public bool CheckCode(string phone, string code)
{
account_code account_code = entity.account_code.FirstOrDefault(p => p.phone == phone);
TimeSpan timeSpan = DateTime.Now.Subtract(account_code.sys_datetime.Value);
if (timeSpan.TotalMinutes <= this.expireTime)
{
return(account_code.code == code);
}
return(false);
}
public string CreateCode(string phone)
{
Random random = new Random();
string codeStr = random.Next(1000, 10000).ToString();
account_code account_code = entity.account_code.FirstOrDefault(p => p.phone == phone);
if (account_code == null)
{
account_code new_account_code = new account_code()
{
code = codeStr,
phone = phone,
sys_datetime = DateTime.Now,
};
entity.account_code.Add(new_account_code);
}
else
{
account_code.code = codeStr;
account_code.sys_datetime = DateTime.Now;
}
entity.SaveChanges();
return(codeStr);
}