/// <summary>
/// 生成Update语句
/// </summary>
/// <param name="updateObject"></param>
/// <param name="command"></param>
public static void TranslateIntoUpdate <T>(Update <T> update, SqlCommand command)
{
StringBuilder sqlUpdate = new StringBuilder();
sqlUpdate.Append(baseUpdate);
sqlUpdate.Append(update.TableName + " SET ");
//删除字段
foreach (var item in update.ExcludeField)
{
if (update.Values.ContainsKey(item.Name))
{
update.Values.Remove(item.Name);
}
}
//条件列也可能跟新
//foreach (var item in update.Criterions)
//{
// if (update.Vaules.ContainsKey(item.FieldName))
// {
// update.Vaules.Remove(item.FieldName);
// }
//}
foreach (var item in update.Values)
{
sqlUpdate.Append(item.Key + "=@U_" + item.Key + ",");
command.Parameters.Add(ParameterDataNullHelper.ChangeNull("@U_" + item.Key, item.Value));
}
sqlUpdate.Remove(sqlUpdate.Length - 1, 1);
TranslateHelper.GetCriterionString(sqlUpdate, update.Criterions, command, update.SqlOperator);
command.CommandText = sqlUpdate.ToString();
}
/// <summary>
/// 生成Insert语句
/// </summary>
/// <param name="insertObject"></param>
/// <param name="command"></param>
public static void TranslateIntoInsert <T>(Insert <T> insert, SqlCommand command)
{
StringBuilder sqlInsert = new StringBuilder();
sqlInsert.Append(baseInsert);
sqlInsert.Append(insert.TableName + " (");
foreach (var item in insert.ExcludeField)
{
if (insert.Values.ContainsKey(item.Name))
{
insert.Values.Remove(item.Name);
}
}
foreach (var item in insert.Values)
{
sqlInsert.Append(item.Key + ",");
}
sqlInsert.Remove(sqlInsert.Length - 1, 1);
sqlInsert.Append(") VALUES (");
foreach (var item in insert.Values)
{
sqlInsert.Append("@I_" + item.Key + ",");
command.Parameters.Add(ParameterDataNullHelper.ChangeNull("@I_" + item.Key, item.Value));
}
sqlInsert.Remove(sqlInsert.Length - 1, 1);
sqlInsert.Append(")");
command.CommandText = sqlInsert.ToString();
}
