/// <summary>
/// 删除已移除的图片扩展字段
/// </summary>
private void ThumDelete(IDbConnection conn, IDbTransaction trans, List <Model.site_channel_thum> thums, int channel_id)
{
List <Model.site_channel_thum> thum = new List <Model.site_channel_thum>();
thum = WriteDataBase.Query <Model.site_channel_thum>(conn, trans, Sql.Builder.Select("id").From(databaseprefix + "site_channel_thum").Where("channel_id=" + channel_id)).ToList();
foreach (var dr in thum)
{
Model.site_channel_thum model = thums.Find(p => p.id == dr.id); //查找对应的字段ID
if (model == null)
{
WriteDataBase.Execute(conn, trans, "delete from " + databaseprefix + "site_channel_thum where channel_id=" + channel_id + " and id=" + dr.id);//删除该行
}
}
}
/// <summary>
/// 将对象转换实体
/// </summary>
public Model.site_channel DataRowToModel(DataRow row)
{
Model.site_channel model = new Model.site_channel();
if (row != null)
{
#region 主表信息======================
//利用反射获得属性的所有公共属性
Type modelType = model.GetType();
for (int i = 0; i < row.Table.Columns.Count; i++)
{
PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName);
if (proInfo != null && row[i] != DBNull.Value)
{
proInfo.SetValue(model, row[i], null);//用索引值设置属性值
}
}
#endregion
#region 子表信息======================
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from " + databaseprefix + "site_channel_field");
strSql.Append(" where channel_id=" + model.id);
DataTable dt = ReadDataBase.QueryFillDataSet(strSql.ToString()).Tables[0];
if (dt.Rows.Count > 0)
{
int rowsCount = dt.Rows.Count;
List <Model.site_channel_field> models = new List <Model.site_channel_field>();
Model.site_channel_field modelt;
for (int n = 0; n < rowsCount; n++)
{
modelt = new Model.site_channel_field();
Type modeltType = modelt.GetType();
for (int i = 0; i < dt.Rows[n].Table.Columns.Count; i++)
{
PropertyInfo proInfo = modeltType.GetProperty(dt.Rows[n].Table.Columns[i].ColumnName);
if (proInfo != null && dt.Rows[n][i] != DBNull.Value)
{
proInfo.SetValue(modelt, dt.Rows[n][i], null);
}
}
models.Add(modelt);
}
model.channel_fields = models;
}
#endregion
#region 缩略图尺寸====================
StringBuilder strSql3 = new StringBuilder();
strSql3.Append("select id,title,class_id,channel_id,width,height,typeid,is_lock,add_time from " + databaseprefix + "site_channel_thum");
strSql3.Append(" where channel_id=" + model.id);
DataTable ds3 = ReadDataBase.QueryFillDataSet(strSql3.ToString()).Tables[0];
if (ds3.Rows.Count > 0)
{
int i = ds3.Rows.Count;
List <Model.site_channel_thum> models = new List <Model.site_channel_thum>();
Model.site_channel_thum modelt;
for (int n = 0; n < i; n++)
{
modelt = new Model.site_channel_thum();
Type modeltType = modelt.GetType();
for (int j = 0; j < ds3.Rows[n].Table.Columns.Count; j++)
{
PropertyInfo proInfo = modeltType.GetProperty(ds3.Rows[n].Table.Columns[j].ColumnName);
if (proInfo != null && ds3.Rows[n][j] != DBNull.Value)
{
proInfo.SetValue(modelt, ds3.Rows[n][j], null);
}
}
models.Add(modelt);
}
model.channel_thums = models;
}
#endregion
}
return(model);
}
