SpringBoot整合Gateway 的Demo(附源码)

源码,可直接下载

Gateway模块

Gateway 的父pom.xml

java 复制代码
<?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

java 复制代码
<?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/> &lt;!&ndash; lookup parent from repository &ndash;&gt;
    </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

java 复制代码
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)

复制代码
# 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

复制代码
# 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

复制代码
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

复制代码
#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

复制代码
localhost:8888/test

通过gateway访问

本文由博客一文多发平台 OpenWrite 发布!

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