编程模型从命令式升级为函数式

pom.xml

@@ -6,7 +6,7 @@
     <groupId>top.fjy8018</groupId>
     <artifactId>cloud-stream</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-    <packaging>jar</packaging>
+    <packaging>pom</packaging>
 
     <name>cloud-stream</name>
     <description>Demo project for Spring Boot</description>
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.5.RELEASE</version>
+        <version>2.4.2</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -27,7 +27,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <spring-cloud.version>Finchley.SR1</spring-cloud.version>
+        <spring-cloud.version>2020.0.1</spring-cloud.version>
         <project.version>0.0.1-SNAPSHOT</project.version>
     </properties>