基于Hibernate中配置文件的学习(分享)

<!DOCTYPE hibernate-configuration PUBLIC
  "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
  "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
  <!-- 通常，一个session-factory节点代表一个数据库 -->
  <session-factory>
  
    <!-- 1. 数据库连接配置 -->
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">jdbc:mysql:///day17</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.connection.password">root</property>
    <!-- 
      数据库方法配置， hibernate在运行的时候，会根据不同的方言生成符合当前数据库语法的sql
     -->
    <property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>
    
    
    <!-- 2. 其他相关配置 -->
    <!-- 2.1 显示hibernate在运行时候执行的sql语句 -->
    <property name="hibernate.show_sql">true</property>
    <!-- 2.2 格式化sql -->
    <property name="hibernate.format_sql">true</property>
    <!-- 2.3 自动建表 -->
    <property name="hibernate.hbm2ddl.auto">update</property>
    
    
    <!-- 3. 加载所有映射 -->
    <mapping resource="cn/itcast/entity/Employee.hbm.xml"/>
    
  </session-factory>
</hibernate-configuration>

 <!-- 3. 加载所有映射 -->
<mapping resource="cn/itcast/entity/Employee.hbm.xml"/>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
  "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
  "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.itcast.entity">
  
  <class name="Employee" table="employee">
    
    <!-- 主键 ，映射-->
    <id name="empId" column="id">
      <generator class="native"/>
    </id>
    
    <!-- 非主键，映射 -->
    <property name="empName" column="name"></property>
    <property name="workDate" column="workDate"></property>
    
  </class>

</hibernate-mapping>