http://www.cnblogs.com/mr-wid/archive/2013/05/09/3068229.html
http://www.cnblogs.com/daimage/archive/2012/02/25/2367534.html
http://www.cnblogs.com/itech/archive/2010/10/10/1834726.html
MySQL资料
原文：http://www.cnblogs.com/zfanlong1314/p/4236478.html
