using System;
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using System.IO;
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using System.Net;
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using System.Text;
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public static class HttpHelper
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{
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/// <summary>
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/// 发送 POST 请求（Content-Type: application/json）
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/// </summary>
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public static string HttpPost(string url, string jsonBody)
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{
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var request = (HttpWebRequest)WebRequest.Create(url);
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request.Method = "POST";
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request.ContentType = "application/json;charset=UTF-8";
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byte[] data = Encoding.UTF8.GetBytes(jsonBody);
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request.ContentLength = data.Length;
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// 写入 Body
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using (var stream = request.GetRequestStream())
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{
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stream.Write(data, 0, data.Length);
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}
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// 接收响应
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using (var response = (HttpWebResponse)request.GetResponse())
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{
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using (var reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
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{
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return reader.ReadToEnd();
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}
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}
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}
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}
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