Springboot重写addInterceptors()方法配置拦截器实例

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ShopAdminInterceptor extends HandlerInterceptorAdapter {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //获取用户登陆信息
        Person person = (Person) request.getSession().getAttribute("person");
        //判断用户是否有权限进入商家管理后台系统
        if(person != null && person.getUserId() > 0
                && person.getEnableStatus() == 1 && person.getPersonType() == 2){
            //如果验证通过，则返回true，放行请求，即用户接下来的操作可以正常执行
            return true;
        }
        //如果不满足登陆验证，则跳转到登陆页面
        response.sendRedirect("/o2o/local/to_login");
        return false;
    }
}

import com.cd.o2o2.entity.Person;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class SuperAdminInterceptor extends HandlerInterceptorAdapter {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //获取用户登陆信息
        Person person = (Person) request.getSession().getAttribute("person");
        //判断用户是否有权限进入超级管理员后台系统
        if(person != null && person.getUserId() > 0
                && person.getEnableStatus() == 1 && person.getPersonType() == 3){
            //如果验证通过，则返回true，放行请求，即用户接下来的操作可以正常执行
            return true;
        }
        //如果不满足登陆验证，则跳转到登陆页面
        response.sendRedirect("/o2o/local/to_login");
        return false;
    }
}

<!--拦截器链-->
<mvc:interceptors>
    <!--拦截器1，对商家管理系统进行权限验证-->
    <mvc:interceptor>
        <!--指定拦截的请求-->
        <mvc:mapping path="/shop_admin/**"/>
        <!--指定使用的自定义拦截器类-->
        <bean class="com.cd.o2o.interceptor.ShopAdminInterceptor"/>
    </mvc:interceptor>
    <!--拦截器2，对超级管理员系统进行权限验证-->
    <mvc:interceptor>
        <!--指定拦截的请求-->
        <mvc:mapping path="/super_admin/**"/>
        <!--指定不拦截的请求-->
        <mvc:exclude-mapping path="/super/toLogin"/>
        <!--指定使用的自定义拦截器类-->
        <bean class="com.cd.o2o.interceptor.SuperAdminInterceptor"/>
    </mvc:interceptor>
</mvc:interceptors>

import com.cd.o2o2.interceptor.ShopAdminInterceptor;
import com.cd.o2o2.interceptor.SuperAdminInterceptor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class MyWebAppConfiguration implements WebMvcConfigurer {
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //注册拦截器1，对商家管理系统进行权限验证
        InterceptorRegistration registration1 = registry.addInterceptor(new ShopAdminInterceptor());
        //指定拦截器1要拦截的请求(支持*通配符)
        registration1.addPathPatterns("/shop_admin/**");
        //注册拦截器2，对超级管理员系统进行权限验证
        InterceptorRegistration registration2 = registry.addInterceptor(new SuperAdminInterceptor());
        /*指定拦截器2要拦截的请求(支持*通配符)*/
        registration2.addPathPatterns("/super_admin/**");
        //指定拦截器2不拦截的请求(支持*通配符)
        registration2.excludePathPatterns("/super/toLogin");
    }
}

@Configuration
@EnableWebMvc
public class MyWebAppConfiguration implements WebMvcConfigurer{
}