最近做了关于医疗的项目,用了HL7协议,以下是解析的代码:
HL7解析器:
1 using System;
2 using System.Text;
3 using System.Xml;
4 using System.IO;
5
6 namespace CA2
7 {
8 /// <summary>
9 /// HL7解析器
10 /// </summary>
11 public static class HL7ToXmlConverter
12 {
13 private static XmlDocument _xmlDoc;
14
15 /// <summary>
16 /// 把HL7信息转成XML形式
17 /// 分隔顺序 \n,|,~,^,&
18 /// </summary>
19 /// <param name="sHL7">HL7字符串</param>
20 /// <returns></returns>
21 public static string ConvertToXml(string sHL7)
22 {
23 _xmlDoc = ConvertToXmlObject(sHL7);
24 return _xmlDoc.OuterXml;
25 }
26
27 public static XmlDocument ConvertToXmlObject(string sHL7)
28 {
29 _xmlDoc = CreateXmlDoc();
30 sHL7 = sHL7.Replace("\\v","").Replace("\\u001c","");
31 sHL7 = sHL7.Replace("\\r","\n");
32 //把HL7分成段
33 string[] sHL7Lines = sHL7.Split('\n');
34
35 ////去掉XML的关键字
36 //for (int i = 0; i < sHL7Lines.Length; i++)
37 //{
38 // sHL7Lines[i] = Regex.Replace(sHL7Lines[i], @"[^ -~]", "");
39 //}
40
41 for (int i = 0; i < sHL7Lines.Length; i++)
42 {
43 // 判断是否空行
44 if (sHL7Lines[i] != string.Empty)
45 {
46 string sHL7Line = sHL7Lines[i];
47 //通过/r 或/n 回车符分隔
48 string[] sFields = HL7ToXmlConverter.GetMessgeFields(sHL7Line);
49 if (string.IsNullOrWhiteSpace(sFields[0]) == false)
50 {
51 // 为段（一行）创建第一级节点
52 if (string.IsNullOrWhiteSpace(sFields[0]) == false)
53 {
54 XmlElement el = _xmlDoc.CreateElement(sFields[0]);
55 _xmlDoc.DocumentElement.AppendChild(el);
56 // 循环每一行
57 for (int a = 0; a < sFields.Length; a++)
58 {
59 // 为字段创建第二级节点
60 XmlElement fieldEl = _xmlDoc.CreateElement(sFields[0] + "." + a.ToString());
61 //是否包括HL7的连接符
62 if (sFields[a] != @"^~\&")
63 {//0:如果这一行有任何分隔符
64 //通过~分隔
65 string[] sComponents = HL7ToXmlConverter.GetRepetitions(sFields[a]);
66 if (sComponents.Length > 1)
67 {//1:如果可以分隔
68 for (int b = 0; b < sComponents.Length; b++)
69 {
70 XmlElement componentEl = _xmlDoc.CreateElement(sFields[0] + "." + a.ToString() + "." + b.ToString());
71 //通过&分隔
72 string[] subComponents = GetSubComponents(sComponents[b]);
73 if (subComponents.Length > 1)
74 {//2.如果有字组，一般是没有的。。。
75 for (int c = 0; c < subComponents.Length; c++)
76 {
77 //修改了一个错误
78 string[] subComponentRepetitions = GetComponents(subComponents[c]);
79 if (subComponentRepetitions.Length > 1)
80 {
81 for (int d = 0; d < subComponentRepetitions.Length; d++)
82 {
83 XmlElement subComponentRepEl = _xmlDoc.CreateElement(sFields[0] + "." + a.ToString() + "." + b.ToString() + "." + c.ToString() + "." + d.ToString());
84 subComponentRepEl.InnerText = subComponentRepetitions[d];
85 componentEl.AppendChild(subComponentRepEl);
86 }
87 }
88 else
89 {
90 XmlElement subComponentEl = _xmlDoc.CreateElement(sFields[0] + "." + a.ToString() + "." + b.ToString() + "." + c.ToString());
91 subComponentEl.InnerText = subComponents[c];
