c#日志 log4net

https://blog.csdn.net/zhoufoxcn/article/details/2220533

http://www.cnblogs.com/wangsaiming/archive/2013/01/11/2856253.html

 https://blog.csdn.net/giraffe_zj/article/details/3343184配置详解

http://logging.apache.org/log4net/release/sdk/html/帮助文档

 

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