增加Mapper与Entity

pom.xml

@@ -83,6 +83,20 @@
             <artifactId>mysql-connector-java</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <!--mybatis-plus数据持久层-->
+        <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus -->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus</artifactId>
+            <version>3.3.1</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-autoconfigure -->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-autoconfigure</artifactId>
+            <version>2.1.2</version>
+        </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
         <dependency>
@@ -91,6 +105,14 @@
             <version>2.1.2</version>
         </dependency>
 
+
+        <!--druid数据连接池-->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>1.1.22</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>