92 componentEl.AppendChild(subComponentEl);
93
94 }
95 }
96 fieldEl.AppendChild(componentEl);
97 }
98 else
99 {//2.如果没有字组了，一般是没有的。。。
100 string[] sRepetitions = HL7ToXmlConverter.GetComponents(sComponents[b]);
101 if (sRepetitions.Length > 1)
102 {
103 XmlElement repetitionEl = null;
104 for (int c = 0; c < sRepetitions.Length; c++)
105 {
106 repetitionEl = _xmlDoc.CreateElement(sFields[0] + "." + a.ToString() + "." + b.ToString() + "." + c.ToString());
107 repetitionEl.InnerText = sRepetitions[c];
108 componentEl.AppendChild(repetitionEl);
109 }
110 fieldEl.AppendChild(componentEl);
111 el.AppendChild(fieldEl);
112 }
113 else
114 {
115 componentEl.InnerText = sComponents[b];
116 fieldEl.AppendChild(componentEl);
117 el.AppendChild(fieldEl);
118 }
119 }
120 }
121 el.AppendChild(fieldEl);
122 }
123 else
124 {//1:如果不可以分隔，可以直接写节点值了。
125 fieldEl.InnerText = sFields[a];
126 el.AppendChild(fieldEl);
127 }
128 }
129 else
130 {//0:如果不可以分隔，可以直接写节点值了。
131 fieldEl.InnerText = sFields[a];
132 el.AppendChild(fieldEl);
133 }
134 }
135 }
136 }
137 }
138 }
139 return _xmlDoc;
140 }
141
142 /// <summary>
143 /// 通过|分隔 字段
144 /// </summary>
145 /// <param name="s"></param>
146 /// <returns></returns>
147 private static string[] GetMessgeFields(string s)
148 {
149 return s.Split('|');
150 }
151
152 /// <summary>
153 /// 通过^分隔 组字段
154 /// </summary>
155 /// <param name="s"></param>
156 /// <returns></returns>
157 private static string[] GetComponents(string s)
158 {
159 return s.Split('^');
160 }
161
162 /// <summary>
163 /// 通过&分隔 子分组组字段
164 /// </summary>
165 /// <param name="s"></param>
166 /// <returns></returns>
167 private static string[] GetSubComponents(string s)
168 {
169 return s.Split('&');
170 }
171
172 /// <summary>
173 /// 通过~分隔 重复
174 /// </summary>
175 /// <param name="s"></param>
176 /// <returns></returns>
177 private static string[] GetRepetitions(string s)
178 {
179 return s.Split('~');
180 }
181
182 /// <summary>
183 /// 创建XML对象
184 /// </summary>
185 /// <returns></returns>
186 private static XmlDocument CreateXmlDoc()
187 {
188 XmlDocument output = new XmlDocument();
189 XmlElement rootNode = output.CreateElement("HL7Message");
190 output.AppendChild(rootNode);
191 return output;
192 }
193
194 public static string GetText(XmlDocument xmlObject, string path)
195 {
196 XmlNode node = xmlObject.DocumentElement.SelectSingleNode(path);
197 if (node != null)
198 {
199 return node.InnerText;
200 }
201 else
202 {
203 return null;
204 }
205 }
206
207 public static string GetText(XmlDocument xmlObject, string path, int index)
208 {
209 XmlNodeList nodes = xmlObject.DocumentElement.SelectNodes(path);
210 if (index <= nodes.Count)
211 {
212 return nodes[index].InnerText;
213 }
214 else
215 {
216 return null;
217 }
218 }
219
