.Net 简单封装 Flurl 利用HTTP发送Get和Post 请求

NuGet下载Flurl
FlurlHttpClient类

1. public class FlurlHttpClient
2. {
3.     private readonly FlurlClient client;
5.     public FlurlHttpClient(FlurlClient client)
6.     {
7.         this.client = client;
8.     }
10.     public async Task<T> GetAsync<T>(string url) where T : class
11.     {
12.         try
13.         {
14.             return await client.Request(url).GetJsonAsync<T>();
15.         }
16.         catch (FlurlHttpException ex)
17.         {
18.             string method = ex.Call.HttpRequestMessage.Method.Method; // 获取请求方式
19.             IFlurlResponse? response = ex.Call.Response;
20.             int? statusCode = response is null ? null : response.StatusCode;//服务器状态码
21.             string errorMsg = $"服务器状态码:{statusCode};Url:{ex.Call.Request.Url};请求方式:{method},入参:无;message:{ex.Message}";
22.             throw new Exception(errorMsg);
23.         }
24.     }
25.    
26.     /// <summary>
27.     /// Get请求
28.     /// </summary>
29.     /// <typeparam name="T"></typeparam>
30.     /// <param name="url">url</param>
31.     /// <param name="values">参数以对象的形式传入</param>
32.     /// <returns></returns>
33.     /// <exception cref="Exception"></exception>
34.     public async Task<T> GetAsync<T>(string url, object values)
35.     {
36.         try
37.         {
38.             return await client.Request(url).SetQueryParams(values).GetJsonAsync<T>();
39.         }
40.         catch (FlurlHttpException ex)
41.         {
42.             string method = ex.Call.HttpRequestMessage.Method.Method; // 获取请求方式
43.             IFlurlResponse? response = ex.Call.Response;
44.             string? statusCode = response is null ? null : response.StatusCode.ToString();//服务器状态码
45.             string errorMsg = $"服务器状态码:{statusCode ?? "无"};Url:{ex.Call.Request.Url};请求方式:{method};入参:{values};message:{ex.Message}";
46.             throw new Exception(errorMsg);
47.         }
48.     }
51.     /// <summary>
52.     /// Post请求
53.     /// </summary>
54.     /// <typeparam name="T"></typeparam>
55.     /// <param name="url">url</param>
56.     /// <param name="values">参数以对象的形式传入</param>
57.     /// <returns></returns>
58.     /// <exception cref="Exception"></exception>
59.     public async Task<T> PostAsync<T>(string url,object values)
60.     {
61.         try
62.         {
63.             //.ReceiveJson<T>()方法来指定响应的JSON数据会被反序列化为类型T
64.             return await client.Request(url).PostJsonAsync(values).ReceiveJson<T>();
65.         }
66.         catch (FlurlHttpException ex)
67.         {
68.             string method = ex.Call.HttpRequestMessage.Method.Method; // 获取请求方式
69.             IFlurlResponse? response = ex.Call.Response;
70.             int? statusCode = response is null ? null : response.StatusCode;//服务器状态码
71.             string errorMsg = $"服务器状态码:{statusCode};Url:{ex.Call.Request.Url};请求方式:{method};入参:{values};message:{ex.Message}";
72.             throw new Exception(errorMsg);
73.         }
75.     }
76. }

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注入FlurlHttpClient类

1. /// <summary>
2. /// 初始化flurlhttpclient
3. /// </summary>
4. /// <param name="builder"></param>
5. public static void InitFlurlHttpClient(this WebApplicationBuilder builder)
6. {
7.     var baseUrl = builder.Configuration["wmsBaseUrl"];
8.     if (string.IsNullOrEmpty(baseUrl)) throw new Exception("baseUrl未配置");
10.     //WithHeader添加请求头
11.     builder.Services.AddScoped(provider => new FlurlClient(baseUrl).WithHeader("test","111"));
13.     builder.Services.AddScoped(provider => {
14.         var flurlClient = provider.GetService<FlurlClient>(); // 从依赖注入容器中获取 FlurlClient 类型
15.         if (flurlClient is null) throw new Exception("系统错误flurlClient类还未注入");
16.         return new FlurlHttpClient(flurlClient);
17.     });
18. }

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利用

1. [HttpGet]
2. public async Task<ActionResult<ApiResponse>> Get()
3. {
4.     var resAsync = httpClient.GetAsync<object>("TakeNumber/GetNumber", new { boxNumber = "123456" });
5.     return this.Success(resAsync);
6. }
7. [HttpPost]
8. public async Task<ActionResult<ApiResponse>> Post()
9. {
10.     var resAsync = httpClient.PostAsync<object>("TakeNumber/GetNumber", new { boxNumber = "123456" });
11.     return this.Success(resAsync);
12. }

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