Java常用配置总结

maven资源过滤：

    
        
            
                src/main/resources
                
                    ***.xml
                
                true
            
            
                src/main/java
                
                    ***.xml
                
                true
            
        
    

mybatis-config.xml配置文件格式：

mybatis映射sql语句：

  
    select * from Blog where id = #{id}
  

mybatis工具类：

public class MybatisUtils {
    private static SqlSessionFactory sqlSessionFactory;
    static {
        try {
            String resource = "mybatis-config.xml";
            InputStream inputStream = Resources.getResourceAsStream(resource);
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static SqlSession getSqlSession(){
        return sqlSessionFactory.openSession();
    }
}

数据库配置文件db.properties：

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/spring?useSSL=true&useUnicode=true&characterEncoding=UTF-8
username=root
password=666666QIU