Spring Cloud Zuul(五)路由器和过滤器

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

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:《Spring Cloud Zuul(五)路由器和过滤器》
《Spring Cloud Zuul(五)路由器和过滤器》
– 会发现自动做了负载均衡

    原文作者:Spring Cloud
    原文地址: https://blog.csdn.net/chou342175867/article/details/79711455
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