mybatis小试牛刀 在此基础上添加log日志。
0x01 测试控制台的显示内容
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| User(id=1, name=TOM, age=12, gender=0) User(id=2, name=JON, age=13, gender=1) User(id=3, name=King, age=11, gender=0)
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0x02 增加日志输出
根据官方文档显示,支持的log有很多实现,这里使用Slf4j + Logback 多组合。
- 根据之前的项目,这里偷懒重新创建一个项目并把之前的代码都复制过来。
- 添加maven依赖。
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| <properties> <mybatis.version>3.5.0</mybatis.version> <junit.version>4.12</junit.version> <lmbok.version>1.18.4</lmbok.version> <mysql.version>5.1.47</mysql.version> <h2.version>1.4.197</h2.version> <slf4j.version>1.7.25</slf4j.version> <logback.version>1.2.3</logback.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties>
<dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency>
<dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>${logback.version}</version> </dependency>
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| <configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder> <pattern>z201.github.cn %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender>
<root level="debug"> <appender-ref ref="STDOUT" /> </root> </configuration>
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| z201.github.cn 15:08:30.046 [main] DEBUG org.apache.ibatis.logging.LogFactory - Logging initialized using 'class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter. z201.github.cn 15:08:30.049 [main] DEBUG org.apache.ibatis.logging.LogFactory - Logging initialized using 'class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter. z201.github.cn 15:08:30.076 [main] DEBUG o.a.i.d.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. z201.github.cn 15:08:30.076 [main] DEBUG o.a.i.d.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. z201.github.cn 15:08:30.076 [main] DEBUG o.a.i.d.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. z201.github.cn 15:08:30.076 [main] DEBUG o.a.i.d.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. z201.github.cn 15:08:30.155 [main] DEBUG o.a.i.t.jdbc.JdbcTransaction - Opening JDBC Connection z201.github.cn 15:08:30.356 [main] DEBUG o.a.i.d.pooled.PooledDataSource - Created connection 1839168128. z201.github.cn 15:08:30.356 [main] DEBUG o.a.i.t.jdbc.JdbcTransaction - Setting autocommit to false on JDBC Connection [conn0: url=jdbc:h2:mem:mybatis_learning_01_db user=ROOT] z201.github.cn 15:08:30.358 [main] DEBUG c.z201.mybatis.learning.UserDao.list - ==> Preparing: SELECT * FROM `user` z201.github.cn 15:08:30.384 [main] DEBUG c.z201.mybatis.learning.UserDao.list - ==> Parameters: z201.github.cn 15:08:30.411 [main] DEBUG c.z201.mybatis.learning.UserDao.list - <== Total: 3 z201.github.cn 15:08:30.414 [main] DEBUG o.a.i.t.jdbc.JdbcTransaction - Resetting autocommit to true on JDBC Connection [conn0: url=jdbc:h2:mem:mybatis_learning_01_db user=ROOT] z201.github.cn 15:08:30.415 [main] DEBUG o.a.i.t.jdbc.JdbcTransaction - Closing JDBC Connection [conn0: url=jdbc:h2:mem:mybatis_learning_01_db user=ROOT] z201.github.cn 15:08:30.415 [main] DEBUG o.a.i.d.pooled.PooledDataSource - Returned connection 1839168128 to pool. User(id=1, name=TOM, age=12, gender=0) User(id=2, name=JON, age=13, gender=1) User(id=3, name=King, age=11, gender=0) z201.github.cn 15:08:30.416 [main] DEBUG cn.z201.mybatis.test.MybatisTest01 - end...
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