第一版教学，作业扩展

2025-07-11 15:36:02 +08:00 · 2025-07-11 15:36:02 +08:00 · 5c87319677
commit 5c87319677
parent 61a5493cc0
39 changed files with 1760 additions and 0 deletions
--- a/demo1-V2/README.md
+++ b/demo1-V2/README.md
@ -0,0 +1,32 @@
+从0到1实现一个web服务器
+---
+### 实现https访问
+1. 生成证书
+   1. 方式1：使用openssl生成证书
+   ```shell
+    openssl pkcs12 -export -in fullchain.pem -inkey privkey.pem -out keystore.p12 -name myhttps -CAfile chain.pem -caname root
+   ```
+   2. 方式2：使用第三方工具证书（key和crt）
+   ```shell
+   # key 和 crt 转换成 PKCS12（.p12）
+   openssl pkcs12 -export -in ssl.crt -inkey ssl.key -out keystore_3rd.p12 -name myhttps -CAfile ca.crt -caname root
+   Enter Export Password: (123456)
+   Verifying - Enter Export Password: (123456)
+   ```
+2. 代码参照： [top.yexuejc.demo.core.WebServer](src/main/java/top/yexuejc/demo/core/WebServer.java).startHttps
+### 扩展一个ctrl能正常处理请求
+1. 定义[@RestController](src/main/java/top/yexuejc/demo/annotation/RestController.java)和[@GetMapping](src/main/java/top/yexuejc/demo/annotation/GetMapping.java)注解
+2. 定义扫描器和模拟bean容器: [ControllerSupplier](src/main/java/top/yexuejc/demo/core/ControllerSupplier.java)
+3. 接入处理逻辑： [RequestHandler](src/main/java/top/yexuejc/demo/core/RequestHandler.java) line 49
+```java
+Response response = ControllerSupplier.invoke(request);
+```
+4. 程序入口装配： [WebServerApplication](src/main/java/top/yexuejc/demo/WebServerApplication.java) line 16
+```java
+ControllerSupplier.builder(WebServerApplication.class);
+```
+### 启动参数配置
+参照 [WebServerApplication](src/main/java/top/yexuejc/demo/WebServerApplication.java).argsProcess
+
+### 配置文件读取
+参照 [AppConfig](src/main/java/top/yexuejc/demo/AppConfig.java)
--- a/demo1-V2/pom.xml
+++ b/demo1-V2/pom.xml
@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>
+    <groupId>top.yexuejc</groupId>
+    <artifactId>demo1-v2</artifactId>
+    <version>1.0.0</version>
+    <name>demo1-v2</name>
+    <description>从0到1实现一个web服务器</description>
+
+    <properties>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+                <configuration>
+                    <compilerArgs>
+                        <!-- 开启预览功能：STR模板引擎-->
+                        <arg>--enable-preview</arg>
+                    </compilerArgs>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
--- a/demo1-V2/src/main/java/top/yexuejc/demo/AppConfig.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/AppConfig.java
@ -0,0 +1,68 @@
+package top.yexuejc.demo;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import top.yexuejc.demo.core.WebServer;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/11 13:56
+ */
+public class AppConfig {
+    private static Properties properties = new Properties();
+    private static boolean loaded = false;
+
+    public static Properties getProperties() {
+        if (!loaded) {
+            loaded = true;
+            try {
+                loadDefaultConfig();
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+        return properties;
+    }
+
+    /**
+     * 配置加载,同key不覆蓋
+     */
+    public static void loadAfter(Properties p) {
+        p.putAll(properties);
+        properties = p;
+    }
+
+    public static void put(String key, String value) {
+        properties.put(key, value);
+    }
+
+    public static synchronized void loadDefaultConfig() throws Exception {
+        loadConfig("classpath:application.properties");
+    }
+
+    public static Properties loadConfig(String path) throws Exception {
+        if (path.startsWith("classpath:")) {
+            // classpath:application.properties
+            try (InputStream inputStream = WebServer.class.getClassLoader().getResourceAsStream(path.substring(10))) {
+                Properties properties = new Properties();
+                properties.load(inputStream);
+                AppConfig.loadAfter(properties);
+            } catch (IOException e) {
+                throw new Exception(e);
+            }
+        } else {
+            // /home/app/application.properties
+            try (InputStream inputStream = new FileInputStream(path)) {
+                Properties properties = new Properties();
+                properties.load(inputStream);
+                AppConfig.loadAfter(properties);
+            } catch (IOException e) {
+                throw new Exception(e);
+            }
+        }
+        return AppConfig.properties;
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/WebServerApplication.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/WebServerApplication.java
@ -0,0 +1,58 @@
+package top.yexuejc.demo;
+
+import top.yexuejc.demo.core.ControllerSupplier;
+import top.yexuejc.demo.core.WebServer;
+
+/**
+ * web服务器入口
+ *
+ * @author maxiaofeng
+ * @date 2025/6/19 11:11
+ */
+public class WebServerApplication {
+    public static void main(String[] args) {
+        System.setProperty("java.util.logging.SimpleFormatter.format", "%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS [%4$s] %2$s - %5$s%6$s%n");
+        argsProcess(args);
+        ControllerSupplier.builder(WebServerApplication.class);
+        new WebServer().start();
+    }
+
+    /**
+     * 处理参数
+     * @param args
+     */
+    private static void argsProcess(String[] args) {
+        if (args != null) {
+            boolean argsCheck = true;
+            for (String arg : args) {
+                String[] split = arg.split("=");
+                if (split.length == 2) {
+                    String value = split[1];
+                    switch (split[0]) {
+                        case "--http.port":
+                            AppConfig.put("http.port", value);
+                            break;
+                        case "--https.port":
+                            AppConfig.put("https.port", value);
+                            break;
+                        case "--property":
+                            try {
+                                AppConfig.loadConfig(value);
+                            } catch (Exception e) {
+                                System.out.println("参数错误：" + arg);
+                                argsCheck = false;
+                            }
+                            break;
+                        default:
+                            System.out.println("参数错误：" + arg);
+                            argsCheck = false;
+                            break;
+                    }
+                }
+            }
+            if (!argsCheck) {
+                System.exit(0);
+            }
+        }
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/annotation/GetMapping.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/annotation/GetMapping.java
@ -0,0 +1,18 @@
+package top.yexuejc.demo.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/11 14:36
+ */
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface GetMapping {
+    String[] value() default {};
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/annotation/RestController.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/annotation/RestController.java
@ -0,0 +1,17 @@
+package top.yexuejc.demo.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/11 14:35
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface RestController {
