public void GetTypeTest()
 {
     Assert.Equal(typeof(string), TypeExtension.GetType("string"));
     Assert.Equal(typeof(DateTime?), TypeExtension.GetType("datetime?"));
     Assert.Equal(typeof(System.Text.StringBuilder), TypeExtension.GetType("System.Text.StringBuilder"));
     Assert.Equal(typeof(EnumEntry), TypeExtension.GetType("Tiandao.Common.EnumEntry"));
 }