protected void Page_Load(object sender, EventArgs e) { if (Session["UserInfo"] != null) { var abc = Session["UserInfo"]; UserInfo = (BookShop.Model.User)Session["UserInfo"]; } }
/// <summary> /// 删除一条数据 /// </summary> public void DeleteModel(BookShop.Model.User model) { StringBuilder strSql = new StringBuilder(); strSql.Append("delete from Users "); strSql.Append(" where Id=@Id "); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = model.Id; DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(BookShop.Model.User model, out string msg) { int isSuccess = -1; if (ValidateUserName(model.LoginId)) { msg = "此用户名已经注册!!"; } else { isSuccess = dal.Add(model); msg = "注册成功!!"; } return(isSuccess); }
private void btnLogin_Click(object sender, EventArgs e) { string Id = textID.Text; string userName = textUserName.Text.Trim(); string password = textPassword.Text; BookShop.BLL.UserManager mgr = new BookShop.BLL.UserManager(); BookShop.Model.User user = mgr.Login(Id, userName, password); if (user == null) { MessageBox.Show("登陆失败!"); } if (user != null)//登录成功跳转主界面 { staticInf.user = user; 主界面 fm = new 主界面(); fm.ShowDialog(); } }
/// <summary> /// 得到一个对象实体 /// </summary> public BookShop.Model.User GetModel(int Id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,LoginId,LoginPwd,Name,Address,Phone,Mail,UserStateId from Users "); strSql.Append(" where Id=@Id "); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = Id; BookShop.Model.User model = new BookShop.Model.User(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Id"].ToString() != "") { model.Id = int.Parse(ds.Tables[0].Rows[0]["Id"].ToString()); } model.LoginId = ds.Tables[0].Rows[0]["LoginId"].ToString(); model.LoginPwd = ds.Tables[0].Rows[0]["LoginPwd"].ToString(); model.Name = ds.Tables[0].Rows[0]["Name"].ToString(); model.Address = ds.Tables[0].Rows[0]["Address"].ToString(); model.Phone = ds.Tables[0].Rows[0]["Phone"].ToString(); model.Mail = ds.Tables[0].Rows[0]["Mail"].ToString(); if (ds.Tables[0].Rows[0]["UserStateId"].ToString() != "") { //帮你再查询一次数据库 给对象的属性 也赋值上就一个最简单 关系 和对象 的映射上了。 int UserStateId = int.Parse(ds.Tables[0].Rows[0]["UserStateId"].ToString()); model.UserState = userStateServices.GetModel(UserStateId); } return(model); } else { return(null); } }
/// <summary> /// 根据用户的邮箱找一个人 /// </summary> /// <param name="mail"></param> /// <returns></returns> public Model.User GetUserByMail(string mail) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,LoginId,LoginPwd,Name,Address,Phone,Mail,UserStateId from Users "); strSql.Append(" where Mail=@Mail "); SqlParameter[] parameters = { new SqlParameter("@Mail", SqlDbType.NVarChar, 50) }; parameters[0].Value = mail; BookShop.Model.User model = new BookShop.Model.User(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Id"].ToString() != "") { model.Id = int.Parse(ds.Tables[0].Rows[0]["Id"].ToString()); } model.LoginId = ds.Tables[0].Rows[0]["LoginId"].ToString(); model.LoginPwd = ds.Tables[0].Rows[0]["LoginPwd"].ToString(); model.Name = ds.Tables[0].Rows[0]["Name"].ToString(); model.Address = ds.Tables[0].Rows[0]["Address"].ToString(); model.Phone = ds.Tables[0].Rows[0]["Phone"].ToString(); model.Mail = ds.Tables[0].Rows[0]["Mail"].ToString(); if (ds.Tables[0].Rows[0]["UserStateId"].ToString() != "") { int UserStateId = int.Parse(ds.Tables[0].Rows[0]["UserStateId"].ToString()); model.UserState = userStateServices.GetModel(UserStateId); } return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(BookShop.Model.User model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Users("); strSql.Append("LoginId,LoginPwd,Name,Address,Phone,Mail,UserStateId)"); strSql.Append(" values ("); strSql.Append("@LoginId,@LoginPwd,@Name,@Address,@Phone,@Mail,@UserStateId)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@LoginId", SqlDbType.NVarChar, 50), new SqlParameter("@LoginPwd", SqlDbType.NVarChar, 50), new SqlParameter("@Name", SqlDbType.NVarChar, 50), new SqlParameter("@Address", SqlDbType.NVarChar, 200), new SqlParameter("@Phone", SqlDbType.NVarChar, 100), new SqlParameter("@Mail", SqlDbType.NVarChar, 100), new SqlParameter("@UserStateId", SqlDbType.Int, 4) }; parameters[0].Value = model.LoginId; parameters[1].Value = model.LoginPwd; parameters[2].Value = model.Name; parameters[3].Value = model.Address; parameters[4].Value = model.Phone; parameters[5].Value = model.Mail; parameters[6].Value = model.UserState.Id; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }
private void btnRegister_Click(object sender, EventArgs e) { string userName = textUserName.Text.Trim(); string password = textPassword.Text; if (password.Length > 8) { MessageBox.Show("密码格式错误!密码长度最长不超过8。请重新输入!"); } else { BookShop.Model.User user = new BookShop.Model.User(); BookShop.BLL.UserManager mgr = new BookShop.BLL.UserManager(); user = mgr.Register(userName, password); if (user == null) { MessageBox.Show("注册失败"); } else { MessageBox.Show("注册成功!欢迎" + user.UserName + "!请记住您的ID:" + user.ID); } } }