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18
spring-cloud/spring-cloud-config/README.md
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@ -36,7 +36,7 @@ Spring Cloud Config 分为服务端和客户端，服务端称为分布式配置
+ **config-client**：服务单元，可以从配置中心获取相关配置；
+ **eureka**：注册中心。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-config.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-config.png"/> </div>
@ -147,20 +147,20 @@ spring:
- **application.yml** ：为主配置；
- **application-dev.yml**：为开发环境配置。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/config-git.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/config-git.png"/> </div>
### 3.4 启动服务
启动 Eureka 和 Config-Server 服务，访问 http://localhost:8020/application-dev.yml , 此时界面如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/config-application-dev.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/config-application-dev.png"/> </div>
注意此时我们访问是 dev 分支，即开发环境配置，其实际的配置文件的内容如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/config-dev.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/config-dev.png"/> </div>
@ -180,7 +180,7 @@ spring:
其中 application 为配置文件名，profile 为环境，label 为分支（如果不指定默认就是 master 分支）。从上面的规则中我们可以看出并不存在单独的 `/{application}` 访问路径，所以必须接上一个任意字符，示例如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/config-a.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/config-a.png"/> </div>
@ -323,7 +323,7 @@ public class ConfigController {
依次启动 eureka，config-server，config-client 三个项目，访问 http://localhost:8030/programmer 。在启动 eureka 和 config-server 后，要稍等一会再启动 config-client，这里是为了确保 config-server 已经将服务注册到 Eureka，然后我们的 config-client 才能从 Eureka 中获取配置中心的服务：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/config-client-programmer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/config-client-programmer.png"/> </div>
启动时可以从控制台上看到拉取配置的相关信息：
@ -442,10 +442,10 @@ o.s.amqp.rabbit.core.RabbitAdmin : Auto-declaring a non-durable, auto-de
也可以在 RabbitMQ 管控台上查看：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-bus-exchange.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-bus-exchange.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-bus-queue.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-bus-queue.png"/> </div>
@ -453,7 +453,7 @@ o.s.amqp.rabbit.core.RabbitAdmin : Auto-declaring a non-durable, auto-de
直接在 Git 上修改配置文件，然后用 `post` 请求触发热刷新端点 http://localhost:8030/actuator/bus-refresh ，即可看到配置已经热刷新。注意这里的只能用 post 方式请求 ，你可以用 Postman 等测试软件来发送：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/bus-refresh.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/bus-refresh.png"/> </div>

14
spring-cloud/spring-cloud-eureka-cluster/README.md
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@ -22,7 +22,7 @@
- **eureka-server** 为服务注册中心，负责服务的管理；
- **eureka-client** 为 Eureka 客户端。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-eureka-cluster.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-eureka-cluster.png"/> </div>
@ -30,7 +30,7 @@
这里我们以单机伪集群的方式搭建，让三个单机注册中心互相注册，实现注册中心的高可用。配置示意图如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-server-client.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-server-client.png"/> </div>
### 2.1 服务端依赖
@ -46,7 +46,7 @@
创建三份配置文件，分别代表不同注册中心的配置：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-application.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-application.png"/> </div>
application-01.yml:
@ -175,7 +175,7 @@ public class EurekaClientApplication {
这里我们可以采用命令行方式指定配置，分别启动三个注册中心：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-active.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-active.png"/> </div>
### 4.2 集群搭建成功的判定
@ -184,17 +184,17 @@ public class EurekaClientApplication {
8010 注册中心：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-8010.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-8010.png"/> </div>
8020 注册中心：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-8020.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-8020.png"/> </div>
8030 注册中心：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka-8030.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka-8030.png"/> </div>
Status 下的每个注册中心都可以点击跳转到其监控页面，但其监控页面地址链接可能是动态变化的，主要情况如下：

4
spring-cloud/spring-cloud-eureka/README.md
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@ -30,7 +30,7 @@ Spring Cloud Eureka 使用 Netflix Eureka 来实现服务注册与发现，它
- **eureka-server** 为服务注册中心，负责服务的管理；
- **eureka-client** 为 Eureka 客户端。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-eureka.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-eureka.png"/> </div>
@ -127,6 +127,6 @@ public class EurekaClientApplication {
进入注册中心控制台，查看服务注册情况：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/eureka.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/eureka.png"/> </div>

