springboot+mybatis+log4j2

package com.cn; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.annotation.MapperScan; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.core.env.Environment; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; import com.cn.controller.UserController; import javax.sql.DataSource; @EnableAutoConfiguration @SpringBootApplication @ComponentScan @MapperScan("com.cn.mapper") public class Application { // 获取properties的方法，以下两种方法比较方便 @Value("${mapper.path}") private String mapperPath; @Autowired private Environment env; private static final Logger logger = LogManager .getLogger(Application.class); // static { // // try { // // // 初始化log4j // // String log4jPath = Application.class.getClassLoader() // .getResource("").getPath() // + "log4j.properties"; // // System.out.println("初始化Log4j。。。。"); // // System.out.println("path is " + log4jPath); // // PropertyConfigurator.configure(log4jPath); // // } catch (Exception e) { // // e.printStackTrace(); // logger.error(e.toString()); // // } // // } // 它可以把同类的配置信息自动封装成实体类 @Bean @ConfigurationProperties(prefix = "spring.datasource") public DataSource dataSource() { return new org.apache.tomcat.jdbc.pool.DataSource(); } @Bean public SqlSessionFactory sqlSessionFactoryBean() throws Exception { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setDataSource(dataSource()); PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); // sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mybatis/*.xml")); sqlSessionFactoryBean.setMapperLocations(resolver .getResources(mapperPath)); logger.error("路径=" + mapperPath); logger.error("路径2=" + env.getProperty("mapper.path")); return sqlSessionFactoryBean.getObject(); } @Bean public PlatformTransactionManager transactionManager() { return new DataSourceTransactionManager(dataSource()); } /** * Start */ public static void main(String[] args) { SpringApplication.run(Application.class, args); logger.info("SpringBoot Start Success"); logger.debug("调试信息……"); logger.info("输出信息……"); logger.warn("警告信息……"); logger.error("错误信息……"); logger.fatal("随意打印……"); } }