220 public static String[] GetTexts(XmlDocument xmlObject, string path)
221 {
222 XmlNodeList nodes = xmlObject.DocumentElement.SelectNodes(path);
223 String[] arr = new String[nodes.Count];
224 int index = 0;
225 foreach (XmlNode node in nodes)
226 {
227 arr[index++] = node.InnerText;
228 }
229 return arr;
230
231 }
232
233 public static string FormatXml(string sUnformattedXml)
234 {
235
236 XmlDocument xd = new XmlDocument();
237 xd.LoadXml(sUnformattedXml);
238 StringBuilder sb = new StringBuilder();
239 StringWriter sw = new StringWriter(sb);
240 XmlTextWriter xtw = null;
241 try
242 {
243 xtw = new XmlTextWriter(sw);
244 xtw.Formatting = Formatting.Indented;
245 xtw.Indentation = 1;
246 xtw.IndentChar = '\t';
247 xd.WriteTo(xtw);
248 }
249 finally
250 {
251 if (xtw != null)
252 xtw.Close();
253 }
254 return sb.ToString();
255 }
256 }
257 }
程序入口:
using System;
using System.Collections.Generic;
using System.Xml;
namespace CA2
{
class Program
{
static void Main(string[] args)
{
String myHL7string = @"\vMSH|^~\\&||Mindray|||20191113163421||ORU^R01|2|P|2.3.1||||||UNICODE\rPID|1||^^^^MR||^患者名称|||男\rPV1|1||儿科\rOBR|1||7|00001^Automated Count^99MRC|||20191113102722|||单位||||||||||||||HM||||||||人员\rOBX|1|IS|08001^Take Mode^99MRC||C||||||F\rOBX|2|IS|08002^Blood Mode^99MRC||P||||||F\rOBX|3|IS|08003^Test Mode^99MRC||CBC+DIFF+CRP||||||F\rOBX|4|IS|01002^Ref Group^99MRC||儿童||||||F\rOBX|5|NM|30525-0^Age^LN||3|yr|||||F\rOBX|6|NM|6690-2^WBC^LN||10.62|10*9/L|4.00-12.00|N|||F\rOBX|7|NM|704-7^BAS#^LN||0.01|10*9/L|0.00-0.10|N|||F\rOBX|8|NM|706-2^BAS%^LN||0.1|%|0.0-1.0|N|||F\rOBX|9|NM|751-8^NEU#^LN||8.06|10*9/L|2.00-8.00|H~N|||F\rOBX|10|NM|770-8^NEU%^LN||75.8|%|50.0-70.0|H~N|||F\rOBX|11|NM|711-2^EOS#^LN||0.02|10*9/L|0.02-0.80|N|||F\rOBX|12|NM|713-8^EOS%^LN||0.2|%|0.5-5.0|L~N|||F\rOBX|13|NM|731-0^LYM#^LN||2.11|10*9/L|0.80-7.00|N|||F\rOBX|14|NM|736-9^LYM%^LN||19.9|%|20.0-60.0|L~N|||F\rOBX|15|NM|742-7^MON#^LN||0.42|10*9/L|0.12-1.20|N|||F\rOBX|16|NM|5905-5^MON%^LN||4.0|%|3.0-12.0|N|||F\rOBX|17|NM|789-8^RBC^LN||4.29|10*12/L|3.50-5.20|N|||F\rOBX|18|NM|718-7^HGB^LN||117|g/L|120-160|L~N|||F\rOBX|19|NM|787-2^MCV^LN||80.1|fL|80.0-100.0|N|||F\rOBX|20|NM|785-6^MCH^LN||27.2|pg|27.0-34.0|N|||F\rOBX|21|NM|786-4^MCHC^LN||339|g/L|310-370|N|||F\rOBX|22|NM|788-0^RDW-CV^LN||12.7|%|11.0-16.0|N|||F\rOBX|23|NM|21000-5^RDW-SD^LN||37.1|fL|35.0-56.0|N|||F\rOBX|24|NM|4544-3^HCT^LN||34.4|%|35.0-49.0|L~N|||F\rOBX|25|NM|777-3^PLT^LN||224|10*9/L|100-300|N|||F\rOBX|26|NM|32623-1^MPV^LN||8.7|fL|6.5-12.0|N|||F\rOBX|27|NM|32207-3^PDW^LN||16.3||15.0-17.0|N|||F\rOBX|28|NM|10002^PCT^99MRC||0.194|%|0.108-0.282|N|||F\rOBX|29|NM|30392-5^NRBC#^LN||0.002|10*9/L|0.000-9999.999|N|||F\rOBX|30|NM|26461-4^NRBC%^LN||0.02|%|0.00-9999.99|N|||F\rOBX|31|NM|10014^PLCR^99MRC||19.6|%|11.0-45.0|N|||F\rOBX|32|NM|10013^PLCC^99MRC||44|10*9/L|30-90|N|||F\rOBX|33|NM|26477-0^*ALY#^LN||0.00|10*9/L|0.00-0.20|N|||F\rOBX|34|NM|13046-8^*ALY%^LN||0.0|%|0.0-2.0|N|||F\rOBX|35|NM|10000^*LIC#^99MRC||0.00|10*9/L|0.00-0.20|N|||F\rOBX|36|NM|10001^*LIC%^99MRC||0.0|%|0.0-2.5|N|||F\rOBX|37|NM|71426-1^FR-CRP^LN||12.56|mg/L|0.00-4.00|H~N|||F\rOBX|38|NM|15001^WBC