public void Add(string account, string password) { if (string.IsNullOrEmpty(account) || string.IsNullOrEmpty(password)) { return; } SecurityElement se; if (FileUtils.Exist(PathUtils.AccountInfo) == false) { se = MonoXmlUtils.Create(); } else { se = MonoXmlUtils.LoadXmlSE(PathUtils.AccountInfo); } SecurityElement item; bool found = false; if (se.Children != null) { int index = 0; for (int i = 0, count = se.Children.Count; i < count; ++i) { item = se.Children[i] as SecurityElement; if (string.IsNullOrEmpty(item.Text) == false && item.Text.CompareTo(account) == 0) { found = true; index = i; item.SetAttribute("pwd", password); } } if (index != 0) { ///将本次登录的账号置于第一位,下次登录默认就是这个账号了 string median = (se.Children[0] as SecurityElement).Text; (se.Children[0] as SecurityElement).Text = (se.Children[index] as SecurityElement).Text; (se.Children[index] as SecurityElement).Text = median; median = (se.Children[0] as SecurityElement).Attributes["pwd"] as string; (se.Children[0] as SecurityElement).SetAttribute("pwd", (se.Children[index] as SecurityElement).Attributes["pwd"] as string); (se.Children[index] as SecurityElement).SetAttribute("pwd", median); } } if (found == false) { MonoXmlUtils.AddAttr(se, account, password); } MonoXmlUtils.SaveXml(PathUtils.AccountInfo, se); }