89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System.IO;
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using System.Net;
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using System.Net.Http;
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using System.Text;
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namespace Ramitta.lib
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{
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public static class HttpHelper
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{
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// 异步发送HTTP GET请求
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public static async Task<string> SendHttpGetAsync(string url, int timeout = 10000)
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{
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try
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{
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Method = "GET";
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request.Timeout = timeout;
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using (HttpWebResponse response = (HttpWebResponse)await request.GetResponseAsync())
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using (Stream stream = response.GetResponseStream())
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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return await reader.ReadToEndAsync();
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"GET请求失败: {ex.Message}");
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}
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}
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public static async Task<string> SendHttpPostAsync(string url, string jsonData, int timeout = 10000, bool bypassProxy = true)
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{
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try
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{
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var handler = new HttpClientHandler();
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if (bypassProxy)
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{
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// 方法1：不使用代理
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handler.UseProxy = false;
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handler.Proxy = null;
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// 方法2：指定某些地址不代理
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// handler.Proxy = new WebProxy();
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// handler.UseProxy = true;
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// handler.PreAuthenticate = true;
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}
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else
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{
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// 使用系统代理
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handler.UseProxy = true;
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handler.Proxy = WebRequest.GetSystemWebProxy();
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}
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// 可选：禁用自动重定向
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handler.AllowAutoRedirect = false;
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using (var client = new HttpClient(handler))
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{
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client.Timeout = TimeSpan.FromMilliseconds(timeout);
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var content = new StringContent(jsonData, Encoding.UTF8, "application/json");
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var response = await client.PostAsync(url, content);
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// 确保成功状态
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if (!response.IsSuccessStatusCode)
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{
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var errorContent = await response.Content.ReadAsStringAsync();
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throw new Exception($"HTTP错误 {(int)response.StatusCode} ({response.StatusCode}): {errorContent}");
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}
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return await response.Content.ReadAsStringAsync();
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}
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}
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catch (HttpRequestException ex)
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{
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throw new Exception("HTTP请求失败: " + ex.Message);
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}
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catch (TaskCanceledException ex)
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{
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throw new Exception("请求超时: " + ex.Message);
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}
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catch (Exception ex)
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{
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throw new Exception("POST请求失败: " + ex.Message);
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}
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}
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}
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}
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