如果使用单个实体，使用automapper对我来说很好
Using automapper works fine for me if using single entities
如果我要添加两个或多个实体，我必须在一个类中声明所有属性，以便在Ajax调用中从View将它们正确映射到JS。
只是检查我是否遗漏了AutoMapper可以做的我没有利用的事情
例如，如果只使用一个实体（Customer），则AutoMapper中的以下内容可以正常工作：
Mapper.CreateMap<CustomerDTO, Customer>();
var customer = Mapper.Map<CustomerDTO, Customer>(custDTO);
如果使用两个或多个实体，我必须执行以下操作：
using (var dbcxtTrans = DbContext.Database.BeginTransaction(System.Data.IsolationLevel.RepeatableRead))
{
Customer cust = new Customer();
cust.Address1 = custProjDTO.customer_Address1;
cust.Address2 = custProjDTO.customer_Address2;
cust.CellPhone = custProjDTO.customer_CellPhone;
cust.City = custProjDTO.customer_City;
cust.Company = custProjDTO.customer_Company;
cust.CreatedDate = custProjDTO.customer_CreatedDate;
cust.Email = custProjDTO.customer_Email;
cust.FirstName = custProjDTO.customer_FirstName;
cust.HomePhone = custProjDTO.customer_HomePhone;
cust.IMAddress = custProjDTO.customer_IMAddress;
cust.LastName = custProjDTO.customer_LastName;
cust.State = custProjDTO.customer_State;
cust.UpdatedDate = custProjDTO.customer_UpdatedDate;
cust.UserName = custProjDTO.customer_UserName;
cust.Website = custProjDTO.customer_Website;
cust.Zip = custProjDTO.customer_Zip;
DbContext.Customers.Add(cust);
await DbContext.SaveChangesAsync();
Project proj = new Project();
proj.CustomerID = cust.CustomerID;
proj.CategoryID = custProjDTO.project_CategoryID;
proj.CreatedDate = custProjDTO.project_CreatedDate;
proj.Description = custProjDTO.project_Description;
proj.Name = custProjDTO.project_Name;
proj.Notes = custProjDTO.project_Notes;
proj.PriorityID = custProjDTO.project_PriorityID;
proj.Quote = custProjDTO.project_Quote;
proj.StatusID = custProjDTO.project_StatusID;
proj.UpdatedDate = custProjDTO.project_UpdatedDate;
DbContext.Projects.Add(proj);
await DbContext.SaveChangesAsync();
dbcxtTrans.Commit();
}
这是因为我的属性名称必须与视图中的名称对齐（见下文）
@model YeagerTechDB.ViewModels.Customers.CustomerProject
@{
ViewBag.Title = "Create Customer & Project";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>Create</h2>
<div class="body-content">
<h4>Customer/Project</h4>
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<fieldset>
<legend>Customer</legend>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-11 col-md-11 col-sm-11 col-xs-11">
@Html.EditorFor(model => model.customer_UserName, new { htmlAttributes = new { @class = "form-control", @placeholder = "UserName" } })
@Html.ValidationMessageFor(model => model.customer_UserName, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-md-11 col-sm-11 col-xs-11">
@Html.EditorFor(model => model.customer_Email, new { htmlAttributes = new { @class = "form-control", @placeholder = "Email" } })
@Html.ValidationMessageFor(model => model.customer_Email, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-11 col-md-11 col-sm-11 col-xs-11">
@Html.EditorFor(model => model.customer_Company, new { htmlAttributes = new { @class = "form-control", @placeholder = "Company" } })
@Html.ValidationMessageFor(model => model.customer_Company, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_FirstName, new { htmlAttributes = new { @class = "form-control", @placeholder = "First Name" } })
@Html.ValidationMessageFor(model => model.customer_FirstName, "", new { @class = "text-danger" })
</div>
<div class="col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_LastName, new { htmlAttributes = new { @class = "form-control", @placeholder = "Last Name" } })
@Html.ValidationMessageFor(model => model.customer_LastName, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-11 col-md-11 col-sm-11 col-xs-11">
@Html.EditorFor(model => model.customer_Address1, new { htmlAttributes = new { @class = "form-control", @placeholder = "Address1" } })
@Html.ValidationMessageFor(model => model.customer_Address1, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-11 col-md-11 col-sm-11 col-xs-11">
@Html.EditorFor(model => model.customer_Address2, new { htmlAttributes = new { @class = "form-control", @placeholder = "Address2" } })
