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  • winform 中xml简单的创建和读取

    
    View Code
    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 }

    

    View Code
    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

    View Code
    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>
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  • 原文地址:https://www.cnblogs.com/wsl2011/p/2087589.html
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