using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
class Program
{
static async Task Main(string[] args)
{
using (HttpClient client = new HttpClient())
{
// 设置请求的URL
string url = "https://example.com/api/endpoint";
// 创建要发送的JSON对象
var jsonContent = new
{
Property1 = "value1",
Property2 = 2,
Property3 = true
};
// 将JSON对象序列化为字符串
string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(jsonContent);
// 创建HttpContent对象,设置内容类型为application/json
HttpContent content = new StringContent(jsonString, 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);
}
}
}
}
application/json
。这个示例展示了如何在C#中通过POST方法发送JSON数据到服务器,并处理服务器返回的响应。
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