为了使用宣告式安全性呼叫，您必须初始化使用权限物件的状态资料，使它可以代表您所需要的特定形式使用权限。

In order to use declarative security calls, you must initialize the state data of the permission object so that it represents the particular form of permission you need.

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然而，如果您将一个宣告式安全性检查置于成员等级上，它只会套用至该成员，并覆写在类别等级上所指定的使用权限(如存在时)。

However, if you place a declarative security check at the member level, it applies to only that member and overrides the permission specified at the class level, if one exists.

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安全性权限可在表单中的使用权限类别(命令式安全性)或属性，表示使用权限类别(宣告式安全性)。

Security permissions can be in the form of a permission class (imperative security) or an attribute that represents a permission class (declarative security).

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