/// <summary>
/// 根据Tag名读值
/// </summary>
/// <param name="tagName">Tag名</param>
/// <returns></returns>
public ValueItem Read(string tagName)
{
string result = "";
ValueItem valueItem = new ValueItem();
if (tagName == null)
{
return(null);
}
try
{
_response = _client.GetAsync(string.Format("/DataService/webapi/ReadTagValue?path={0}", tagName)).Result;
if (_response.IsSuccessStatusCode)
{
result = _response.Content.ReadAsStringAsync().Result;
}
if (DataFormatter == "Xml")
{
using (StringReader sr = new StringReader(result))
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(ValueItem), "SieSCADAWebAPI"); //去掉命名空间
valueItem = xmlSerializer.Deserialize(sr) as ValueItem;
}
}
if (DataFormatter == "Json")
{
valueItem = Newtonsoft.Json.JsonConvert.DeserializeObject <ValueItem>(result);
}
}
catch (Exception ex)
{
throw ex;
}
return(valueItem);
}
/// <summary>
/// 向设备变量写值
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public bool WriteIOTag(ValueItem value)
{
bool result = true;
string resultResponse = "";
if (value == null)
{
return(false);
}
try
{
if (DataFormatter == "Xml")
{
string xmlString = TurnToXml <ValueItem>(typeof(ValueItem), value);
HttpContent httpContent = new StringContent(xmlString, Encoding.UTF8);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/xml");
var response = _client.PutAsync("/DataService/webapi/WriteIOTag", httpContent).Result;
if (response.IsSuccessStatusCode)
{
resultResponse = response.Content.ReadAsStringAsync().Result;
string newXml = System.Text.RegularExpressions.Regex.Replace(resultResponse, @"(xmlns:?[^=]*=[""][^""]*[""])", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase |
System.Text.RegularExpressions.RegexOptions.Multiline);
using (StringReader sr = new StringReader(newXml))
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(string)); //去掉命名空间
resultResponse = xmlSerializer.Deserialize(sr).ToString();
}
}
else
{
return(false);
}
}
if (DataFormatter == "Json")
{
string jsonString = JsonSerialize(value);
//设置Json格式，把参数以Json格式上传
HttpContent httpContent = new StringContent(jsonString, Encoding.UTF8);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = _client.PostAsync("/DataService/webapi/WriteIOTag", httpContent).Result;
if (response.IsSuccessStatusCode)
{
resultResponse = response.Content.ReadAsStringAsync().Result;
resultResponse = Newtonsoft.Json.JsonConvert.DeserializeObject <string>(resultResponse);
}
else
{
return(false);
}
}
}
catch (Exception e)
{
throw e;
}
string[] sArrays = resultResponse.Split(';');
foreach (var sArray in sArrays)
{
if (sArray.ToLower() == "false")
{
result = false;
}
}
return(result);
}
