init commit

archive/design pattern/composite.cpp

@@ -0,0 +1,84 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+class Component
+{
+public:
+    virtual void click() = 0;
+};
+class Button : public Component
+{
+public:
+    void click()
+    {
+        cout << "按钮按下\n";
+    }
+};
+class Text : public Component
+{
+public:
+    void click()
+    {
+        cout << "文本框按下\n";
+    }
+};
+
+class Window : public Component
+{
+protected:
+    vector<Component *> vec;
+
+public:
+    void add(Component *component)
+    {
+        vec.push_back(component);
+    }
+    void remove(Component *component)
+    {
+        for (int i = 0; i < vec.size(); i++)
+        {
+            if (vec[i] == component)
+            {
+                vec.erase(vec.begin() + i);
+            }
+        }
+    }
+    void click()
+    {
+        cout << "窗口按下\n";
+        for (int i = 0; i < vec.size(); i++)
+        {
+            vec[i]->click();
+        }
+    }
+};
+
+class Container : public Window
+{
+public:
+    void click()
+    {
+        cout << "容器按下\n";
+        for (int i = 0; i < vec.size(); i++)
+        {
+            vec[i]->click();
+        }
+    }
+};
+
+int main()
+{
+    Window *w = new Window();
+    w->add(new Text());
+    w->add(new Button());
+    Container *c = new Container();
+    w->add(c);
+    c->add(new Button());
+    c->add(new Text());
+    c->add(new Button());
+    w->click();
+    cout << "\n\n";
+    c->click();
+    return 0;
+}