pom.xml ：配置

    			
     
      org.springframework.boot
     			
     
      spring-boot-starter-web
     	
           
               
       
        org.springframework.boot
                
       
        spring-boot-starter-logging
             
         
     		
    

application.properties 中：配置

logging.level.root=DEBUGlogging.config=classpath:logback-spring.xml

 resource下:新建

logback-spring.xml

      
          
             
      
               
                    
       
        %d - %msg%n
                 
            
           
               
                    
       
        ERROR
                     
       
        DENY
                     
       
        ACCEPT
                 
                
                    
       
        %msg%n
                 
                
                
                    
                     
       
        ${DEBUG_FILE_PATH}
                 
            
           
               
                    
       
        ERROR
                 
                
                    
       
        %msg%n
                 
                
                
                    
                     
       
        ${ERROR_FILE_PATH}