回答編集履歴
3
修正
test
CHANGED
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@@ -58,7 +58,7 @@
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58
58
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59
59
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pan.Add(new XElement("substance", new XAttribute("name", "yeast")));
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60
60
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61
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-
output_xml.Save(output_xml_
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61
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+
output_xml.Save(output_xml_filename);
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62
62
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63
63
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Console.WriteLine(output_xml);
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64
64
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2
修正
test
CHANGED
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@@ -58,6 +58,8 @@
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58
58
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59
59
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pan.Add(new XElement("substance", new XAttribute("name", "yeast")));
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60
60
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61
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+
output_xml.Save(output_xml__filename);
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62
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+
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61
63
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Console.WriteLine(output_xml);
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62
64
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63
65
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Console.ReadKey();
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1
追記
test
CHANGED
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@@ -1 +1,73 @@
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1
1
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`xml.Save(ファイル名)`
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2
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3
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4
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5
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# 追記
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6
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7
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8
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+
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9
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+
以下のコードは XMLFile1.xml を読み込み、pan の子要素として yeast を追加し、out.xml に書き込みます。
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10
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11
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12
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13
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```C#
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14
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15
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+
using System;
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16
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17
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using System.IO;
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18
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19
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using System.Linq;
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20
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21
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using System.Xml.Linq;
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22
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23
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24
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25
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namespace ConsoleApp1
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26
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27
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{
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28
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29
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class Program
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30
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31
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{
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32
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33
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static void Main(string[] args)
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34
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35
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{
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36
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37
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string dir = AppDomain.CurrentDomain.BaseDirectory;
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38
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39
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string xml_filename = Path.Combine(dir, "XMLFile1.xml");
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40
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41
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string output_xml_filename = Path.Combine(dir, "out.xml");
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42
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43
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var xml = XDocument.Load(xml_filename);
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44
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45
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var output_xml = XDocument.Parse(xml.ToString());
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46
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+
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47
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var pan = output_xml
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48
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+
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49
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.Root
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50
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51
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.Element("products")
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52
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53
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.Elements("product")
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54
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55
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.Where(a => (string)a.Attribute("name") == "pan")
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56
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57
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.First();
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58
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59
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pan.Add(new XElement("substance", new XAttribute("name", "yeast")));
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60
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+
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61
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+
Console.WriteLine(output_xml);
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62
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63
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Console.ReadKey();
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64
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+
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65
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}
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66
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+
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67
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}
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68
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+
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69
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}
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70
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+
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71
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+
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72
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+
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73
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+
```
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