class XmlHelp
{
#region 调用
/// <summary>
/// xml添加
/// </summary>
/// <param name="filename"></param>
/// <param name="people"></param>
public void XmlAdd(string filename, List<People> pList)
{
try
{
List<People> peoples = XmlDeSerializer(filename);
foreach (var item in pList)
{
People people = new People();
people.Name = string.IsNullOrEmpty(item.Name) ? "" : item.Name;
people.Id = string.IsNullOrEmpty(item.Id) ? "" : item.Id;
people.Age = string.IsNullOrEmpty(item.Age) ? "" : item.Age;
people.Sex = string.IsNullOrEmpty(item.Sex) ? "" : item.Sex;
peoples.Add(people);
}
XmlSerializer x = new XmlSerializer(typeof(List<People>));
TextWriter writer = new StreamWriter(filename);
x.Serialize(writer, peoples);
writer.Dispose();
}
catch (Exception ex)
{
}
}
/// <summary>
/// xml编辑
/// </summary>
/// <param name="filename"></param>
/// <param name="people"></param>
public void XmlEdit(string filename, List<People> pList, int index)
{
try
{
XmlDelete("User", index);
List<People> peoples = XmlDeSerializer(filename);
foreach (var item in pList)
{
People people = new People();
people.Name = string.IsNullOrEmpty(item.Name) ? "" : item.Name;
people.Id = string.IsNullOrEmpty(item.Id) ? "" : item.Id;
people.Age = string.IsNullOrEmpty(item.Age) ? "" : item.Age;
people.Sex = string.IsNullOrEmpty(item.Sex) ? "" : item.Sex;
peoples.Insert(index, people);
}
XmlSerializer x = new XmlSerializer(typeof(List<People>));
TextWriter writer = new StreamWriter(filename);
x.Serialize(writer, peoples);
writer.Dispose();
}
catch (Exception ex)
{
}
}
/// <summary>
/// 删除列表
/// </summary>
/// <param name="filename"></param>
/// <param name="pList"></param>
public void XmlDelete(string filename, int index = 0)
{
try
{
List<People> peoples = XmlDeSerializer(filename);
peoples.RemoveAt(index);
XmlSerializer x = new XmlSerializer(typeof(List<People>));
TextWriter writer = new StreamWriter(filename);
x.Serialize(writer, peoples);
writer.Dispose();
}
catch (Exception ex)
{
}
}
/// <summary>
/// 显示列表
/// </summary>
/// <param name="filename"></param>
/// <param name="pList"></param>
public List<People> XmlDeSerializer(string filename)
{
try
{
var mySerializer = new XmlSerializer(typeof(List<People>));
var myFileStream = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
if (myFileStream.Length > 0)
{
var myObject = (List<People>)mySerializer.Deserialize(myFileStream);
return myObject;
}
myFileStream.Dispose();
return new List<People>();
}
catch (Exception ex)
{
return new List<People>();
}
}#endregion
}
可以创建一个类直接复制上方的代码，然后将people换成一个新类，并将people中的成员替换
XmlHelp xmlHelp = new XmlHelp();
private void InfoListView_SelectedIndexChanged(object sender, EventArgs e)
{
if (InfoListView.SelectedItems.Count > 0)
{
this.NameTxt.Text = InfoListView.SelectedItems[0].SubItems[0].Text;
this.SexTxt.Text = InfoListView.SelectedItems[0].SubItems[1].Text;
this.AgeTxt.Text = InfoListView.SelectedItems[0].SubItems[2].Text;
this.IdTxt.Text = InfoListView.SelectedItems[0].SubItems[3].Text;
}
}
private void DeleteBtn_Click(object sender, EventArgs e)
{
try
{
if (InfoListView.SelectedItems.Count > 0)
{
var index = InfoListView.SelectedItems[0].Index;
xmlHelp.XmlDelete("User", index);
ListLoad();
TextClear();
MessageBox.Show("删除成功");
}
else
{
MessageBox.Show("请选择想要删除的数据");
}
}
catch
{
MessageBox.Show("出现错误");
}
}
private void UpdateBtn_Click(object sender, EventArgs e)
{
try
{
if (InfoListView.SelectedItems.Count > 0)
{
var index = InfoListView.SelectedItems[0].Index;
People people = new People();
people.Name = NameTxt.Text;
people.Id = IdTxt.Text;
people.Age = AgeTxt.Text;
people.Sex = SexTxt.Text;
var peoples = new List<People>();
peoples.Add(people);
xmlHelp.XmlEdit("User", peoples, index);
ListLoad();
TextClear();
MessageBox.Show("更新成功");
}
else
{
MessageBox.Show("请选择想要修改的数据");
}
}
catch
{
MessageBox.Show("出现错误");
}
}
private void AddBtn_Click(object sender, EventArgs e)
{
try
{
People people = new People();
people.Name = NameTxt.Text;
people.Id = IdTxt.Text;
people.Age = AgeTxt.Text;
people.Sex = SexTxt.Text;
var peoples = new List<People>();
peoples.Add(people);
xmlHelp.XmlAdd("User", peoples);
ListLoad();
TextClear();
MessageBox.Show("添加成功");
}
catch
{
MessageBox.Show("出现错误");
}
}
private void XMLFrm_Load(object sender, EventArgs e)
{
ListLoad();
}
public void ListLoad()
{
try
{
this.InfoListView.Clear();
var pList = xmlHelp.XmlDeSerializer("User");
this.InfoListView.View = View.Details;
this.InfoListView.Columns.Add("编号", 100, HorizontalAlignment.Left);
this.InfoListView.Columns.Add("姓名", 100, HorizontalAlignment.Left);
this.InfoListView.Columns.Add("性别", 100, HorizontalAlignment.Left);
this.InfoListView.Columns.Add("年龄", 100, HorizontalAlignment.Left);
foreach (var item in pList)
{
ListViewItem lvi = new ListViewItem(item.Id);
lvi.SubItems.Add(item.Name);
lvi.SubItems.Add(item.Sex);
lvi.SubItems.Add(item.Age);
this.InfoListView.Items.Add(lvi);
}
}
catch
{
MessageBox.Show("出现错误");
}
}
void TextClear()
{
this.NameTxt.Text = "";
this.SexTxt.Text = "";
this.AgeTxt.Text = "";
this.IdTxt.Text = "";
}
窗体的cs中的内容，分别是删除，修改，添加，加载在表格和清除text中的内容。