用途：检验化验（LIS）实验室设备数据交换解析。
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Text.RegularExpressions;
namespace PT.Common
{
/// <summary>
/// HL7解析器
/// </summary>
public static class HL7ToXmlConverter
{
private static XmlDocument _xmlDoc;
/// <summary>
/// 把HL7信息转成XML形式
/// 分隔顺序
,|,~,^,&
/// </summary>
/// <param name="sHL7">HL7字符串</param>
/// <returns></returns>
public static string ConvertToXml(string sHL7)
{
_xmlDoc = ConvertToXmlObject(sHL7);
return _xmlDoc.OuterXml;
}
/// <summary>
/// 通过|分隔
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private static string[] GetMessgeFields(string s)
{
return s.Split('|');
}
/// <summary>
/// 通过^分隔
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private static string[] GetComponents(string s)
{
return s.Split('^');
}
/// <summary>
/// 通过某连接符分隔
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private static string[] GetSubComponents(string s)
{
return s.Split('&');
}
/// <summary>
/// 通过~分隔 重复
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private static string[] GetRepetitions(string s)
{
return s.Split('~');
}
/// <summary>
/// 创建XML对象
/// </summary>
/// <returns></returns>
private static XmlDocument CreateXmlDoc()
{
XmlDocument output = new XmlDocument();
XmlElement rootNode = output.CreateElement("HL7Message");
output.AppendChild(rootNode);
return output;
}
/// <summary>
/// 读取XML某节点值
/// </summary>
/// <param name="xmlObject"></param>
/// <param name="path"></param>
/// <returns></returns>
public static string GetText(XmlDocument xmlObject, string path)
{
XmlNode node = xmlObject.DocumentElement.SelectSingleNode(path);
if (node != null)
{
return node.InnerText;
}
else
{
return null;
}
}
/// <summary>
/// 读取XML某节点组的第index项
/// </summary>
/// <param name="xmlObject"></param>
/// <param name="path"></param>
/// <param name="index"></param>
/// <returns></returns>
public static string GetText(XmlDocument xmlObject, string path, int index)
{
XmlNodeList nodes = xmlObject.DocumentElement.SelectNodes(path);
if (index <= nodes.Count)
{
return nodes[index].InnerText;
}
else
{
return null;
}
}
/// <summary>
/// 读取XML某节点组
/// </summary>
/// <param name="xmlObject"></param>
/// <param name="path"></param>
/// <returns></returns>
public static String[] GetTexts(XmlDocument xmlObject, string path)
{
XmlNodeList nodes = xmlObject.DocumentElement.SelectNodes(path);
String[] arr = new String[nodes.Count];
int index = 0;
foreach (XmlNode node in nodes)
{
arr[index++] = node.InnerText;
}
return arr;
}
/// <summary>
/// HL7字符串转XML
/// </summary>
/// <param name="sHL7"></param>
/// <returns></returns>
public static XmlDocument ConvertToXmlObject(string