using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
public class PostExample
{
public static async Task Main(string[] args)
{
using (HttpClient client = new HttpClient())
{
// 设置请求的URL
string url = "https://example.com/api/data";
// 创建要发送的数据对象
var data = new
{
Name = "John Doe",
Age = 30,
Email = "john.doe@example.com"
};
// 将数据序列化为JSON字符串
string jsonContent = Newtonsoft.Json.JsonConvert.SerializeObject(data);
// 创建HttpContent对象
HttpContent content = new StringContent(jsonContent, Encoding.UTF8, "application/json");
try
{
// 发送POST请求
HttpResponseMessage response = await client.PostAsync(url, content);
// 确保请求成功
response.EnsureSuccessStatusCode();
// 读取响应内容
string responseBody = await response.Content.ReadAsStringAsync();
Console.WriteLine("Response: " + responseBody);
}
catch (HttpRequestException e)
{
Console.WriteLine("Request error: " + e.Message);
}
}
}
}
此示例展示了如何使用C#发送一个包含JSON数据的POST请求,并处理响应。
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