C＃私有成员的可视性 [英] C# Private members visibility

问题描述

我们有我们的商业模式一个学生类。事情让我觉得奇怪，如果我们从另一个学生操纵一个学生，学生私有成员可见......这给我的印象有点不雅：）

We have a Student class in our business model. something struck me as strange, if we are manipulating one student from another student, the students private members are visible... this strikes me as a little indecent :)

   class Program {
      static void Main(string[] args) {

         Student s1 = new Student();
         Student s2 = new Student();

         s1.ExamineStudentsMembers(s2);
      }
   }

   public class Student {

      private String _studentsPrivateMember;

      public Student() {
         _studentsPrivateMember = DateTime.Now.Ticks.ToString();
      }

      public void ExamineStudentsMembers(Student anotherStudent) {
         //this seems very wrong
         Console.WriteLine(anotherStudent._studentsPrivateMember);
      }
   }

我可以对设计考虑/影响的几点思考这个的。看来你不能隐藏你的兄弟姐妹信息。有没有一种方法来标记字段或成员来自同一类的其他实例隐藏？

Can i have some thoughts on the design considerations/implications of this. It seems that you can't hide information from your siblings. Is there a way to mark a field or member as hidden from other instances of the same class?

推荐答案

有一个简单的方法来确保这一点：

There's an easy way to ensure this:

不要在同一类的其他实例的私有成员勾搭

Don't mess around with private members of other instances of the same class.

严重 - 你是一个写学生代码

Seriously - you're the one writing the Student code.

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