//定义字段描述信息，字段长度，基本验证规则public partial class Order:Entity{public Order() {OrderDetails = new HashSet<OrderDetail>();}[Key]public int Id { get; set; }[Required][Display(Name ="客户名称",Description ="订单所属的客户",Order =1)][MaxLength(30)]public string Customer { get; set; }[Required][Display(Name = "发货地址", Description = "发货地址", Order = 2)][MaxLength(200)]public string ShippingAddress { get; set; }[Display(Name = "订单日期", Description = "订单日期默认当天", Order = 3)]public DateTime OrderDate { get; set; }//关联订单明细 1-*public virtual ICollection<OrderDetail> OrderDetails { get; set; }}public partial class OrderDetail:Entity{[Key]public int Id { get; set; }[Required(ErrorMessage = "必选")][Display(Name ="商品", Description ="商品",Order =2)]public int ProductId { get; set; }[ForeignKey("ProductId")][Display(Name = "商品", Description = "商品", Order = 3)]public Product Product { get; set; }[Required(ErrorMessage="必填")][Range(1,9999)][Display(Name = "数量", Description = "需求数量", Order = 4)]public int Qty { get; set; }[Required(ErrorMessage = "必填")][Range(1, 9999)][Display(Name = "单价", Description = "单价", Order = 5)]public decimal Price { get; set; }[Required(ErrorMessage = "必填")][Range(1, 9999)][Display(Name = "金额", Description = "金额(数量x单价)", Order = 6)]public decimal Amount { get; set; }[Display(Name = "订单号", Description = "订单号", Order = 1)]public int OrderId { get; set; }//关联订单表头[ForeignKey("OrderId")][Display(Name = "订单号", Description = "订单号", Order = 1)]public Order Order { get; set; }}

Controllers\OrdersController.cs  /* MVC控制类 */
Repositories\Orders\OrderQuery.cs  /* 定义与业务逻辑相关查询比如分页帅选，外键/主键查询 */
Repositories\Orders\OrderRepository.cs /* Repository模式  */
Services\Orders\IOrderService.cs /* 具体的业务逻辑接口  */
Services\Orders\OrderService.cs /* 具体的业务逻辑实现  */
Views\Orders\Index.cshtml /* 订单信息DataGrid包括查询/新增/删除/修改/导入/导出等功能  */
Views\Orders\_PopupDetailFormView.cshtml /* 订单信息弹出编辑框  */
Views\Orders\Create.cshtml /* 订单信息新增操作页面  */
Views\Orders\Edit.cshtml /* 订单信息编辑操作页面 */
Views\Orders\EditForm.cshtml /* 订单信息编辑表单  */

var entityname = "Order";//下载Excel导入模板function downloadtemplate() {//TODO: 修改下载模板的路径var url = "/ExcelTemplate/Order.xlsx";$.fileDownload(url).fail(function() {$.messager.alert("错误", "没有找到模板文件! {" + url + "}");});}//打开Excel上传导入function importexcel() {$("#importwindow").window("open");}//执行Excel到处下载function exportexcel() {var filterRules = JSON.stringify($dg.datagrid("options").filterRules);//console.log(filterRules);$.messager.progress({title: "正在执行导出！"});var formData = new FormData();formData.append("filterRules", filterRules);formData.append("sort", "Id");formData.append("order", "asc");$.postDownload("/Orders/ExportExcel", formData, function(fileName) {$.messager.progress("close");console.log(fileName);})}//显示帮助信息function dohelp() {}//easyui datagrid 增删改查操作var $dg = $("#orders_datagrid").datagrid({rownumbers: true,checkOnSelect: true,selectOnCheck: true,idField: 'Id',sortName: 'Id',sortOrder: 'desc',remoteFilter: true,singleSelect: true,toolbar: '#orders_toolbar',url: '/Orders/GetData',method: 'get',onClickCell: onClickCell,pagination: true,striped: true,columns: [[/*{ field: 'ck', checkbox: true },*/{field: '_operate1',title: '操作',width: 120,sortable: false,resizable: true,formatter: showdetailsformatter},/*{field:'Id',width:80 ,sortable:true,resizable:true }*/{field: 'Customer',title: '@Html.DisplayNameFor(model => model.Customer)',width: 140,editor: {type: 'textbox',options: {prompt: '客户名称',required: true,validType: 'length[0,30]'}},sortable: true,resizable: true},{field: 'ShippingAddress',title: '@Html.DisplayNameFor(model => model.ShippingAddress)',width: 140,editor: {type: 'textbox',options: {prompt: '发货地址',required: true,validType: 'length[0,200]'}},sortable: true,resizable: true},{field: 'OrderDate',title: '@Html.DisplayNameFor(model => model.OrderDate)',width: 160,align: 'right',editor: {type: 'datebox',options: {prompt: '订单日期',required: true}},sortable: true,resizable: true,formatter: dateformatter},]]});var editIndex = undefined;function reload() {if (endEditing()) {$dg.datagrid("reload");}}function endEditing() {if (editIndex == undefined) {return true}if ($dg.datagrid("validateRow", editIndex)) {$dg.datagrid("endEdit", editIndex);editIndex = undefined;return true;} else {return false;}}function onClickCell(index, field) {var _operates = ["_operate1", "_operate2", "_operate3", "ck"]if ($.inArray(field, _operates) >= 0) {return;}if (editIndex != index) {if (endEditing()) {$dg.datagrid("selectRow", index).datagrid("beginEdit", index);editIndex = index;var ed = $dg.datagrid("getEditor", {index: index,field: field});if (ed) {($(ed.target).data("textbox") ? $(ed.target).textbox("textbox") : $(ed.target)).focus();}} else {$dg.datagrid("selectRow", editIndex);}}}function append() {if (endEditing()) {//$dg.datagrid("appendRow", { Status: 0 });//editIndex = $dg.datagrid("getRows").length - 1;$dg.datagrid("insertRow", {index: 0,row: {}});editIndex = 0;$dg.datagrid("selectRow", editIndex).datagrid("beginEdit", editIndex);}}function removeit() {if (editIndex == undefined) {return}$dg.datagrid("cancelEdit", editIndex).datagrid("deleteRow", editIndex);editIndex = undefined;}function accept() {if (endEditing()) {if ($dg.datagrid("getChanges").length) {var inserted = $dg.datagrid("getChanges", "inserted");var deleted = $dg.datagrid("getChanges", "deleted");var updated = $dg.datagrid("getChanges", "updated");var effectRow = new Object();if (inserted.length) {effectRow.inserted = inserted;}if (deleted.length) {effectRow.deleted = deleted;}if (updated.length) {effectRow.updated = updated;}//console.log(JSON.stringify(effectRow));$.post("/Orders/SaveData", effectRow, function(response) {//console.log(response);if (response.Success) {$.messager.alert("提示", "提交成功！");$dg.datagrid("acceptChanges");$dg.datagrid("reload");}}, "json").fail(function(response) {//console.log(response);$.messager.alert("错误", "提交错误了！", "error");//$dg.datagrid("reload");});}//$dg.datagrid("acceptChanges");}}function reject() {$dg.datagrid("rejectChanges");editIndex = undefined;}function getChanges() {var rows = $dg.datagrid("getChanges");alert(rows.length + " rows are changed!");}//datagrid 开启筛选功能$(function() {$dg.datagrid("enableFilter", [{field: "Id",type: "numberbox",op: ['equal', 'notequal', 'less', 'lessorequal', 'greater', 'greaterorequal']},{field: "OrderDate",type: "dateRange",options: {onChange: function(value) {$dg.datagrid("addFilterRule", {field: "OrderDate",op: "between",value: value});$dg.datagrid("doFilter");}}},]);})//-----------------------------------------------------//datagrid onSelect//-----------------------------------------------------function showdetailsformatter(value, row, index) {return '<a οnclick="showDetailsWindow(' + row.Id + ')" class="easyui-linkbutton" href="javascript:void(0)">查看明细</a>';}//弹出明细信息function showDetailsWindow(id) {//console.log(index, row);$.getJSON('/Orders/PopupEdit/' + id, function(data, status, xhr) {//console.log(data);$('#detailswindow').window('open');loadData(id, data);});}

 public class OrdersController : Controller{//private StoreContext db = new StoreContext();private readonly IOrderService _orderService;private readonly IUnitOfWorkAsync _unitOfWork;public OrdersController(IOrderService orderService, IUnitOfWorkAsync unitOfWork){_orderService = orderService;_unitOfWork = unitOfWork;}// GET: Orders/Index[OutputCache(Duration = 360, VaryByParam = "none")]public ActionResult Index(){return View();}// Get :Orders/PageList// For Index View Boostrap-Table load  data [HttpGet]public async Task<ActionResult> GetData(int page = 1, int rows = 10, string sort = "Id", string order = "asc", string filterRules = ""){var filters = JsonConvert.DeserializeObject<IEnumerable<filterRule>>(filterRules);var totalCount = 0;//int pagenum = offset / limit +1;var orders = await _orderService.Query(new OrderQuery().Withfilter(filters)).OrderBy(n => n.OrderBy(sort, order)).SelectPageAsync(page, rows, out totalCount);var datarows = orders.Select(n => new { Id = n.Id, Customer = n.Customer, ShippingAddress = n.ShippingAddress, OrderDate = n.OrderDate }).ToList();var pagelist = new { total = totalCount, rows = datarows };return Json(pagelist, JsonRequestBehavior.AllowGet);}[HttpPost]public async Task<ActionResult> SaveData(OrderChangeViewModel