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<properties>
<slf4j.version>1.7.12</slf4j.version>
</properties>
<!-- 日志 --> <dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
二、resource文件夹添加log4j.properties
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# Output pattern : date [thread] priority category - messagelog4j.rootLogger=INFO, Console,RollingFile#Console(write to console)log4j.appender.Console=org.apache.log4j.ConsoleAppenderlog4j.appender.Console.layout=org.apache.log4j.PatternLayoutlog4j.appender.Console.layout.ConversionPattern=%d %-5p [%c] - %m%n #RollingFile(write to file /logs/hr.log)log4j.appender.RollingFile=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.RollingFile.File=C:/logs/hr.loglog4j.appender.RollingFile.layout=org.apache.log4j.PatternLayoutlog4j.appender.RollingFile.layout.ConversionPattern=%d %-5p [%c] - %m%nlog4j.logger.com.ibatis=DEBUG log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=INFO log4j.logger.com.ibatis.common.jdbc.ScriptRunner=INFO log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=INFO log4j.logger.java.sql.Connection=INFO log4j.logger.java.sql.Statement=INFO log4j.logger.java.sql.PreparedStatement=INFO log4j.logger.java.sql.ResultSet=INFO三、写日志
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protected static Logger logger = LoggerFactory.getLogger(LoginSevice.class);
logger.info("helloMvc-Service");