/// <summary>
/// 网络数据请求公共函数
/// </summary>
public class HttpWebRequestCommon
{
#region 根据HTTP协议请求接口，不携带参数
/// <summary>
/// 根据HTTP协议请求接口，不携带参数
/// </summary>
/// <param name="url">请求的第三方接口地址</param>
/// <returns>接口返回的数据</returns>
public static string HttpRequest(string url)
{
//string returnData = null;
string ret = string.Empty;
try
{
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(url);
webReq.Method = "POST";
webReq.ContentType = "application/json";
Stream postData = webReq.GetRequestStream();
postData.Close();
HttpWebResponse webResp = (HttpWebResponse)webReq.GetResponse();
StreamReader sr = new StreamReader(webResp.GetResponseStream(), Encoding.UTF8);
ret = sr.ReadToEnd();
}
catch (Exception ex)
{
//LogManager.LogInstance.WriteLog("时间:" + DateTime.Now + "/n 请求出错原因" + ex.ToString());
}
return ret;
}
#endregion
#region 根据HTTP协议请求第三方接口数据，携带参数方式在地址后使用占位符拼接参数。传递格式请参照下个函数
/// <summary>
/// 根据HTTP协议请求第三方接口数据，携带参数方式在地址后使用占位符拼接参数
/// </summary>
/// <param name="PostUrl">请求的第三方地址</param>
/// <param name="postData">在地址后拼接的参数集合，传递格式请参照调用示范</param>
/// <returns>接口返回的数据格式</returns>
public static string HttpRequestUrl(string PostUrl, byte[] postData)
{
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(PostUrl);
myRequest.Method = "POST";
myRequest.ContentType = "application/x-www-form-urlencoded";
myRequest.ContentLength = postData.Length;
Stream newStream = myRequest.GetRequestStream();
// Send the data.
newStream.Write(postData, 0, postData.Length);
newStream.Flush();
newStream.Close();
string msg = string.Empty;
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
if (myResponse.StatusCode == HttpStatusCode.OK)
{
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
msg = reader.ReadToEnd();
}
return msg;
}
#endregion
#region 根据HTTP协议请求第三方接口数据，携带参数方式在地址后使用占位符拼接参数。传递格式请参照下个函数
/// <summary>
/// 根据HTTP协议请求第三方接口数据，携带参数方式在地址后使用占位符拼接参数
/// </summary>
/// <param name="PostUrl">请求的第三方地址</param>
/// <param name="postData">在地址后拼接的参数集合，传递格式请参照调用示范</param>
/// <returns>接口返回的数据格式</returns>
public static string HttpRequestUrl(string PostUrl, byte[] postData, string POSTisGET)
{
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(PostUrl);
myRequest.Method = POSTisGET;
myRequest.ContentType = "application/x-www-form-urlencoded";
myRequest.ContentLength = postData.Length;
Stream newStream = myRequest.GetRequestStream();
// Send the data.
newStream.Write(postData, 0, postData.Length);
newStream.Flush();
newStream.Close();
string msg = string.Empty;
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
if (myResponse.StatusCode == HttpStatusCode.OK)
{
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
msg = reader.ReadToEnd();
}
return msg;
}
#endregion
#region 上面HttpRequestUrl函数的调用示范，url存请求地址。参数通过字符串占位符拼接
//string url = "https://api.weixin.qq.com/cgi-bin/token";
//string postStrTpl = "grant_type=client_credential&appid={0}&secret={1}";
//UTF8Encoding encoding = new UTF8Encoding();
//byte[] postData = encoding.GetBytes(string.Format(postStrTpl, "参数一", "参数二"));
//string retString = HttpWebRequestCommon.RequestUrl(url, postData);
#endregion
#region 根据HTTP协议请求第三方接口，携带XML参数
/// <summary>
/// 根据HTTP协议请求第三方接口，携带XML参数
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="data">携带的XML数据</param>
/// <returns>接口返回的数据</returns>
public static string HttpRequestXml(string url, string data)
{
//string returnData = null;
string ret = string.Empty;
try
{
byte[] buffer = Encoding.GetEncoding("UTF-8").GetBytes(data);
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(url);
webReq.Method = "POST";
webReq.ContentType = "application/x-www-form-urlencoded";
webReq.ContentLength = buffer.Length;
Stream postData = webReq.GetRequestStream();
postData.Write(buffer, 0, buffer.Length);
postData.Close();
HttpWebResponse webResp = (HttpWebResponse)webReq.GetResponse();
StreamReader sr = new StreamReader(webResp.GetResponseStream(), Encoding.UTF8);
ret = sr.ReadToEnd();
}
catch (Exception ex)
{
//LogManager.LogInstance.WriteLog("时间:" + DateTime.Now + "/n 请求出错原因" + ex.ToString());
}
return ret;
}
#endregion
#region 根据HTTP协议请求第三方接口，携带Json参数
/// <summary>
/// 根据HTTP协议请求第三方接口，携带Json参数。
/// </summary>
/// <param name="url">请求的第三方地址</param>
/// <param name="content">Post提交数据内容(utf-8编码的)</param>
/// <returns>接口返回的数据</returns>
public static string HttpRequestJson(string url, string content)
{
string result = "";
//ServicePointManager.ServerCertificateValidationCallback += (s, cert, chain, sslPolicyErrors) => true;
//ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "POST";
req.ContentType = "application/json";
#region 添加Post 参数
byte[] data = Encoding.UTF8.GetBytes(content);
req.ContentLength = data.Length;
using (Stream reqStream = req.GetRequestStream())
{
reqStream.Write(data, 0, data.Length);
reqStream.Close();
}
#endregion
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
Stream stream = resp.GetResponseStream();
//获取响应内容
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
{
result = reader.ReadToEnd();
}
return result;
}
#endregion
}