orders){if (orders.updated != null){foreach (var item in orders.updated){_orderService.Update(item);}}if (orders.deleted != null){foreach (var item in orders.deleted){_orderService.Delete(item);}}if (orders.inserted != null){foreach (var item in orders.inserted){_orderService.Insert(item);}}await _unitOfWork.SaveChangesAsync();return Json(new { Success = true }, JsonRequestBehavior.AllowGet);}//[OutputCache(Duration = 360, VaryByParam = "none")]public async Task<ActionResult> GetOrders(string q = ""){var orderRepository = _unitOfWork.RepositoryAsync<Order>();var data = await orderRepository.Queryable().Where(n => n.Customer.Contains(q)).ToListAsync();var rows = data.Select(n => new { Id = n.Id, Customer = n.Customer });return Json(rows, JsonRequestBehavior.AllowGet);}//[OutputCache(Duration = 360, VaryByParam = "none")]public async Task<ActionResult> GetProducts(string q = ""){var productRepository = _unitOfWork.RepositoryAsync<Product>();var data = await productRepository.Queryable().Where(n => n.Name.Contains(q)).ToListAsync();var rows = data.Select(n => new { Id = n.Id, Name = n.Name });return Json(rows, JsonRequestBehavior.AllowGet);}// GET: Orders/Details/5public async Task<ActionResult> Details(int? id){if (id == null){return new HttpStatusCodeResult(HttpStatusCode.BadRequest);}var order = await _orderService.FindAsync(id);if (order == null){return HttpNotFound();}return View(order);}// GET: Orders/Createpublic ActionResult Create(){var order = new Order();//set default valuereturn View(order);}// POST: Orders/Create// To protect from overposting attacks, please enable the specific properties you want to bind to, for more details see http://go.microsoft.com/fwlink/?LinkId=317598.[HttpPost][ValidateAntiForgeryToken]public async Task<ActionResult> Create([Bind(Include = "OrderDetails,Id,Customer,ShippingAddress,OrderDate,CreatedDate,CreatedBy,LastModifiedDate,LastModifiedBy")] Order order){if (ModelState.IsValid){order.ObjectState = ObjectState.Added;foreach (var item in order.OrderDetails){item.OrderId = order.Id;item.ObjectState = ObjectState.Added;}_orderService.InsertOrUpdateGraph(order);await _unitOfWork.SaveChangesAsync();if (Request.IsAjaxRequest()){return Json(new { success = true }, JsonRequestBehavior.AllowGet);}DisplaySuccessMessage("Has append a Order record");return RedirectToAction("Index");}else{var modelStateErrors = String.Join("", this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors.Select(n => n.ErrorMessage)));if (Request.IsAjaxRequest()){return Json(new { success = false, err = modelStateErrors }, JsonRequestBehavior.AllowGet);}DisplayErrorMessage(modelStateErrors);}return View(order);}// GET: Orders/PopupEdit/5[OutputCache(Duration = 360, VaryByParam = "id")]public async Task<ActionResult> PopupEdit(int? id){if (id == null){return new HttpStatusCodeResult(HttpStatusCode.BadRequest);}var order = await _orderService.FindAsync(id);return Json(order, JsonRequestBehavior.AllowGet);}// GET: Orders/Edit/5public async Task<ActionResult> Edit(int? id){if (id == null){return new HttpStatusCodeResult(HttpStatusCode.BadRequest);}var order = await _orderService.FindAsync(id);if (order == null){return HttpNotFound();}return View(order);}// POST: Orders/Edit/5// To protect from overposting attacks, please enable the specific properties you want to bind to, for more details see http://go.microsoft.com/fwlink/?LinkId=317598.[HttpPost][ValidateAntiForgeryToken]public async Task<ActionResult> Edit([Bind(Include = "OrderDetails,Id,Customer,ShippingAddress,OrderDate,CreatedDate,CreatedBy,LastModifiedDate,LastModifiedBy")] Order order){if (ModelState.IsValid){order.ObjectState = ObjectState.Modified;foreach (var item in order.OrderDetails){item.OrderId = order.Id;//set ObjectState with conditionsif (item.Id <= 0)item.ObjectState = ObjectState.Added;elseitem.ObjectState = ObjectState.Modified;}_orderService.InsertOrUpdateGraph(order);await _unitOfWork.SaveChangesAsync();if (Request.IsAjaxRequest()){return Json(new { success = true }, JsonRequestBehavior.AllowGet);}DisplaySuccessMessage("Has update a Order record");return