/// <summary>
/// 克隆一个Entity对象
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public static T CloneEntity <T>(T entity)
where T : EntityBase
{
if (entity == null)
{
return(default(T));
}
Type type = entity.GetType();
object t = GetFastInstanceCreator(type)();
var fiels = type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic);
var list = new List <FieldInfo>(fiels);
foreach (PropertyInfo p in type.GetProperties())
{
if (!CanUseType(p.PropertyType))
{
continue; //shallow only
}
object value = GetPropertyValue(entity, p.Name);
if (value == null)
{
continue;
}
//对属性赋值
FieldInfo field = list.Find(f => f.Name == "_" + p.Name);
if (field != null)
{
field.SetValue(t, value);
}
}
return((T)t);
}
/// <summary>
/// 快速创建一个T
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="type"></param>
/// <returns></returns>
public static T CreateInstance <T>(Type type)
{
if (!type.IsPublic)
{
return((T)Activator.CreateInstance(type));
}
else
{
return((T)GetFastInstanceCreator(type)());
}
}
/// <summary>
/// 快速创建一个T
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static T CreateInstance <T>()
{
return((T)GetFastInstanceCreator(typeof(T))());
}