winform 中xml简单的创建和读取
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1 //修改栏目订单的颜色
2 private void btnfunColor_Click(object sender, EventArgs e)
3 {
4 bool isExsit = true;
5 ColorDialog fontcolor = new ColorDialog();
6 if (fontcolor.ShowDialog() == DialogResult.OK)
7 {
8 if (!System.IO.Directory.Exists(xpath))
9 {
10 System.IO.Directory.CreateDirectory(xpath);
11 }
12 if (System.IO.File.Exists(filefullname))
13 {
14 //已经存在改文件，判断改文件是是否存在该节点，如果存在。则修改改节点。如果不存在，则创建一个新的节点
15 XmlDocument xmldoc = new XmlDocument();
16 xmldoc.Load(filefullname);
17 XmlNode xm = xmldoc.SelectSingleNode("First");
18 XmlNodeList xmlNotes = xm.ChildNodes;
19 if (xmlNotes.Count > 0)//存在该节点，修改该节点
20 {
21 foreach (XmlNode xml in xmlNotes)
22 {
23 XmlNode xmNod = xml.SelectSingleNode("Third1");
24
25 if (((XmlElement)xmNod).GetAttribute("Name") == cmbFunInfo.Text)
26 {
27 isExsit = false;
28 //重新赋值
29 ((XmlElement)xmNod).InnerText = fontcolor.Color.ToArgb().ToString();
30 break;
31 }
32 }
33 }
34 if (isExsit)
35 {
36 XmlElement xmlNode = xmldoc.CreateElement("Second");
37 xm.AppendChild(xmlNode);
38 //添加节点
39 XmlElement element1 = xmldoc.CreateElement("Third1");
40 element1.SetAttribute("Name", cmbFunInfo.Text);
41 element1.SetAttribute("ID", cmbFunInfo.SelectedValue.ToString());
42 element1.InnerText = fontcolor.Color.ToArgb().ToString();
43 xmlNode.AppendChild(element1);
44 }
45 xmldoc.Save(filefullname);
46 }
47 else
48 {
49 XmlDocument doc = new XmlDocument();
50 XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "GB2312", null);
51 doc.AppendChild(dec);
52 //创建一个根节点（一级）
53 XmlElement root = doc.CreateElement("First");
54 doc.AppendChild(root);
55 //创建节点（二级）
56 XmlNode node = doc.CreateElement("Seconde");
57 root.AppendChild(node);
58 //创建节点（三级）
59 XmlElement element1 = doc.CreateElement("Third1");
60 element1.SetAttribute("Name", cmbFunInfo.Text);
61 element1.SetAttribute("ID", cmbFunInfo.SelectedValue.ToString());
62 element1.InnerText = fontcolor.Color.ToArgb().ToString();
63 node.AppendChild(element1);
64 doc.Save(filefullname);
65 }
66 }
67 }
68 //循环得到颜色的值
69 public Color GetColor(int ID)
70 {
71 Color strColors = Color.Black;
72 XmlDocument doc = new XmlDocument();
73 doc.Load(filefullname);
74 foreach (XmlNode item in doc.SelectNodes("/First"))
75 {
76 XmlNodeList xmlNotes = item.ChildNodes;
77 if (xmlNotes.Count > 0)
78 {
79 foreach (XmlNode xml in xmlNotes)
80 {
81 XmlNode xmNod = xml.SelectSingleNode("Third1");
82 if (ID == Convert.ToInt32(((XmlElement)xmNod).GetAttribute("ID")))
83 {
84 //得到color值
85 strColors = Color.FromArgb(Convert.ToInt32(xmNod.InnerText.Trim()));
86 break;
87 }
88 }
89 }
90 }
91 return strColors;
92 }
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1 private string xpath = System.Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"\BXYZT";
2 //Xml文件保存文件夹名称
3 private string filefullname = null;
xml文件如下
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1 <?xml version="1.0" encoding="GB2312"?>
2 <First>
3 <Seconde>
4 <Third1 Name="QQ币充值2" ID="25">-65536</Third1>
5 </Seconde>
6 <Second>
7 <Third1 Name="中国水费" ID="14">-8388353</Third1>
8 </Second>
9 <Second>
10 <Third1 Name="中国电力" ID="12">-8388353</Third1>
11 </Second>
12 <Second>
13 <Third1 Name="中国燃气" ID="13">-65408</Third1>
14 </Second>
15 <Second>
16 <Third1 Name="联通固话" ID="5">-256</Third1>
17 </Second>
18 <Second>
19 <Third1 Name="电信固话" ID="6">-16711681</Third1>
20 </Second>
21 <Second>
22 <Third1 Name="中国电信" ID="3">-16711808</Third1>
23 </Second>
24 <Second>
25 <Third1 Name="全国游戏2" ID="26">-8323328</Third1>
26 </Second>
27 <Second>
28 <Third1 Name="QQ币充值" ID="10">-65536</Third1>
29 </Second>
30 </First>
