Revert "v2.2后端管理移除jpa，升级为mybaitisplus"

This reverts merge request !6

pom.xml

@@ -7,7 +7,7 @@
     <groupId>co.yixiang</groupId>
     <artifactId>yshop</artifactId>
     <packaging>pom</packaging>
-    <version>2.2</version>
+    <version>2.1</version>
 
     <modules>
         <module>yshop-common</module>
@@ -18,7 +18,6 @@
         <module>yshop-api</module>
         <module>yshop-mp</module>
         <module>yshop-shop</module>
-        <module>yshop-mproot</module>
     </modules>
 
     <name>YSHOP商城管理系统</name>
@@ -126,17 +125,12 @@
             <artifactId>swagger-models</artifactId>
             <version>1.5.21</version>
         </dependency>
-    <!--    <dependency>
+        <dependency>
             <groupId>com.github.xiaoymin</groupId>
             <artifactId>swagger-bootstrap-ui</artifactId>
             <version>1.9.6</version>
-        </dependency>-->
-        <!--单应用-->
-        <dependency>
-            <groupId>com.github.xiaoymin</groupId>
-            <artifactId>knife4j-spring-boot-starter</artifactId>
-            <version>2.0.1</version>
         </dependency>
+
         <!--Mysql依赖包-->
         <dependency>
             <groupId>mysql</groupId>