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/core/ControllerSupplier.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/core/ControllerSupplier.java
@ -0,0 +1,168 @@
+package top.yexuejc.demo.core;
+
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import top.yexuejc.demo.annotation.GetMapping;
+import top.yexuejc.demo.annotation.RestController;
+
+/**
+ * controller类提供者
+ *
+ * @author maxiaofeng
+ * @date 2025/7/11 14:40
+ */
+public class ControllerSupplier {
+    private final String scanPackage;
+    private List<Class<?>> controllerClasses = new ArrayList<>();
+    /** @GetMapping 路径映射 */
+    private Map<String, CtrlBean> getMapping = new ConcurrentHashMap<>();
+
+    private static volatile ControllerSupplier instance;
+
+
+    private ControllerSupplier(String scanPackage) {
+        this.scanPackage = scanPackage;
+    }
+
+    public static ControllerSupplier getInstance(String scanPackage) {
+        if (instance == null) {
+            synchronized (ControllerSupplier.class) {
+                if (instance == null) {
+                    instance = new ControllerSupplier(scanPackage);
+                }
+            }
+        }
+        return instance;
+    }
+
+    public static void builder(Class<?> applicationClass) {
+        // 得到类的包名
+        String packageName = applicationClass.getPackage().getName();
+        ControllerSupplier controllerSupplier = ControllerSupplier.getInstance(packageName);
+        controllerSupplier.load();
+    }
+
+    /**
+     * 扫描包下的@RestController和@Controller注解的类
+     */
+    public void load() {
+        try {
+            // 获取包路径对应的 URL 资源
+            String packagePath = scanPackage.replace(".", "/");
+            ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+            Enumeration<URL> resources = classLoader.getResources(packagePath);
+
+            List<Class<?>> classes = new ArrayList<>();
+
+            while (resources.hasMoreElements()) {
+                File file = new File(resources.nextElement().getFile());
+                if (file.isDirectory()) {
+                    // 遍历目录下所有 .class 文件并加载类
+                    List<Class<?>> foundClasses = getClassesFromDirectory(file, scanPackage);
+                    classes.addAll(foundClasses);
+                }
+            }
+
+            // 筛选出带有 @RestController 的类
+            controllerClasses = classes.stream().filter(clazz -> clazz.isAnnotationPresent(RestController.class)).toList();
+
+            controllerClasses.forEach(clazz -> {
+                System.out.println("controller: " + clazz.getName());
+                // 实例化类
+                Object ctrl;
+                try {
+                    ctrl = clazz.getConstructor().newInstance();
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+                // 找到类下的@GetMapping 方法
+                Arrays.stream(clazz.getMethods()).filter(method -> method.isAnnotationPresent(GetMapping.class)).forEach(method -> {
+                    GetMapping getMappingAnnotation = method.getAnnotation(GetMapping.class);
+                    String[] uris = getMappingAnnotation.value();
+                    for (String uri : uris) {
+                        System.out.println("uri: " + uri);
+                        getMapping.put(uri, new CtrlBean(ctrl, method));
+                    }
+                });
+            });
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static class CtrlBean {
+        public final Object ctrl;
+        public final Method method;
+
+        public CtrlBean(Object ctrl, Method method) {
+            this.ctrl = ctrl;
+            this.method = method;
+        }
+    }
+
+    /**
+     * 从给定目录扫描并加载所有类
+     */
+    private List<Class<?>> getClassesFromDirectory(File directory, String packageName) throws ClassNotFoundException {
+        List<Class<?>> classes = new ArrayList<>();
+        if (!directory.exists()) {
+            return classes;
+        }
+
+        File[] files = directory.listFiles();
+        if (files == null) {
+            return classes;
+        }
+
+        for (File file : files) {
+            if (file.isDirectory()) {
+                classes.addAll(getClassesFromDirectory(file, STR."\{packageName}.\{file.getName()}"));
+            } else if (file.getName().endsWith(".class")) {
+                String className = STR."\{packageName}.\{file.getName().substring(0, file.getName().length() - 6)}";
+                Class<?> clazz = Class.forName(className);
+                classes.add(clazz);
+            }
+        }
+
+        return classes;
+    }
+
+    /**
+     * 处理请求
+     *
+     * @param request
+     * @return
+     */
+    public static Response invoke(Request request) {
+        CtrlBean ctrlBean = ControllerSupplier.getInstance(null).getMapping.get(request.getPath());
+        if (ctrlBean != null) {
+            try {
+                // 判断method是否有参数
+                Object result;
+                if (ctrlBean.method.getParameterCount() == 0) {
+                    result = ctrlBean.method.invoke(ctrlBean.ctrl);
+                } else {
+                    result = ctrlBean.method.invoke(ctrlBean.ctrl, request.getParams());
+                }
+                return new Response(200, "OK", "text/html;charset=utf-8", result.toString().getBytes(StandardCharsets.UTF_8));
+            } catch (Exception e) {
+                e.printStackTrace();
+                return new Response(500, "Internal Server Error", "text/html;charset=utf-8", "Internal Server Error".getBytes(StandardCharsets.UTF_8));
+            }
+        }
+        return null;
+    }
+
+}
+
--- a/demo1-V2/src/main/java/top/yexuejc/demo/core/Request.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/core/Request.java
@ -0,0 +1,36 @@
+package top.yexuejc.demo.core;
+
+/**
+ * 请求对象类
+ * @author maxiaofeng
+ * @date 2025/6/19 11:37
+ */
+public class Request {
+    private final String method;
+    private final String path;
+    private final String body;
+    private final String params;
+
+    public Request(String method, String path, String body, String params) {
+        this.method = method;
+        this.path = path;
+        this.body = body;
+        this.params = params;
+    }
+
+    public String getMethod() {
+        return method;
+    }
+
+    public String getPath() {
+        return path;
+    }
+
+    public String getBody() {
+        return body;
+    }
+
+    public String getParams() {
+        return params;
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/core/RequestHandler.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/core/RequestHandler.java
@ -0,0 +1,234 @@
+package top.yexuejc.demo.core;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.Socket;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Objects;
+import java.util.logging.Logger;
+import javax.net.ssl.SSLHandshakeException;
+
+
+/**
+ * 请求处理
+ *
+ * @author maxiaofeng
+ * @date 2025/6/19 11:29
+ */
+public class RequestHandler implements Runnable {
+    Logger logger = Logger.getLogger(RequestHandler.class.getName());
+    private final String OS_NAME = System.getProperty("os.name");
+    private final List<String> STATIC_RESOURCES = List.of("css", "js", "img", "fonts", "favicon.ico");
+
+    private final Socket clientSocket;
+    private final String staticRoot;
