C# 如何从类中获取私有静态字段的值？
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How to get the value of a private static field from a class?
提问by chief7
Is there any way to get value of private static field from known class using reflection?
有没有办法使用反射从已知类中获取私有静态字段的值？
采纳答案by configurator
Yes.
是的。
Type type = typeof(TheClass);
FieldInfo info = type.GetField(name, BindingFlags.NonPublic | BindingFlags.Static);
object value = info.GetValue(null);
This is for a field. For a property, change type.GetFieldto type.GetProperty. You can also access private methods in a similar fashion.
这是一个领域。对于属性，更改type.GetField为type.GetProperty。您还可以以类似的方式访问私有方法。
回答by David Pokluda
Try something like this:
尝试这样的事情：
Type type = typeof(MyClass);
MemberInfo[] members = type.GetMembers(BindingFlags.NonPublic | BindingFlags.Static);
I would think that is should work.
我认为这应该有效。
回答by i_am_jorf
As stated above, you can probably use System.Type::GetMembers()with BindingFlags::NonPublic | BindingFlags::Static, but only if you have the right ReflectionPermission.
如上所述，您可能可以使用System.Type::GetMembers()with ，但前提是您拥有正确的.BindingFlags::NonPublic | BindingFlags::StaticReflectionPermission
回答by Reed Copsey
If you have full trust, you should be able to do:
如果您完全信任，您应该能够做到：
Type t = typeof(TheClass);
FieldInfo field = t.GetField("myFieldName", BindingFlags.NonPublic | BindingFlags.Static);
object fieldValue = field.GetValue(myObject);
However, if you run this on a system without full trust, the GetField call will fail, and this won't work.
但是，如果您在没有完全信任的系统上运行它，GetField 调用将失败，这将不起作用。
回答by John Saunders
I suppose someone should ask whether this is a good idea or not? It creates a dependency on the private implementation of this static class. Private implementation is subject to change without any notice given to people using Reflection to access the private implementation.
我想有人应该问这是否是一个好主意？它创建了对这个静态类的私有实现的依赖。私有实现如有更改，恕不另行通知使用反射访问私有实现的人。
If the two classes are meant to work together, consider making the field internaland adding the assembly of the cooperating class in an [assembly:InternalsVisibleTo] attribute.
如果这两个类要一起工作，请考虑将字段设为内部并在 [assembly:InternalsVisibleTo] 属性中添加协作类的程序集。
