content: package com.java2nb;
  
  import lombok.extern.slf4j.Slf4j;
  import org.mybatis.spring.annotation.MapperScan;
  import org.springframework.boot.CommandLineRunner;
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.boot.web.servlet.ServletComponentScan;
  import org.springframework.cache.annotation.EnableCaching;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.annotation.Bean;
  import org.springframework.transaction.annotation.EnableTransactionManagement;
  
  import javax.sql.DataSource;
  import java.net.InetAddress;
  import java.sql.Connection;
  
  
  @EnableTransactionManagement
  @ServletComponentScan
  @MapperScan("com.java2nb.*.dao")
  @SpringBootApplication(exclude = {
      org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class
  })
  @EnableCaching
  @Slf4j
  public class AdminApplication {
  
      public static void main(String[] args) {
          SpringApplication.run(AdminApplication.class, args);
      }
  
      @Bean
      public CommandLineRunner commandLineRunner(ApplicationContext ctx, DataSource dataSource) {
          return args -> {
              log.info("创建连接池...");
              try (Connection connection = dataSource.getConnection()) {
                  log.info("连接池已创建.");
                  log.info("数据库：{}", connection.getMetaData().getDatabaseProductName());
                  log.info("数据库版本：{}", connection.getMetaData().getDatabaseProductVersion());
              }
              log.info("项目启动啦，访问路径：{}",
                  "http://" + InetAddress.getLocalHost().getHostAddress() + ":" + ctx.getEnvironment()
                      .getProperty("server.port"));
          };
      }
  }
  