Spring Boot 多个域名指向同一IP

一、需求：直接通过域名访问首页（同一应用下，多个首页，包括PC端、手机端首页）

　　方法：采用多个域名绑定同一IP下同一应用，不同域名对应不同产品（PC、手机端）的方法，在后台通过拦截器判断 request 中的host字段值，进而重定向到不同的页面

@Configuration

@EnableWebMvc

public class InterceptorConfig extends WebMvcConfigurerAdapter {

  @Bean

  public HostInterceptor hostInterceptor() {

    return new HostInterceptor();

  }

  @Override

  public void addInterceptors(InterceptorRegistry registry) {

    registry.addInterceptor(hostInterceptor()).addPathPatterns("/");

    super.addInterceptors(registry);

  }

}

package com.zxguan.thymeleaf.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 * @author zxguan

 * @description

 * @create 2018-03-16 10:28

 */

public class HostInterceptor implements HandlerInterceptor {

    @Override

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String host = request.getHeader("host");

        if (host.equals("localhost")) {

            response.sendRedirect("/home");

        } else {

            response.sendRedirect("/index");

        }

        return false;

    }

    @Override

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }

}

    @RequestMapping(value = {"/", "/index"})

    public String test() {

        return "test";

    }

    @RequestMapping(value = "/home")

    public String home() {

        return "home";

    }