我尝试了几个与问题相关的已回答问题,但似乎无法解决问题。
这里是我发送给我的API的JSON对象:
{
"userName": "Test_06",
"password": "@00a00B00c",
"firstName": "Test",
"lastName": "Test",
"address": {
"houseNumber": 1,
"appartementBus": "A bus 34",
"street": "Teststreet",
"ZIP": "0000",
"country": "Test"
}
}
而且我正在尝试将地址对象映射到地址POCO:
using System.Collections.Generic;
namespace Kubex.Models
{
public class Address
{
public int Id { get; set; }
public int HouseNumber { get; set; }
public string AppartementBus { get; set; }
public int StreetId { get; set; }
public virtual Street Street { get; set; }
public int ZIPId { get; set; }
public virtual ZIP ZIP { get; set; }
public int CountryId { get; set; }
public virtual Country Country { get; set; }
public virtual ICollection<User> Users { get; set; }
public virtual ICollection<Company> Companies { get; set; }
public virtual ICollection<Post> Posts { get; set; }
}
}
以下类型基本相同,国家/地区示例如下
using System.Collections.Generic;
namespace Kubex.Models
{
public class Country
{
public byte Id { get; set; }
public string Name { get; set; }
public virtual ICollection<Address> Addresses { get; set; }
}
}
我从邮递员那里得到的错误如下:
{
"errors": {
"address.ZIP": [
"Error converting value \"0000\" to type 'Kubex.Models.ZIP'. Path 'address.ZIP', line 10, position 18."
],
"address.street": [
"Error converting value \"Teststreet\" to type 'Kubex.Models.Street'. Path 'address.street', line 9, position 27."
],
"address.country": [
"Error converting value \"Test\" to type 'Kubex.Models.Country'. Path 'address.country', line 11, position 22."
]
},
"type": "https://tools.ietf.org/html/rfc7231#section-6.5.1",
"title": "One or more validation errors occurred.",
"status": 400,
"traceId": "|cca8afa7-463e762ee0ed670d."
}
我试图为每个类型创建从字符串到类型的映射。但我不断收到错误消息。看起来像这样:也尝试过ConstructUsing。
CreateMap<string, Country>()
.ConvertUsing(s => new Country { Name = s });
CreateMap<string, ZIP>()
.ConvertUsing(s => new ZIP { Code = s });
CreateMap<string, Street>()
.ConvertUsing(s => new Street { Name = s });
我也需要为地址创建地图吗?如果是这样,我应该怎么做,因为我不知道它如何看待对象,以及如何为它创建地图。
非常感谢。
编辑:
这是DTO的一部分,我正在发送API端点以注册用户,这是使用的映射:
CreateMap<UserRegisterDTO, User>();
这就是DTO的样子:
using Kubex.Models;
namespace Kubex.DTO
{
public class UserRegisterDTO
{
public string UserName { get; set; }
public string Password { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public Address Address { get; set; }
}
}
这是User类的外观:
using System.Collections.Generic;
using Microsoft.AspNetCore.Identity;
namespace Kubex.Models
{
public class User : IdentityUser
{
public string FirstName { get; set; }
public string LastName { get; set; }
public string EmployeeNumber { get; set; }
public int? AddressId { get; set; }
public virtual Address Address { get; set; }
public virtual ICollection<License> Licenses { get; set; }
public virtual ICollection<Contact> Contacts { get; set; }
public virtual ICollection<Post> Posts { get; set; }
}
}
在我的服务中,我使用以下行进行映射:
var newUser = _mapper.Map<User>(dto);
如果我理解正确,则UserRegisterDTO中使用的Address类与User中的相同。并不是说这是直接的问题,而是从体系结构的角度来看,因为将DTO与数据库模型混合在一起(我想),DTO应该仅引用简单类型或其他DTO。
因此,我宁愿有这样的内容:
public class UserRegisterDTO
{
public string UserName { get; set; }
public string Password { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public AddressDTO Address { get; set; }
}
public class AddressDTO {
public string HouseNumber { get;set; }
public string AppartementBus { get;set; }
public string Street { get;set; }
public string ZIP { get;set; }
public string Country { get;set; }
}
然后可能从AddressDTO映射到Address:
CreateMap<AddressDTO, Address>()
.ForMember(d => d.Country, d => d.ResolveUsing(s => new Country { Name = s.Country }))
// cut for brevity
但是我还是不喜欢这样。由于此映射会为每个请求创建国家/地区实例,并且根据您的设置,它甚至可能在数据库中创建新行。