@Html.ValidationMessageFor(model => model.customer_Address2, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_City, new { htmlAttributes = new { @class = "form-control", @placeholder = "City" } })
@Html.ValidationMessageFor(model => model.customer_City, "", new { @class = "text-danger" })
</div>
<div class="col-md-2 col-sm-2 col-xs-2">
@Html.EditorFor(model => model.customer_State, new { htmlAttributes = new { @class = "form-control", @placeholder = "State" } })
@Html.ValidationMessageFor(model => model.customer_State, "", new { @class = "text-danger" })
</div>
<div class="col-md-3 col-sm-3 col-xs-3">
@Html.EditorFor(model => model.customer_Zip, new { htmlAttributes = new { @class = "form-control", @placeholder = "Zip" } })
@Html.ValidationMessageFor(model => model.customer_Zip, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_HomePhone, new { htmlAttributes = new { @class = "form-control", @placeholder = "Home Phone" } })
@Html.ValidationMessageFor(model => model.customer_HomePhone, "", new { @class = "text-danger" })
</div>
<div class="col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_CellPhone, new { htmlAttributes = new { @class = "form-control", @placeholder = "Cell Phone" } })
@Html.ValidationMessageFor(model => model.customer_CellPhone, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_Website, new { htmlAttributes = new { @class = "form-control", @placeholder = "Website" } })
@Html.ValidationMessageFor(model => model.customer_Website, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-5 col-md-5 col-sm-5 col-xs-5">
@Html.EditorFor(model => model.customer_IMAddress, new { htmlAttributes = new { @class = "form-control", @placeholder = "IM Address" } })
@Html.ValidationMessageFor(model => model.customer_IMAddress, "", new { @class = "text-danger" })
</div>
</div>
</fieldset>
<fieldset>
<legend>Project</legend>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-4 col-md-4 col-sm-4 col-xs-4">
@Html.EditorFor(model => model.project_Name, new { htmlAttributes = new { @class = "form-control", @placeholder = "ProjectName" } })
@Html.ValidationMessageFor(model => model.project_Name, "", new { @class = "text-danger" })
</div>
<div class="col-lg-7 col-md-7 col-sm-7 col-xs-7">
@Html.EditorFor(model => model.project_Description, new { htmlAttributes = new { @class = "form-control", @placeholder = "Description" } })
@Html.ValidationMessageFor(model => model.project_Description, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-3 col-md-3 col-sm-3 col-xs-3">
@Html.DropDownListFor(model => model.project_CategoryID, new SelectList(ViewBag.Categories, "CategoryID", "CategoryDescription"), "-- Select Category --", new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.project_CategoryID, "", new { @class = "text-danger" })
</div>
<div class="col-lg-3 col-md-3 col-sm-3 col-xs-3">
@Html.DropDownListFor(model => model.project_PriorityID, new SelectList(ViewBag.Priorities, "PriorityID", "PriorityDescription"), "-- Select Priority --", new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.project_PriorityID, "", new { @class = "text-danger" })
</div>
<div class="col-lg-3 col-md-3 col-sm-3 col-xs-3">
@Html.DropDownListFor(model => model.project_StatusID, new SelectList(ViewBag.Statuses, "StatusID", "StatusDescription"), "-- Select Status --", new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.project_StatusID, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-10 col-md-10 col-sm-10 col-xs-10">
@Html.EditorFor(model => model.project_Quote, new { htmlAttributes = new { @class = "form-control", @placeholder = "Quote" } })
@Html.ValidationMessageFor(model => model.project_Quote, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 col-lg-10 col-md-10 col-sm-10 col-xs-10">
@Html.EditorFor(model => model.project_Notes, new { htmlAttributes = new { @class = "form-control", @placeholder = "Notes" } })
@Html.ValidationMessageFor(model => model.project_Notes, "", new { @class = "text-danger" })
</div>
</div>
</fieldset>
<div class="form-group">
<div>
<button type="submit" id="btnCustomerProjectCreate" class="btn btn-default col-offset-2"><span class="glyphicon glyphicon-save"></span>Create</button>
