private static Property ParseProperty(object root, string propertyName)
{
try
{
if (root == null)
{
return(null);
}
string[] items = propertyName.Split('.');
if (items == null || items.Length < 1)
{
return(null);
}
//单个属性
if (items.Length == 1)
{
return(new Property(root.GetType().GetProperty(propertyName, propertyBindingFlags), root));
}
//多个属性
object target = root;
string name = null;
for (int i = 0; i < items.Length; i++)
{
name = items[i];
//依据属性名称获取对象的属性
PropertyInfo p = target.GetType().GetProperty(name, propertyBindingFlags);
//取最后一个即属性的本身(过滤了该属性的基类)
if (i < items.Length - 1)
{
var oldTarget = target;
target = p.Get(target);//p.GetValue(target, null);
if (target == null)
{
if (!p.CanWrite)
{
return(null);
}
target = ObjectCreator.Create(p.PropertyType);
p.Set(oldTarget, target);
}
}
}
return(new Property(target.GetType().GetProperty(name, propertyBindingFlags), target));
}
catch
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="obj"></param>
/// <param name="propertyName"></param>
/// <param name="value"></param>
/// <param name="index"></param>
public static void SetProperty(this object obj, string propertyName, object value, params object[] index)
{
Guard.NotNull(obj, "obj");
Guard.NotNull(propertyName, "propertyName");
Property p = ParseProperty(obj, propertyName);
if (p == null || p.Name == null)
{
return;
}
if (!p.Name.CanWrite)
{
return;
}
if (value == null)
{
if (p.Name.PropertyType.IsValueType)
{
value = ObjectCreator.Create(p.Name.PropertyType);
}
}
try
{
if (!p.Name.PropertyType.IsAssignableFrom(value.GetType()))
{
value = Mapper.Map(value, value.GetType(), p.Name.PropertyType);
}
if (p.Owner.GetType().IsValueType || (index != null && index.Length > 0))
{
p.Name.SetValue(p.Owner, value, index);
}
else
{
p.Name.ToMemberSetter()(p.Owner, value);
}
}
finally { }
}
///// <summary>
/////
///// </summary>
///// <param name="type"></param>
///// <returns></returns>
//public static Type GetNonNullableType(Type type)
//{
// if (TypeHelper.IsNullable(type))
// return Nullable.GetUnderlyingType(type);
// return type;
//}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static object GetDefault(Type type)
{
//Guard.NotNull(type, "type");
return(ObjectCreator.Create(type));
}