1.安装vs2015.3
2.安装oracle DB（本机不部署服务器端可省略）
3.ODTwithODAC121024(这个是32位)其中有Oracle12c的客户端
4.oracle官网下载ODAC121024Xcopy_x64 将odp.net4\odp.net\managed\common\两个关于Entity Frameword的dll引用到项目
5.修改webconfig配置节
<entityFramework>
<defaultConnectionFactory type="Oracle.ManagedDataAccess.EntityFramework.OracleConnectionFactory,Oracle.ManagedDataAccess.EntityFramework,Version=6.121.2.0,Culture=neutral,PublicKeyToken=89b483f429c47342" />
<providers>
<provider invariantName="Oracle.ManagedDataAccess.Client" type="Oracle.ManagedDataAccess.EntityFramework.EFOracleProviderServices, Oracle.ManagedDataAccess.EntityFramework, Version=6.121.2.0, Culture=neutral, PublicKeyToken=89b483f429c47342" />
</providers>
</entityFramework>
<system.data>
<DbProviderFactories>
<remove invariant="Oracle.ManagedDataAccess.Client" />
<add name="ODP.NET, Managed Driver" invariant="Oracle.ManagedDataAccess.Client" description="Oracle Data Provider for .NET, Managed Driver" type="Oracle.ManagedDataAccess.Client.OracleClientFactory, Oracle.ManagedDataAccess, Version=4.121.2.0, Culture=neutral, PublicKeyToken=89b483f429c47342" />
</DbProviderFactories>
</system.data>
6.添加ASP.NET实体数据模型