源码，可直接下载
Gateway模块
Gateway 的父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 https://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>2.6.12</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<packaging>pom</packaging>
<groupId>com.example</groupId>
<artifactId>gateway-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>gateway-demo</name>
<description>gateway-demo</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>2021.0.4.0</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>2021.0.4</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<modules>
<module>gateway</module>
</modules>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Gateway 的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 https://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>2.7.17</version>
<relativePath/> <!– lookup parent from repository –>
</parent>-->
<parent>
<artifactId>gateway-demo</artifactId>
<groupId>com.example</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<groupId>com.example</groupId>
<artifactId>gateway</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>gateway</name>
<description>gateway</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-loadbalancer</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
添加注册中心和配置中心配置
spring:
application:
name: gateway-demo
cloud:
nacos:
discovery:
server-addr: localhost:8848
config:
file-extension: yml
server-addr: localhost:8848
添加路由配置信息（放在配置中心）
# 此文件内容最好放到配置中心nacos中
spring:
cloud:
gateway:
routes:
- id: serviceDemo
uri: lb://service-demo
# uri: http://www.baidu.com
predicates:
- Path=/springboottest/**
filters:
# 校验
# 去除一个前缀 springboottest
# 请求方式为 http://localhost:8081/springboottest/test
- StripPrefix=1
logging:
level:
springfox: error
server:
port: 8081
服务模块
添加一个service服务
# 使用和gateway相同的父pom.xml
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
</dependencies>
// controller
@RestController
@RequestMapping(("test"))
public class TestController {
@Value("${server.port}")
private String port;
@GetMapping()
public String getPort() {
return port;
}
}
配置注册中心和配置中心
spring:
application:
name: service-demo
cloud:
nacos:
config:
server-addr: localhost:8848
file-extension: yml
discovery:
server-addr: localhost:8848
配置中心的配置文件内容
#此文件内容最好放到配置中心nacos中
server:
port: 8888
效果
不通过gateway访问
localhost:8888/test
通过gateway访问
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