+    private final String webRoot;
+
+    public RequestHandler(Socket socket, String staticRoot, String webRoot) {
+        this.clientSocket = socket;
+        this.staticRoot = staticRoot;
+        this.webRoot = webRoot;
+    }
+
+    @Override
+    public void run() {
+        try (InputStream input = clientSocket.getInputStream(); OutputStream output = clientSocket.getOutputStream()) {
+
+            // 解析请求
+            Request request = parseRequest(input);
+
+            Response response = ControllerSupplier.invoke(request);
+            if (response == null) {
+                // 处理请求并生成响应（静态画面）
+                response = handleRequestPage(request);
+            }
+            // 画面渲染（动态画面）
+            pageLive(request, response);
+
+            // 发送响应
+            sendResponse(output, response);
+        } catch (SSLHandshakeException e) {
+            logger.warning("证书不受信任！请导入证书或使用受信任的证书。");
+        } catch (Exception e) {
+            logger.warning("Error handling request: " + e.getMessage());
+            e.printStackTrace();
+        } finally {
+            try {
+                clientSocket.close();
+            } catch (IOException e) {
+                logger.warning("Error closing client socket: " + e.getMessage());
+                e.printStackTrace();
+            }
+        }
+    }
+
+    private void pageLive(Request request, Response response) {
+        if (!request.getPath().endsWith("html") && !request.getPath().equals("/")) {
+            return;
+        }
+        byte[] originalBytes = response.getContent();
+        // 模拟模板引擎
+        // 1. 获取原始的字符串
+        String originalString = new String(originalBytes, StandardCharsets.UTF_8);
+
+        // 2. 替换字符串
+        String params = request.getParams();
+        if (params == null) {
+            params = "";
+        } else {
+            String[] split = params.split("&");
+            for (String s : split) {
+                String[] split1 = s.split("=");
+                if (split1.length == 2) {
+                    originalString = originalString.replace(STR."${\{split1[0]}}", split1[1]);
+                }
+            }
+        }
+        // 3. 将替换后的 String 转回 byte[]
+        response.setContent(originalString.getBytes(StandardCharsets.UTF_8));
+    }
+
+    private Request parseRequest(InputStream input) throws IOException, URISyntaxException {
+        BufferedReader reader = new BufferedReader(new InputStreamReader(input));
+        String requestLine = reader.readLine();
+        if (requestLine == null) {
+            throw new IOException("Empty request");
+        }
+        // GET /index.html?a=1 HTTP/1.1
+        // Host: 127.0.0.1:8080
+        // User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
+        // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;
+        // v=b3;q=0.7
+
+        // POST /getUser HTTP/1.1
+        // Content-Type: application/json
+        // User-Agent: PostmanRuntime/7.44.0
+        // Accept: */*
+        // Host: 127.0.0.1:8080
+        // Accept-Encoding: gzip, deflate, br
+        // Connection: keep-alive
+        // Content-Length: 10
+
+        logger.info("=====================================================");
+        logger.info(requestLine);
+        String[] parts = requestLine.split(" ");
+        if (parts.length != 3) {
+            throw new IOException("Invalid request line: " + requestLine);
+        }
+
+        String method = parts[0]; // GET
+        String path = parts[1]; // /index.html
+
+        URI url = new URI(path);
+        path = url.getPath();
+        String params = url.getQuery();
+
+
+        // 读取请求头
+        String headerLine;
+        int contentLength = 0; // 输入流中字节长度
+        while ((headerLine = reader.readLine()) != null && !headerLine.isEmpty()) {
+            logger.info(headerLine);
+            if (method.equals("POST") && headerLine.startsWith("Content-Length:")) {
+                contentLength = Integer.parseInt(headerLine.split(":")[1].trim());
+            }
+        }
+
+        // 读取POST请求体
+        StringBuilder requestBody = new StringBuilder();
+        if (method.equals("POST") && contentLength > 0) {
+            char[] buffer = new char[contentLength];
+            reader.read(buffer, 0, contentLength);
+            requestBody.append(buffer);
+            logger.info("Body: " + requestBody);
+        }
+        logger.info("Params: " + params);
+
+        logger.info("=====================================================");
+        return new Request(method, path, requestBody.toString(), params);
+    }
+
+    private Response handleRequestPage(Request request) {
+        String path = request.getPath();
+
+        // 默认主页
+        if (path.equals("/")) {
+            path = "/index.html";
+        }
+        path = getAbsolutePath(path);
+
+        // 获取classPath中的文件路径
+        String classPath = Objects.requireNonNull(getClass().getClassLoader().getResource("")).getPath();
+        if (OS_NAME.startsWith("Windows")) {
+            classPath = classPath.substring(1);
+        }
+        Path filePath = Paths.get(classPath, path);
+
+        // 安全检查，防止目录遍历攻击
+        if (!filePath.startsWith(Paths.get(classPath, webRoot)) && !filePath.startsWith(Paths.get(classPath, staticRoot))) {
+            return new Response(403, "Forbidden", "text/plain;charset=utf-8", "Access denied".getBytes());
+        }
+
+        // 检查文件是否存在且是普通文件
+        if (Files.exists(filePath) && Files.isRegularFile(filePath)) {
+            try {
+                byte[] content = Files.readString(filePath, StandardCharsets.UTF_8).getBytes(StandardCharsets.UTF_8);
+                String contentType = determineContentType(filePath);
+                return new Response(200, "OK", contentType, content);
+            } catch (IOException e) {
+                return new Response(500, "Internal Server Error", "text/plain;charset=utf-8", "Error reading file".getBytes());
+            }
+        } else {
+            return new Response(404, "Not Found", "text/plain;charset=utf-8", "Page not found".getBytes());
+        }
+    }
+
+    private String getAbsolutePath(String path) {
+        if (path.startsWith("/") && STATIC_RESOURCES.stream().anyMatch(path::endsWith)) {
+            return staticRoot + path;
+        }
+        return webRoot + path;
+    }
+
+    private String determineContentType(Path filePath) {
+        String fileName = filePath.getFileName().toString();
+        if (fileName.endsWith(".html")) {
+            return "text/html;charset=utf-8";
+        } else if (fileName.endsWith(".css")) {
+            return "text/css;charset=utf-8";
+        } else if (fileName.endsWith(".js")) {
+            return "application/javascript;charset=utf-8";
+        } else if (fileName.endsWith(".png")) {
+            return "image/png";
+        } else if (fileName.endsWith(".jpg") || fileName.endsWith(".jpeg")) {
+            return "image/jpeg";
+        } else {
+            return "application/octet-stream";
+        }
+    }
+
+    private void sendResponse(OutputStream output, Response response) throws IOException {
+        String statusLine = STR."""
+HTTP/1.1 \{response.getStatusCode()} \{response.getStatusMessage()}\r
+""";
+        String headers = STR."""