</div>
</div>
</div>
<div>
@Html.ActionLink("Back to List", "Index")
@Html.Hidden("customerprojectCreateUrl", Url.Action("Create", "CustomerProjects", new { area = "Customers" }))
</div>
@section Scripts {
<script>
$(document).ready(function ()
{
if (typeof contentCreateCustomerProject == "function")
contentCreateCustomerProject();
});
</script>
}
反过来，它必须与我的JS属性一致：
var customerProject_Input = {
customer_UserName: $('#customer_UserName').val(),
customer_Email: $('#customer_Email').val(),
customer_Company: $('#customer_Company').val(),
customer_FirstName: $('#customer_FirstName').val(),
customer_LastName: $('#customer_LastName').val(),
customer_Address1: $('#customer_Address1').val(),
customer_Address2: $('#customer_Address2').val(),
customer_City: $('#customer_City').val(),
customer_State: $('#customer_State').val(),
customer_Zip: $('#customer_Zip').val(),
customer_HomePhone: $('#customer_HomePhone').val(),
customer_CellPhone: $('#customer_CellPhone').val(),
customer_Website: $('#customer_Website').val(),
customer_IMAddress: $('#customer_IMAddress').val(),
customer_CreatedDate: currdate,
customer_UpdatedDate: null,
project_Name: $('#project_Name').val(),
project_Description: $('#project_Description').val(),
project_CategoryID: $('#project_CategoryID').val(),
project_PriorityID: $('#project_PriorityID').val(),
project_StatusID: $('#project_StatusID').val(),
project_Quote: $('#project_Quote').val(),
project_Notes: $('#project_Notes').val(),
project_CreatedDate: currdate,
project_UpdatedDate: null
};
反过来，只能在一个类中定义（见下文）：
using System;
using System.ComponentModel.DataAnnotations;
using System.Runtime.Serialization;
namespace YeagerTechDB.ViewModels.Customers
{
[Serializable, DataContract(IsReference = true)]
public class CustomerProject
{
//Customer
[ScaffoldColumn(true)]
[Display(Name = "ID")]
[DataMember]
public short customer_CustomerID { get; set; }
[Required]
[StringLength(256)]
[DataMember]
public string customer_UserName { get; set; }
[Required]
[StringLength(50)]
[EmailAddress]
[DataMember]
public string customer_Email { get; set; }
[StringLength(50)]
[DataMember]
public string customer_Company { get; set; }
[StringLength(50)]
[DataMember]
public string customer_FirstName { get; set; }
[StringLength(50)]
[DataMember]
public string customer_LastName { get; set; }
[StringLength(50)]
[DataMember]
public string customer_Address1 { get; set; }
[StringLength(50)]
[DataMember]
public string customer_Address2 { get; set; }
[StringLength(50)]
[DataMember]
public string customer_City { get; set; }
[StringLength(2)]
[DataMember]
public string customer_State { get; set; }
[StringLength(10)]
[DataType(DataType.PostalCode)]
[RegularExpression(@"^'d{5}(-'d{4})?$", ErrorMessage = "Must match 99999 or 99999-9999 format")]
[DataMember]
public string customer_Zip { get; set; }
[StringLength(12)]
[DataType(DataType.PhoneNumber)]
[RegularExpression(@"^'s*(['(]?)'[?'s*'d{3}'s*']?[')]?'s*['-]?['.]?'s*'d{3}'s*['-]?['.]?'s*'d{4}$", ErrorMessage = "Must match 999-999-9999 format")]
[DataMember]
public string customer_HomePhone { get; set; }
[StringLength(12)]
[DataType(DataType.PhoneNumber)]
[RegularExpression(@"^'s*(['(]?)'[?'s*'d{3}'s*']?[')]?'s*['-]?['.]?'s*'d{3}'s*['-]?['.]?'s*'d{4}$", ErrorMessage = "Must match 999-999-9999 format")]
[DataMember]
public string customer_CellPhone { get; set; }
[StringLength(100)]
[DataType(DataType.Url)]
[DataMember]
public string customer_Website { get; set; }
[StringLength(50)]
[DataType(DataType.Url)]
[DataMember]
public string customer_IMAddress { get; set; }
[DataType(DataType.DateTime)]
[Display(Name = "Created")]
[DataMember]
public DateTime customer_CreatedDate { get; set; }
[Display(Name = "Updated")]
[DataType(DataType.DateTime)]
[DataMember]
public DateTime? customer_UpdatedDate { get; set; }
//Project
[ScaffoldColumn(false)]
[Editable(false)]
[Display(Name = "Proj ID")]
[DataMember]
public short project_ProjectID { get; set; }
[ScaffoldColumn(false)]
[Editable(true)]
[Display(Name = "Cust ID")]
[DataMember]
public short project_CustomerID { get; set; }
[Required(ErrorMessage = "Required!")]
