diff --git a/SpringBootMybatis/SpringBootMybatis/pom.xml b/SpringBootMybatis/SpringBootMybatis/pom.xml
index 3f7019d..2b6912f 100644
--- a/SpringBootMybatis/SpringBootMybatis/pom.xml
+++ b/SpringBootMybatis/SpringBootMybatis/pom.xml
@@ -57,19 +57,35 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
+            <!--下面的是黄海参考别人的代码加上去的，不使用Tomcat而使用Undertow-->
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-tomcat</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-devtools</artifactId>
-            <scope>runtime</scope>
-            <optional>true</optional>
+            <artifactId>spring-boot-starter-undertow</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!--数据库的依赖-->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.2.2</version>
+        </dependency>
+        <!--mysql驱动-->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.47</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/entity/Article.java b/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/entity/Article.java
new file mode 100644
index 0000000..bd45ecf
--- /dev/null
+++ b/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/entity/Article.java
@@ -0,0 +1,35 @@
+package com.wanman.springbootmybatis.entity;
+
+public class Article {
+    private int id;
+    private String title;
+    private String content;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String toString() {
+        return "id:" + id + " title:" + title + " content:" + content;
+    }
+}
diff --git a/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/mapper/ArticleMapper.java b/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/mapper/ArticleMapper.java
new file mode 100644
index 0000000..98c014c
--- /dev/null
+++ b/SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/mapper/ArticleMapper.java
@@ -0,0 +1,12 @@
+package com.wanman.springbootmybatis.mapper;
+
+import com.wanman.springbootmybatis.entity.Article;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+@Mapper
+public interface ArticleMapper {
+    //根据ID查询
+    @Select("select * from t_article where id = #{id}")
+    public Article getArticleById(int id);
+}
diff --git a/SpringBootMybatis/SpringBootMybatis/src/main/resources/application.properties b/SpringBootMybatis/SpringBootMybatis/src/main/resources/application.properties
index 2f758c7..a2c9628 100644
--- a/SpringBootMybatis/SpringBootMybatis/src/main/resources/application.properties
+++ b/SpringBootMybatis/SpringBootMybatis/src/main/resources/application.properties
@@ -1 +1,6 @@
 spring.application.name=SpringBootMybatis
+# ?????????
+spring.datasource.driver-class-name=com.mysql.jdbc.Driver
+spring.datasource.url=jdbc:mysql://10.10.14.210:22066/HuangHai_db?useUnicode=true&characterEncoding=utf-8&useSSL=false
+spring.datasource.username=root
+spring.datasource.password=DsideaL147258369
\ No newline at end of file
diff --git a/SpringBootMybatis/SpringBootMybatis/src/test/java/com/wanman/springbootmybatis/SpringBootMybatisApplicationTests.java b/SpringBootMybatis/SpringBootMybatis/src/test/java/com/wanman/springbootmybatis/SpringBootMybatisApplicationTests.java
index a2c380d..a03c5d5 100644
--- a/SpringBootMybatis/SpringBootMybatis/src/test/java/com/wanman/springbootmybatis/SpringBootMybatisApplicationTests.java
+++ b/SpringBootMybatis/SpringBootMybatis/src/test/java/com/wanman/springbootmybatis/SpringBootMybatisApplicationTests.java
@@ -1,13 +1,22 @@
 package com.wanman.springbootmybatis;
 
+import com.wanman.springbootmybatis.entity.Article;
+import com.wanman.springbootmybatis.mapper.ArticleMapper;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import javax.annotation.Resource;
+
 @SpringBootTest
 class SpringBootMybatisApplicationTests {
 
+    @Resource
+    private ArticleMapper articleMapper;
+
     @Test
     void contextLoads() {
+        Article brean = articleMapper.getArticleById(1);
+        System.out.println(brean);
     }
 
 }