EntityInfo GetEntityInfo(PropertyInfo[] pifs)
{
EntityInfo entityInfo = new EntityInfo();
entityInfo.pifs = pifs;
foreach (var item in pifs)
{
entityInfo.PropertyNames.Add(item.Name);
DBKeyAttribute attr = item.GetCustomAttribute <DBKeyAttribute>();
if (attr != null)
{
if (attr.KeyDescription.Equals(DBKeyAttribute.PRIMARYKEY))
{
entityInfo.PrimaryKeyPropertyName = item.Name;
entityInfo.PrimaryPropertyInfo = item;
String propertyTypeName = item.PropertyType.Name;
if (propertyTypeName.Equals("DateTime") || propertyTypeName.Equals("String"))
{
entityInfo.PrimaryKeyPropertyQuote = true;
}
else
{
entityInfo.PrimaryKeyPropertyQuote = false;
}
}
}
}
return(entityInfo);
}
/// <summary>
/// 更新一条记录,注意请保持SaveMode为SaveMode.UPDATE
/// </summary>
/// <param name="mode"></param>
/// <param name="TableName"></param>
/// <param name="args"></param>
public override void Save(EntitySaveMode mode = EntitySaveMode.UPDATE, String TableName = null)
{
try
{
SimplifiedEntity entity = this;
String tableName = null;
Type EntityType = null;
PropertyInfo[] pifs;
StringBuilder sb;
EntityType = entity.GetType();
if (TableName == null)
{
String __tableName = OrmHost.GetTableName(this.HostEntityType, null);
tableName = __tableName;
}
else
{
tableName = TableName;
if (tableName != null && tableName.EndsWith("Entity") && tableName != "Entity")
{
if (tableName.EndsWith("_Entity"))
{
tableName = tableName.Remove(tableName.Length - "_Entity".Length, "_Entity".Length);
}
if (tableName.EndsWith("Entity"))
{
tableName = tableName.Remove(tableName.Length - "Entity".Length, "Entity".Length);
}
}
}
pifs = entity.pifs;
sb = new StringBuilder();
sb.Clear();
foreach (var item in pifs)
{
if (item.Name.Equals("Id"))
{
continue;
}
DBKeyAttribute attr = item.GetCustomAttribute <DBKeyAttribute>();
if (attr != null && attr.KeyDescription.Equals(DBKeyAttribute.PRIMARYKEY))
{
continue;
}
Object obj = item.GetValue(entity, null);
String value = obj?.ToString();
if (value != null && value.Contains("'"))
{
value = value.Replace("\'", "\'\'");
}
value = GetEntityPropertyValue(item.PropertyType, obj);
sb.Append(
String.Format("{0}={1},", item.Name, value)
);
}
String sql = sb.ToString().TrimEnd(',');
OrmHost.AdonetContext.Update(tableName, sql +
String.Format(" where {0}={1}", entity.PrimaryKeyPropertyName, entity.GetPrimaryKeyValue())
);
}
catch (Exception e)
{
OrmHost?.AdonetContext.PerformErrorHandler(this, e);
}
}
