如何检查“hasRole"在带有 Spring Security 的 Java 代码中? [英] How to check "hasRole" in Java Code with Spring Security?

问题描述

如何在 Java 代码中检查用户权限或权限?例如 - 我想根据角色为用户显示或隐藏按钮.有这样的注释:

How to check user authority or permission in Java Code ? For example - I want to show or hide button for user depending on role. There are annotations like:

@PreAuthorize("hasRole('ROLE_USER')")

如何在Java代码中实现?类似的东西:

How to make it in Java code? Something like :

if(somethingHere.hasRole("ROLE_MANAGER")) {
   layout.addComponent(new Button("Edit users"));
}

推荐答案

Spring Security 3.0 有这个 API

Spring Security 3.0 has this API

SecurityContextHolderAwareRequestWrapper.isUserInRole(String role)

您必须先注入包装器，然后才能使用它.

You'll have to inject the wrapper, before you use it.

SecurityContextHolderAwareRequestWrapper

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