using Newtonsoft.Json;
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using System.Net;
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using System.Net.Http.Headers;
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using System.Text;
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using WIDESEA_Common.Log;
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namespace WIDESEA_Comm.Http
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{
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public class HttpHelper
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{
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private const int Timeout = 10 * 1000;
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public static async Task<string> GetAsync(string serviceAddress, Dictionary<string, object> parameters, string contentType = "application/json", Dictionary<string, string>? headers = null)
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{
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try
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{
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string result = string.Empty;
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using HttpClient httpClient = new HttpClient();
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httpClient.Timeout = new TimeSpan(0, 0, 60);
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// 将参数拼接到URL中
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string queryString = string.Join("&", parameters.Select(x => $"{x.Key}={x.Value}"));
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serviceAddress += "?" + queryString;
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if (headers != null)
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{
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foreach (var header in headers)
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httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
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}
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result = await httpClient.GetAsync(serviceAddress).Result.Content.ReadAsStringAsync();
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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return null;
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}
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// 用于追踪每个请求的调用次数和最后请求时间。
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private static readonly Dictionary<string, (int Count, DateTime LastRequestTime)> requestTracker = new();
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public static async Task<string> PostAsync(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
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{
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try
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{
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if (serviceAddress.Contains("http://c24-cellmi3:12020"))
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{
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// 将 JSON 字符串转换为字典
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var parameters = JsonConvert.DeserializeObject<Dictionary<string, object>>(requestJson);
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// 创建一个新的字典，排除 RequestTime 和 SessionId
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var filteredParameters = parameters.Where(p => p.Key != "RequestTime" && p.Key != "SessionId").ToDictionary(p => p.Key, p => p.Value);
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string requestKey = $"{serviceAddress}:{JsonConvert.SerializeObject(filteredParameters)}";
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// 检查请求次数和时间限制
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if (requestTracker.TryGetValue(requestKey, out var requestInfo))
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{
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if (requestInfo.Count >= 5 && DateTime.Now < requestInfo.LastRequestTime.AddMinutes(3))
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{
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// 如果请求次数超过限制且未超过10分钟，抛出异常
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throw new InvalidOperationException("请求次数已达到限制，请稍后再试。");
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}
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}
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// 更新请求跟踪信息
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if (requestTracker.ContainsKey(requestKey))
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{
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requestTracker[requestKey] = (requestInfo.Count + 1, DateTime.Now);
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}
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else
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{
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requestTracker[requestKey] = (1, DateTime.Now);
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}
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}
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string result = string.Empty;
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using (HttpContent httpContent = new StringContent(requestJson))
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{
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httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
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using HttpClient httpClient = new HttpClient();
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httpClient.Timeout = new TimeSpan(0, 0, 120);
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if (headers != null)
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{
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foreach (var header in headers)
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httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
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}
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result = await httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync();
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}
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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return null;
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}
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public static string Get(string serviceAddress, string contentType = "application/json", Dictionary<string, string>? headers = null)
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{
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try
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{
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string result = string.Empty;
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using HttpClient httpClient = new HttpClient();
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httpClient.Timeout = new TimeSpan(0, 0, 60);
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foreach (var header in headers)
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httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
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result = httpClient.GetStringAsync(serviceAddress).Result;
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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return null;
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}
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public static string Post(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
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{
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try
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{
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string result = string.Empty;
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using (HttpContent httpContent = new StringContent(requestJson))
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{
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httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
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using HttpClient httpClient = new HttpClient();
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httpClient.Timeout = new TimeSpan(0, 0, 60);
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foreach (var header in headers)
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httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
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result = httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync().Result;
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}
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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return null;
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}
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/// <summary>
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/// post请求
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/// </summary>
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/// <param name="url"></param>
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/// <param name="parm">参数</param>
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/// <param name="rquestName">接口名称,用于日志分类</param>
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/// <returns></returns>
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public static string Post(string url, object parm, string rquestName = "")
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{
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HttpWebResponse response = null;
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StreamReader resultReader = null;
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string responseContent = string.Empty;
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try
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{
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Timeout = Timeout;
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request.Method = "POST";
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request.ContentType = "application/json; charset=UTF-8";
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parm = parm ?? "";
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byte[] data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(parm));
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request.ContentLength = data.Length;
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using (Stream newStream = request.GetRequestStream())
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{
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newStream.Write(data, 0, data.Length);