Histogram. Left Line^99MRC||13||||||F\rOBX|39|NM|15003^WBC Histogram. Middle Line^99MRC||36||||||F\rOBX|40|NM|15002^WBC Histogram. Right Line^99MRC||71||||||F\rOBX|41|NM|15004^WBC Histogram. Meta Length^99MRC||1||||||F\rOBX|42|NM|15009^WBC Histogram. Total^99MRC||7675||||||F\rOBX|43|ED|15008^WBC Histogram. BMP^99MRC|||F|\rOBX|59|NM|15208^WBC DIFF Scattergram. FSC-LOG dimension^99MRC||0||||||F\r\u001c\r";
Test(myHL7string);
Console.ReadLine();
}
static void Test(string myHL7string)
{
string sHL7asXml = HL7ToXmlConverter.ConvertToXml(myHL7string);
XmlDocument xmlObject = HL7ToXmlConverter.ConvertToXmlObject(myHL7string);
XmlNodeList allOBX = xmlObject.SelectNodes("//OBX");
int i = 1;
List<OutAnalyzerResultItemDTO> listOutAnalyzerResultItemDTO = new List<OutAnalyzerResultItemDTO>();
var strSpecimenTime = HL7ToXmlConverter.GetText(xmlObject, "OBR/OBR.7");
OutAnalyzerResultDTO outAnalyzerResultDTO = new OutAnalyzerResultDTO()
{
FlowNum = int.Parse(HL7ToXmlConverter.GetText(xmlObject, "OBR/OBR.3")),
SpecimenTime = DateTime.Parse(string.Format("{0}-{1}-{2} {3}:{4}:{5}",
strSpecimenTime.Substring(0, 4),
strSpecimenTime.Substring(4, 2),
strSpecimenTime.Substring(6, 2),
strSpecimenTime.Substring(8, 2),
strSpecimenTime.Substring(10, 2),
strSpecimenTime.Substring(12, 2))),
};
foreach (XmlElement element in allOBX)
{
if (i >= 6 && i <= 37)
{
listOutAnalyzerResultItemDTO.Add(new OutAnalyzerResultItemDTO()
{
ItemCode = FormatItemCode(element.GetElementsByTagName("OBX.3")[0].InnerText),//项目对照编码
HLFlag = FormatFlag(element.SelectSingleNode("OBX.8/OBX.8.0"), element.SelectSingleNode("OBX.8")),//高低标记
ReferenceRange = element.GetElementsByTagName("OBX.7")[0].InnerText,//参考值
Result = element.GetElementsByTagName("OBX.5")[0].InnerText,//检测结果
Uint = element.GetElementsByTagName("OBX.6")[0].InnerText,//检测单位
});
}
i += 1;
}
outAnalyzerResultDTO.resultItemDTOs = listOutAnalyzerResultItemDTO;
listOutAnalyzerResultItemDTO.ForEach(x =>
{
Console.Write("代码:" + x.ItemCode);
Console.Write(" 结果:" + x.Result);
Console.Write(" 参考值:" + x.ReferenceRange);
Console.Write(" 单位:" + x.Uint);
Console.WriteLine(" 高低值:" + x.HLFlag);
});
}
static string FormatItemCode(string allStr)
{
var a1 = allStr.IndexOf("^");
var a2 = allStr.LastIndexOf("^");
var aa = allStr.Substring(a1 + 1, a2 - a1 - 1);
return aa;
}
static string FormatFlag(XmlNode str1, XmlNode str2)
{
return str1 == null ? str2.InnerText : str1.InnerText;
}
}
}