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Netflix Zuul
学习Netflix Zuul
理解
疑问
怎么判断访问通过zuul(网关)服务?
架构图
- 如下图Zuul 服务,就是这个Zuul 只是spring cloud成员的一位

创建项目
前提环境 IDEA,JDK1.8
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选择中父项目右键选中new->Module

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点击next

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设置好group和artifact名称,点击Next

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选择Core»Lombok,Cloud Routing» Zuul

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设置项目名称,点击Finish

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创建完成后结构如下图(如果看不懂,请转Spring Cloud Config>)

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打开eureka中的pom.xml文件,修改parent标签如下groupId和artifactId,version都需要指向父项目groupId和artifactId,version,其他修改如下
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.springcloud</groupId>
<artifactId>zuul</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>zuul</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.springcloud</groupId>
<artifactId>cloud</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-zuul</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
- 打开父项目的pom.xml文件,在modules标签里面加入如下
<module>zuul</module>
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zuul项目默认的配置文件是.properties格式的,为方便好的阅读修改为.yml格式
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在application.yml 文件中添加如下配置文件(相关配置后续再讲)
server:
port: 8881
spring:
application:
name: zuul
eureka:
instance:
statusPageUrlPath: /info
healthCheckUrlPath: /health
prefer-ip-address: true
ip-address: 127.0.0.1
zuul:
ignored-services: "*"
sensitive-headers:
prefix: /api #为zuul设置一个公共的前缀
routes:
config:
path: /config/**
serviceId: config
eureka:
path: /eureka/**
serviceId: eureka
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在eureka项目EurekaApplication启动类中添加一个注解@EnableEurekaServer

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启动成功如下

- 启动注册中心和config服务,打开http://localhost:8761/,即可看zuul已近在注册中心里面了