22
spring-cloud/spring-cloud-feign/README.md
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@ -36,7 +36,7 @@
+ **producer**：服务的提供者；
+ **eureka**：注册中心。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-feign.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-feign.png"/> </div>
@ -45,7 +45,7 @@
## 三、服务提供者的实现
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/feign-producer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/feign-producer.png"/> </div>
### 3.1 定义服务
@ -149,7 +149,7 @@ public class ProducerApplication {
## 四、服务消费者的实现
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/feign-consumer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/feign-consumer.png"/> </div>
### 4.1 基本依赖
@ -221,7 +221,7 @@ public interface ProductFeign {
按照官方对于服务最佳化的推荐，这里我们的服务调用接口放在公共模块中，因为在实际的开发中，同一个服务调用接口可能被多个模块所使用。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/common-feign.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/common-feign.png"/> </div>
@ -285,25 +285,25 @@ public class SellController {
启动一个Eureka服务、三个生产者服务（注意区分端口）、和一个消费者服务。Feign 的依赖中导入了 spring-cloud-starter-netflix-ribbon 依赖，并且在内部实现了基于 Ribbon 的客户端负载均衡，所以我们这里启动三个生产者服务来观察负载均衡的情况：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-app.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-app.png"/> </div>
**服务注册中心：**
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-eureka.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-eureka.png"/> </div>
### 5.2 验证负载均衡
访问 http://localhost:8080/sell/products 查看负载均衡的调用结果：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-products-8020.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-products-8020.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-products-8030.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-products-8030.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/feign-8040.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/feign-8040.png"/> </div>
@ -316,7 +316,7 @@ public class SellController {
Feign 的依赖中默认导入了 Hystrix （熔断器）的相关依赖，我们不需要额外导入，只需要开启相关配置即可：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/feign-hystrix-maven.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/feign-hystrix-maven.png"/> </div>
@ -422,6 +422,6 @@ public List<Product> queryAllProducts() {
测试结果：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/feign-hystrix.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/feign-hystrix.png"/> </div>

20
spring-cloud/spring-cloud-hystrix/README.md
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@ -37,7 +37,7 @@
- 当一个服务处理请求失败的次数大于阈值时，熔断器开启，这时所有的请求都会执行快速失败，而不会去调用实际的服务；
- 当熔断器处于打开状态的一段时间后，熔断器处于半打开状态，这时候一定数量的请求回去调用实际的服务，如果调用成功，则代表服务可用了，熔断器关闭；如果还是失败，则代表服务还是不可用，熔断器继续打开。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/circuitbreaker.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/circuitbreaker.png"/> </div>
## 二、项目结构
@ -49,7 +49,7 @@
+ **eureka**： 注册中心；
+ **turbine**：多个熔断器的聚合监控。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-hystrix.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-hystrix.png"/> </div>
## 三、整合 Hystrix
@ -172,7 +172,7 @@ public List<Product> queryAllProducts() {
启动服务，访问 http://localhost:8030/sell/products ，多次刷新查看熔断情况：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-8030.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-8030.png"/> </div>
### 3.7 控制台
@ -182,15 +182,15 @@ public List<Product> queryAllProducts() {
**登录页面**：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-single-login.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-single-login.png"/> </div>
**监控页面**：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-8030-login.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-8030-login.png"/> </div>
**关于各个参数的说明参见[官方 wiki](https://github.com/Netflix-Skunkworks/hystrix-dashboard/wiki) 提供的图**：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/dashboard.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/dashboard.png"/> </div>
@ -199,7 +199,7 @@ public List<Product> queryAllProducts() {
如果你想要聚合监控不同服务单元下的多个断路器，可以使用 Turbine 来实现。单体监控和聚合监控的区别如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/dashboard-direct-vs-turbine-640.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/dashboard-direct-vs-turbine-640.png"/> </div>
### 4.1 导入依赖
@ -311,11 +311,11 @@ public class TurbineApplication {
依次启动 eureka、producer、consumer、turbine 四个项目，因为 consumer 和 producer 都集成了 Hystrix ，所以可以在 localhost:8020/hystrix 或者 8030/hystrix 页面输入 http://localhost:8040/turbine.stream 来查看断路器聚合信息：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-cluster-login.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-cluster-login.png"/> </div>
**显示了不同服务单元（consumer,producer）的多个断路器信息：**
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-cluster.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-cluster.png"/> </div>
## 五、常见问题
@ -354,5 +354,5 @@ public ServletRegistrationBean getServlet() {
这种情况是熔断器所在的方法没有被调用，所以没有产生监控数据，不是整合问题，这时候调用一下熔断器所在方法即可：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/hystrix-loading.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/hystrix-loading.png"/> </div>

