我登录后跳转到主页面拦截器就有异常，这拦截器怎么解决呀，

Question

[21:06:07.372] [DEBUG] [http-nio-8080-exec-9] [org.springframework.web.servlet.handler.SimpleMappingExceptionResolver] [Resolved [com.atguigu.crowd.exception.AccessForbiddenException: 请登录以后再访问！] to ModelAndView [view="system-error"; model={exception=com.atguigu.crowd.exception.AccessForbiddenException: 请登录以后再访问！}]]
[21:06:07.372] [DEBUG] [http-nio-8080-exec-9] [org.springframework.web.servlet.DispatcherServlet] [Using resolved error view: ModelAndView [view="system-error"; model={exception=com.atguigu.crowd.exception.AccessForbiddenException: 请登录以后再访问！}]]
[21:06:07.372] [DEBUG] [http-nio-8080-exec-9] [org.springframework.web.servlet.view.JstlView] [View name 'system-error', model {exception=com.atguigu.crowd.exception.AccessForbiddenException: 请登录以后再访问！}]
[21:06:07.372] [DEBUG] [http-nio-8080-exec-9] [org.springframework.web.servlet.view.JstlView] [Forwarding to [/WEB-INF/system-error.jsp]]
[21:06:07.512] [DEBUG] [http-nio-8080-exec-9] [org.springframework.web.servlet.DispatcherServlet] [Completed 200 OK]

<bean id="simpleMappingExceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
    <!-- 配置异常类型和具体视图页面的对应关系 -->
    <property name="exceptionMappings">
        <props>
            <!-- key属性指定异常全类名 -->
            <!-- 标签体中写对应的视图（这个值要拼前后缀得到具体路径） -->
            <prop key="java.lang.Exception">system-error</prop>
            <!-- <prop key="com.atguigu.crowd.exception.AccessForbiddenException">admin-login</prop> -->
        </props>
    </property>
</bean>

<!-- 配置view-controller，直接把请求地址和视图名称关联起来，不必写handler方法了 -->
<!-- 
    @RequestMapping("/admin/to/login/page.html")
    public String toLoginPage(){
        return "admin-login";
    }
 -->
<mvc:view-controller path="/admin/to/login/page.html" view-name="admin-login"/>
<mvc:view-controller path="/admin/to/main/page.html" view-name="admin-main"/>

<!-- 注册拦截器 -->
<mvc:interceptors>
    <mvc:interceptor>
        <!-- mvc:mapping配置要拦截的资源 -->
        <!-- /*对应一层路径，比如：/aaa -->
        <!-- /**对应多层路径，比如：/aaa/bbb或/aaa/bbb/ccc或/aaa/bbb/ccc/ddd -->
        <mvc:mapping path="/**"/>

        <!-- mvc:exclude-mapping配置不拦截的资源 -->
        <mvc:exclude-mapping path="/admin/to/login/page.html"/>
        <mvc:exclude-mapping path="/admin/do/login.html"/>
        <mvc:exclude-mapping path="/admin/do/logout.html"/>

        <!-- 配置拦截器类 -->
        <bean class="com.atguigu.crowd.mvc.interceptor.LoginInterceptor"/>
    </mvc:interceptor>
</mvc:interceptors>

Answer 1

LoginInterceptor这个类里面做了校验的操作，你debug看看为什么没通过，是否是判断写错了还是自己密码校验没过，如果不想使用拦截器可以xml中mvc:InInterceptor便签注释掉