+Content-Type: \{response.getContentType()}\r
+Content-Length: \{response.getContentLength()}\r
+\r
+""";
+
+        output.write(statusLine.getBytes());
+        output.write(headers.getBytes());
+        output.write(response.getContent());
+        output.flush();
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/core/Response.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/core/Response.java
@ -0,0 +1,45 @@
+package top.yexuejc.demo.core;
+
+/**
+ * 响应对象类
+ * @author maxiaofeng
+ * @date 2025/6/19 11:37
+ */
+public class Response {
+    private final int statusCode;
+    private final String statusMessage;
+    private final String contentType;
+    private  byte[] content;
+
+    public Response(int statusCode, String statusMessage, String contentType, byte[] content) {
+        this.statusCode = statusCode;
+        this.statusMessage = statusMessage;
+        this.contentType = contentType;
+        this.content = content;
+    }
+
+    public int getStatusCode() {
+        return statusCode;
+    }
+
+    public String getStatusMessage() {
+        return statusMessage;
+    }
+
+    public String getContentType() {
+        return contentType;
+    }
+
+    public byte[] getContent() {
+        return content;
+    }
+
+    public int getContentLength() {
+        return content.length;
+    }
+
+    public Response setContent(byte[] content) {
+        this.content = content;
+        return this;
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/core/WebServer.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/core/WebServer.java
@ -0,0 +1,165 @@
+package top.yexuejc.demo.core;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.security.KeyStore;
+import java.util.Properties;
+import java.util.logging.Logger;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLServerSocket;
+import javax.net.ssl.SSLServerSocketFactory;
+
+import top.yexuejc.demo.AppConfig;
+
+/**
+ * web服务核心
+ *
+ * @author maxiaofeng
+ * @date 2025/6/19 11:13
+ */
+public class WebServer {
+    Logger logger = Logger.getLogger(WebServer.class.getName());
+    /** 端口 */
+    private int httpPort = 80;
+    private int httpsPort = 443;
+    /**
+     * 证书格式：
+     * 1. JKS
+     * 2. PKCS12
+     */
+    private String httpsSslKeyStore = "PKCS12";
+    private String httpsSslKeyStoreFile;
+    private String httpsSslKeyStorePassword;
+    /** 页面资源文件 */
+    private String webRoot = "web";
+    /** 静态资源文件 */
+    private String staticRoot = "static";
+
+    private ServerSocket serverSocket;
+    private SSLServerSocket httpsServerSocket;
+    private boolean isRunning;
+
+    public WebServer() {
+        Properties config = AppConfig.getProperties();
+        String s = config.getProperty("http.port");
+        httpPort = s == null ? 80 : Integer.parseInt(s);
+        s = config.getProperty("https.port");
+        httpsPort = s == null ? 443 : Integer.parseInt(s);
+        s = config.getProperty("https.ssl.type");
+        httpsSslKeyStore = s == null ? httpsSslKeyStore : s;
+        s = config.getProperty("https.ssl.key-store");
+        httpsSslKeyStoreFile = s == null ? httpsSslKeyStoreFile : s;
+        s = config.getProperty("https.ssl.key-store-password");
+        httpsSslKeyStorePassword = s == null ? httpsSslKeyStorePassword : s;
+    }
+
+    public WebServer(int httpPort, int httpsPort, String staticRoot, String webRoot) {
+        this.httpPort = httpPort;
+        this.httpsPort = httpsPort;
+        this.staticRoot = staticRoot;
+        this.webRoot = webRoot;
+    }
+
+    /**
+     * 启动服务
+     */
+    public void start() {
+        new Thread(this::startHttp).start();
+        if (httpsSslKeyStoreFile != null && !httpsSslKeyStoreFile.isEmpty()) {
+            new Thread(this::startHttps).start();
+        }
+    }
+
+    public void startHttp() {
+        try {
+            serverSocket = new ServerSocket(httpPort);
+            isRunning = true;
+            logger.info("启动Web服务 : http://127.0.0.1:" + httpPort);
+
+            // 阻塞式监听服务是否正常
+            while (isRunning) {
+                try {
+                    Socket clientSocket = serverSocket.accept();
+                    // 新建一个线程处理请求
+                    new RequestHandler(clientSocket, staticRoot, webRoot).run();
+                } catch (IOException e) {
+                    if (isRunning) {
+                        logger.severe("创建连接异常。");
+                        e.printStackTrace();
+                    }
+                }
+            }
+        } catch (Throwable r) {
+            logger.severe("启动Web服务异常。");
+            r.printStackTrace();
+        } finally {
+            stop();
+        }
+    }
+
+    public void startHttps() {
+        try {
+            // 1. 加载 PKCS12 密钥库
+            KeyStore keyStore = KeyStore.getInstance(httpsSslKeyStore);
+            InputStream inputStream;
+            if (httpsSslKeyStoreFile.startsWith("classpath:")) {
+                inputStream = this.getClass().getClassLoader().getResourceAsStream(httpsSslKeyStoreFile.substring(10));
+            } else {
+                inputStream = new FileInputStream(httpsSslKeyStoreFile);
+            }
+            keyStore.load(inputStream, httpsSslKeyStorePassword.toCharArray());
+            // 2. 初始化 KeyManagerFactory
+            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
+            keyManagerFactory.init(keyStore, httpsSslKeyStorePassword.toCharArray());
+
+            // 3. 初始化 SSLContext（TLS 1.2 或 1.3）
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.3");  // 或 "TLS"
+            sslContext.init(keyManagerFactory.getKeyManagers(), null, null);
+
+            // 4. 创建 SSLServerSocket
+            SSLServerSocketFactory sslServerSocketFactory = sslContext.getServerSocketFactory();
+            SSLServerSocket httpsServerSocket = (SSLServerSocket) sslServerSocketFactory.createServerSocket(httpsPort);
+            httpsServerSocket.setEnabledProtocols(new String[]{"TLSv1.2", "TLSv1.3"});
+
+            logger.info("启动Web服务 : https://127.0.0.1:" + httpsPort);
+            isRunning = true;
+            while (isRunning) {
+                // 新建一个线程处理请求
+                new RequestHandler(httpsServerSocket.accept(), staticRoot, webRoot).run();
+            }
+        } catch (Exception e) {
