/// <summary>
/// 查询该该用户注册的账号数据库是否存在方法（）
/// </summary>
/// <param name="model">用户实体类</param>
/// <returns>数据库受影响的行数，如果大于0则说明该账号已经存在，否则不存在</returns>
public static int SelectUserName(Model.Customer model)
{
string sql = " select count(*) from Customer where LoginName=@LoginName";
SqlParameter[] P =
{
new SqlParameter("@LoginName", model.LoginName),
};
return((int)DbHepler.ExcuteReadCount(sql, P));
}
/// <summary>
/// 用户登入方法（）
/// </summary>
/// <param name="model">用户实体类</param>
/// <returns>数据库受影响的行数，如果大于0则说明登入成功！，否则失败</returns>
public static int UserLogin(Model.Customer model)
{
string sql = " select count(*) from Customer where LoginName=@LoginName and [Password]=@pwd";
SqlParameter[] P =
{
new SqlParameter("@LoginName", model.LoginName),
new SqlParameter("@pwd", model.Password),
};
return((int)DbHepler.ExcuteReadCount(sql, P));
}