/// <summary>
/// 从服务器上 获取此次要请求信息的城市列表
/// </summary>
/// <returns></returns>
private string GetCityListFromServer()
{
string requrl = string.Format("{0}?accesskey={1}&MAC={2}&requesttype={3}", m_baseUrl, m_accessKey, m_LoaclMac, "getcitylist");
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(requrl);
request.Method = "GET";
request.Timeout = 120000;
WebResponse response = request.GetResponse();
Stream responseStream = response.GetResponseStream();
if (responseStream.CanSeek && responseStream.CanRead)
{
responseStream.Seek(0, SeekOrigin.Begin);
}
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
string responseStr = reader.ReadToEnd();
if (!string.IsNullOrEmpty(responseStr))
{
LogInfoHelper.WriteRunTimeMessage(string.Format("发出请求城市列表请求 URL为{0} \r\n 服务器相应数据为{1}", requrl, responseStr), RunTimeMessageType.Log, true);
}
else
{
LogInfoHelper.WriteRunTimeMessage(string.Format("服务器返回数据接收错误 发出请求城市列表请求 URL为{0}", requrl), RunTimeMessageType.Exception, true);
}
return(responseStr);
}
/// <summary>
/// 使用指定的AK和城市列表返回城市列表中的城市的天气信息集合
/// </summary>
/// <param name="cityList">城市名称的数组</param>
/// <param name="currentAk">用于此次请求的AK信息</param>
/// <returns></returns>
private List <AirDataInfo> GetCityInfo(string[] cityList, string currentAk)
{
List <AirDataInfo> result = new List <AirDataInfo>();
foreach (string cityName in cityList)
{
string Url = "https://free-api.heweather.com/v5/weather?key=@key&city=@city";
Url = Url.Replace("@key", currentAk);
Url = Url.Replace("@city", cityName);
GetHTTPInfo getHttp = new GetHTTPInfo();
string airInfoResponse = getHttp.GetHttpResponse(Url);
IAnalyseWeatherAble analyse = new AnalyseHeFeng();
AirDataInfo airInfo;
try
{
airInfo = analyse.GetAirDataInfo(cityName, airInfoResponse);
result.Add(airInfo);
}
catch (Exception exp)
{
LogInfoHelper.WriteRunTimeMessage(string.Format("解析天气字符信息时出现异常 \r\r 异常信息为:{0}\r\n 调用堆栈信息为 :{1}", exp.Message, exp.StackTrace), RunTimeMessageType.Exception, true);
}
}
return(result);
}
/// <summary>
/// 后台线程入口函数
/// </summary>
private void ThreadMethodHandle()
{
while (true)
{
try
{
string responseCityListStr = GetCityListFromServer();
bool isHaveCity;
string currentAK = string.Empty;
string[] cityList = GetCityList(responseCityListStr, out isHaveCity, out currentAK);
List <AirDataInfo> cityInfoList = null;
if (isHaveCity)
{
cityInfoList = GetCityInfo(cityList, currentAK);
}
else
{
LogInfoHelper.WriteRunTimeMessage("请求城市列表但城市列表为空,无城市可刷新数据", RunTimeMessageType.Log, true);
}
try
{
if (isHaveCity && cityInfoList != null && cityInfoList.Count > 0)
{
SendCityInfo(cityInfoList);
}
}
catch (Exception exp)
{
LogInfoHelper.WriteRunTimeMessage(string.Format("向服务器提交城市数据时发生异常\r\n 异常消息为->{0}\r\n异常堆栈信息->{1}", exp.Message, exp.StackTrace), RunTimeMessageType.Exception, true);
}
}
catch (Exception exp)
{
LogInfoHelper.WriteRunTimeMessage(string.Format("最外层捕获到的异常信息,最后的查找点 异常信息为 {0} 堆栈信息为{1}", exp.Message, exp.StackTrace), RunTimeMessageType.Exception, true);
continue;
}
Thread.Sleep(600000);
}
}
/// <summary>
/// 向服务器中发送此次获取到的城市数据信息 并返回服务器返回的响应信息
/// </summary>
/// <param name="cityInfoList">获取到的城市信息集合 </param>
/// <returns></returns>
private bool SendCityInfo(List <AirDataInfo> cityInfoList)
{
string requrl = string.Format("{0}?accesskey={1}&MAC={2}&requesttype={3}", m_baseUrl, m_accessKey, m_LoaclMac, "updatecitydata");
string formDate = GetFormStr(cityInfoList);
//string encodedFormData = HttpUtility.UrlEncode(formDate,Encoding.GetEncoding("gb2312"));
byte[] formDateBytes = Encoding.UTF8.GetBytes(formDate);
System.Net.
