/// <summary> /// 记录登录信息 /// </summary> /// <param name="pars">无参数表示"登录"按钮成功事件</param> public void RememberLoginInfo(params string[] pars) { // 声明加密类 DES des = new DES();
UserInfo userList = new UserInfo();
BinaryFormatter bf = new BinaryFormatter();
FileStream fs = null;
string fileName = "data.bin";
string operateName = pars.Length == 0 ? "" : pars[0]; switch (operateName) { case "页面加载": using (fs = new FileStream(fileName, FileMode.OpenOrCreate)) { if (fs.Length > 0) { users = bf.Deserialize(fs) as Dictionary<string, UserInfo>; }
this.cbUserName.Items.Clear();
// 增加用户名 foreach (UserInfo user in users.Values) { this.cbUserName.Items.Add(user.LoginId); }
if (this.cbUserName.Items.Count > 0) { for (int j = 0; j < this.cbUserName.Items.Count; j++) { if (users.ContainsKey(this.cbUserName.Items[j].ToString()) && users[this.cbUserName.Items[j].ToString()].Pwd != "") { strRecordLogName = this.cbUserName.Items[j].ToString(); this.txtUserPwd.Text = des.Decrypt(users[this.cbUserName.Items[j].ToString()].Pwd); this.chbRemberPWD.Checked = true; } } } } break;
case "用户列表选择事件": using (fs = new FileStream(fileName, FileMode.OpenOrCreate)) { if (fs.Length > 0) { users = bf.Deserialize(fs) as Dictionary<string, UserInfo>; }
for (int i = 0; i < users.Count; i++) { if (this.cbUserName.Text.Trim() != "") { if (users.ContainsKey(this.cbUserName.Text.Trim()) && users[this.cbUserName.Text].Pwd != "") { this.txtUserPwd.Text = des.Decrypt(users[this.cbUserName.Text].Pwd); this.chbRemberPWD.Checked = true; } else { this.txtUserPwd.Text = ""; ; this.chbRemberPWD.Checked = false; } } } } break;
default: // "登录"按钮成功事件 using (fs = new FileStream(fileName, FileMode.Create)) { userList.LoginId = this.cbUserName.Text.Trim(); userList.Pwd = this.chbRemberPWD.Checked ? des.Encrypt(this.txtUserPwd.Text.Trim()) : "";
if (users.ContainsKey(userList.LoginId)) { users.Remove(userList.LoginId); }
users.Add(userList.LoginId, userList); bf.Serialize(fs, users); } break; }
fs.Close(); }
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