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};
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response = (HttpWebResponse)request.GetResponse();
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Stream webStream = response.GetResponseStream();
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if (webStream == null)
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{
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throw new Exception("Network error");
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}
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int statsCode = (int)response.StatusCode;
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resultReader = new StreamReader(webStream, Encoding.UTF8);
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responseContent = resultReader.ReadToEnd();
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if (response != null)
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response.Close();
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if (resultReader != null)
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resultReader.Close();
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if (statsCode != 200)
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{
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throw new Exception("异常，响应码：" + statsCode.ToString());
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}
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//WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
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return responseContent;
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}
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catch (Exception ex)
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{
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WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
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throw ex;
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}
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}
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/// <summary>
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/// post请求
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/// </summary>
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/// <param name="url"></param>
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/// <param name="parm">参数</param>
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/// <param name="rquestName">接口名称,用于日志分类</param>
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/// <returns></returns>
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public static T Post<T>(string url, object parm, string rquestName = "") where T : class
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{
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HttpWebResponse response = null;
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StreamReader resultReader = null;
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string responseContent = string.Empty;
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try
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{
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Timeout = Timeout;
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request.Method = "POST";
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request.ContentType = "application/json; charset=UTF-8";
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parm = parm ?? "";
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byte[] data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(parm));
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request.ContentLength = data.Length;
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using (Stream newStream = request.GetRequestStream())
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{
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newStream.Write(data, 0, data.Length);
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};
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response = (HttpWebResponse)request.GetResponse();
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Stream webStream = response.GetResponseStream();
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if (webStream == null)
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{
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throw new Exception("Network error");
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}
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int statsCode = (int)response.StatusCode;
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resultReader = new StreamReader(webStream, Encoding.UTF8);
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responseContent = resultReader.ReadToEnd();
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if (response != null)
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response.Close();
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if (resultReader != null)
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resultReader.Close();
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if (statsCode != 200)
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{
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throw new Exception("异常，响应码：" + statsCode.ToString());
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}
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//WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
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return JsonConvert.DeserializeObject<T>(responseContent);
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}
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catch (Exception ex)
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{
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WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
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throw ex;
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}
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}
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/// <summary>
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/// get请求
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="url"></param>
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/// <param name="parm">请求参数，添加在url</param>
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/// <param name="rquestName"></param>
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/// <returns></returns>
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public static T Get<T>(string url, object parm = null, string rquestName = "") where T : class
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{
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HttpWebResponse response = null;
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StreamReader resultReader = null;
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string responseContent = string.Empty;
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try
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{
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if (parm != null)
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{
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var datas = JsonConvert.DeserializeObject<Dictionary<string, string>>(JsonConvert.SerializeObject(parm));
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var keyList = datas.Keys;
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int index = 0;
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foreach (var key in datas.Keys)
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{
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if (index == 0)
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{
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url += $"?{key}={datas[key]}";
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}
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else
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{
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url += $"&{key}={datas[key]}";
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}
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index++;
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}
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}
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Timeout = Timeout;
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request.Method = "GET";
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request.ContentType = "application/json; charset=UTF-8";
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response = (HttpWebResponse)request.GetResponse();
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Stream webStream = response.GetResponseStream();
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if (webStream == null)
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{
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throw new Exception("Network error");
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}
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int statsCode = (int)response.StatusCode;
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resultReader = new StreamReader(webStream, Encoding.UTF8);
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responseContent = resultReader.ReadToEnd();
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if (response != null)
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response.Close();
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if (resultReader != null)
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resultReader.Close();
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if (statsCode != 200)
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{
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throw new Exception("异常，响应码：" + statsCode.ToString());
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}
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WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
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return JsonConvert.DeserializeObject<T>(responseContent);
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}
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catch (Exception ex)
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{
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WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
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throw ex;
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}
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}
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}
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}
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