+            if (isRunning) {
+                logger.severe("创建连接异常。");
+                e.printStackTrace();
+            }
+        } finally {
+            stop();
+        }
+    }
+
+    /**
+     * 停止服务
+     */
+    public void stop() {
+        isRunning = false;
+        try {
+            if (serverSocket != null) {
+                serverSocket.close();
+            }
+        } catch (IOException e) {
+            logger.info("停止Web服务异常: " + e.getMessage());
+        }
+        try {
+            if (httpsServerSocket != null) {
+                httpsServerSocket.close();
+            }
+        } catch (IOException e) {
+            logger.info("停止Web服务异常: " + e.getMessage());
+        }
+        System.out.println("Web服务停止.");
+    }
+}
--- a/demo1-V2/src/main/java/top/yexuejc/demo/web/IndexCtrl.java
+++ b/demo1-V2/src/main/java/top/yexuejc/demo/web/IndexCtrl.java
@ -0,0 +1,22 @@
+package top.yexuejc.demo.web;
+
+import top.yexuejc.demo.annotation.GetMapping;
+import top.yexuejc.demo.annotation.RestController;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/11 14:33
+ */
+@RestController
+public class IndexCtrl {
+
+    @GetMapping("/test")
+    public String index() {
+        return "hello world";
+    }
+
+    @GetMapping("/test2")
+    public String index(String params) {
+        return STR."你好 ： \{params}";
+    }
+}
--- a/demo1-V2/src/main/resources/Intasect.crt
+++ b/demo1-V2/src/main/resources/Intasect.crt
@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+0azf+GzOYEYsbqU98Jh3tTb2d5fqmN59otxqe7b9aA5BogL/n9AmAOw+1DgJ4l4g
+Qj5S+tA5jR4DpQthvrrzy0/xc37gIvzS7em7y6C2K6lDE0CCs9OuBZoAniaa+6/I
+86Xi+XtJFrZ1bFfyOwDp7TSuNALeEsJKggfASMbOG0NUGcgl5q/kMcp5v8e6RNUw
+oLBEvTic573dAWwtuCjOTW0QI2vG7w==
+-----END CERTIFICATE-----
--- a/demo1-V2/src/main/resources/application.properties
+++ b/demo1-V2/src/main/resources/application.properties
@ -0,0 +1,5 @@
+http.port=80
+https.port=443
+https.ssl.type=PKCS12
+https.ssl.key-store=classpath:ssl/keystore_3rd.p12
+https.ssl.key-store-password=123456
--- a/demo1-V2/src/main/resources/ssl/keystore_3rd.p12
+++ b/demo1-V2/src/main/resources/ssl/keystore_3rd.p12
--- a/demo1-V2/src/main/resources/ssl/ssl.crt
+++ b/demo1-V2/src/main/resources/ssl/ssl.crt
@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDojCCAoqgAwIBAgIEEBU9hTANBgkqhkiG9w0BAQsFADBqMQswCQYDVQQGEwJD
+TjERMA8GA1UEAwwISW50YXNlY3QxEDAOBgNVBAgMB1NpQ2h1YW4xEDAOBgNVBAcM
+B0NoZW5nRHUxETAPBgNVBAoMCEludGFzZWN0MREwDwYDVQQLDAhJbnRhc2VjdDAe
+Fw0yNTA3MTEwMTM5MDhaFw0yNzA3MTEwMTM5MDhaMGoxCzAJBgNVBAYTAkNOMREw
+DwYDVQQDDAhJbnRhc2VjdDEQMA4GA1UECAwHU2lDaHVhbjEQMA4GA1UEBwwHQ2hl
+bmdEdTERMA8GA1UECgwISW50YXNlY3QxETAPBgNVBAsMCEludGFzZWN0MIIBIjAN
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+AAOCAQEAaYr52M5ZNUB0MQFHqGQ5FvIDaBZJY9ntYC+iasW84EQcPzZy+XCeMcqd
+sv9RA1/UrNnmPM62AgM0TNUNHg/edEeVBf/IrqGdPNPEYKiB4lELWuzyVvjEkyEK
+0azf+GzOYEYsbqU98Jh3tTb2d5fqmN59otxqe7b9aA5BogL/n9AmAOw+1DgJ4l4g
+Qj5S+tA5jR4DpQthvrrzy0/xc37gIvzS7em7y6C2K6lDE0CCs9OuBZoAniaa+6/I
+86Xi+XtJFrZ1bFfyOwDp7TSuNALeEsJKggfASMbOG0NUGcgl5q/kMcp5v8e6RNUw
+oLBEvTic573dAWwtuCjOTW0QI2vG7w==
+-----END CERTIFICATE-----
--- a/demo1-V2/src/main/resources/ssl/ssl.csr
+++ b/demo1-V2/src/main/resources/ssl/ssl.csr
@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICrzCCAZcCAQAwajELMAkGA1UEBhMCQ04xETAPBgNVBAMMCEludGFzZWN0MRAw
+DgYDVQQIDAdTaUNodWFuMRAwDgYDVQQHDAdDaGVuZ0R1MREwDwYDVQQKDAhJbnRh
+c2VjdDERMA8GA1UECwwISW50YXNlY3QwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
+ggEKAoIBAQDcJ7jo+PqEh4I2/+D5zhZoonmNRGh+TSYteFNotr9B2wr05UZRhY95
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+Ja48KYFNChdpTlIZfuXd6ytHWf68hShw47IeVa8rMcLCJMnERhtKEL6R2C8HmjNZ
+JOnmoXyPmwAJIo2Z1yRJoh+JbXhvdBSw0G3u4y9xLhWyvPE8ERwPapYKRKvDpDhO
+/LvKFTbW1qKxQ712IDox8xlfr3zxTiWZb3tHfWbaJDDFWvWbq1CeS8lMfBHvrGor
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+WytygTsyK1SBLBDEdHgXbazfQw==
+-----END CERTIFICATE REQUEST-----
--- a/demo1-V2/src/main/resources/ssl/ssl.key
+++ b/demo1-V2/src/main/resources/ssl/ssl.key
@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+YhGVDdoyBqsi4MpVU1EiszRfMrvtWYywpjrCwdcwsliGUXIOdz3AWabCpmn2N0Lc
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+Xz9lqkKtWh+30DNKShkb+YG030Y/p0Msxn9PlMzZMQKBgQDxe78cNqrWCMgj35yD
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+PAgNmnu4pkAhHUSUxhlXcnw=
+-----END PRIVATE KEY-----
--- a/demo1-V2/src/main/resources/static/css/index.css
+++ b/demo1-V2/src/main/resources/static/css/index.css
@ -0,0 +1,22 @@
+body {
+    font-family: Arial, sans-serif;
+    max-width: 800px;
+    margin: 0 auto;
+    padding: 20px;
+    color: #333;
+}
+
+h1 {
+    color: #0671dc;
+    /* 让文字左右滚动，并且改变颜色*/
+    text-shadow: 0 0 5px #333;
+    animation: scroll-text 5s linear infinite;
+    animation-fill-mode: forwards;
+    animation-delay: 2s;
+    animation-direction: alternate;
+    animation-iteration-count: infinite;
+    animation-timing-function: ease-in-out;
+    animation-play-state: running;
+    animation-name: scroll-text;
+    animation-duration: 5s;
+}
--- a/demo1-V2/src/main/resources/web/index.html
+++ b/demo1-V2/src/main/resources/web/index.html
@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>Simple Web Server</title>
+    <link rel="stylesheet" href="/css/index.css">
+</head>
+<body>
+<h1>Welcome to Simple Web Server</h1>
+<p>This page is served by our custom Java web server!</p>
+<p>你的请求参数是：${body}</p>
+</body>
+</html>
--- a/demo1/src/main/resources/ssl/ssl.crt
+++ b/demo1/src/main/resources/ssl/ssl.crt
@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDojCCAoqgAwIBAgIEEBU9hTANBgkqhkiG9w0BAQsFADBqMQswCQYDVQQGEwJD
+TjERMA8GA1UEAwwISW50YXNlY3QxEDAOBgNVBAgMB1NpQ2h1YW4xEDAOBgNVBAcM
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+oLBEvTic573dAWwtuCjOTW0QI2vG7w==
+-----END CERTIFICATE-----
--- a/demo1/src/main/resources/ssl/ssl.csr
+++ b/demo1/src/main/resources/ssl/ssl.csr
@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICrzCCAZcCAQAwajELMAkGA1UEBhMCQ04xETAPBgNVBAMMCEludGFzZWN0MRAw
+DgYDVQQIDAdTaUNodWFuMRAwDgYDVQQHDAdDaGVuZ0R1MREwDwYDVQQKDAhJbnRh
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+WytygTsyK1SBLBDEdHgXbazfQw==
+-----END CERTIFICATE REQUEST-----
--- a/demo1/src/main/resources/ssl/ssl.key
+++ b/demo1/src/main/resources/ssl/ssl.key
