEFAULT_PROBABILITY_NUM;
+
+public:
+    // main可以认为是外部对Controller的操作
+    // num是序号
+    Status _main() {
+        static int_ num = 0;
+        if (rand() % probability_num == 0) { // 0.01的概率
+            Customer customer{num++, rand() % (max_money) + 1};
+            this->model.push(customer);
+        }
+        return OK;
+    }
+
+    // 可以认为此操作不应出错
+    void refresh() {
+        this->controller.refresh();
+        this->background_view.refresh();
+        this->view.refresh();
+        _sleep(sleep_time);
+    }
+};
+
+class Multi {
+    using one_model = SingleQueueModel<Customer>;
+    using one_view = SimpleQueueView<Customer, SingleQueueModel<Customer>>;
+    using one_controller = SingleQueueController<Customer>;
+
+    std::vector<std::shared_ptr<one_model>> models;
+    std::vector<std::shared_ptr<one_view>> views;
+    BackgroundView background_view{gate_x, gate_y};
+    std::vector<std::shared_ptr<one_controller>> controllers;
+    DriftingView<Customer> drifting_view;
+    DriftingController<Customer> drift_controller;
+    int len = 0;
+    int probability_num = DEFAULT_PROBABILITY_NUM;
+    int speed = DEFAULT_SPEED;
+    int max_money = MAX_MONEY;
+    double walk_speed = DEFAULT_WALK_SPEED;
+
+public:
+    Multi(int len, int probability_num = DEFAULT_PROBABILITY_NUM, int speed = DEFAULT_SPEED, int max_money = MAX_MONEY, double walk_speed = DEFAULT_WALK_SPEED) : len(len), probability_num(probability_num), speed(speed), max_money(max_money), walk_speed(walk_speed), drift_controller(controllers, drifting_view) {
+        if (len < 1)
+            throw std::bad_array_new_length(); // 异常这样用好像不太对
+        for (int i = 0; i < len; i++) {
+            // one_model _model {};
+            // one_view _view(_model, 5 + i * 20, 5);
+            // one_controller _controller(_model, _view); // 这里的引用很奇怪，可能是自己创建的类在_model离开作用域后继续引用它无法保证它不被修改，也就是说它引用的可能还是原来的变量名，但原来的变量名被更改了，但vector里可以继续正确引用
+            // one_view _view(this->models.back()); // 这样也无法正确引用，看来还是得用指针
+            // one_controller _controller(this->models.back(), this->views.back());
+
+            // vector内对一个对象可能有多个引用，所以可能使用了unique_ptr就无法放置在vector里
+            std::shared_ptr<one_model> _model(new one_model());
+            std::shared_ptr<one_view> _view(new one_view(*_model, base_x, base_y + i * sep));
+            std::shared_ptr<one_controller> _controller(new one_controller(*_model, *_view, this->speed));
+            this->models.push_back(_model);
+            this->views.push_back(_view);
+            this->controllers.push_back(_controller);
+        }
+    }
+
+    // 如果有多个最短的，最左边的优先
+    int get_shortest_queue() {
+        int min_value = int_MAX;
+        int argmin = 0;
+        for (int i = 0; i < this->len; i++) {
+            if (this->models[i]->get_length() < min_value) {
+                min_value = this->models[i]->get_length();
+                argmin = i;
+            }
+        }
+        return argmin;
+    }
+
+    Status _main() {
+        static int_ num = 0;
+        this->drifting_view.main();
+        if (rand() % this->probability_num == 0) { // 0.01的概率
+            Customer customer{num++, rand() % (this->max_money) + 1};
+            // this->models[this->get_shortest_queue()]->push(customer);
+            this->drift_controller.push(
