diff --git a/javase/src/main/java/com/hongyi/day24/ProxyTest.java b/javase/src/main/java/com/hongyi/day24/ProxyTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..3f9ff909c8fa7a7e6116890d1d095f14f5af58c0
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/day24/ProxyTest.java
@@ -0,0 +1,81 @@
+package com.hongyi.day24;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:14
+ * @Version 1.0
+ */
+
+interface Human {
+    String getBelief();
+
+    void eat(String food);
+}
+
+// 被代理类
+class SuperMan implements Human {
+
+    @Override
+    public String getBelief() {
+        return "I believe I can fly!";
+    }
+
+    @Override
+    public void eat(String food) {
+        System.out.println("I like eating " + food);
+    }
+}
+
+// 代理类的工厂
+class ProxyFactory {
+    /**
+     * 通过被代理类对象 动态获取 代理类对象
+     * @param obj 被代理类的对象
+     * @return 代理类对象
+     */
+    public static Object getProxyInstance(Object obj) {
+        MyInvocationHandler handler = new MyInvocationHandler();
+        handler.bind(obj);
+        return Proxy.newProxyInstance(
+                obj.getClass().getClassLoader(),
+                obj.getClass().getInterfaces(),
+                handler
+        );
+    }
+}
+
+class MyInvocationHandler implements InvocationHandler {
+
+    private Object obj;
+
+    public void bind(Object obj) {
+        this.obj = obj;
+    }
+
+    /**
+     * 当通过代理类的对象，调用方法A时，就会动态调用这个方法
+     * @param proxy 代理类对象
+     * @param method 要调用的代理类对象的方法
+     * @param args 方法参数
+     * @return
+     * @throws Throwable
+     */
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        return method.invoke(obj, args);
+    }
+
+}
+
+public class ProxyTest {
+    public static void main(String[] args) {
+        // 代理类对象
+        Human proxyInstance = (Human) ProxyFactory.getProxyInstance(new SuperMan());
+        System.out.println(proxyInstance.getBelief());
+        proxyInstance.eat("banana");
+    }
+}
diff --git a/javase/src/main/java/com/hongyi/proxy/Human.java b/javase/src/main/java/com/hongyi/proxy/Human.java
new file mode 100644
index 0000000000000000000000000000000000000000..969a96ca2123ece0ddf0482f7979a854dd5fc057
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/proxy/Human.java
@@ -0,0 +1,12 @@
+package com.hongyi.proxy;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:44
+ * @Version 1.0
+ */
+public interface Human {
+    String getBelief();
+
+    void eat(String food);
+}
diff --git a/javase/src/main/java/com/hongyi/proxy/MyInvocationHandler.java b/javase/src/main/java/com/hongyi/proxy/MyInvocationHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..fbb5dd57b44f309c12a28f73e1cb8543641e125e
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/proxy/MyInvocationHandler.java
@@ -0,0 +1,32 @@
+package com.hongyi.proxy;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:45
+ * @Version 1.0
+ */
+class MyInvocationHandler implements InvocationHandler {
+
+    private Object obj;
+
+    public void bind(Object obj) {
+        this.obj = obj;
+    }
+
+    /**
+     * 当通过代理类的对象，调用方法A时，就会动态调用这个方法
+     * @param proxy 代理类对象
+     * @param method 要调用的代理类对象的方法
+     * @param args 方法参数
+     * @return
+     * @throws Throwable
+     */
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        return method.invoke(obj, args);
+    }
+
+}
diff --git a/javase/src/main/java/com/hongyi/proxy/ProxyFactory.java b/javase/src/main/java/com/hongyi/proxy/ProxyFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..d000d320541813124b8dd5001c3568f0eca9e8cc
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/proxy/ProxyFactory.java
@@ -0,0 +1,26 @@
+package com.hongyi.proxy;
+
+import java.lang.reflect.Proxy;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:45
+ * @Version 1.0
+ */
+// 代理类的工厂
+class ProxyFactory {
+    /**
+     * 通过被代理类对象 动态获取 代理类对象
+     * @param obj 被代理类的对象
+     * @return 代理类对象
+     */
+    public static Object getProxyInstance(Object obj) {
+        return Proxy.newProxyInstance(
+                obj.getClass().getClassLoader(),
+                obj.getClass().getInterfaces(),
+                (proxy, method, args) -> {
+                    return method.invoke(obj, args);
+                }
+        );
+    }
+}
diff --git a/javase/src/main/java/com/hongyi/proxy/ProxyTest.java b/javase/src/main/java/com/hongyi/proxy/ProxyTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..60845744c858f4b4f3bf5c243e086b800631fc6d
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/proxy/ProxyTest.java
@@ -0,0 +1,16 @@
+package com.hongyi.proxy;
+
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:44
+ * @Version 1.0
+ */
+public class ProxyTest {
+    public static void main(String[] args) {
+        // 代理类对象
+        Human proxyInstance = (Human) ProxyFactory.getProxyInstance(new SuperMan());
+        System.out.println(proxyInstance.getBelief());
+        proxyInstance.eat("banana");