@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDcJ7jo+PqEh4I2
+/+D5zhZoonmNRGh+TSYteFNotr9B2wr05UZRhY95iVC2WNlnvLmjcM0edgnttJ4B
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+PAgNmnu4pkAhHUSUxhlXcnw=
+-----END PRIVATE KEY-----
--- a/demo2/pom.xml
+++ b/demo2/pom.xml
@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>3.5.3</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>top.yexuejc</groupId>
+    <artifactId>demo2</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>demo2</name>
+    <description>demo2</description>
+    <url/>
+    <licenses>
+        <license/>
+    </licenses>
+    <developers>
+        <developer/>
+    </developers>
+    <scm>
+        <connection/>
+        <developerConnection/>
+        <tag/>
+        <url/>
+    </scm>
+    <properties>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.30</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>nz.net.ultraq.thymeleaf</groupId>
+            <artifactId>thymeleaf-layout-dialect</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.thymeleaf.extras</groupId>
+            <artifactId>thymeleaf-extras-springsecurity6</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <!-- 项目热部署 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <optional>true</optional> <!-- 表示依赖不会传递 -->
+            <scope>true</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <fork>true</fork> <!-- 如果没有该配置，devtools不会生效 -->
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
--- a/demo2/src/main/java/top/yexuejc/demo/Demo2Application.java
+++ b/demo2/src/main/java/top/yexuejc/demo/Demo2Application.java
@ -0,0 +1,13 @@
+package top.yexuejc.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Demo2Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Demo2Application.class, args);
+    }
+
+}
--- a/demo2/src/main/java/top/yexuejc/demo/config/GlobalExceptionHandler.java
+++ b/demo2/src/main/java/top/yexuejc/demo/config/GlobalExceptionHandler.java
@ -0,0 +1,43 @@
+package top.yexuejc.demo.config;
+
+import java.util.List;
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.ObjectError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.ModelAndView;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/3 18:27
+ */
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public Object handleValidationExceptions(MethodArgumentNotValidException ex, HttpServletRequest request) {
+
+        log.error("参数校验异常: ", ex);
+
+        BindingResult result = ex.getBindingResult();
+        List<String> errorMessages = result.getAllErrors().stream().map(ObjectError::getDefaultMessage).toList();
+
+        if (request.getContentType() != null && request.getContentType().contains("application/json")) {
+            // 返回 JSON 错误信息
+            return new ResponseEntity<>(errorMessages, HttpStatus.BAD_REQUEST);
+        } else {
+            // 返回错误页面或重定向到原页面
+            ModelAndView modelAndView = new ModelAndView("login"); // 示例页面名
+            modelAndView.addObject("error", errorMessages);
+            return modelAndView;
+        }
+    }
+}
--- a/demo2/src/main/java/top/yexuejc/demo/config/SecurityConfig.java
+++ b/demo2/src/main/java/top/yexuejc/demo/config/SecurityConfig.java
@ -0,0 +1,39 @@
+package top.yexuejc.demo.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig {
+
+    @Bean
+    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
+        http
+            .authorizeHttpRequests(auth -> auth
+                .requestMatchers("/", "/home", "/login/**", "/register", "/css/**", "/js/**", "/images/**").permitAll()
+                .anyRequest().authenticated()
+            )
+            .formLogin(form -> form
+                .loginPage("/login")
+                .defaultSuccessUrl("/home")
+                .failureUrl("/login?error=true")
+                .permitAll()
+            )
+            .logout(logout -> logout
+                .logoutSuccessUrl("/login?logout=true")
+                .permitAll()
+            );
+        return http.build();
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}
--- a/demo2/src/main/java/top/yexuejc/demo/config/ThymeleafConfig.java
+++ b/demo2/src/main/java/top/yexuejc/demo/config/ThymeleafConfig.java
@ -0,0 +1,22 @@
+package top.yexuejc.demo.config;
+
+import nz.net.ultraq.thymeleaf.layoutdialect.LayoutDialect;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.thymeleaf.spring6.SpringTemplateEngine;
+import org.thymeleaf.spring6.templateresolver.SpringResourceTemplateResolver;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/4 18:28
+ */
+@Configuration
+public class ThymeleafConfig {
+    @Bean
+    public SpringTemplateEngine templateEngine(SpringResourceTemplateResolver templateResolver) {
+        SpringTemplateEngine engine = new SpringTemplateEngine();
+        engine.addDialect(new LayoutDialect());
+        engine.setTemplateResolver(templateResolver);
+        return engine;
+    }
+}
--- a/demo2/src/main/java/top/yexuejc/demo/model/LoginVO.java
+++ b/demo2/src/main/java/top/yexuejc/demo/model/LoginVO.java
@ -0,0 +1,22 @@
+package top.yexuejc.demo.model;
+
+import java.io.Serializable;
+
+import jakarta.validation.constraints.NotBlank;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/3 16:39
+ */
+public record LoginVO(@NotBlank(message = "账号不能为空") String username,
+                      @NotBlank(message = "密码不能为空") String password) implements Serializable {
+
+}
+
+//@Data
+//public class LoginVO implements Serializable {
+//    @NotBlank
+//    private String username;
+//    private String password;
+//}
+
--- a/demo2/src/main/java/top/yexuejc/demo/web/IndexCtrl.java
+++ b/demo2/src/main/java/top/yexuejc/demo/web/IndexCtrl.java
@ -0,0 +1,18 @@
+package top.yexuejc.demo.web;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/3 18:43
+ */
+@Controller
+public class IndexCtrl {
+
+    @RequestMapping("/")
+    public ModelAndView index() {
+        return new ModelAndView("index");
+    }
+}
--- a/demo2/src/main/java/top/yexuejc/demo/web/LoginCtrl.java
+++ b/demo2/src/main/java/top/yexuejc/demo/web/LoginCtrl.java
@ -0,0 +1,56 @@
+package top.yexuejc.demo.web;
+
+import java.util.Map;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import jakarta.validation.Valid;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Controller;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.servlet.ModelAndView;
