記錄一個C#/.NET的HTTP工具類

using Serilog;
using System.Net;
using System.Text;
using System.Text.Json;namespace UProbe.Common.Comm.Http
{public class HttpClientHelper{/// <summary>/// 發送HttpGet請求/// </summary>/// <typeparam name="T"></typeparam>/// <param name="url"></param>/// <returns></returns>public static T? HttpGet<T>(string url){using (HttpClient client = new HttpClient()){client.Timeout = TimeSpan.FromSeconds(30);try{var response = client.GetAsync(url).Result;if (response != null && response.StatusCode == HttpStatusCode.OK){var responseStr = response.Content.ReadAsStringAsync().Result;if (string.IsNullOrEmpty(responseStr) == false){return JsonSerializer.Deserialize<T>(responseStr);}}else{Log.Warning($"請求異常 url={url},status={response?.StatusCode}");}}catch (Exception ex){Log.Error($"請求異常 url={url},{ex.ToString()}");}return default(T);}}/// <summary>/// 發送HttpPost請求/// </summary>/// <typeparam name="T"></typeparam>/// <param name="url"></param>/// <param name="content"></param>/// <returns></returns>public static T? HttpPost<T>(string url, string content = ""){using (HttpClient client = new HttpClient()){client.Timeout = TimeSpan.FromSeconds(30);var request = new HttpRequestMessage(HttpMethod.Post, url);request.Content = new StringContent(content, Encoding.UTF8, "application/json");try{var response = client.Send(request);if (response != null && response.StatusCode == HttpStatusCode.OK){var responseStr = response.Content.ReadAsStringAsync().Result;if (string.IsNullOrEmpty(responseStr) == false)return JsonSerializer.Deserialize<T>(responseStr);}else{Log.Warning($"請求異常 url={url},content={content},status={response?.StatusCode}");}}catch (Exception ex){Log.Error($"請求異常 url={url},content={content},{ex.ToString()}");}return default(T);}}/// <summary>/// 發送HttpPost請求/// </summary>/// <typeparam name="T"></typeparam>/// <param name="url"></param>/// <param name="content"></param>/// <param name="token"></param>/// <returns></returns>public static HttpResult<T> HttpPostX<T>(string url, string content = "", string token = ""){var returnDto = new HttpResult<T>();using (HttpClient client = new HttpClient()){client.Timeout = TimeSpan.FromSeconds(30);var request = new HttpRequestMessage(HttpMethod.Post, url);request.Content = new StringContent(content, Encoding.UTF8, "application/json");if (!string.IsNullOrEmpty(token)){request.Headers.Add("Authentication", token);}try{var response = client.Send(request);return HandleResopnse<T>(response);}catch (Exception ex){Log.Error($"請求異常 url={url},content={content},msg={ex.ToString()}");}return returnDto;}}/// <summary>/// 發送HttpPost請求/// </summary>/// <typeparam name="T"></typeparam>/// <param name="url"></param>/// <param name="token"></param>/// <returns></returns>public static HttpResult<T> HttpGetX<T>(string url, string token = ""){var returnDto = new HttpResult<T>();using (HttpClient client = new HttpClient()){client.Timeout = TimeSpan.FromSeconds(30);var request = new HttpRequestMessage(HttpMethod.Get, url);if (!string.IsNullOrEmpty(token)){request.Headers.Add("Authentication", token);}try{var response = client.Send(request);return HandleResopnse<T>(response);}catch (Exception ex){Log.Error($"請求異常 url={url},msg={ex}");}return returnDto;}}public static HttpResult<T> HandleResopnse<T>(HttpResponseMessage response){var returnDto = new HttpResult<T>();if (response != null && response.StatusCode == HttpStatusCode.OK){returnDto.StatusCode = 200;returnDto.IsSuccess = true;returnDto.Msg = "請求成功";var responseStr = response.Content.ReadAsStringAsync().Result;if (string.IsNullOrEmpty(responseStr) == false){var responseObj = JsonSerializer.Deserialize<T>(responseStr);returnDto.Result = responseObj;}}else if (response != null && response.StatusCode == HttpStatusCode.Unauthorized){returnDto.StatusCode = 401;returnDto.IsSuccess = false;returnDto.Msg = "未認證";var responseStr = response.Content.ReadAsStringAsync().Result;if (string.IsNullOrEmpty(responseStr) == false){returnDto.Msg += $"：{responseStr}";}Log.Warning($"請求異常 status={response?.StatusCode},返回信息={responseStr}");}else{returnDto.IsSuccess = false;returnDto.StatusCode = response == null ? 500 : (int)response.StatusCode;returnDto.Msg = "請求異常";var responseStr = response?.Content.ReadAsStringAsync().Result;if (string.IsNullOrEmpty(responseStr) == false){returnDto.Msg += $"：{responseStr}";}Log.Warning($"請求異常 status={response?.StatusCode},返回信息={responseStr}");}return returnDto;}}
}