Spring 5 如何使用Log4jConfigListener

使用Log4jConfigListener来配置Spring 5的日志

xml
    log4j
    log4j
    1.2.17

xml
    org.springframework.web.util.Log4jConfigListener

properties
# 设置日志输出的格式
log4j.appender.console.layout.ConversionPattern=%d [%t] %-5p %c - %m
# 设置日志输出的位置
log4j.appender.console=org.apache.log4j.ConsoleAppender
# 设置日志级别
log4j.rootLogger=DEBUG, console

xml
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:log4j="http://www.springframework.org/schema/log4j"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context.xsd
            http://www.springframework.org/schema/log4j
            http://www.springframework.org/schema/log4j/spring-log4j.xsd">
    
    
    
    
    ...

properties
# 设置根Logger的级别为DEBUG
log4j.rootLogger=DEBUG, console
# 设置org.springframework包路径下的日志级别为INFO
log4j.logger.org.springframework=INFO
# 设置com.example包路径下的日志级别为DEBUG
log4j.logger.com.example=DEBUG

java
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.apache.log4j.Logger;
@RestController
public class LogController {
    
    private static final Logger logger = Logger.getLogger(LogController.class);
    
    @GetMapping("/log")
    public String log() {
        logger.debug("This is a debug log");
        logger.info("This is an info log");
        logger.warn("This is a warn log");
        logger.error("This is an error log");
        return "Log";
    }
}