http://weblogs.asp.net/scottgu/using-ef-code-first-with-an-existing-database
http://weblogs.asp.net/jongalloway//generating-ef-code-first-model-classes-from-an-existing-database
using-ef-code-first-with-an-existing-database
原文：http://www.cnblogs.com/zjypp/p/4100107.html