Question

如何在.net中模拟post方式提交json数据

Answer 1

using System;
using System.IO;
using System.IO.Compression;
using System.Net;
using System.Net.Cache;
using System.Text;

public class Spider
{
public static string GetHtmlByJson(string url, string json = "")
{
var result = string.Empty;

try
{
var request = WebRequest.Create(url) as HttpWebRequest;
request.ContentType = "text/json";
request.Method = "post";
//request.CookieContainer = _cookie;

using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();

var response = (HttpWebResponse)request.GetResponse();

using (var reader = new StreamReader(response.GetResponseStream()))
{
result = reader.ReadToEnd();
}
}
}
catch (UriFormatException uex)
{
// 出错处理
}
catch (WebException ex)
{
// 出错处理
}

return result;
}
}

Answer 2

使用WebClient类