/// <summary>
/// 查询,按照所有不为空的条件查询
/// </summary>
/// <param name="Filter">查询类</param>
/// <param name="TInfo">返回类型</param>
/// <param name="TFilter">查询类型</param>
/// <returns></returns>
public List <TableEntityBase> SelectList(TableEntityBase Filter, Type TInfo, Type TFilter)
{
List <TableEntityBase> res = new List <TableEntityBase>();
TableEntityBase refinfo = TableEntityBase.Create(TInfo);
PropertyInfo[] Allprop = Filter.GetAllSelectField().Where(a =>
{
return(a.GetValue(Filter, null) != null);
}).ToArray();
IDbDataParameter[] dbprams = Allprop.Select(a =>
{
IDbDataParameter p = GetDbDataParameter(a, Filter);
return(p);
}).ToArray();
RunSql(_dbCommand =>
{
_dbCommand.Parameters.Clear();
_dbCommand.Parameters.AddRange(dbprams);
string tablename = refinfo.GetTableName();
string select = string.Join(",", refinfo.GetAllField().Select(a => GetFieldName(a.Name)));
string where = string.Join(" and ", Allprop.Select(a => a.Name + "=" + GetPramCols(a.Name)));
_dbCommand.CommandText = string.Format(_select, select, tablename, where.IsEmpty(" 1=1 "));
using (DbDataReader reader = _dbCommand.ExecuteReader())
{
res = this.ReaderToEntity(TInfo, reader).ToList();
}
});
res.ForEach(a => a = _SelectChildren(a));
return(res);
}
/// <summary>
/// 删除，按照非null的进行删除，全null抛出异常
/// </summary>
/// <exception cref="DataBaseException"></exception>
/// 没有删除条件
/// <param name="info"></param>
/// <returns></returns>
public int DeleteList(TableEntityBase info)
{
int res = 0;
PropertyInfo[] Allprop = info.GetAllSelectField().Where(a =>
{
return(a.GetValue(info, null) != null);
}).ToArray();
IDbDataParameter[] dbprams = Allprop.Select(a =>
{
IDbDataParameter p = GetDbDataParameter(a, info);
return(p);
}).ToArray();
string tablename = info.GetTableName();
string where = string.Join(" and ", Allprop.Select(a => a.Name + "=" + GetPramCols(a.Name)));
if (string.IsNullOrEmpty(where))
{
throw new DataBaseException("没有删除条件，不能删除");
}
RunSql(_dbCommand =>
{
_dbCommand.Parameters.Clear();
_dbCommand.Parameters.AddRange(dbprams);
_dbCommand.CommandText = string.Format(_delete, tablename, where);
res = _dbCommand.ExecuteNonQuery();
});
return(res);
}
