博客园_Smartkid's binary lifehttp://feed.cnblogs.com/blog/u/24620/rss2011-04-10T14:50:35ZSmartkidhttp://www.cnblogs.com/smartkid/CNBlogs BlogServerhttp://www.cnblogs.com/smartkid/archive/2011/04/10/2011912.html自定义Entity Data Model生成的实体类的基类EntityDataModel 默认生成的实体类派生自 EntityObject: publicclassMyUser:EntityObject如果要定一个项目通用的基类，如：[代码]可以修改 tt 文件如下 (diff格式):[代码]这样就禁止了T4模板在生成代码中包含基类，然后手工在partial 类中定义基类。2011-04-10T14:51:00Z2011-04-10T14:51:00ZSmartkidhttp://www.cnblogs.com/smartkid/<p>EntityDataModel 默认生成的实体类派生自 EntityObject:</p><p></p><p><span style="font-family: 'Courier New'; font-size: 13px; "><span style="color: #0000FF;">public</span><span style="color: #000000;"> </span><span style="color: #0000FF;">class</span><span style="color: #000000;"> MyUser : EntityObject</span></span> </p><p>如果要定一个项目通用的基类，如：</p><div style="background-color: #F5F5F5;border: 1px solid #CCCCCC;padding-left:5px;padding-right:5px;"><div><span style="color: #0000FF;">public</span><span style="color: #000000;"> </span><span style="color: #0000FF;">class</span><span style="color: #000000;"> MyUser : MyEntityObjectBase <br /></span></div></div><p><font face="'Courier New'" size="2"><br /></font></p><p>可以修改 tt 文件如下 (diff格式):</p><p></p><div><div><div style="background-color: #F5F5F5;border: 1px solid #CCCCCC;padding-left:5px;padding-right:5px;"><div><span style="color: #000000;">@@ </span><span style="color: #000000;">-</span><span style="color: #800080;">315</span><span style="color: #000000;">,</span><span style="color: #800080;">7</span><span style="color: #000000;"> </span><span style="color: #000000;">+</span><span style="color: #800080;">315</span><span style="color: #000000;">,</span><span style="color: #800080;">7</span><span style="color: #000000;"> @@<br /> </span><span style="color: #000000;"><</span><span style="color: #000000;">#<br /> }<br /> #</span><span style="color: #000000;">></span><span style="color: #000000;"><br /></span><span style="color: #000000;">-<</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">Accessibility.ForType(entity)#</span><span style="color: #000000;">></span><span style="color: #000000;"> </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">code.SpaceAfter(code.AbstractOption(entity))#</span><span style="color: #000000;">></span><span style="color: #0000FF;">partial</span><span style="color: #000000;"> </span><span style="color: #0000FF;">class</span><span style="color: #000000;"> </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">code.Escape(entity)#</span><span style="color: #000000;">></span><span style="color: #000000;"> : </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">BaseTypeName(entity, code)#</span><span style="color: #000000;">></span><span style="color: #000000;"><br /></span><span style="color: #000000;">+<</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">Accessibility.ForType(entity)#</span><span style="color: #000000;">></span><span style="color: #000000;"> </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">code.SpaceAfter(code.AbstractOption(entity))#</span><span style="color: #000000;">></span><span style="color: #0000FF;">partial</span><span style="color: #000000;"> </span><span style="color: #0000FF;">class</span><span style="color: #000000;"> </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">code.Escape(entity)#</span><span style="color: #000000;">></span><span style="color: #000000;"> </span><span style="color: #000000;"><</span><span style="color: #000000;">#</span><span style="color: #000000;">=</span><span style="color: #000000;">BaseTypeName(entity, code)#</span><span style="color: #000000;">></span><span style="color: #000000;"><br /> {<br /> </span><span style="color: #000000;"><</span><span style="color: #000000;">#<br /> </span><span style="color: #0000FF;">if</span><span style="color: #000000;"> (</span><span style="color: #000000;">!</span><span style="color: #000000;">entity.Abstract)<br />@@ </span><span style="color: #000000;">-</span><span style="color: #800080;">1022</span><span style="color: #000000;">,</span><span style="color: #800080;">7</span><span style="color: #000000;"> </span><span style="color: #000000;">+</span><span style="color: #800080;">1022</span><span style="color: #000000;">,</span><span style="color: #800080;">7</span><span style="color: #000000;"> @@<br /> <br /> </span><span style="color: #0000FF;">string</span><span style="color: #000000;"> BaseTypeName(EntityType entity, CodeGenerationTools code)<br /> {<br /></span><span style="color: #000000;">-</span><span style="color: #000000;"> </span><span style="color: #0000FF;">return</span><span style="color: #000000;"> entity.BaseType </span><span style="color: #000000;">==</span><span style="color: #000000;"> </span><span style="color: #0000FF;">null</span><span style="color: #000000;"> </span><span style="color: #000000;">?</span><span style="color: #000000;"> </span><span style="color: #800000;">"</span><span style="color: #800000;">EntityObject</span><span style="color: #800000;">"</span><span style="color: #000000;"> : MultiSchemaEscape((StructuralType)entity.BaseType, code);<br /></span><span style="color: #000000;">+</span><span style="color: #000000;"> </span><span style="color: #0000FF;">return</span><span style="color: #000000;"> entity.BaseType </span><span style="color: #000000;">==</span><span style="color: #000000;"> </span><span style="color: #0000FF;">null</span><span style="color: #000000;"> </span><span style="color: #000000;">?</span><span style="color: #000000;"> String.Empty : </span><span style="color: #800000;">"</span><span style="color: #800000;">: </span><span style="color: #800000;">"</span><span style="color: #000000;"> </span><span style="color: #000000;">+</span><span style="color: #000000;"> MultiSchemaEscape((StructuralType)entity.BaseType, code);<br /> }<br /> </span></div></div></div></div><p></p><p>这样就禁止了T4模板在生成代码中包含基类，然后手工在partial 类中定义基类。</p><img src="http://www.cnblogs.com/smartkid/aggbug/2011912.html?type=1" width="1" height="1" alt=""/><p><a href="http://www.cnblogs.com/smartkid/archive/2011/04/10/2011912.html" target="_blank">本文链接</a></p>http://www.cnblogs.com/smartkid/archive/2008/06/29/1231855.htmlDetect if the UnitTest is running and fix the AppDomain.BaseDirectory in VS 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