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SOP/doc/docs/files/10096_使用SpringCloudGateway.md

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# 使用SpringCloudGateway
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SOP默认网关是使用Spring Cloud Zuul,您也可以切换成Spring Cloud Gateway,完整代码见`spring-cloud-gateway`分支。
如果您的系统并发量不大,建议使用zuul,因为zuul的功能更全面,有新功能会优先实现在zuul上。
- SOP中 Spring Cloud Zuul 和 Spring Cloud Gateway功能对比
| 功能 | Spring Cloud Zuul | Spring Cloud Gateway |
| ----- | ---- | ----------------------- |
| 签名验证|√ | √ |
| 统一异常处理|√ | √ |
| 统一返回内容|√ | √ |
| session管理|√ | √ |
| 秘钥管理|√ | √ |
| 微服务端自动验证(JSR-303)|√ | √ |
| 文件上传|√ | √ |
| 文件下载|√ | √ |
| 接口限流|√ | √ |
| 文档整合|√ | √ |
| 应用授权|√ | √ |
| 监控日志|√ | √ |
| 支持nacos|√ | √ |
| 网关动态修改参数|√ | √ |
使用Spring Cloud Gateway步骤如下:
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- 打开sop-gateway/pom.xml,注释spring cloud zuul依赖,打开Spring Cloud Gateway依赖
```xml
<!-- ↓↓↓ 使用spring cloud zuul ↓↓↓
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
-->
<!-- ↑↑↑ 使用spring cloud zuul ↑↑↑ -->
<!-- ↓↓↓ 使用spring cloud gateway,处于beta阶段,推荐使用zuul ↓↓↓ -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- ↑↑↑ 使用spring cloud gateway ↑↑↑ -->
```
- 打开启动类`SopGatewayApplication.java`, 注释zuul相关注解
```java
package com.gitee.sop.gateway;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
//import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
// 开启网关功能
//@EnableZuulProxy
@SpringBootApplication
public class SopGatewayApplication {
public static void main(String[] args) {
SpringApplication.run(SopGatewayApplication.class, args);
}
}
```
- 禁用ZuulConfig类,注释掉@Configuration注解即可
```java
//@Configuration
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public class ZuulConfig extends AlipayZuulConfiguration {...}
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```
- 启用GatewayConfig类,打开@Configuration注释
```java
@Configuration
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public class GatewayConfig extends AlipayGatewayConfiguration {...}
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```
修改完毕,重启sop-gateway