编写后端接收上传文件代码。

code/backend/RegulatoryManagementBackend/src/main/resources/log4j2.xml

@@ -4,7 +4,7 @@
             <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} ### %msg%n" />
             <ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY" />
         </Console>
-        <RollingFile name="rolling_file_win" 
+        <RollingFile name="rolling_file_win"
             filePattern="./logs/制度管理/$${date:yyyy-MM}/huixiabao-%d{MM-dd-yyyy}-%i.log.gz">
             <PatternLayout>
                 <Pattern>[%t][%level][%d{HH:mm:ss.SSS}][%logger.%M{36}#%L] %msg%n</Pattern>