/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WebApi_Model.T_Photo_Likes model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update T_Photo_Likes set ");
strSql.Append("UID=@UID,");
strSql.Append("PhotoCollectionID=@PhotoCollectionID,");
strSql.Append("CreateTime=@CreateTime");
strSql.Append(" where UID=@UID and PhotoCollectionID=@PhotoCollectionID and CreateTime=@CreateTime ");
SqlParameter[] parameters =
{
new SqlParameter("@UID", SqlDbType.Int, 4),
new SqlParameter("@PhotoCollectionID", SqlDbType.Int, 4),
new SqlParameter("@CreateTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UID;
parameters[1].Value = model.PhotoCollectionID;
parameters[2].Value = model.CreateTime;
int rows = DBHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(WebApi_Model.T_Photo_Likes model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into T_Photo_Likes(");
strSql.Append("UID,PhotoCollectionID,CreateTime)");
strSql.Append(" values (");
strSql.Append("@UID,@PhotoCollectionID,@CreateTime)");
SqlParameter[] parameters =
{
new SqlParameter("@UID", SqlDbType.Int, 4),
new SqlParameter("@PhotoCollectionID", SqlDbType.Int, 4),
new SqlParameter("@CreateTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UID;
parameters[1].Value = model.PhotoCollectionID;
parameters[2].Value = DateTime.Now;
int rows = DBHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WebApi_Model.T_Photo_Likes GetModel(int UID, int PhotoCollectionID, DateTime CreateTime)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 UID,PhotoCollectionID,CreateTime from T_Photo_Likes ");
strSql.Append(" where UID=@UID and PhotoCollectionID=@PhotoCollectionID and CreateTime=@CreateTime ");
SqlParameter[] parameters =
{
new SqlParameter("@UID", SqlDbType.Int, 4),
new SqlParameter("@PhotoCollectionID", SqlDbType.Int, 4),
new SqlParameter("@CreateTime", SqlDbType.DateTime)
};
parameters[0].Value = UID;
parameters[1].Value = PhotoCollectionID;
parameters[2].Value = CreateTime;
WebApi_Model.T_Photo_Likes model = new WebApi_Model.T_Photo_Likes();
DataSet ds = DBHelper.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 WebApi_Model.T_Photo_Likes DataRowToModel(DataRow row)
{
WebApi_Model.T_Photo_Likes model = new WebApi_Model.T_Photo_Likes();
if (row != null)
{
if (row["UID"] != null && row["UID"].ToString() != "")
{
model.UID = int.Parse(row["UID"].ToString());
}
if (row["PhotoCollectionID"] != null && row["PhotoCollectionID"].ToString() != "")
{
model.PhotoCollectionID = int.Parse(row["PhotoCollectionID"].ToString());
}
if (row["CreateTime"] != null && row["CreateTime"].ToString() != "")
{
model.CreateTime = DateTime.Parse(row["CreateTime"].ToString());
}
}
return(model);
}