HL7解析器

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 
,|,~,^,&
 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","
");
 32             //把HL7分成段
 33             string[] sHL7Lines = sHL7.Split('
');
 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 = '	';
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
PID|1||^^^^MR||^患者名称|||男
PV1|1||儿科
OBR|1||7|00001^Automated Count^99MRC|||20191113102722|||单位||||||||||||||HM||||||||人员
OBX|1|IS|08001^Take Mode^99MRC||C||||||F
OBX|2|IS|08002^Blood Mode^99MRC||P||||||F
OBX|3|IS|08003^Test Mode^99MRC||CBC+DIFF+CRP||||||F
OBX|4|IS|01002^Ref Group^99MRC||儿童||||||F
OBX|5|NM|30525-0^Age^LN||3|yr|||||F
OBX|6|NM|6690-2^WBC^LN||10.62|10*9/L|4.00-12.00|N|||F
OBX|7|NM|704-7^BAS#^LN||0.01|10*9/L|0.00-0.10|N|||F
OBX|8|NM|706-2^BAS%^LN||0.1|%|0.0-1.0|N|||F
OBX|9|NM|751-8^NEU#^LN||8.06|10*9/L|2.00-8.00|H~N|||F
OBX|10|NM|770-8^NEU%^LN||75.8|%|50.0-70.0|H~N|||F
OBX|11|NM|711-2^EOS#^LN||0.02|10*9/L|0.02-0.80|N|||F
OBX|12|NM|713-8^EOS%^LN||0.2|%|0.5-5.0|L~N|||F
OBX|13|NM|731-0^LYM#^LN||2.11|10*9/L|0.80-7.00|N|||F
OBX|14|NM|736-9^LYM%^LN||19.9|%|20.0-60.0|L~N|||F
OBX|15|NM|742-7^MON#^LN||0.42|10*9/L|0.12-1.20|N|||F
OBX|16|NM|5905-5^MON%^LN||4.0|%|3.0-12.0|N|||F
OBX|17|NM|789-8^RBC^LN||4.29|10*12/L|3.50-5.20|N|||F
OBX|18|NM|718-7^HGB^LN||117|g/L|120-160|L~N|||F
OBX|19|NM|787-2^MCV^LN||80.1|fL|80.0-100.0|N|||F
OBX|20|NM|785-6^MCH^LN||27.2|pg|27.0-34.0|N|||F
OBX|21|NM|786-4^MCHC^LN||339|g/L|310-370|N|||F
OBX|22|NM|788-0^RDW-CV^LN||12.7|%|11.0-16.0|N|||F
OBX|23|NM|21000-5^RDW-SD^LN||37.1|fL|35.0-56.0|N|||F
OBX|24|NM|4544-3^HCT^LN||34.4|%|35.0-49.0|L~N|||F
OBX|25|NM|777-3^PLT^LN||224|10*9/L|100-300|N|||F
OBX|26|NM|32623-1^MPV^LN||8.7|fL|6.5-12.0|N|||F
OBX|27|NM|32207-3^PDW^LN||16.3||15.0-17.0|N|||F
OBX|28|NM|10002^PCT^99MRC||0.194|%|0.108-0.282|N|||F
OBX|29|NM|30392-5^NRBC#^LN||0.002|10*9/L|0.000-9999.999|N|||F
OBX|30|NM|26461-4^NRBC%^LN||0.02|%|0.00-9999.99|N|||F
OBX|31|NM|10014^PLCR^99MRC||19.6|%|11.0-45.0|N|||F
OBX|32|NM|10013^PLCC^99MRC||44|10*9/L|30-90|N|||F
OBX|33|NM|26477-0^*ALY#^LN||0.00|10*9/L|0.00-0.20|N|||F
OBX|34|NM|13046-8^*ALY%^LN||0.0|%|0.0-2.0|N|||F
OBX|35|NM|10000^*LIC#^99MRC||0.00|10*9/L|0.00-0.20|N|||F
OBX|36|NM|10001^*LIC%^99MRC||0.0|%|0.0-2.5|N|||F
OBX|37|NM|71426-1^FR-CRP^LN||12.56|mg/L|0.00-4.00|H~N|||F
OBX|38|NM|15001^WBC Histogram. Left Line^99MRC||13||||||F
OBX|39|NM|15003^WBC Histogram. Middle Line^99MRC||36||||||F
OBX|40|NM|15002^WBC Histogram. Right Line^99MRC||71||||||F
OBX|41|NM|15004^WBC Histogram. Meta Length^99MRC||1||||||F
OBX|42|NM|15009^WBC Histogram. Total^99MRC||7675||||||F
OBX|43|ED|15008^WBC Histogram. BMP^99MRC|||F|
OBX|59|NM|15208^WBC DIFF Scattergram. FSC-LOG dimension^99MRC||0||||||F
u001c
";
            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;
        }
    }
}

DTO

public class OutAnalyzerResultItemDTO
    {
        public string ItemCode { get; set; }
        public string HLFlag { get; set; }
        public string ReferenceRange { get; set; }
        public string Unit { get; set; }
        public string Result { get; set; }
    }