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(requrl);
request.Method = "POST";
request.ContentType = "multipart/form-data";
request.Timeout = 120000;
request.ContentLength = formDateBytes.Length;
using (Stream stream = request.GetRequestStream())
{
stream.Write(formDateBytes, 0, formDateBytes.Length);
}
using (WebResponse wr = request.GetResponse())
{
using (Stream stream = wr.GetResponseStream())
{
if (stream.CanSeek)
{
stream.Seek(0, SeekOrigin.Begin);
StreamReader reader = new StreamReader(stream);
string responseStr = reader.ReadToEnd();
LogInfoHelper.WriteRunTimeMessage(string.Format("服务器响应更新城市数据的字符信息 {0}", responseStr), RunTimeMessageType.Log, true);
}
else
{
StreamReader reader = new StreamReader(stream);
string responseStr = reader.ReadToEnd();
LogInfoHelper.WriteRunTimeMessage(string.Format("服务器响应更新城市数据的字符信息 {0}", responseStr), RunTimeMessageType.Log, true);
}
}
}
return(true);
}
/// <summary>
/// 封装专职用于写入解析server返回数据异常的方法
/// </summary>
/// <param name="responseStr"></param>
private void WriteAnalyseException(string responseStr)
{
LogInfoHelper.WriteRunTimeMessage(string.Format("分析城市列表响应结果时出现异常 \r\n返回的字符串信为{0}", responseStr), RunTimeMessageType.Exception, true);
}
/// <summary>
/// 根据服务器返回的字符串信息返回此次分配的城市列表，并返回是否存在城市可以请求的bool值 、如果有则返回此次请求分配的key
/// </summary>
/// <param name="responseStr">服务器返回的城市列表字符串</param>
/// <param name="isHaveCity">返回是否存在城市可以请求</param>
/// <param name="currentKey">如果有城市可以请求则返回此次请求分配使用key</param>
/// <returns></returns>
private string[] GetCityList(string responseStr, out bool isHaveCity, out string currentKey)
{
string[] result = null;
isHaveCity = false;
currentKey = string.Empty;
try
{
string[] splitArr = responseStr.Split(new string[] { "\r\n" }, 10, StringSplitOptions.RemoveEmptyEntries);
if (splitArr.Length == 3)
{
string[] strArr = splitArr[0].Split(':');
#region Status 部分
if (strArr.Length == 2 && strArr[0] == "status")
{
if (strArr[1] == "OK")
{
isHaveCity = true;
}
else
{
return(result);
}
}
else
{
WriteAnalyseException(responseStr);
}
#endregion
strArr = splitArr[1].Split(':');
#region AK部分
if (strArr.Length == 2 && strArr[0] == "ak")
{
if (!string.IsNullOrEmpty(strArr[1]) && strArr[1].Length == 32)
{
currentKey = strArr[1];
}
}
else
{
WriteAnalyseException(responseStr);
}
#endregion
strArr = splitArr[2].Split(':');
#region CityList 部分
if (strArr.Length == 2 && strArr[0] == "message")
{
if (!string.IsNullOrEmpty(strArr[1]))
{
string cityListStr = strArr[1];
string[] singleCityNameArr = cityListStr.Split(',');
if (singleCityNameArr.Length > 0)
{
result = singleCityNameArr;
}
}
}
else
{
WriteAnalyseException(responseStr);
}
#endregion
}
else
{
WriteAnalyseException(responseStr);
}
}
catch (Exception exp)
{
LogInfoHelper.WriteRunTimeMessage(string.Format("分析城市列表过程中发生CLR异常\r\n 异常消息为 {0}\r\n 异常调用栈为 {1}\r\n 响应体信息为{2}\r\n ", exp.Message, exp.StackTrace, responseStr), RunTimeMessageType.Exception, true);
}
return(result);
}