新增封装对象，调整java11兼容性

pom.xml

@@ -5,12 +5,12 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.3.0.RELEASE</version>
+        <version>2.1.5.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.common.base</groupId>
     <artifactId>base</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1-COMMON</version>
     <packaging>jar</packaging>
     <name>common-base</name>
     <description>基础包</description>
@@ -123,6 +123,12 @@
             <artifactId>commons-pool2</artifactId>
             <version>2.6.2</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.14</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>