+    }
+}
diff --git a/javase/src/main/java/com/hongyi/proxy/SuperMan.java b/javase/src/main/java/com/hongyi/proxy/SuperMan.java
new file mode 100644
index 0000000000000000000000000000000000000000..7d38bf96e95baf2661f70ec8000e7eed1a3d119f
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/proxy/SuperMan.java
@@ -0,0 +1,19 @@
+package com.hongyi.proxy;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/21 11:44
+ * @Version 1.0
+ */
+// 被代理类
+public class SuperMan implements Human{
+    @Override
+    public String getBelief() {
+        return "I believe I can fly!";
+    }
+
+    @Override
+    public void eat(String food) {
+        System.out.println("I like eating " + food);
+    }
+}
diff --git a/javase/src/main/java/com/hongyi/test/InvokeTest.java b/javase/src/main/java/com/hongyi/test/InvokeTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..d794043f0329fbe3a5b4b8b00d71726e5a6fe786
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/test/InvokeTest.java
@@ -0,0 +1,27 @@
+package com.hongyi.test;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/20 18:00
+ * @Version 1.0
+ */
+public class InvokeTest {
+
+    public void test(String[] arg){
+        for (String string : arg) {
+            System.out.println(string);
+        }
+    }
+
+    public static void main(String[] args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+        Class<InvokeTest> clazz = InvokeTest.class;
+        String[] s = new String[]{"Hello","World"};
+        // test: 方法名
+        // String[].class: test方法的形参类型
+        Method method = clazz.getMethod("test", String[].class);
+        method.invoke(new InvokeTest(), (Object) s);
+    }
+}
diff --git a/javase/src/main/java/com/hongyi/test/Test.java b/javase/src/main/java/com/hongyi/test/Test.java
new file mode 100644
index 0000000000000000000000000000000000000000..8d245140d1fd1746e1d9db1bb86f5d6ae7d8f390
--- /dev/null
+++ b/javase/src/main/java/com/hongyi/test/Test.java
@@ -0,0 +1,21 @@
+package com.hongyi.test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/20 16:38
+ * @Version 1.0
+ */
+public class Test {
+    public static void main(String[] args) {
+        ArrayList<Integer> arrayList = new ArrayList<Integer>();
+        arrayList.add(123);
+        System.out.println(arrayList);
+        Map<String, String> map = new HashMap<>();
+        map.put(null, null);
+        System.out.println(map);
+    }
+}
diff --git a/ssm/ssm_demo/pom.xml b/ssm/ssm_demo/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d224e4df60a35fd879cc8cb7f05383b89fc56fe6
--- /dev/null
+++ b/ssm/ssm_demo/pom.xml
@@ -0,0 +1,99 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.hongyi</groupId>
+  <artifactId>ssm_demo</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>war</packaging>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.22</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-webmvc</artifactId>
+      <version>5.2.10.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-jdbc</artifactId>
+      <version>5.2.10.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-test</artifactId>
+      <version>5.2.10.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.mybatis</groupId>
+      <artifactId>mybatis</artifactId>
+      <version>3.5.6</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.mybatis</groupId>
+      <artifactId>mybatis-spring</artifactId>
+      <version>1.3.0</version>
+    </dependency>
+
+    <dependency>
+      <groupId>mysql</groupId>
+      <artifactId>mysql-connector-java</artifactId>
+      <version>5.1.47</version>
+    </dependency>
+
+    <dependency>
+      <groupId>com.alibaba</groupId>
+      <artifactId>druid</artifactId>
+      <version>1.1.16</version>
+    </dependency>
+
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>javax.servlet-api</artifactId>
+      <version>3.1.0</version>
+    </dependency>
+
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>2.9.10</version>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.11</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.tomcat.maven</groupId>
+        <artifactId>tomcat7-maven-plugin</artifactId>
+        <version>2.1</version>
+        <configuration>
+          <port>80</port>
+          <path>/</path>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/config/JdbcConfig.java b/ssm/ssm_demo/src/main/java/com/hongyi/config/JdbcConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..a96baf5f77ff4e20c9157777c106567d1a9e8bdf
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/config/JdbcConfig.java
@@ -0,0 +1,37 @@
+package com.hongyi.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+
+import javax.sql.DataSource;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 13:56
+ * @Version 1.0
+ */
+
+public class JdbcConfig {
+    @Value("${jdbc.driver}")
+    private String driver;
+
+    @Value("${jdbc.url}")