+import top.yexuejc.demo.model.LoginVO;
+
+/**
+ * @author maxiaofeng
+ * @date 2025/7/3 16:37
+ */
+@Controller
+@RequestMapping("/login")
+public class LoginCtrl {
+
+    private static final Logger log = LoggerFactory.getLogger(LoginCtrl.class);
+
+    @GetMapping("")
+    public ModelAndView page(ModelAndView mv, @RequestParam Map<String, Object> params) {
+        mv.addAllObjects(params);
+        mv.setViewName("login");
+        return mv;
+    }
+
+    @GetMapping("/get")
+    public String loginGet(@Valid LoginVO loginVO) throws JsonProcessingException {
+        log.info(new JsonMapper().writeValueAsString(loginVO));
+        return "redirect:/";
+    }
+
+    @PostMapping(value = "/postJson", consumes = MediaType.APPLICATION_JSON_VALUE)
+    public String loginPostJson(@RequestBody @Validated LoginVO loginVO) throws JsonProcessingException {
+        log.info(new JsonMapper().writeValueAsString(loginVO));
+        return "redirect:/";
+    }
+
+    @PostMapping(value = "/postFrom", consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+    public String loginPostFrom(@Validated LoginVO loginVO) throws JsonProcessingException {
+        log.info(new JsonMapper().writeValueAsString(loginVO));
+        return "redirect:/";
+    }
+}
--- a/demo2/src/main/resources/application.properties
+++ b/demo2/src/main/resources/application.properties
@ -0,0 +1,9 @@
+spring.application.name=demo2
+
+
+spring.thymeleaf.prefix=classpath:/templates/
+spring.thymeleaf.suffix=.html
+spring.thymeleaf.mode=HTML
+spring.thymeleaf.cache=false
+spring.thymeleaf.encoding=UTF-8
+spring.thymeleaf.servlet.content-type=text/html
--- a/demo2/src/main/resources/static/css/common/main.css
+++ b/demo2/src/main/resources/static/css/common/main.css
@ -0,0 +1,127 @@
+/**
+ * 
+ * @author maxiaofeng
+ * @date 2025/7/4 17:33
+ */
+/* 移动设备样式 */
+@media screen and (max-width: 760px) {
+    .ui-menu {
+        display: none;
+    }
+
+    .ui-main-container {
+        width: 100%;
+        display: flex;
+        flex-direction: column;
+    }
+
+    .ui-header {
+        height: 50px;
+        background-color: #14ccff50;
+    }
+
+    .ui-content {
+        flex: 1;
+        background: #d2fe8650;
+    }
+}
+
+/* 桌面设备样式 */
+@media screen and (min-width: 760px) {
+    .ui-menu {
+        display: block;
+        width: 200px;
+        height: 100vh;
+        background-color: #834f4f50;
+        position: fixed; /* 固定位置 */
+        left: 0;
+        top: 0;
+        transition: width 0.3s ease-in-out;
+        overflow: hidden;
+    }
+
+    .ui-main-container {
+        margin-left: 200px; /* 给侧边栏留出空间 */
+        display: flex;
+        flex-direction: column;
+        height: 100vh; /* 占满整个视口高度 */
+        transition: width 0.3s ease-in-out;
+    }
+
+    .ui-content {
+        flex: 1;
+        background: #d2fe8650;
+        padding: 10px;
+    }
+
+    .ui-header {
+        height: 50px;
+        background-color: #14ccff50;
+    }
+
+    .h-container {
+        display: flex;
+        flex-direction: row; /* 横向排列 */
+        align-items: center; /* 垂直居中对齐 */
+        justify-content: space-between; /* 左右撑开 */
+        width: 100%; /* 确保占满宽度 */
+        height: 50px;
+    }
+
+    .h-icon-menu {
+        height: 20px;
+        margin: 0 10px;
+    }
+    .h-icon-menu-hide {
+        display: block;
+    }
+
+    .h-icon-menu-show {
+        display: none;
+    }
+
+    .h-sys-name {
+        font-size: 20px;
+    }
+
+    .h-right-container {
+        display: flex;
+        align-items: center;
+        margin-left: auto;
+        height: 100%;
+    }
+
+    .h-notice {
+        display: flex;
+        align-items: center;
+    }
+
+    .h-user-info {
+        display: flex;
+        align-items: center;
+        margin: 0 10px;
+        height: 100%;
+    }
+
+    .h-user-avatar {
+        height: 100%;
+        display: flex;
+        align-items: center;
+    }
+
+    .h-user-avatar img {
+        border-radius: 50%;
+        width: 40px;
+        height: 40px;
+    }
+
+    .h-user-name {
+        margin: 0 10px;
+    }
+}
+
+body {
+    margin: 0;
+    padding: 0;
+    overflow: hidden;
+}
--- a/demo2/src/main/resources/static/css/login.css
+++ b/demo2/src/main/resources/static/css/login.css
@ -0,0 +1,38 @@
+body {
+    background-color: #f8f9fa;
+}
+
+.card {
+    border-radius: 10px;
+    border: none;
+}
+
+.card-title {
+    color: #495057;
+    font-weight: 600;
+}
+
+.btn-primary {
+    background-color: #0d6efd;
+    border: none;
+    padding: 10px;
+}
+
+.btn-primary:hover {
+    background-color: #0b5ed7;
+}
+
+.form-control {
+    padding: 12px;
+    border-radius: 5px;
+}
+
+.form-control:focus {
+    border-color: #86b7fe;
+    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+}
+
+.alert {
+    border-radius: 5px;
+    padding: 10px 15px;
+}
--- a/demo2/src/main/resources/templates/common/header.html
+++ b/demo2/src/main/resources/templates/common/header.html
@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html lang="en">
+<body>
+<div class="h-container">
+    <svg class="h-icon-menu h-icon-menu-show" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+        <path d="M11.776 899.072h1000.96v59.904H11.776zM12.8 65.024H1013.76v59.904H12.8zM10.24 473.088h636.416v59.904H10.24zM765.44 728.064l244.224-229.888-244.224-229.888z"></path>
+    </svg>
+    <svg class="h-icon-menu h-icon-menu-hide" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+        <path d="M11.264 64.512h1001.472v59.904H11.264zM10.24 899.072h1001.472v59.904H10.24zM376.32 490.496h636.928v59.904H376.32zM258.56 295.424l-244.736 230.4 244.736 229.888z"></path>
+    </svg>
+    <div class="h-sys-name">超级管理系统</div>
+    <div class="h-right-container">
+        <div class="h-notice">
