权限拦截器

Lyric__

于 2018-07-03 21:28:18 发布

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分类专栏： Spring

本文链接：https://blog.youkuaiyun.com/lr19941226/article/details/80904643

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public class PrivilegeInterceptor extends MethodFilterInterceptor {

    @Override
    protected String doIntercept(ActionInvocation actionInvocation) throws Exception {

        User user = (User) ServletActionContext.getRequest().getSession().getAttribute("user");
        if(user == null){
            ActionSupport actionSupport  = (ActionSupport) actionInvocation.getAction();
            actionSupport.addActionError("没有登录, 没有权限访问!!!");
            return actionSupport.LOGIN;
        }else {
           return actionInvocation.invoke();
        }
    }

}

<interceptors>
        <interceptor name="privilegeInterceptor" class="com.lyric.ssh.web.interceptor.PrivilegeInterceptor"></interceptor>
</interceptors>


<interceptor-ref name="privilegeInterceptor">
        <param name="excludeMethods">regist,login</param>
    </interceptor-ref>
<interceptor-ref name="defaultStack"/>