C#对XML文件的创建及增删改查操作 xml

【C#对XML文件的创建及增删改查操作】C#对XML文件的创建及增删改查操作
class config
{

//文件的创建 public static void createItems() { XDocument xdoc = new XDocument(); string path = Path.Combine(Application.StartupPath,"config.xml"); if(!File.Exists(path))//文件不存在创建文件 { XElement root = new XElement("XML"); root.SetAttributeValue("Hand","COM3"); root.SetAttributeValue("Camera", "COM4"); root.SetAttributeValue("Plc", "S7-1200"); root.SetAttributeValue("localIp", "192.168.1.20"); root.SetAttributeValue("localPort", "0"); root.SetAttributeValue("remoteIp", "192.168.1.10"); root.SetAttributeValue("remotePort", "102"); root.SetAttributeValue("runMode", "测试模式"); root.SetAttributeValue("scanMode", "静态扫码"); xdoc.Add(root); xdoc.Save(path); } } //文件中相关属性的修改 public static void modifyItem(string name,string value) { XDocument xdoc = new XDocument(); string path = Path.Combine(Application.StartupPath, "config.xml"); xdoc = XDocument.Load(path); try { if (Find(name)) { xdoc.Root.SetAttributeValue(name, value); xdoc.Save(path); } else MessageBox.Show("输入的属性不存在，请重新输入！"); } catch { MessageBox.Show(name + "不存在，请重新输入"); }}//判定文件中是否存在相关属性，如果存在，不添加，不存在添加改属性 public static bool Find(string name) { XDocument xdoc = new XDocument(); string path = Path.Combine(Application.StartupPath, "config.xml"); xdoc = XDocument.Load(path); try { IEnumerable list = xdoc.Root.Attributes(); foreach (XAttribute e in list) { if (e.Name == name) return true; } return false; } catch { MessageBox.Show(name + "不存在，请重新输入"); return false; }} //在文件中查找改属性 public static string FindItems(string name) { XDocument xdoc = new XDocument(); string path = Path.Combine(Application.StartupPath, "config.xml"); xdoc = XDocument.Load(path); try { return xdoc.Root.Attribute(name).Value; } catch { return name + "不存在，请重新输入"; } } //增加改属性 public static void increaseItems(string name,string value) { XDocument xdoc = new XDocument(); string path = Path.Combine(Application.StartupPath, "config.xml"); xdoc = XDocument.Load(path); try { if (!Find(name)) { xdoc.Root.SetAttributeValue(name, value); xdoc.Save(path); } else MessageBox.Show("输入的属性存在，该属性只能进行修改"); } catch(Exception ex) { MessageBox.Show(ex.Message.ToString()); }}

//删除改属性
public static void deleItems(string name)
{
XDocument xdoc = new XDocument();
string path = Path.Combine(Application.StartupPath, “config.xml”);
xdoc = XDocument.Load(path);
try
{
xdoc.Root.Attribute(name).Remove();
xdoc.Save(path);
}
catch
{
MessageBox.Show(“你要删除的条目不存在”);
}
}
}