打开Developer Command Prompt for VS20** 命令工具
路径：点击开始-》所有程序-》Microsoft Visual Studio 20** -》Visual Studio Tools-》Developer Command Prompt for VS20**
输入命令：
C:\Program Files (x86)\Microsoft Visual Studio 11.0>sn -T E:\WORK\WebDemo\bin\log4net.dll
Microsoft (R) .NET Framework Strong Name Utility Version 4.0.30319.17929
Copyright (c) Microsoft Corporation. All rights reserved.
Public key token is 669e0ddf0bb1aa2a