+                customer,
+                this->get_shortest_queue(),
+                std::make_pair(gate_x, gate_y),
+                this->walk_speed);
+        }
+        return OK;
+    }
+
+    void refresh() {
+        for (auto _controller : this->controllers) {
+            _controller->refresh();
+        }
+        this->background_view.refresh();
+        for (auto _view : this->views) {
+            _view->refresh();
+        }
+        this->drifting_view.refresh();
+        _sleep(sleep_time);
+    }
+};
+
+Status main_simple() {
+    Simple simple;
+    std::function<Status()> _main = std::bind(&Simple::_main, &simple);
+    std::function<void()> refresh = std::bind(&Simple::refresh, &simple);
+    return mainloop(_main, refresh, total_time);
+}
+
+Status main_multi() {
+    Multi multi(window_num, probability_num, speed, max_money);
+    std::function<Status()> _main = std::bind(&Multi::_main, &multi);
+    std::function<void()> refresh = std::bind(&Multi::refresh, &multi);
+    return mainloop(_main, refresh, total_time);
+}
--- a/作业/数据结构-金健/C++/第三章作业/src/main.cpp
+++ b/作业/数据结构-金健/C++/第三章作业/src/main.cpp
@@ -0,0 +1,66 @@
+// @Time    :   2023-10-23 19:40:03
+// @FileName:   main.cpp
+// @Author  :   423A35C7
+// @Software:   VSCode
+
+#include "MVC.h" // 应该是cmake里不应该重复include一遍
+using namespace std;
+
+// 以下的是通过向类传递参数设置的
+int probability_num = DEFAULT_PROBABILITY_NUM; // 每个时刻有1/probability_num的概率来人
+int speed = DEFAULT_SPEED;                     // 每个窗口办理的速度
+int_ total_time = DEFAULT_TOTAL_TIME;          // 总时刻数
+int max_money = MAX_MONEY;                     // 最大携带金额
+int window_num = DEFAULT_WINDOW_NUM;           // 柜台数量
+double walk_speed = DEFAULT_WALK_SPEED;           // 人的走路速度
+
+// 以下的是通过全局变量设置的
+int sleep_time = DEFAULT_SLEEP_TIME; // 每次刷新间隔多少毫秒
+int base_x = DEFAULT_BASE_X;         // 起始位置距离终端上边几个字符的距离
+int base_y = DEFAULT_BASE_Y;         // 起始位置距离终端左边几个字符的距离
+int sep = DEFAULT_SEP;               // 每个窗口间隔多少距离
+int gate_x = DEFAULT_GATE_X;         // 大门的位置终端上边几个字符的距离
+int gate_y = DEFAULT_GATE_Y;         // 大门的位置终端左边几个字符的距离
+unsigned seed = DEFAULT_RANDOM_SEED; // 随机数种子
+
+template <typename T>
+Status get_input(T &variable, string prompt) {
+    cout << "请输入" << prompt << "（默认值" << variable << "）： ";
+    while (true) {
+        if (cin >> variable) {
+            break;
+        }
+        cin.clear();
+        cin.ignore(2048, '\n');
+        cout << "输入错误，请重新输入：";
+    }
+    return OK;
+}
+
+int main(int, char **) {
+    // std::cout << "Hello, from 第三章作业!\n";
+    srand(seed);
+    int mode = 2;
+    get_input(mode, "模式，1为单个队列，2为多个队列，3为自定义，其他整数表示退出");
+    switch (mode) {
+    case 1:
+        return main_simple();
+        break;
+    case 2:
+        return main_multi();
+        break;
+    case 3:
+        get_input<int>(probability_num, "每个时刻有1/{输入值}的概率来人");
+        get_input<int>(speed, "每个窗口办理的速度");
+        get_input<int_>(total_time, "总时刻数");
+        get_input<int>(max_money, "最大携带金额");
+        get_input<int>(window_num, "柜台数量");
+        get_input<double>(walk_speed, "人的走路速度（浮点数）");
+        get_input<int>(sleep_time, "每次刷新间隔多少毫秒");
+        get_input<unsigned>(seed, "随机数种子");
+        srand(seed);
+        return main_multi();
+        break;
+    }
+    return OK;
+}