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2、Sentinel Spring Cloud集成Sentinel及简单流控示例

转载 作者:大佬之路 更新时间:2024-01-21 22:23:11 26 4
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集成

1、 创建一个父工程引入相关boot,cloud,alibaba依赖;

<properties>
    <java.version>1.8</java.version>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <!--Spring-->
    <spring.boot.version>2.3.4.RELEASE</spring.boot.version>
    <spring.cloud.version>Hoxton.SR8</spring.cloud.version>
    <spring.platform.version>Cairo-SR8</spring.platform.version>
    <spring.cloud.alibaba.version>2.2.2.RELEASE</spring.cloud.alibaba.version>
</properties>
    <dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
            <version>${spring.cloud.alibaba.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>${spring.boot.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
        <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>

2、 子项目添加pom;

<dependencies>
    <!--启动依赖-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!--test包-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <!--sentinel-->
    <dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
    </dependency>
</dependencies>

3、 创建一个测试类;

 

4、 YML加入sentinel配置;

server:
  port: 10000
spring:
  application:
    name: pearl-test-sentinel
  cloud:
    sentinel:
      transport:
        port: 8719
        dashboard: localhost:8080

5、 启动项目,并访问测试接口,之后查看控制台;

 

简单流控规则示例

1、 找到测试接口;

 

2、 添加控制规则,此规则表示当前QPS限制为1

![ ][nbsp3];

3、 快速刷新当前页面,发现已被限流;

 

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