/// <summary>
/// 增加一条数据
/// </summary>
public static int Add(Model.CartTemp model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into CartTemp(");
strSql.Append("productId,productCount,addUser,status,remark,sel)");
strSql.Append(" values (");
strSql.Append("@productId,@productCount,@addUser,@status,@remark," + model.sel + ")");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@productId", SqlDbType.Int, 4),
new SqlParameter("@productCount", SqlDbType.Int, 4),
new SqlParameter("@addUser", SqlDbType.Int, 4),
new SqlParameter("@status", SqlDbType.Int, 4),
new SqlParameter("@remark", SqlDbType.VarChar, 50)
};
parameters[0].Value = model.productId;
parameters[1].Value = model.productCount;
parameters[2].Value = model.addUser;
parameters[3].Value = model.status;
parameters[4].Value = model.remark;
object obj = DBHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public static Model.CartTemp DataRowToModel(DataRow row)
{
Model.CartTemp model = new Model.CartTemp();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["productId"] != null && row["productId"].ToString() != "")
{
model.productId = int.Parse(row["productId"].ToString());
}
if (row["productCount"] != null && row["productCount"].ToString() != "")
{
model.productCount = int.Parse(row["productCount"].ToString());
}
if (row["addUser"] != null && row["addUser"].ToString() != "")
{
model.addUser = int.Parse(row["addUser"].ToString());
}
if (row["status"] != null && row["status"].ToString() != "")
{
model.status = int.Parse(row["status"].ToString());
}
if (row["remark"] != null)
{
model.remark = row["remark"].ToString();
}
if (row["sel"] != null && row["sel"].ToString() != "")
{
model.sel = int.Parse(row["sel"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public static Model.CartTemp GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 * from CartTemp ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Model.CartTemp model = new Model.CartTemp();
DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public static Model.CartTemp GetModelByProductId(int userId, int productId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 * from CartTemp ");
strSql.Append(" where productId=@productId and addUser = "******"@productId", SqlDbType.Int, 4)
};
parameters[0].Value = productId;
Model.CartTemp model = new Model.CartTemp();
DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 购物车更新Quantity
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static int UpdateCart(Model.CartTemp item)
{
string sql = "update CartTemp set productCount = " + item.productCount + ",remark = '" + item.remark + "' where id = " + item.id;
return(DBHelperSQL.ExecuteSql(sql));
}
