pom.xl 裡新增依賴包：

  <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
    <dependency>
       <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
       <version>1.7.25</version>
     </dependency>
         <!-- https://mvnrepository.com/artifact/log4j/log4j -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
        <!-- https://mvnrepository.com/artifact/org.slf4j/jcl-over-slf4j -->
     <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>jcl-over-slf4j</artifactId>
   <version>1.7.25</version>
    </dependency>
           <!-- https://mvnrepository.com/artifact/ch.qos.logback/logback-classic -->
    <dependency>
      <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
      <version>1.2.3</version>
       <!--<scope>test</scope> -->
    </dependency>
           <!-- https://mvnrepository.com/artifact/ch.qos.logback/logback-core -->
   <dependency>
 <groupId>ch.qos.logback</groupId>
  <artifactId>logback-core</artifactId>
  <version>1.2.3</version>
   </dependency>
           <!-- https://mvnrepository.com/artifact/ch.qos.logback/logback-access -->
<dependency>
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-access</artifactId>
   <version>1.2.3</version>
</dependency>

在src/main/resource目錄下建立 ：logback.xml 即可

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="1 seconds">
   <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
       <resEYJUL>true</resEYJUL>
   </contextListener>
   <jmxConfigurator/>
   <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
   
   <encoder>
    <parttern>logbak: %d{HH:mm:ss.SSSS} %loger{36} - %msg%n</parttern>
   </encoder>
   </appender>
   <logger name="org.springframework.web" level="DEBUG"></logger>
   <root level="info">
       <appender-ref ref="console"/>
   </root>
</configuration>