Spring Cloud Gateway路由断言实战——Before路由断言工厂

以你之姓@ 2021-07-25 02:56 430阅读 0赞

**一 源码位置**

[https://github.com/cakin24/spring-cloud-code/tree/master/ch17-2/ch17-2-2-gateway][https_github.com_cakin24_spring-cloud-code_tree_master_ch17-2_ch17-2-2-gateway]

**二 关键代码**

package cn.springcloud.book.gateway;
    
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.gateway.route.RouteLocator;
    import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
    import org.springframework.context.annotation.Bean;
    
    
    import java.time.LocalDateTime;
    import java.time.ZoneId;
    import java.time.ZonedDateTime;
    
    
    @SpringBootApplication
    public class SpringCloudGatewayApplication {
    
    
       @Bean
       public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
          // 关键是下面这几行代码
          ZonedDateTime datetime = LocalDateTime.now().plusDays(1).atZone(ZoneId.systemDefault());
          return builder.routes()
                .route("before_route", r -> r.before(datetime)
                      .uri("http://baidu.com"))
                .build();
       }
    
       public static void main(String[] args) {
          SpringApplication.run(SpringCloudGatewayApplication.class, args);
       }
    }

**三 测试**

1 启动ch17-2-2-gateway

2 浏览器输入localhost:8082

3 页面跳转到百度主页，测试成功！

[https_github.com_cakin24_spring-cloud-code_tree_master_ch17-2_ch17-2-2-gateway]: https://github.com/cakin24/spring-cloud-code/tree/master/ch17-2/ch17-2-1-gateway