整合Sentinel客户端编码实践

<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>

# 默认为 `8719`，作用是启动一个 `HTTP` 客户端服务，该服务将在 `Sentinel` 控制台进行数据交互。
# 如果该端口被占用，则从 `8719` 依次加 `1` 扫描
spring.cloud.sentinel.transport.port=8719

# 指定 Sentinel 控制台地址
spring.cloud.sentinel.transport.dashboard=127.0.0.1:9113

@GetMapping("/order/testChainApi1")
public String testChainApi1 () {
    String result = orderService.getNumber(2022);
    if ("BLOCKED".equals(result)){
        return "testChainApi1 error! "+result;
    }
    return "testChainApi1 success! "+result;
}

@GetMapping("/order/testChainApi2")
public String testChainApi2 () {
    String result = orderService.getNumber(2025);
    if ("BLOCKED".equals(result)){
        return "testChainApi2 error! "+result;
    }
    return "testChainApi2 success! "+result;
}

@GetMapping("/order/testRelateApi1")
public String testRelateApi1() {
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
        return "testRelateApi1 error!";
    }
    return "testRelateApi1 success!";
}

@GetMapping("/order/testRelateApi2")
public String testRelateApi2() {
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
        return "testRelateApi2 error!";
    }
    return "testRelateApi2 success!";
}