Spring Cloud Zuul(五)路由器和过滤器
自我理解:zuul主要做一层网关,1.转发请求到具体服务
2.过滤一些敏感的词汇和简单的预防侵入措施
一、简单示例demo开始
gateway-service-zuul 的pom.xml文件
<?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>cn.qx</groupId>
<artifactId>spring-cloud-zuul-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-cloud-zuul-demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.0.RELEASE</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>
<spring-cloud.version>Finchley.M9</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</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>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
gateway-service-zuul application.yml文件
spring:
application:
name: gateway-service-zuul
server:
port: 8888
zuul:
routes:
first:
path: /it/**
url: http://www.baidu.com/
eureka:
client:
service-url:
defaultZone: http://localhost:8001/eureka/
在SpringCloudZuulDemoApplication启动文件中加入@EnableZuulProxy,和@EnableDiscoveryClient就可以完成在eureka上注册和Zuul功能
- 测试
- 在浏览器中输入 http://localhost:8888/it 拦截会进入新的url地址中去
二、Zuul改进为分发请求连接到具体的服务提供者上去
- 将请求指定转发到服务提供者上去
- 修改application.yml文件
spring:
application:
name: gateway-service-zuul
server:
port: 8888
zuul:
routes:
first:
path: /it/**
url: http://www.ityouknow.com/
second:
path: /producer/**
serviceId: demo-clent
eureka:
client:
service-url:
defaultZone: http://localhost:8001/eureka/
服务提供者用之前的demo-clent的2个服务提供
– 测试
– 在浏览器输入http://localhost:8888/producer/producerHello?name=小明
– 结果:
–
– 会发现自动做了负载均衡