+    private String url;
+
+    @Value("${jdbc.username}")
+    private String username;
+
+    @Value("${jdbc.password}")
+    private String password;
+
+    @Bean
+    public DataSource dataSource() {
+        DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setDriverClassName(driver);
+        dataSource.setUrl(url);
+        dataSource.setUsername(username);
+        dataSource.setPassword(password);
+        return dataSource;
+    }
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/config/MybatisConfig.java b/ssm/ssm_demo/src/main/java/com/hongyi/config/MybatisConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..009cb4ef7b821f7099e09fbe10bd1819b8cd1b98
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/config/MybatisConfig.java
@@ -0,0 +1,31 @@
+package com.hongyi.config;
+
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.mybatis.spring.mapper.MapperScannerConfigurer;
+import org.springframework.context.annotation.Bean;
+
+import javax.sql.DataSource;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 13:56
+ * @Version 1.0
+ */
+public class MybatisConfig {
+
+    @Bean
+    public SqlSessionFactoryBean sqlSessionFactoryBean(DataSource dataSource) {
+        SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
+        // 设置数据源
+        factoryBean.setDataSource(dataSource);
+        factoryBean.setTypeAliasesPackage("com.hongyi.domain");
+        return factoryBean;
+    }
+
+    @Bean
+    public MapperScannerConfigurer mapperScannerConfigurer() {
+        MapperScannerConfigurer msc = new MapperScannerConfigurer();
+        msc.setBasePackage("com.hongyi.dao");
+        return msc;
+    }
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/config/ServletConfig.java b/ssm/ssm_demo/src/main/java/com/hongyi/config/ServletConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..97b425bd03b1b545fd3825151799fa52d96389b3
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/config/ServletConfig.java
@@ -0,0 +1,25 @@
+package com.hongyi.config;
+
+import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 14:13
+ * @Version 1.0
+ */
+public class ServletConfig extends AbstractAnnotationConfigDispatcherServletInitializer {
+    @Override
+    protected Class<?>[] getRootConfigClasses() {
+        return new Class[]{SpringConfig.class};
+    }
+
+    @Override
+    protected Class<?>[] getServletConfigClasses() {
+        return new Class[]{SpringMvcConfig.class};
+    }
+
+    @Override
+    protected String[] getServletMappings() {
+        return new String[]{"/"};
+    }
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringConfig.java b/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..242d87377f32ccde7d90ccfd5cbf8d1ee9179d36
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringConfig.java
@@ -0,0 +1,19 @@
+package com.hongyi.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.context.annotation.PropertySource;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 13:55
+ * @Version 1.0
+ */
+@Configuration
+@ComponentScan({"com.hongyi.service"})
+@PropertySource("jdbc.properties")
+@Import({JdbcConfig.class, MybatisConfig.class})
+public class SpringConfig {
+
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringMvcConfig.java b/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringMvcConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..8221b93ba7bb722e25e04eeb5b439e879c6d651d
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/config/SpringMvcConfig.java
@@ -0,0 +1,17 @@
+package com.hongyi.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 14:14
+ * @Version 1.0
+ */
+@Configuration
+@ComponentScan("com.hongyi.controller")
+@EnableWebMvc
+public class SpringMvcConfig {
+
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/controller/BookController.java b/ssm/ssm_demo/src/main/java/com/hongyi/controller/BookController.java
new file mode 100644
index 0000000000000000000000000000000000000000..7f3489b23dd91faaba0bc829c0341b6aef2136cc
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/controller/BookController.java
@@ -0,0 +1,45 @@
+package com.hongyi.controller;
+
+import com.hongyi.domain.Book;
+import com.hongyi.service.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 15:05
+ * @Version 1.0
+ */
+@RestController
+@RequestMapping("/books")
+public class BookController {
+    @Autowired
+    private BookService bookService;
+
+    @PostMapping
+    public boolean save(@RequestBody Book book) {
+        return bookService.save(book);
+    }
+
+    @PutMapping
+    public boolean update(@RequestBody Book book) {
+        return bookService.update(book);
+    }
+
+    @DeleteMapping("/{id}")
+    public boolean delete(@PathVariable Integer id) {
+        return bookService.delete(id);
+    }
+
+    @GetMapping("/{id}")
+    public Book getById(@PathVariable Integer id) {
+        return bookService.getById(id);
+    }
+
+    @GetMapping
