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1、基于基于 C#的全国邮政编码查询接口调用代码实例的全国邮政编码查询接口调用代码实例代码描述：基于 C#的全国邮政编码查询接口调用代码实例 代码平台：聚合数据using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using System.IO; using Xfrog.Net; using System.Diagnostics; using System.Web;/- / 邮编查询调用示例代码 聚合数据 / 在线接口文档：http:/ / 代码
2、中 JsonObject 类下载地址:http:/ 206021155665/7458439 /-namespace ConsoleAPI class Programstatic void Main(string args)string appkey = “*“; /配置您申请的 app key/1.邮编查询地名string url1 = “http:/ parameters1 = new Dictionary();parameters1.Add(“postcode“ , “); /邮编，如：215001parameters1.Add(“key“, appkey);/你申请的 keyparam
3、eters1.Add(“page“ , “); /页数，默认 1parameters1.Add(“pagesize“ , “); /每页返回，默认:20,最 大不超过 50parameters1.Add(“dtype“ , “); /返回数据的格式,xml 或 jso n，默认 jsonstring result1 = sendPost(url1, parameters1, “get“);JsonObject newObj1 = new JsonObject(result1);String errorCode1 = newObj1“error_code“.Value;if (errorCode
4、1 = “0“)Debug.WriteLine(“成功“);Debug.WriteLine(newObj1);else/Debug.WriteLine(“失败“);Debug.WriteLine(newObj1“error_code“.Value+“:“+newOb j1“reason“.Value);/2.省份城市区域列表string url2 = “http:/ parameters2 = new Dictionary();parameters2.Add(“key“, appkey);/你申请的 keyparameters2.Add(“dtype“ , “); /返回数据的格式,xml 或
5、 jso n，默认 jsonstring result2 = sendPost(url2, parameters2, “get“);JsonObject newObj2 = new JsonObject(result2);String errorCode2 = newObj2“error_code“.Value;if (errorCode2 = “0“)Debug.WriteLine(“成功“);Debug.WriteLine(newObj2);else/Debug.WriteLine(“失败“);Debug.WriteLine(newObj2“error_code“.Value+“:“+ne
6、wOb j2“reason“.Value);/3.地名查询邮编string url3 = “http:/ parameters3 = new Dictionary();parameters3.Add(“pid“ , “); /省份 IDparameters3.Add(“cid“ , “); /城市 IDparameters3.Add(“did“ , “); /区域 IDparameters3.Add(“q“ , “); /地名关键字，如:木渎parameters3.Add(“key“, appkey);/你申请的 keyparameters3.Add(“dtype“ , “); /返回数据的格
7、式,xml 或 jso n，默认 jsonstring result3 = sendPost(url3, parameters3, “get“);JsonObject newObj3 = new JsonObject(result3);String errorCode3 = newObj3“error_code“.Value;if (errorCode3 = “0“)Debug.WriteLine(“成功“);Debug.WriteLine(newObj3);else/Debug.WriteLine(“失败“);Debug.WriteLine(newObj3“error_code“.Value
8、+“:“+newOb j3“reason“.Value);/ / Http (GET/POST)/ / 请求 URL/ 请求参数/ 请求方法/ 响应内容static string sendPost(string url, IDictionary parameters, string method)if (method.ToLower() = “post“)HttpWebRequest req = null;HttpWebResponse rsp = null;System.IO.Stream reqStream = null;tryreq = (HttpWebRequest)WebReques
9、t.Create(url);req.Method = method;req.KeepAlive = false;req.ProtocolVersion = HttpVersion.Version10;req.Timeout = 5000;req.ContentType = “application/x-www-form-urlenco ded;charset=utf-8“;byte postData = Encoding.UTF8.GetBytes(BuildQue ry(parameters, “utf8“);reqStream = req.GetRequestStream();reqStr
10、eam.Write(postData, 0, postData.Length);rsp = (HttpWebResponse)req.GetResponse();Encoding encoding = Encoding.GetEncoding(rsp.Char acterSet);return GetResponseAsString(rsp, encoding);catch (Exception ex)return ex.Message;finallyif (reqStream != null) reqStream.Close();if (rsp != null) rsp.Close();el
11、se/创建请求HttpWebRequest request = (HttpWebRequest)WebRequest.C reate(url + “?“ + BuildQuery(parameters, “utf8“);/GET 请求request.Method = “GET“;request.ReadWriteTimeout = 5000;request.ContentType = “text/html;charset=UTF-8“;HttpWebResponse response = (HttpWebResponse)request.G etResponse();Stream myResp
12、onseStream = response.GetResponseStream();StreamReader myStreamReader = new StreamReader(myResp onseStream, Encoding.GetEncoding(“utf-8“);/返回内容string retString = myStreamReader.ReadToEnd();return retString;/ / 组装普通文本请求参数。/ / Key-Value 形式请求参数字典/ URL 编码后的请求数据static string BuildQuery(IDictionary parame
13、te rs, string encode)StringBuilder postData = new StringBuilder();bool hasParam = false;IEnumerator dem = parameter s.GetEnumerator();while (dem.MoveNext()string name = dem.Current.Key;string value = dem.Current.Value;/ 忽略参数名或参数值为空的参数if (!string.IsNullOrEmpty(name)/postData.Append(name);postData.App
14、end(“=“);if (encode = “gb2312“)postData.Append(HttpUtility.UrlEncode(value, Encoding.GetEncoding(“gb2312“);else if (encode = “utf8“)postData.Append(HttpUtility.UrlEncode(value, Encoding.UTF8);elsepostData.Append(value);hasParam = true;return postData.ToString();/ / 把响应流转换为文本。/ / 响应流对象/ 编码方式/ 响应文本sta
15、tic string GetResponseAsString(HttpWebResponse rsp, Encodi ng encoding)System.IO.Stream stream = null;StreamReader reader = null;try/ 以字符流的方式读取 HTTP 响应stream = rsp.GetResponseStream();reader = new StreamReader(stream, encoding);return reader.ReadToEnd();finally/ 释放资源if (reader != null) reader.Close();if (stream != null) stream.Close();if (rsp != null) rsp.Close();
