C implements express api interface call methods
- 2021-01-03 21:02:04
- OfStack
No platform restrictions, relying on express api network interface
---------------- Entity class
[DataContract]
public class SyncResponseEntity
{
public SyncResponseEntity() { }
/// <summary>
/// Need to check the express code
/// </summary>
[DataMember(Order = 0, Name = "id")]
public string ID { get; set; }
/// <summary>
/// The name of the Courier that needs to be inquired
/// </summary>
[DataMember(Order = 1, Name = "name")]
public string Name { get; set; }
/// <summary>
/// Need to check the express tracking number
/// </summary>
[DataMember(Order = 2, Name = "order")]
public string Order { get; set; }
/// <summary>
/// The message content
/// </summary>
[DataMember(Order = 5, Name = "message")]
public string Message { get; set; }
/// <summary>
/// Server status
/// </summary>
[DataMember(Order = 6, Name = "errcode")]
public string ErrCode { get; set; }
/// <summary>
/// Waybill state
/// </summary>
[DataMember(Order = 7, Name = "status")]
public int Status { get; set; }
/// <summary>
/// Track record
/// </summary>
[DataMember(Order = 8, Name = "data")]
public List<Order> Data { get; set; }
}
[DataContract(Name = "data")]
public class Order
{
public Order() { }
public Order(string time, string content)
{
this.Time = time;
this.Content = content;
}
[DataMember(Order = 0, Name = "time")]
public string Time { get; set; }
[DataMember(Order = 1, Name = "content")]
public string Content { get; set; }
}
--------- A method is called
public static int uid = Utils.GetAppConfig<int>("KUAIDIAPI_UID", 0);
public static string sync_url = Utils.GetAppConfig<string>("KUAIDIAPI_SYNC_URL", string.Empty);
public static string key = Utils.GetAppConfig<string>("KUAIDIAPI_KEY", string.Empty);
/// <summary>
/// Synchronize the single number query method
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="id"></param>
/// <param name="order"></param>
/// <param name="isSign"></param>
/// <param name="isLast"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static T APIQueryDataSYNC<T>(string id,
string order,
bool isSign,
bool isLast,
T defaultValue)
{
try
{
string currTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
string currKey = key;
if (isSign)
{
currKey = Utils.GetSign(uid, key, id, order, currTime);
currKey += "&issign=true";
}
string url = sync_url + string.Format("?uid={0}&key={1}&id={2}&order={3}&time={4}",
uid, currKey, id, order, HttpUtility.UrlEncode(currTime));
string html = Utils.GET_WebRequestHTML("utf-8", url);
if (!string.IsNullOrEmpty(html))
return Utils.JsonToObj<T>(html, defaultValue);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
return defaultValue;
}
}
/// <summary>
/// Auxiliary tool class
/// </summary>
public class Utils
{
public static string GetSign(int uid, string key, string id, string order, string time)
{
string sign = string.Format("uid={0}&key={1}&id={2}&order={3}&time={4}",
uid,
key,
id,
HttpUtility.UrlEncode(order.ToLower()),
HttpUtility.UrlEncode(time));
return Md5Encrypt(sign.ToLower(), "utf-8");
}
public static string Md5Encrypt(string strToBeEncrypt, string encodingName)
{
MD5 md5 = new MD5CryptoServiceProvider();
Byte[] FromData = System.Text.Encoding.GetEncoding(encodingName).GetBytes(strToBeEncrypt);
Byte[] TargetData = md5.ComputeHash(FromData);
string Byte2String = "";
for (int i = 0; i < TargetData.Length; i++)
{
Byte2String += TargetData[i].ToString("x2");
}
return Byte2String;
}
public static T GetRequest<T>(string key, T defaultValue)
{
string value = HttpContext.Current.Request[key];
if (string.IsNullOrEmpty(value))
{
return defaultValue;
}
else
{
try
{
return (T)Convert.ChangeType(value, typeof(T));
}
catch
{
return defaultValue;
}
}
