unity查询快递物流信息
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**最近用到，研究记录下。
这里用到的是快递100。
为了方便进行订单管理及数据分析的需求，在快递100官网注册账号较为便捷。官网提供基础版和企业版两种账号类型：基础版每天最多支持100单的处理量，并且有使用限制；企业版则会收取一定的费用。
官网链接：https://api.kuaidi100.com
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2，申请完毕，得到授权KEY。
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3，官网API：http://www.kuaidi100.com/openapi/api_post.shtml
4，API示例代码：
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5，仔细看官网示例代码，将代码复制出来，放入Unity。
官网代码：
string url = "http://poll.kuaidi100.com/poll/query.do";
Encoding encoding = Encoding.GetEncoding("utf-8");
//参数
String str = "******";
String param = "{\"com\":\"******\",\"num\":\"" + str + "\",\"from\":\"\",\"to\":\"\"}";
String customer = "******";
String key = "******";
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] InBytes = Encoding.GetEncoding("UTF-8").GetBytes(param + key + customer);
byte[] OutBytes = md5.ComputeHash(InBytes);
string OutString = "";
for (int i = 0; i < OutBytes.Length; i++)
{
OutString += OutBytes[i].ToString("x2");
}
String sign = OutString.ToUpper();
IDictionary parameters = new Dictionary();
parameters.Add("param", param);
parameters.Add("customer", customer);
parameters.Add("sign", sign);
HttpWebResponse response = Program.CreatePostHttpResponse(url, parameters, encoding);
//打印返回值
Stream stream = response.GetResponseStream(); //获取响应的字符串流
StreamReader sr = new StreamReader(stream); //创建一个stream读取流
string html = sr.ReadToEnd(); //从头读到尾，放到字符串html
Console.WriteLine(html);
cs
6步完成后的总结：经过仔细阅读官方文档后……
public string Code;//快递公司编码（在下面文档）
public string ExpressNumber;//快递编号
public string customer;//公司编号，申请得到的KEY里面有，替换成自己的customer
public string key;//KEY，申请得到的KEY里面有，替换成自己的key
void init()
{
string url = "http://poll.kuaidi100.com/poll/query.do";
Encoding encoding = Encoding.GetEncoding("utf-8");
//参数
string param = "{\"com\":\"" + Code + "\",\"num\":\"" + ExpressNumber + "\",\"phone\":\"\",\"from\":\"\",\"to\":\"\"}";
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] InBytes = Encoding.GetEncoding("UTF-8").GetBytes(param + key + customer);
byte[] OutBytes = md5.ComputeHash(InBytes);
string OutString = "";
for (int i = 0; i < OutBytes.Length; i++)
{
OutString += OutBytes[i].ToString("x2");
}
string sign = OutString.ToUpper();
Debug.Log(sign);
Dictionary<string, string> parameters = new Dictionary<string, string>();
parameters.Add("param", param);
parameters.Add("customer", customer);
parameters.Add("sign", sign);
HttpWebResponse response = (HttpWebResponse)CreatePostHttpResponse(url, parameters, encoding).GetResponse();
//打印返回值
Stream stream = response.GetResponseStream(); //获取响应的字符串流
StreamReader sr = new StreamReader(stream); //创建一个stream读取流
string html = sr.ReadToEnd(); //从头读到尾，放到字符串html
//Console.WriteLine(html);
Debug.Log(html);
}
//官网没有的补上
public HttpWebRequest CreatePostHttpResponse(string url, Dictionary<string, string> param, Encoding encoding)
{
StringBuilder postData = new StringBuilder();
if (param != null && param.Count > 0)
{
foreach (var p in param)
{
if (postData.Length > 0)
{
postData.Append("&");
}
postData.Append(p.Key);
postData.Append("=");
postData.Append(p.Value);
}
Debug.Log(postData);
}
byte[] byteData = encoding.GetBytes(postData.ToString());
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.ContentType = "application/x-www-form-urlencoded";
request.Referer = url;
request.Accept = "*/*";
request.Timeout = 30 * 1000;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
request.Method = "POST";
request.ContentLength = byteData.Length;
Stream stream = request.GetRequestStream();
stream.Write(byteData, 0, byteData.Length);
stream.Flush();
stream.Close();
return request;
}
catch (Exception)
{
throw;
}
}
cs
7,结果：
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无此问题，则当前已获取相关信息；即可完成JSON数据的解析工作。
注：技术不断更新，请随时关注官方文档。** 源码，需要的朋友可以下载下。
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