<a href="http://www.cnblogs.com/liping13599168/archive/2011/07/16/2108209.html">http://www.cnblogs.com/liping13599168/archive/2011/07/16/2108209.html</a>
<a href="http://www.cnblogs.com/hkncd/archive/2012/11/21/2780041.html">http://www.cnblogs.com/hkncd/archive/2012/11/21/2780041.html</a>