添加生产者消费者模型并更改了gitignore

.gitignore

@@ -0,0 +1,7 @@
+# 文件夹
+build/
+cmake-build-debug/
+.idea/
+
+# 文件
+*.exe

CMakeLists.txt

@@ -1,6 +1,6 @@
-cmake_minimum_required(VERSION 4.1)
-project()
+cmake_minimum_required(VERSION 3.30)
+project(main)
 
 set(CMAKE_CXX_STANDARD 20)
 
-add_executable(main.cpp)
+add_executable(main main.cpp)

生产者消费者模型.cpp

@@ -0,0 +1,51 @@
+#include <chrono>
+#include <condition_variable>
+#include <iostream>
+#include <queue>
+#include <thread>
+
+int main() {
+    std::condition_variable cv;
+    std::mutex mtx;
+    std::queue<int> q;
+    bool finished = false;
+
+    auto producer = [&]() {
+        for (int i = 0; i < 10; i++) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(200));
+            {
+                std::lock_guard<std::mutex> lock(mtx);
+                q.push(i);
+                std::cout << "Produced: " << i << "\n";
+            }
+            cv.notify_one();
+        }
+        {
+            std::lock_guard<std::mutex> lock(mtx);
+            finished = true;
+        }
+        cv.notify_all();
+    };
+
+    auto consumer = [&]() {
+        while (true) {
+            std::unique_lock<std::mutex> lock(mtx);
+            cv.wait(lock, [&]() { return !q.empty() || finished; });
+            if (!q.empty()) {
+                int i = q.front();
+                q.pop();
+                lock.unlock();
+                std::cout << "Consumed: "<< i << "\n";
+                std::this_thread::sleep_for(std::chrono::milliseconds(500));
+            } else if (q.empty() && finished) {
+                break;
+            }
+        }
+    };
+
+    std::thread t1(producer);
+    std::thread t2(consumer);
+    t1.join();
+    t2.join();
+    return 0;
+}