实现文件批量下载

pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.0.M7</version>
+		<version>2.0.0.RC2</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -56,6 +56,11 @@
 			<artifactId>spring-boot-starter-aop</artifactId>
 			<version>1.5.9.RELEASE</version>
 		</dependency>
+
+		<dependency>
+			<groupId>org.apache.ant</groupId>
+			<artifactId>ant</artifactId>
+		</dependency>
     </dependencies>