OpenSessionInViewFilter 配置解決延遲加載

一、手動加載 如： 
 

Hibernate.initialize(obj.getUser());//加載用戶對象

二、使用OpenSessionInViewFilter 配置解決延遲加載 如：
 

 

<!--OpenSessionInViewFilter 解決延遲加載問題 -->
<filter>
<filter-name>OpenSessionInViewFilter</filter-name>
<filter-class> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter                </filter-class>
<!-- singleSession默認爲true,若設爲false則等於沒用OpenSessionInView -->
<init-param>
<param-name>singleSession</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>OpenSessionInViewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

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