private void btnLogin_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(this.cboxUserName.Text))
{
MessageBox.Show("请输入用户名");
this.cboxUserName.Focus();
return;
}
if (string.IsNullOrEmpty(this.txtPassword.Text))
{
MessageBox.Show("请输入密码");
this.txtPassword.Focus();
return;
}
if (dal.LoginCheck(this.cboxUserName.Text, Md5.Encrypt(this.txtPassword.Text)))
{
XmlLoginUserEntity entity = new XmlLoginUserEntity()
{
UserName = this.cboxUserName.Text,
Password = new Encryption().Encrypto(this.txtPassword.Text),
CreateTime = DateTime.Now,
AutoLogin = this.cboxAutoLogin.Checked ? "1" : "0",
RememberPwd = this.cboxRememberPwd.Checked ? "1" : "0"
};
if (xml.AddOrEditLoginedUserInfo(entity))
{
frmMain main = new frmMain(entity.UserName, Md5.Encrypt(this.txtPassword.Text));
//隐藏当前窗体
this.WindowState = FormWindowState.Minimized;
//this.ShowInTaskbar = false;
if (main.ShowDialog() == DialogResult.Yes)
{
this.ShowInTaskbar = true;
}
else if (main.DialogResult == DialogResult.Cancel)
{
Application.Exit();
}
return;
}
}
}
/// <summary>
/// 更改登录过的用户信息
/// </summary>
/// <param name="entityList"></param>
/// <returns></returns>
public bool AddOrEditLoginedUserInfo(XmlLoginUserEntity entity)
{
if (entity == null)
{
return(false);
}
//查找xml中是否有此节点
var list = GetLoginedUserInfo();
var item = list.Where(e => e.UserName == entity.UserName).FirstOrDefault();
if (item != null)
{
XmlNodeList nodes = doc.SelectNodes(string.Format("//LoginUser/UserInfo [@UserName='******']", item.UserName));
if (nodes.Count <= 0)
{
return(false);
}
foreach (XmlNode node in nodes)
{
node.Attributes["CreateTime"].Value = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
node.Attributes["UserName"].Value = entity.UserName;
node.Attributes["Password"].Value = entity.Password;
node.Attributes["AutoLogin"].Value = entity.AutoLogin;
node.Attributes["RememberPwd"].Value = entity.RememberPwd;
}
doc.Save(XmlPath);
}
else
{
XmlNode root = doc.SelectSingleNode("LoginUser"); //查找<LoginUser>
XmlElement ui = doc.CreateElement("UserInfo"); //创建一个<UserInfo>节点
ui.SetAttribute("CreateTime", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")); //设置该节点CreateTime属性
ui.SetAttribute("UserName", entity.UserName); //设置该节点UserName属性
ui.SetAttribute("Password", entity.Password); //设置该节点UserName属性
ui.SetAttribute("AutoLogin", entity.AutoLogin); //设置该节点UserName属性
ui.SetAttribute("RememberPwd", entity.RememberPwd); //设置该节点UserName属性
root.AppendChild(ui); //添加到<LoginUser>节点中
doc.Save(XmlPath);
}
return(true);
}
/// <summary>
/// 获取登陆过的用户信息
/// </summary>
/// <returns></returns>
public List <XmlLoginUserEntity> GetLoginedUserInfo()
{
List <XmlLoginUserEntity> xmlList = null;
try
{
// 得到根节点LoginUser
XmlNode xn = doc.SelectSingleNode("LoginUser");
// 得到根节点的所有子节点
XmlNodeList xnl = xn.ChildNodes;
xmlList = new List <XmlLoginUserEntity>();
foreach (XmlNode node in xnl)
{
XmlLoginUserEntity entity = new XmlLoginUserEntity();
// 将节点转换为元素，便于得到节点的属性值
XmlElement xe = (XmlElement)node;
// 得到Type和ISBN两个属性的属性值
entity.CreateTime = Convert.ToDateTime(xe.GetAttribute("CreateTime"));
entity.UserName = xe.GetAttribute("UserName");
entity.Password = xe.GetAttribute("Password");
entity.AutoLogin = xe.GetAttribute("AutoLogin");
entity.RememberPwd = xe.GetAttribute("RememberPwd");
// 得到Book节点的所有子节点
//XmlNodeList item = xe.ChildNodes;
//entity.UserName = item.Item(0).InnerText;
//entity.Password = item.Item(1).InnerText;
//entity.AutoLogin = item.Item(2).InnerText;
//entity.RememberPws = item.Item(3).InnerText;
xmlList.Add(entity);
}
}
catch (Exception ex)
{
throw ex;
}
return(xmlList);
}
