我想从 SOAP 消息中提取 SOAP 正文,我在 SOAP 正文中有一些数据,我必须在日期库中解析,所以这是代码:
public string Load_XML(string SoapMessage)
{
//check soap message
if (SoapMessage == null || SoapMessage.Length <= 0)
throw new Exception("Soap message not valid");
//declare some local variable
int iSoapBodyStartIndex = 0;
int iSoapBodyEndIndex = 0;
//load the Soap Message
//Učitaj string XML-a i pretvori ga u XML
XmlDocument doc = new XmlDocument();
try
{
doc.Load(SoapMessage);
}
catch (XmlException ex)
{
WriteErrors.WriteToLogFile("WS.LOAD_DOK_LoadXML", ex.ToString());
throw ex;
}
//search for the "http://schemas.xmlsoap.org/soap/envelope/" URI prefix
string prefix = string.Empty;
for (int i = 0; i < doc.ChildNodes.Count; i++)
{
System.Xml.XmlNode soapNode = doc.ChildNodes[i];
prefix = soapNode.GetPrefixOfNamespace("http://schemas.xmlsoap.org /soap/envelope/");
if (prefix != null && prefix.Length > 0)
break;
}
//prefix not founded.
if (prefix == null || prefix.Length <= 0)
throw new Exception("Can't found the soap envelope prefix");
//find soap body start index
int iSoapBodyElementStartFrom = SoapMessage.IndexOf("<" + prefix + ":Body");
int iSoapBodyElementStartEnd = SoapMessage.IndexOf(">", iSoapBodyElementStartFrom); -> HERE I HAVE AN ERROR!!!!
iSoapBodyStartIndex = iSoapBodyElementStartEnd + 1;
//find soap body end index
iSoapBodyEndIndex = SoapMessage.IndexOf("</" + prefix + ":Body>") - 1;
//get soap body (xml data)
return SoapMessage.Substring(iSoapBodyStartIndex, iSoapBodyEndIndex - iSoapBodyStartIndex + 1);
}
我在这里遇到一个错误:
int iSoapBodyElementStartEnd = SoapMessage.IndexOf(">", iSoapBodyElementStartFrom);
错误:
指数超出范围。必须是非负数且小于集合的大小。
如果有人知道如何解决这个问题?