如何用参数从另一个服务调用一项服务并获取响应

发布于 2025-02-02 01:18:08 字数 511 浏览 3 评论 0原文

目前，我有两个在不同端点运行的服务。例如（这不是我的真实情况）：

StudentService
CheckHomeWorkService

CheckhomeworkService可以从许多服务中使用（例如Texterservice，WorkerService）。它具有一个带有Checkhomework操作的控制器。它有一些参数：

HomeWorkNumber (int)
ProvidedSolution (string).

它将返回成功或失败。

现在，在我的学生服务中，我有一个具有submithomework行动的控制器。它需要使用Checkhomeworkservice检查家庭作业，并将结果保存到数据库中。我该如何实施？

我正在使用ocelot api网关，但它可以“重定向”到另一个服务，我需要保存对数据库的响应的结果

原文

Currently, I have two services running at different endpoints. For example (this is not my real scenario):

StudentService
CheckHomeWorkService

CheckHomeWorkService can be used from many services (For example TeacherService, WorkerService). It has one controller with CheckHomeWork action. It has some parameters:

HomeWorkNumber (int)
ProvidedSolution (string).

It will return success or failed.

Now, In my StudentService, I have a controller with SubmitHomeWork Action. It needs to check homework using CHeckHomeWorkService and save results to a database. How can I implement this?

I was using Ocelot Api GateWay but it can 'redirect' to another service and I need to save the result of the response to the database

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一曲琵琶半遮面シ 2025-02-09 01:18:08

如评论中所建议的，您可以使用httpclient调用其他API。但是，如果您想要一个更安全，更具性能的解决方案，也可以使用HTTPClientFactory。
请参见为什么要使用它
 >

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回首观望 2025-02-09 01:18:08

评论后，您说您有单独的Web API服务，

在这种情况下，您可以执行此服务来检索结果：

public async Task<List<HomeWorkModel>> CheckHomeWorkService(int 
homeWorkNumber, string providedSolution)
    {
        using (var httpClient = new HttpClient())
        {
            using (var response = await 
httpClient.GetAsync(Constants.ApiBaseUrl + "/CheckHomeWork?n=" + 
homeWorkNumber + "&sol=" + providedSolution))
            {
                if (response.StatusCode == 
System.Net.HttpStatusCode.OK)
                {
                    string apiResponse = await 
response.Content.ReadAsStringAsync();
                    return 
JsonConvert.DeserializeObject<List<HomeWorkModel>>(apiResponse);
                }
                else
                {
                    return null;
                }
            }
        }
    }
public class HomeworkModel
{
  Public bool Result {get; set;}
}

而：
“常数”是另一个API的基本URL的HTTP地址

，但是如果使用旧解决方案，

则可以在控制器构造器中传递“ Checkhomeworkservice”（“依赖项注入”）
并随心所欲地调用服务方法

After your comment you say that you have separate WEB API services

in this case you can do this service to retrieve the result :

public async Task<List<HomeWorkModel>> CheckHomeWorkService(int 
homeWorkNumber, string providedSolution)
    {
        using (var httpClient = new HttpClient())
        {
            using (var response = await 
httpClient.GetAsync(Constants.ApiBaseUrl + "/CheckHomeWork?n=" + 
homeWorkNumber + "&sol=" + providedSolution))
            {
                if (response.StatusCode == 
System.Net.HttpStatusCode.OK)
                {
                    string apiResponse = await 
response.Content.ReadAsStringAsync();
                    return 
JsonConvert.DeserializeObject<List<HomeWorkModel>>(apiResponse);
                }
                else
                {
                    return null;
                }
            }
        }
    }
public class HomeworkModel
{
  Public bool Result {get; set;}
}

whereas :
"Constants.ApiBaseUrl" is http address for base Url of another API

But in case of the same API you will use old solution :

you can pass "CHeckHomeWorkService" in your controller constructor ("Dependency Injection")
and call service methods as you like

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