http://bbs.csdn.net/topics/390883361
来自此处.
问题.某个接口.返回错误消息用的是400.所以必须知道具体的内容.
using System;
using System.IO;
using System.Net;
public class Test
{ static void Main()
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://csharpindepth.com/asd");
try
{
using (Stream data = request.GetResponse().GetResponseStream())
{
using (StreamReader reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
Console.WriteLine(text);
}
}
}
catch (WebException ex)
{
HttpWebResponse response = (HttpWebResponse) ex.Response;
Console.WriteLine("Error code: {0}", response.StatusCode);
if (response.StatusCode == HttpStatusCode.BadRequest)
{
using (Stream data = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
Console.WriteLine(text);
}
}
}
}
}
}感谢@save4me