Spring 日志配置log4j.properties步骤:

1.首先在pom.xml打入依赖,代码如下

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

 2.在resources文件下建log4j.properties并打入如下代码

### set log levels ###
log4j.rootLogger = DEBUG,console,file

### 输出到控制台 ###
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.Threshold = DEBUG
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern = [%c]-%m%n

### 输出到日志文件 ###
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=./log/hou.log
log4j.appender.file.MaxFileSize=10mb 
log4j.appender.file.Threshold=DEBUG 
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=[%p][%d{yy-MM-dd}][%c]%m%n

# 日志输出级别
log4j.logger.org.mybatis=DEBUG
log4j.logger.java.sql=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.ResultSet=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

3.在mybatis-config.xml中写如下代码

<settings>
    <setting name="logImpl" value="LOG4J"/>
</settings>

 最后run了看控制台就出现日志了

在 运行后会自动生成一个log包,里面可以查看所有操作日志

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转载自blog.csdn.net/m0_62996549/article/details/129681961