public static string GetRequest(HttpContext context, string url)
{
Access_TokenModel model = Access_TokenDAL.GetAccessToken();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + model.access_token);
request.Method = "Get";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encoding.GetEncoding("utf-8"));
string str = reader.ReadToEnd();
return(str);
}
public static Access_TokenModel GetAccessToken()
{
if (Access_Token == null || (Access_Token != null && (DateTime.Now - GetTime).Minutes > 7200))
{
string url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "Get";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encoding.GetEncoding("utf-8"));
string str = reader.ReadToEnd();
reader.Close();
stream.Close();
Access_Token = JsonConvert.DeserializeObject <Access_TokenModel>(str);
GetTime = DateTime.Now;
}
return(Access_Token);
}
public static string PostRequest(HttpContext context, string url, string data)
{
Access_TokenModel model = Access_TokenDAL.GetAccessToken();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + model.access_token);
request.Method = "POST";
Stream postStream = request.GetRequestStream();
byte[] postDataByte = Encoding.UTF8.GetBytes(data);
postStream.Write(postDataByte, 0, postDataByte.Length);
postStream.Dispose();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encoding.GetEncoding("utf-8"));
string str = reader.ReadToEnd();
return(str);
}
public static string Post_Media(HttpContext context, byte[] bArr, string fileName, string permanetOrTemp)
{
Access_TokenModel model = Access_TokenDAL.GetAccessToken();
string url = "https://api.weixin.qq.com/cgi-bin/" + permanetOrTemp + "?type=image&access_token=" + model.access_token;
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
request.Method = "Post";
string boundary = DateTime.Now.Ticks.ToString("-");
request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
//请求头部信息
StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"{1}\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", fileName, permanetOrTemp.Contains("add_material") ? "media" : "file"));
byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());
Stream postStream = request.GetRequestStream();
postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
postStream.Write(bArr, 0, bArr.Length);
postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
postStream.Close();
//发送请求并获取相应回应数据
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
//直到request.GetResponse()程序才开始向目标网页发送Post请求
Stream instream = response.GetResponseStream();
StreamReader sr = new StreamReader(instream, Encoding.UTF8);
//返回结果网页（html）代码
string content = sr.ReadToEnd();
return(content);
}