14
spring-cloud/spring-cloud-ribbon/README.md
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@ -36,7 +36,7 @@ Ribbon 是 Netfix 公司开源的负载均衡组件，采用服务端负载均
+ **producer**：服务的提供者；
+ **eureka**：注册中心，Ribbon 从注册中心获取可用的服务列表，是实现负载均衡的基础。这里使用我们在 [服务的注册与发现](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-cloud/spring-cloud-eureka) 这个用例中搭建的注册中心即可。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon.png"/> </div>
## 三、服务提供者的实现
@ -45,7 +45,7 @@ Ribbon 是 Netfix 公司开源的负载均衡组件，采用服务端负载均
产品服务由 `ProductService` 提供，并通过 `ProducerController` 将服务暴露给外部调用：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/ribbon-producer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/ribbon-producer.png"/> </div>
ProductService.java：
@ -150,7 +150,7 @@ public class ProducerApplication {
## 四、服务消费者的实现
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/ribbon-consumer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/ribbon-consumer.png"/> </div>
### 4.1 基本依赖
@ -252,22 +252,22 @@ public class ProductService implements IProductService {
启动一个Eureka服务、三个生产者服务（注意区分端口）、和一个消费者服务：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-app.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-app.png"/> </div>
**服务注册中心：**
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-eureka.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-eureka.png"/> </div>
### 5.2 验证负载均衡
访问 http://localhost:8080/sell/products 查看负载均衡的调用结果：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-products-8020.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-products-8020.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-ribbon-products-8030.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-ribbon-products-8030.png"/> </div>
## 六、RestTemplate

8
spring-cloud/spring-cloud-sleuth-zipkin/README.md
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@ -26,7 +26,7 @@
+ **eureka**：注册中心；
+ **zuul**： API 网关。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-sleuth-zipkin.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-sleuth-zipkin.png"/> </div>
## 三、Zipkin 服务端
@ -43,7 +43,7 @@ java -jar zipkin.jar
docker run -d -p 9411:9411 openzipkin/zipkin
```
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zipkin-download.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zipkin-download.png"/> </div>
@ -86,12 +86,12 @@ spring:
分别启动 eureka，zuul，consumer，producer 四个项目，访问 http://localhost:9411/ ，查看我们的服务调用链路：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zipkin.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zipkin.png"/> </div>
点击链路，即可以查看具体的调用情况：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zipkin-detail.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zipkin-detail.png"/> </div>
展示信息说明：

22
spring-cloud/spring-cloud-zuul/README.md
View File

@ -25,7 +25,7 @@
API 网关是整个微服务系统的门面，所有的外部访问需要通过网关进行调度和过滤。它实现了请求转发、负载均衡、校验过滤、错误熔断、服务聚合等功能：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/apiGateway.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/apiGateway.png"/> </div>
### 1.2 Spring Cloud Zuul
@ -46,12 +46,12 @@ Spring Cloud 基于 Net Flix Zuul 实现了网关组件，这就是 Spring Cloud
聚合项目目录如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/spring-cloud-zuul.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/spring-cloud-zuul.png"/> </div>
Zuul 项目目录如下：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul.png"/> </div>
@ -181,7 +181,7 @@ zuul:
启动 eureka、producer、consumer、zuul 四个服务，访问 localhost:8090/consumer/sell/product ：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-consumer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-consumer.png"/> </div>
@ -191,7 +191,7 @@ zuul:
Zuul 默认整合了 Hystrix ，不用导入其他额外依赖：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-hystrix.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-hystrix.png"/> </div>
### 4.2 服务降级
@ -271,7 +271,7 @@ public class CustomZuulFallbackProvider implements FallbackProvider {
正确返回了内容、同时返回的 Http 状态码也和我们设置的一样。
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-broker.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-broker.png"/> </div>
@ -361,23 +361,23 @@ public class CustomZuulFilter extends ZuulFilter {
Zuul 默认集成了 Ribbon 并实现了负载均衡，只要启动多个实例即可查看到负载均衡的效果：
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-ribbon.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-ribbon.png"/> </div>
**这里我们直接在idea 中启动多个实例来测试：**
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-config.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-config.png"/> </div>
**负载均衡测试结果：**
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-consumer.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-consumer.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-consumer-8040.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-consumer-8040.png"/> </div>
<div align="center"> <img src="https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/zuul-consumer-8030.png"/> </div>
<div align="center"> <img src="https://gitee.com/heibaiying/spring-samples-for-all/raw/master/pictures/zuul-consumer-8030.png"/> </div>