feat: 创建MVC项目

.idea/encodings.xml

@@ -8,6 +8,7 @@
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/resources-filtered" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/mvc/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/src/main/resources-filtered" charset="UTF-8" />

.idea/misc.xml

@@ -5,6 +5,7 @@
     <option name="originalFiles">
       <list>
         <option value="$PROJECT_DIR$/pom.xml" />
+        <option value="$PROJECT_DIR$/mvc/pom.xml" />
       </list>
     </option>
     <option name="ignoredFiles">

multithreading/src/main/java/thead/pool/FixedThreadPoolExample01.java

@@ -0,0 +1,27 @@
+package thead.pool;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class FixedThreadPoolExample01 {
+    public static void main(String[] args) {
+        // 创建一个固定大小的线程池，池中有 3 个线程
+        ExecutorService executor = Executors.newFixedThreadPool(3);
+
+        // 提交 6 个任务
+        for (int i = 0; i < 6; i++) {
+            final int taskId = i;
+            executor.submit(() -> {
+                System.out.println("Task " + taskId + " executed by " + Thread.currentThread().getName());
+                try {
+                    Thread.sleep(1000); // 模拟任务执行
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            });
+        }
+
+        // 关闭线程池
+        executor.shutdown();
+    }
+}

multithreading/src/main/java/thead/pool/ThreadPoolNewCached01Use.java

@@ -3,14 +3,14 @@ package thead.pool;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-public class ThreadPoolNewCached {
+public class ThreadPoolNewCached01Use {
     public static void main(String[] args) {
         ExecutorService executorService = Executors.newCachedThreadPool();
 
         // 提交多个任务
-        for (int i = 0; i < 10; i++) {
+        for (int i = 0; i < 1000; i++) {
             final int taskId = i;
-            executorService.submit(() -> {
+            executorService.execute(() -> {
                 System.out.println("Task " + taskId + " executed by: " + Thread.currentThread().getName());
                 try {
                     Thread.sleep(2000);  // 模拟任务执行

multithreading/src/main/java/thead/pool/ThreadPoolNewCached02ReuseExample.java

@@ -0,0 +1,47 @@
+package thead.pool;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class ThreadPoolNewCached02ReuseExample {
+
+    public static void main(String[] args) throws InterruptedException {
+        // 创建一个缓存线程池
+        ExecutorService executorService = Executors.newCachedThreadPool();
+
+        // 提交多个任务
+        for (int i = 0; i < 5; i++) {
+            final int taskId = i;
+            executorService.submit(() -> {
+                System.out.println("Task " + taskId + " executed by: " + Thread.currentThread().getName());
+                try {
+                    // 模拟任务执行时间
+                    Thread.sleep(2000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            });
+        }
+
+        // 等待 1 秒钟，确保线程池中的线程已经执行了一些任务
+        Thread.sleep(1000);
+
+        // 再次提交一些任务，观察线程是否复用
+        for (int i = 5; i < 1000; i++) {
+            final int taskId = i;
+            executorService.submit(() -> {
+                System.out.println("Task " + taskId + " executed by: " + Thread.currentThread().getName());
+                try {
+                    // 模拟任务执行时间
+                    Thread.sleep(2000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            });
+        }
+
+        // 等待所有任务完成
+        Thread.sleep(5000);
+        executorService.shutdown();
+    }
+}

multithreading/src/main/java/thead/pool/ThreadPoolNewCached03CustomCachedThreadPool.java

@@ -0,0 +1,46 @@
+package thead.pool;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+public class ThreadPoolNewCached03CustomCachedThreadPool {
+
+    public static void main(String[] args) {
+        // 定制化线程池
+        ThreadPoolExecutor executor = new ThreadPoolExecutor(
+                0,                      // 核心线程数 0（不保持任何核心线程）
+                5,       // 最大线程数为 4
+                60L,                     // 空闲线程保持时间 60 秒
+                TimeUnit.SECONDS,        // 时间单位：秒
+                new SynchronousQueue<>(),// 使用一个无界队列（任务等待队列）
+                Executors.defaultThreadFactory(), // 使用默认线程工厂
+                new ThreadPoolExecutor.AbortPolicy() // 默认的拒绝策略：抛出异常
+        );
+
+        // 提交一些任务
+        for (int i = 0; i < 10; i++) {
+            final int taskId = i;
+            executor.submit(() -> {
+                System.out.println("Task " + taskId + " executed by: " + Thread.currentThread().getName());
+                try {
+                    // 模拟任务执行时间
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            });
+        }
+
+        // 等待所有任务完成
+        try {
+            Thread.sleep(5000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        // 关闭线程池
+        executor.shutdown();
+    }
+}

mvc/pom.xml

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.4.1</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>cn.bunny</groupId>
+    <artifactId>mvc</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>mvc</name>
+    <description>mvc</description>
+    <url/>
+    <licenses>
+        <license/>
+    </licenses>
+    <developers>
+        <developer/>
+    </developers>
+    <scm>
+        <connection/>
+        <developerConnection/>
+        <tag/>
+        <url/>
+    </scm>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

mvc/src/main/java/cn/bunny/mvc/MvcApplication.java

@@ -0,0 +1,13 @@
+package cn.bunny.mvc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MvcApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(MvcApplication.class, args);
+    }
+
+}

mvc/src/main/resources/application.yaml

@@ -0,0 +1,3 @@
+spring:
+  application:
+    name: mvc

mvc/src/test/java/cn/bunny/mvc/MvcApplicationTests.java

@@ -0,0 +1,13 @@
+package cn.bunny.mvc;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MvcApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}

pom.xml

@@ -20,9 +20,9 @@
         <developer/>
     </developers>
     <modules>
-        <module>multithreading1</module>
         <module>multithreading</module>
         <module>local-tools</module>
+        <module>mvc</module>
     </modules>
     <scm>
         <connection/>