}
public static T GetAppConfig<T>(string key, T defaultValue)
{
string value = ConfigurationManager.AppSettings[key];
if (string.IsNullOrEmpty(value))
{
return defaultValue;
}
else
{
try
{
return (T)Convert.ChangeType(value, typeof(T));
}
catch
{
return defaultValue;
}
}
}
public static string ObjToJson<T>(T data)
{
try
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(data.GetType());
using (MemoryStream ms = new MemoryStream())
{
serializer.WriteObject(ms, data);
return Encoding.UTF8.GetString(ms.ToArray());
}
}
catch
{
return null;
}
}
public static T JsonToObj<T>(string json, T defaultValue)
{
try
{
System.Runtime.Serialization.Json.DataContractJsonSerializer serializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(T));
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))
{
object obj = serializer.ReadObject(ms);
return (T)Convert.ChangeType(obj, typeof(T));
}
}
catch
{
return defaultValue;
}
}
public static T XmlToObj<T>(string xml, T defaultValue)
{
try
{
System.Runtime.Serialization.DataContractSerializer serializer = new System.Runtime.Serialization.DataContractSerializer(typeof(T));
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(xml)))
{
object obj = serializer.ReadObject(ms);
return (T)Convert.ChangeType(obj, typeof(T));
}
}
catch
{
return defaultValue;
}
}
public static string ObjToXml<T>(T data)
{
System.Runtime.Serialization.DataContractSerializer serializer = new System.Runtime.Serialization.DataContractSerializer(typeof(T));
using (MemoryStream ms = new MemoryStream())
{
serializer.WriteObject(ms, data);
return Encoding.UTF8.GetString(ms.ToArray());
}
}
public static string GET_WebRequestHTML(string encodingName, string htmlUrl)
{
string html = string.Empty;
try
{
Encoding encoding = Encoding.GetEncoding(encodingName);
WebRequest webRequest = WebRequest.Create(htmlUrl);
HttpWebResponse httpWebResponse = (HttpWebResponse)webRequest.GetResponse();
Stream responseStream = httpWebResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream, encoding);
html = streamReader.ReadToEnd();
httpWebResponse.Close();
responseStream.Close();
streamReader.Close();
}
catch (WebException ex)
{
throw new Exception(ex.Message);
}
return html;
}
/// <summary>
/// Converts the url class to a text string post request
/// </summary>
/// <param name="data"> to post The data of </param>
/// <param name="url"> The target url</param>
/// <returns> Server response </returns>
public static string POST_HttpWebRequestHTML( string encodingName,
string htmlUrl,
string postData)
{
string html = string.Empty;
try
{
Encoding encoding = Encoding.GetEncoding(encodingName);
byte[] bytesToPost = encoding.GetBytes(postData);
WebRequest webRequest = WebRequest.Create(htmlUrl);
HttpWebRequest httpRequest = webRequest as System.Net.HttpWebRequest;
httpRequest.Method = "POST";
httpRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
httpRequest.ContentType = "application/x-www-form-urlencoded";
httpRequest.ContentLength = bytesToPost.Length;
httpRequest.Timeout = 15000;
httpRequest.ReadWriteTimeout = 15000;
Stream requestStream = httpRequest.GetRequestStream();
requestStream.Write(bytesToPost, 0, bytesToPost.Length);
requestStream.Close();
HttpWebResponse httpWebResponse = (HttpWebResponse)httpRequest.GetResponse();
Stream responseStream = httpWebResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream, encoding);
html = streamReader.ReadToEnd();
}
catch (WebException ex)
{
throw new Exception(ex.Message);
}
return html;
}
}
/// <summary>
/// The interface type
/// </summary>
public enum APIType
{
// Synchronous query
SYNC = 1
}Basically the code is up there. Apply for one uid with ES5en.kuaidiapi.cn and you are done.
This is the end of this article, I hope you enjoy it.