测试是否可以写入

pom.xml

@@ -47,6 +47,11 @@
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-starter-openfeign</artifactId>
     </dependency>
+	<dependency>
+	    <groupId>org.apache.poi</groupId>
+	    <artifactId>poi</artifactId>
+	    <version>3.17</version>
+	</dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>