/// <summary>
/// 获取主键,自增长,不允许编辑的成员名称
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static Tuple <List <string>, List <string>, List <string> > GetKeyNames(this Type type)
{
var pkFields = new List <string>();
var idetFields = new List <string>();
var exFields = new List <string>();
var metaPros = GetFlogProperties(type);
if (metaPros != null && metaPros.Any())
{
FieldInfoAttribute attr = null;
foreach (var p in metaPros)
{
attr = p.GetCustomAttribute <FieldInfoAttribute>();
if (attr != null)
{
if (attr.IsPK)
{
pkFields.Add(p.Name);
}
if (attr.IsIdEntity)
{
idetFields.Add(p.Name);
}
if (attr.IsAllowEdit == false)
{
exFields.Add(p.Name);
}
}
}
}
return(Tuple.Create(pkFields, idetFields, exFields));
}
protected Dictionary <string, FieldInfoAttribute> CreateFieldInfo(Type type)
{
var result = new Dictionary <string, FieldInfoAttribute>();
var properties = type.GetProperties();
foreach (var propery in properties)
{
var attr = type.GetAttributeFromType <FieldInfoAttribute>(propery.Name);
if (attr == null)
{
attr = new FieldInfoAttribute();
}
if (attr.NoDisplay)
{
continue;
}
if (attr.Title == null)
{
attr.Title = propery.Name;
}
result[propery.Name] = attr;
}
return(result);
}
/// <summary>
/// 获取单一主键名称
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static string GetPkName(this Type type)
{
var metaType = type.GetTypeInfo().GetCustomAttribute <ModelMetadataTypeAttribute>();
FieldInfoAttribute temp = null;
PropertyInfo[] pros = null;
if (metaType != null)
{
pros = metaType.MetadataType.GetProperties().Where(p => (temp = p.GetCustomAttribute <FieldInfoAttribute>()) != null && temp.IsPK)
.ToArray();
if (pros.Any())
{
return(pros.Select(c => c.Name).FirstOrDefault());
}
}
pros = type.GetProperties().Where(p => (temp = p.GetCustomAttribute <FieldInfoAttribute>()) != null && temp.IsPK).ToArray();
if (pros.Any())
{
return(pros.Select(c => c.Name).FirstOrDefault());
}
return(string.Empty);
}