+    public List<Book> getAll() {
+        return bookService.getAll();
+    }
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/dao/BookDao.java b/ssm/ssm_demo/src/main/java/com/hongyi/dao/BookDao.java
new file mode 100644
index 0000000000000000000000000000000000000000..a0906ad613f2582bad609b79b535a6e6f41b684c
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/dao/BookDao.java
@@ -0,0 +1,33 @@
+package com.hongyi.dao;
+
+import com.hongyi.domain.Book;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 15:04
+ * @Version 1.0
+ */
+@Repository
+public interface BookDao {
+    @Insert("INSERT INTO tbl_book VALUES (null, #{type}, #{name}, #{description})")
+    public void save(Book book);
+
+    @Update("UPDATE tbl_book SET type=#{type}, name=#{name}, description=#{description} WHERE id=#{id}")
+    public void update(Book book);
+
+    @Delete("DELETE FROM tbl_book WHERE id=#{id}")
+    public void delete(Integer id);
+
+    @Select("SELECT * FROM tbl_book WHERE id=#{id}")
+    public Book getById(Integer id);
+
+    @Select("SELECT * FROM tbl_book")
+    public List<Book> getAll();
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/domain/Book.java b/ssm/ssm_demo/src/main/java/com/hongyi/domain/Book.java
new file mode 100644
index 0000000000000000000000000000000000000000..8cd4ecede78640bbefaaf0f21fc414ae59a4bb02
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/domain/Book.java
@@ -0,0 +1,18 @@
+package com.hongyi.domain;
+
+import lombok.Data;
+import lombok.ToString;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 15:02
+ * @Version 1.0
+ */
+@Data
+@ToString
+public class Book {
+    private Integer id;
+    private String type;
+    private String name;
+    private String description;
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/service/BookService.java b/ssm/ssm_demo/src/main/java/com/hongyi/service/BookService.java
new file mode 100644
index 0000000000000000000000000000000000000000..733be1eac528cd2a0b5192b1d995816e362bfecb
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/service/BookService.java
@@ -0,0 +1,28 @@
+package com.hongyi.service;
+
+import com.hongyi.domain.Book;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 15:04
+ * @Version 1.0
+ */
+@Service
+public interface BookService {
+    public boolean save(Book book);
+
+    public boolean update(Book book);
+
+    public boolean delete(Integer id);
+
+    public Book getById(Integer id);
+
+    public List<Book> getAll();
+}
diff --git a/ssm/ssm_demo/src/main/java/com/hongyi/service/impl/BookServiceImpl.java b/ssm/ssm_demo/src/main/java/com/hongyi/service/impl/BookServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..6d6883a962f0644430b6f7180f317d41cadf226b
--- /dev/null
+++ b/ssm/ssm_demo/src/main/java/com/hongyi/service/impl/BookServiceImpl.java
@@ -0,0 +1,47 @@
+package com.hongyi.service.impl;
+
+import com.hongyi.dao.BookDao;
+import com.hongyi.domain.Book;
+import com.hongyi.service.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.List;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2023/6/24 15:04
+ * @Version 1.0
+ */
+public class BookServiceImpl implements BookService {
+
+    @Autowired
+    private BookDao bookDao;
+
+    @Override
+    public boolean save(Book book) {
+        bookDao.save(book);
+        return true;
+    }
+
+    @Override
+    public boolean update(Book book) {
+        bookDao.update(book);
+        return true;
+    }
+
+    @Override
+    public boolean delete(Integer id) {
+        bookDao.delete(id);
+        return true;
+    }
+
+    @Override
+    public Book getById(Integer id) {
+        return bookDao.getById(id);
+    }
+
+    @Override
+    public List<Book> getAll() {
+        return bookDao.getAll();
+    }
+}
diff --git a/ssm/ssm_demo/src/main/resources/jdbc.properties b/ssm/ssm_demo/src/main/resources/jdbc.properties
new file mode 100644
index 0000000000000000000000000000000000000000..a9d42617247d5c7cb465456ffaa511348d3e1547
--- /dev/null
+++ b/ssm/ssm_demo/src/main/resources/jdbc.properties
@@ -0,0 +1,4 @@
+jdbc.driver=com.mysql.jdbc.Driver
+jdbc.url=jdbc:mysql://localhost:3306/ssm_db
+jdbc.username=root
+jdbc.password=root
\ No newline at end of file
diff --git a/ssm/ssm_demo/src/main/webapp/WEB-INF/web.xml b/ssm/ssm_demo/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000000000000000000000000000000000..9f88c1f9632445500e3b3688fe477b860f77d8f2
--- /dev/null
+++ b/ssm/ssm_demo/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,7 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+</web-app>
diff --git a/ssm/ssm_demo/src/main/webapp/index.jsp b/ssm/ssm_demo/src/main/webapp/index.jsp
new file mode 100644
index 0000000000000000000000000000000000000000..c38169bb958579c635a5c09ee2f379cc5956c0c2
--- /dev/null
+++ b/ssm/ssm_demo/src/main/webapp/index.jsp
@@ -0,0 +1,5 @@
+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>