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Spring Cloud Gateway入门

程序员文章站 2022-06-03 20:44:01
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Spring Cloud Gateway入门

spring cloud gateway 是spring团队推出的网关,spring boot从2.x就推出了,目的是用来代替zuul的,废话不多说
spring cloud gateway官网
官网GitHub
入门案例
pom.xml

<?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>
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.1.6.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>
  <groupId>com.ls</groupId>
  <artifactId>demo-gateway</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>demo-gateway</name>
  <description>spring cloud gateway</description>

  <properties>
    <java.version>1.8</java.version>
    <spring-cloud.version>Greenwich.SR1</spring-cloud.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-webflux</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-gateway</artifactId>
    </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>

</project>

application.yml

server:
  port: 9099

MyRouteConfig.java

/**
 * Created by ls on 2019/6/29.
 * 实现路由转发百度
 */
@Configuration
public class MyRouteConfig {
  @Bean
  public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
    String httpUri = "http://www.baidu.com";
    return builder.routes()
        // basic proxy
        .route(r -> r.path("/**")
            .uri(httpUri))
        .build();
  }

}
@SpringBootApplication
public class DemoGatewayApplication {

  public static void main(String[] args) {
    SpringApplication.run(DemoGatewayApplication.class, args);
  }

访问localhost:9099