/// <summary>取一个字段的值
///
/// </summary>
/// <param name="filed">字段，如sum(je)</param>
/// <param name="cond">条件，如userid=2</param>
/// <returns></returns>
public string GetOneFiled(string filed, string cond)
{
string sql = "select " + filed + " from [user]";
if (!string.IsNullOrEmpty(cond))
{
sql += " where " + cond;
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
return(h.ExecuteScalar());
}
/// <summary>计算记录数
///
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public int CalcCount(string cond, IDbDataParameter[] paras = null)
{
string sql = "select count(1) from [user]";
if (!string.IsNullOrEmpty(cond))
{
sql += " where " + cond;
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
if (paras != null)
{
h.AddParameter(paras);
}
return(int.Parse(h.ExecuteScalar()));
}
/// <summary>增加一条数据
///
/// </summary>
public int Add(mhqNetAPP.Model.User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into [user](");
strSql.Append("[creatdate], [username], [password], [face], [usertype], [phone], [qq], [email], [remark] )");
strSql.Append(" values (");
strSql.Append("@creatdate, @username, @password, @face, @usertype, @phone, @qq, @email, @remark )");
strSql.Append(";select @@IDENTITY");
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
if (model.creatdate == null)
{
h.AddParameter("@creatdate", DBNull.Value);
}
else
{
h.AddParameter("@creatdate", model.creatdate);
}
if (model.username == null)
{
h.AddParameter("@username", DBNull.Value);
}
else
{
h.AddParameter("@username", model.username);
}
if (model.password == null)
{
h.AddParameter("@password", DBNull.Value);
}
else
{
h.AddParameter("@password", model.password);
}
if (model.face == null)
{
h.AddParameter("@face", DBNull.Value);
}
else
{
h.AddParameter("@face", model.face);
}
if (model.usertype == null)
{
h.AddParameter("@usertype", DBNull.Value);
}
else
{
h.AddParameter("@usertype", model.usertype);
}
if (model.phone == null)
{
h.AddParameter("@phone", DBNull.Value);
}
else
{
h.AddParameter("@phone", model.phone);
}
if (model.qq == null)
{
h.AddParameter("@qq", DBNull.Value);
}
else
{
h.AddParameter("@qq", model.qq);
}
if (model.email == null)
{
h.AddParameter("@email", DBNull.Value);
}
else
{
h.AddParameter("@email", model.email);
}
if (model.remark == null)
{
h.AddParameter("@remark", DBNull.Value);
}
else
{
h.AddParameter("@remark", model.remark);
}
int result;
string obj = h.ExecuteScalar();
if (!int.TryParse(obj, out result))
{
return(0);
}
return(result);
}