/// <summary>
/// 检索出Entity实例中有设置值的字段
/// </summary>
/// <typeparam name="T">实体类的类型</typeparam>
/// <param name="entity">实体类的实例</param>
/// <param name="effectiveEntityMemberNames">有效的Entity字段名称</param>
/// <param name="entityPropertyInfos">实体类对应的属性</param>
/// <returns>Entity实例中有设置值的字段</returns>
public static List <string> GetNotNullFields <T>(T entity)
{
List <string> entityFieldNames = EntityMappingTool.GetEntityFieldNames((typeof(T)));
List <PropertyInfo> entityPropertyInfos = EntityMappingTool.GetEntityPropertyInfos((typeof(T)));
List <string> notNullEntityFields = new List <string>(entityFieldNames.Count);
for (int i = 0; i < entityFieldNames.Count; i++)
{
if (entityPropertyInfos[i].GetValue(entity, null) != null)
{
notNullEntityFields.Add(entityFieldNames[i]);
}
}
return(notNullEntityFields);
}
