//--买家信息模块--
/// <summary>
/// user_reg函数的功能：向买家表中增加一条新的记录（增）
/// </summary>
/// <param name="buyer">买家对象</param>
public void user_reg(buyer_Entity buyer)
{
buyer_T Buyer = new buyer_T();
Buyer.b_account = buyer.B_account;
Buyer.b_password = buyer.B_password;
Buyer.b_name = buyer.B_name;
Buyer.b_tel = buyer.B_tel;
Buyer.b_question = buyer.B_question;
Buyer.b_answer = buyer.B_answer;
Buyer.b_email = buyer.B_email;
buyerDB.buyer_T.InsertOnSubmit(Buyer);
buyerDB.SubmitChanges();
}
/// <summary>
/// user_login函数的功能：访问数据库根据用户提供的账号查询对应的密码进行比较如果密码一样则登录成功，否则登录失败。
/// </summary>
/// <param name="buyer">买家对象</param>
/// <returns>如果密码验证成功返回true，否则返回false</returns>
public bool user_login(buyer_Entity buyer)
{
buyer_T Buyer = new buyer_T();
string passWord = buyerDB.buyer_T.Where(c => c.b_account.Equals(buyer.B_account)).Select(c => c.b_password).FirstOrDefault();
if (passWord != null)
{
if (passWord.Equals(buyer.B_password))
{
return(true);
}
}
return(false);
}