[StringLength(30)]
[Display(Name = "Project Name")]
[DataMember]
public string project_Name { get; set; }
[Required]
[DataType(DataType.MultilineText)]
[DataMember]
public string project_Description { get; set; }
[ScaffoldColumn(true)]
[Display(Name = "Category")]
[DataMember]
public short project_CategoryID { get; set; }
[ScaffoldColumn(true)]
[Display(Name = "Priority")]
[DataMember]
public short project_PriorityID { get; set; }
[ScaffoldColumn(true)]
[Display(Name = "Status")]
[DataMember]
public short project_StatusID { get; set; }
[DataType(DataType.Currency)]
[DataMember]
public decimal? project_Quote { get; set; }
[DataType(DataType.MultilineText)]
[DataMember]
public string project_Notes { get; set; }
[DataType(DataType.DateTime)]
[Display(Name = "Created")]
[DataMember]
public DateTime project_CreatedDate { get; set; }
[DataType(DataType.DateTime)]
[Display(Name = "Updated")]
[DataMember]
public DateTime? project_UpdatedDate { get; set; }
}
}
由于两个类中的属性名称不相同，请尝试创建详细的映射配置，如：
Mapper.CreateMap<Customer, CustomerDTO>()
.ForMember(dest => dest.Address1,
opts => opts.MapFrom(src => src.customer_Address1))
.ForMember(dest => dest.Address2,
opts => opts.MapFrom(src => src.customer_Address2))
.ForMember(dest => dest.CellPhone,
opts => opts.MapFrom(src => src.customer_CellPhone))
.ForMember(dest => dest.City,
opts => opts.MapFrom(src => src.customer_City))
.ForMember(dest => dest.Company,
opts => opts.MapFrom(src => src.customer_Company))
.ForMember(dest => dest.CreatedDate,
opts => opts.MapFrom(src => src.customer_CreatedDate))
.ForMember(dest => dest.Email,
opts => opts.MapFrom(src => src.customer_Email))
.ForMember(dest => dest.FirstName,
opts => opts.MapFrom(src => src.customer_FirstName))
.ForMember(dest => dest.HomePhone,
opts => opts.MapFrom(src => src.customer_HomePhone))
.ForMember(dest => dest.IMAddress,
opts => opts.MapFrom(src => src.customer_IMAddress))
.ForMember(dest => dest.LastName,
opts => opts.MapFrom(src => src.customer_LastName))
.ForMember(dest => dest.State,
opts => opts.MapFrom(src => src.customer_State))
.ForMember(dest => dest.UpdatedDate,
opts => opts.MapFrom(src => src.customer_UpdatedDate))
.ForMember(dest => dest.UserName,
opts => opts.MapFrom(src => src.customer_UserName))
.ForMember(dest => dest.Website,
opts => opts.MapFrom(src => src.customer_Website))
.ForMember(dest => dest.Zip,
opts => opts.MapFrom(src => src.customer_Zip));
另外，为了保存对象，您不需要调用以下两次：
await DbContext.SaveChangesAsync();
只做一次：
DbContext.Projects.Add(proj);
DbContext.Customers.Add(cust);
await DbContext.SaveChangesAsync();
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