C# 封装完善些的网络编程

淡淡的烟草味﹌ 2022-12-05 05:24 78阅读 0赞

public class RestClient
        {
            private string BaseUri;
            public RestClient(string baseUri)
            {
                this.BaseUri = baseUri;
            }
    
            #region Get请求
            public string Get(string uri)
            {
                //先根据用户请求的uri构造请求地址
                string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
                //创建Web访问对  象
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
                //通过Web访问对象获取响应内容
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                reader.Close();
                myResponse.Close();
                return returnXml;
            }
            #endregion
    
            #region Post请求
            public string Post(string data, string uri)
            {
                //先根据用户请求的uri构造请求地址
                string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
                //创建Web访问对象
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
                //把用户传过来的数据转成“UTF-8”的字节流
                byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);
    
                myRequest.Method = "POST";
                myRequest.ContentLength = buf.Length;
                myRequest.ContentType = "application/json";
                myRequest.MaximumAutomaticRedirections = 1;
                myRequest.AllowAutoRedirect = true;
                //发送请求
                Stream stream = myRequest.GetRequestStream();
                stream.Write(buf, 0, buf.Length);
                stream.Close();
    
                //获取接口返回值
                //通过Web访问对象获取响应内容
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                reader.Close();
                myResponse.Close();
                return returnXml;
    
            }
            #endregion
    
            #region Put请求
            public string Put(string data, string uri)
            {
                //先根据用户请求的uri构造请求地址
                string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
                //创建Web访问对象
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
                //把用户传过来的数据转成“UTF-8”的字节流
                byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);
    
                myRequest.Method = "PUT";
                myRequest.ContentLength = buf.Length;
                myRequest.ContentType = "application/json";
                myRequest.MaximumAutomaticRedirections = 1;
                myRequest.AllowAutoRedirect = true;
                //发送请求
                Stream stream = myRequest.GetRequestStream();
                stream.Write(buf, 0, buf.Length);
                stream.Close();
    
                //获取接口返回值
                //通过Web访问对象获取响应内容
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                reader.Close();
                myResponse.Close();
                return returnXml;
    
            }
            #endregion
    
    
            #region Delete请求
            public string Delete(string data, string uri)
            {
                //先根据用户请求的uri构造请求地址
                string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
                //创建Web访问对象
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
                //把用户传过来的数据转成“UTF-8”的字节流
                byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);
    
                myRequest.Method = "DELETE";
                myRequest.ContentLength = buf.Length;
                myRequest.ContentType = "application/json";
                myRequest.MaximumAutomaticRedirections = 1;
                myRequest.AllowAutoRedirect = true;
                //发送请求
                Stream stream = myRequest.GetRequestStream();
                stream.Write(buf, 0, buf.Length);
                stream.Close();
    
                //获取接口返回值
                //通过Web访问对象获取响应内容
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                reader.Close();
                myResponse.Close();
                return returnXml;
    
            }
    
            /// <summary>
            /// 获取时间戳
            /// </summary>
            /// <returns></returns>
            public string GetTimeStamp()
            {
                TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
                return Convert.ToInt64(ts.TotalMilliseconds).ToString();
            }
            #endregion
    
            public string sha256(string data)
            {
                byte[] bytes = Encoding.UTF8.GetBytes(data);
                byte[] hash = SHA256Managed.Create().ComputeHash(bytes);
    
                StringBuilder builder = new StringBuilder();
                for (int i = 0; i < hash.Length; i++)
                {
                    builder.Append(hash[i].ToString("X2"));
                }
    
                return builder.ToString();
            }

RestClient client = new RestClient("https://openapi.keruyun.com");
                timestamp = client.GetTimeStamp();
    string res = client.Get("open/v1/token/get?appKey=" + appKey + "&shopIdenty=" + shopIdenty + "&version=" + version + "&timestamp=" + timestamp + "&sign=" + sign);