+            <svg class="h-icon-menu" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+                <path d="M512 42.666667c63.637333 0 116.288 50.432 120.682667 114.005333 103.125333 46.058667 175.552 149.12 175.552 269.696v203.306667C867.477333 677.952 896 741.525333 896 820.458667c0 17.557333-15.36 32.896-32.917333 32.896H640l-0.085333 4.8A128 128 0 0 1 384 853.333333L160.917333 853.333333C143.36 853.333333 128 837.973333 128 820.437333c0-76.736 28.522667-142.506667 87.765333-190.741333v-203.306667c0-120.618667 72.426667-223.658667 175.552-269.717333C395.712 93.098667 448.362667 42.666667 512 42.666667z m64 810.688L448 853.333333l0.106667 3.754667A64 64 0 0 0 576 853.354667zM512 106.666667c-29.525333 0-54.741333 23.914667-56.832 54.421333l-2.645333 38.357333-35.114667 15.68c-83.072 37.077333-137.642667 119.104-137.642667 211.242667v233.749333l-23.594666 19.2c-35.136 28.608-55.744 65.173333-62.08 110.016h635.904l-1.066667-7.082666c-7.210667-41.962667-27.2-75.306667-61.098667-102.933334l-23.594666-19.2V426.368c0-92.16-54.570667-174.165333-137.642667-211.242667l-35.114667-15.68-2.645333-38.357333C566.741333 130.581333 541.525333 106.666667 512 106.666667z"></path>
+            </svg>
+        </div>
+        <div class="h-user-info">
+            <div class="h-user-name">maxiaofeng</div>
+            <div class="h-user-avatar">
+                <img src="https://picsum.photos/id/237/200/200" alt="">
+            </div>
+        </div>
+    </div>
+</div>
+</body>
+</html>
--- a/demo2/src/main/resources/templates/common/menu.html
+++ b/demo2/src/main/resources/templates/common/menu.html
@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+
+</body>
+</html>
--- a/demo2/src/main/resources/templates/index.html
+++ b/demo2/src/main/resources/templates/index.html
@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<html xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
+<head>
+    <meta charset="UTF-8">
+    <title layout:title-pattern="${contentTitle} - 我的应用">首页</title>
+    <link rel="stylesheet" th:href="@{/css/common/main.css}" href="../static/css/common/main.css">
+
+</head>
+<body>
+<div class="ui-menu" layout:insert="~{common/menu}">
+
+</div>
+<div class="ui-main-container">
+    <header class="ui-header">
+        <div layout:insert="~{common/header}">
+            <svg class="h-icon-menu h-icon-menu-hide" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+                <path d="M11.264 64.512h1001.472v59.904H11.264zM10.24 899.072h1001.472v59.904H10.24zM376.32 490.496h636.928v59.904H376.32zM258.56 295.424l-244.736 230.4 244.736 229.888z"></path>
+            </svg>
+            <svg class="h-icon-menu h-icon-menu-show" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+                <path d="M11.776 899.072h1000.96v59.904H11.776zM12.8 65.024H1013.76v59.904H12.8zM10.24 473.088h636.416v59.904H10.24zM765.44 728.064l244.224-229.888-244.224-229.888z"></path>
+            </svg>
+        </div>
+    </header>
+    <div class="ui-content" layout:fragment="content">
+    </div>
+</div>
+</body>
+<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+<script>$(document).ready(function () {
+  const $menu = $('.ui-menu');
+  const $mainContainer = $('.ui-main-container');
+  const $iconHide = $('.h-icon-menu-hide');
+  const $iconShow = $('.h-icon-menu-show');
+
+  // 初始状态：菜单显示
+  let isMenuVisible = true;
+
+  function updateLayout() {
+    if (isMenuVisible) {
+      $menu.css('width', '200px');
+      $mainContainer.css({
+        'margin-left': '200px',
+        'width': 'calc(100% - 200px)'
+      });
+    } else {
+      $menu.css('width', '0');
+      $mainContainer.css({
+        'margin-left': '0',
+        'width': '100%'
+      });
+    }
+  }
+
+  // 点击 hide 图标：隐藏菜单
+  $iconHide.on('click', function () {
+    isMenuVisible = false;
+    updateLayout();
+    $iconHide.hide();
+    $iconShow.show();
+  });
+
+  // 点击 show 图标：显示菜单
+  $iconShow.on('click', function () {
+    isMenuVisible = true;
+    updateLayout();
+    $iconShow.hide();
+    $iconHide.show();
+  });
+});
+</script>
+</html>
--- a/demo2/src/main/resources/templates/login.html
+++ b/demo2/src/main/resources/templates/login.html
@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org"
+      xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>登录 - 我的应用</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link th:href="@{/css/login.css}" rel="stylesheet">
+</head>
+<body class="bg-light">
+<div class="container">
+    <div class="row justify-content-center mt-5">
+        <div class="col-md-6 col-lg-4">
+            <div class="card shadow-sm">
+                <div class="card-body p-4">
+                    <div class="text-center mb-4">
+                        <h2 class="card-title">用户登录</h2>
+                    </div>
+
+                    <!-- 错误消息 -->
+                    <div th:if="${error}" class="alert alert-danger" role="alert">
+                        <span th:text="${error}"></span>
+                    </div>
+
+                    <!-- 注销消息 -->
+                    <div th:if="${message}" class="alert alert-success" role="alert">
+                        <span th:text="${message}"></span>
+                    </div>
+
+                    <!-- 登录表单 -->
+                    <form th:action="@{/login/postFrom}" method="post">
+                        <div class="mb-3">
+                            <label for="username" class="form-label">用户名</label>
+                            <input type="text" class="form-control" id="username" name="username"
+                                   placeholder="请输入用户名" required autofocus>
+                        </div>
+                        <div class="mb-3">
+                            <label for="password" class="form-label">密码</label>
+                            <input type="password" class="form-control" id="password" name="password"
+                                   placeholder="请输入密码" required>
+                        </div>
+                        <div class="d-grid gap-2 mb-3">
+                            <button type="submit" class="btn btn-primary">登录</button>
+                        </div>
+                        <div class="text-center">
+                            <a th:href="@{/register}" class="text-decoration-none">注册新账户</a>
+                            <span class="mx-2">|</span>
+                            <a href="#" class="text-decoration-none">忘记密码?</a>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+</body>
+</html>
--- a/demo2/src/test/java/top/yexuejc/demo/Demo2ApplicationTests.java
+++ b/demo2/src/test/java/top/yexuejc/demo/Demo2ApplicationTests.java
@ -0,0 +1,13 @@
+package top.yexuejc.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class Demo2ApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}