软件公司讲解开发C#.net调用WebApi
public static class WebApiCaller
{
public static string HttpPost(string url, string body)
{
try
{
//ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
Encoding encoding = Encoding.UTF8;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.Accept = "application/json, text/javascript, */*"; //"text/html, application/xhtml+xml, */*";
request.ContentType = "application/json; charset=utf-8";
byte[] buffer = encoding.GetBytes(body);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))
{
return reader.ReadToEnd();
}
}
catch (WebException ex)
{
var res = (HttpWebResponse)ex.Response;
StringBuilder sb = new StringBuilder();
StreamReader sr = new StreamReader(res.GetResponseStream(), Encoding.UTF8);
sb.Append(sr.ReadToEnd());
//string ssb = sb.ToString();
throw new Exception(sb.ToString());
}
}
/// <summary>
/// GET Method
/// </summary>
/// <returns></returns>
public static string HttpGet(string url)
{
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
myRequest.Method = "GET";
HttpWebResponse myResponse = null;
try
{
myResponse = (HttpWebResponse)myRequest.GetResponse();
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
string content = reader.ReadToEnd();
return content;
}
//异常请求
catch (WebException e)
{
myResponse = (HttpWebResponse)e.Response;
using (Stream errData = myResponse.GetResponseStream())
{
using (StreamReader reader = new StreamReader(errData))
{
string text = reader.ReadToEnd();
return text;
}
}
}
}
} |
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