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如何设置值属性选择器Expression <Func <T,TResult >>

我需要使用模式工厂的想法将我的Person类实体中的实体属性Address与我的FactoryEntities类中的表达式linq相关联,看看这就是我拥有的和我想做的事情:

Address address = new Address();
address.Country = "Chile";
address.City = "Santiago";
address.ZipCode = "43532";
//Factory instance creation object
//This is idea
Person person = new FactoryEntity<Person>().AssociateWithEntity(p=>p.Address, address);

public class Person: Entity
{
    public string Name{ get; set; }
    public string LastName{ get; set; }
    public Address Address{ get; set; }
}

public class Address: Entity
{
    public string Country{ get; set; }
    public string City{ get; set; }
    public string ZipCode{ get; set; }
}

public class FactoryEntity<TEntity> where …
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c# linq expression-trees

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