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 {
        //獲取用戶登陸信息
        Person person = (Person) request.getSession().getAttribute("person");
        //判斷用戶是否有權限進入商家管理后臺系統(tǒng)
        if(person != null && person.getUserId() > 0
                && person.getEnableStatus() == 1 && person.getPersonType() == 2){
            //如果驗證通過，則返回true，放行請求，即用戶接下來的操作可以正常執(zhí)行
            return true;
        }
        //如果不滿足登陸驗證，則跳轉到登陸頁面
        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 {
        //獲取用戶登陸信息
        Person person = (Person) request.getSession().getAttribute("person");
        //判斷用戶是否有權限進入超級管理員后臺系統(tǒng)
        if(person != null && person.getUserId() > 0
                && person.getEnableStatus() == 1 && person.getPersonType() == 3){
            //如果驗證通過，則返回true，放行請求，即用戶接下來的操作可以正常執(zhí)行
            return true;
        }
        //如果不滿足登陸驗證，則跳轉到登陸頁面
        response.sendRedirect("/o2o/local/to_login");
        return false;
    }
}

<!--攔截器鏈-->
<mvc:interceptors>
    <!--攔截器1，對商家管理系統(tǒng)進行權限驗證-->
    <mvc:interceptor>
        <!--指定攔截的請求-->
        <mvc:mapping path="/shop_admin/**"/>
        <!--指定使用的自定義攔截器類-->
        <bean class="com.cd.o2o.interceptor.ShopAdminInterceptor"/>
    </mvc:interceptor>
    <!--攔截器2，對超級管理員系統(tǒng)進行權限驗證-->
    <mvc:interceptor>
        <!--指定攔截的請求-->
        <mvc:mapping path="/super_admin/**"/>
        <!--指定不攔截的請求-->
        <mvc:exclude-mapping path="/super/toLogin"/>
        <!--指定使用的自定義攔截器類-->
        <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) {
        //注冊攔截器1，對商家管理系統(tǒng)進行權限驗證
        InterceptorRegistration registration1 = registry.addInterceptor(new ShopAdminInterceptor());
        //指定攔截器1要攔截的請求(支持*通配符)
        registration1.addPathPatterns("/shop_admin/**");
        //注冊攔截器2，對超級管理員系統(tǒng)進行權限驗證
        InterceptorRegistration registration2 = registry.addInterceptor(new SuperAdminInterceptor());
        /*指定攔截器2要攔截的請求(支持*通配符)*/
        registration2.addPathPatterns("/super_admin/**");
        //指定攔截器2不攔截的請求(支持*通配符)
        registration2.excludePathPatterns("/super/toLogin");
    }
}

@Configuration
@EnableWebMvc
public class MyWebAppConfiguration implements WebMvcConfigurer{
}