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在hibernate中配置事务级别与命名查询配置【原创】

命名查询配置

</pre>
<div align="left"><hibernate-mapping package="b_lazy.one2many"></div>
<div align="left">     <class name="User" table="t_user"></div>
<div align="left">          <id name="id" column="id"></div>
<div align="left">              <generator class="native"></generator></div>
<div align="left">          </id></div>
<div align="left">          <property name="name" column="name"></property></div>
<div align="left">          <property name="password" column="password" ></property></div>
<div align="left">          <set name="addresss" cascade="all"  batch-size="4"></div>
<div align="left">              <key column="user_id"></key></div>
<div align="left">              <one-to-many class="Address" /></div>
<div align="left">          </set></div>
<div align="left">          <!-- 局部配置 --></div>
<div align="left">          <query name="b"><![CDATA[from User]]></query></div>
<div align="left">     </class></div>
<div align="left">     <!-- 全局配置 --></div>
<div align="left">     <query name="a"><![CDATA[from User]]></query></div>
<div align="left">
<div></hibernate-mapping></div>
<div></div>
<div align="left">@Test</div>
<div align="left">     //获取局部</div>
<div align="left">     public void test1() throws Exception {</div>
<div align="left">          Session session=HibernateUtil.getSession();</div>
<div align="left">          session.beginTransaction();</div>
<div align="left">          Query query=session.getNamedQuery("b_lazy.one2many.User.b");</div>
<div align="left">          List<User> list=query.list();</div>
<div align="left">          for (User user: list) {</div>
<div align="left">              System.out.println(user);</div>
<div align="left">          }</div>
<div align="left"></div>
<div align="left">          session.beginTransaction().commit();</div>
<div align="left">          session.close();</div>
<div align="left">
<div>     }</div>
</div>
<div align="left">     //获取全局</div>
<div align="left">     @Test</div>
<div align="left">     public void test2() throws Exception {</div>
<div align="left">          Session session=HibernateUtil.getSession();</div>
<div align="left">          session.beginTransaction();</div>
<div align="left">          Query query=session.getNamedQuery("a");</div>
<div align="left">          List<User> list=query.list();</div>
<div align="left">          for (User user: list) {</div>
<div align="left">              System.out.println(user);</div>
<div align="left">          }</div>
<div align="left"></div>
<div align="left">          session.beginTransaction().commit();</div>
<div align="left">          session.close();</div>
<div align="left">
<div>     }</div>
</div>
</div>
<pre>

注意：在获取局部配置的命名查询时要使用该类的完整包名

连接池配置

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