RedirectToAction("Index");}else{var modelStateErrors = String.Join("", this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors.Select(n => n.ErrorMessage)));if (Request.IsAjaxRequest()){return Json(new { success = false, err = modelStateErrors }, JsonRequestBehavior.AllowGet);}DisplayErrorMessage(modelStateErrors);}return View(order);}// GET: Orders/Delete/5public async Task<ActionResult> Delete(int? id){if (id == null){return new HttpStatusCodeResult(HttpStatusCode.BadRequest);}var order = await _orderService.FindAsync(id);if (order == null){return HttpNotFound();}return View(order);}// POST: Orders/Delete/5[HttpPost, ActionName("Delete")]//[ValidateAntiForgeryToken]public async Task<ActionResult> DeleteConfirmed(int id){var order = await _orderService.FindAsync(id);_orderService.Delete(order);await _unitOfWork.SaveChangesAsync();if (Request.IsAjaxRequest()){return Json(new { success = true }, JsonRequestBehavior.AllowGet);}DisplaySuccessMessage("Has delete a Order record");return RedirectToAction("Index");}// Get Detail Row By Id For Edit// Get : Orders/EditOrderDetail/:id[HttpGet]public async Task<ActionResult> EditOrderDetail(int? id){if (id == null){return new HttpStatusCodeResult(HttpStatusCode.BadRequest);}var orderdetailRepository = _unitOfWork.RepositoryAsync<OrderDetail>();var orderdetail = await orderdetailRepository.FindAsync(id);var orderRepository = _unitOfWork.RepositoryAsync<Order>();var productRepository = _unitOfWork.RepositoryAsync<Product>();if (orderdetail == null){ViewBag.OrderId = new SelectList(await orderRepository.Queryable().ToListAsync(), "Id", "Customer");ViewBag.ProductId = new SelectList(await productRepository.Queryable().ToListAsync(), "Id", "Name");//return HttpNotFound();return PartialView("_OrderDetailEditForm", new OrderDetail());}else{ViewBag.OrderId = new SelectList(await orderRepository.Queryable().ToListAsync(), "Id", "Customer", orderdetail.OrderId);ViewBag.ProductId = new SelectList(await productRepository.Queryable().ToListAsync(), "Id", "Name", orderdetail.ProductId);}return PartialView("_OrderDetailEditForm", orderdetail);}// Get Create Row By Id For Edit// Get : Orders/CreateOrderDetail[HttpGet]public async Task<ActionResult> CreateOrderDetail(){var orderRepository = _unitOfWork.RepositoryAsync<Order>();ViewBag.OrderId = new SelectList(await orderRepository.Queryable().ToListAsync(), "Id", "Customer");var productRepository = _unitOfWork.RepositoryAsync<Product>();ViewBag.ProductId = new SelectList(await productRepository.Queryable().ToListAsync(), "Id", "Name");return PartialView("_OrderDetailEditForm");}// Post Delete Detail Row By Id// Get : Orders/DeleteOrderDetail/:id[HttpPost, ActionName("DeleteOrderDetail")]public async Task<ActionResult> DeleteOrderDetailConfirmed(int id){var orderdetailRepository = _unitOfWork.RepositoryAsync<OrderDetail>();orderdetailRepository.Delete(id);await _unitOfWork.SaveChangesAsync();if (Request.IsAjaxRequest()){return Json(new { success = true }, JsonRequestBehavior.AllowGet);}DisplaySuccessMessage("Has delete a Order record");return RedirectToAction("Index");}// Get : Orders/GetOrderDetailsByOrderId/:id[HttpGet]public async Task<ActionResult> GetOrderDetailsByOrderId(int id){var orderdetails = _orderService.GetOrderDetailsByOrderId(id);if (Request.IsAjaxRequest()){var data = await orderdetails.AsQueryable().ToListAsync();var rows = data.Select(n => new { OrderCustomer = (n.Order == null ? "" : n.Order.Customer), ProductName = (n.Product == null ? "" : n.Product.Name), Id = n.Id, ProductId = n.ProductId, Qty = n.Qty, Price = n.Price, Amount = n.Amount, OrderId = n.OrderId });return Json(rows, JsonRequestBehavior.AllowGet);}return View(orderdetails);}//导出Excel[HttpPost]public ActionResult ExportExcel(string filterRules = "", string sort = "Id", string order = "asc"){var fileName = "orders_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx";var stream = _orderService.ExportExcel(filterRules, sort, order);return File(stream, "application/vnd.ms-excel", fileName);}private void DisplaySuccessMessage(string msgText){TempData["SuccessMessage"] = msgText;}private void DisplayErrorMessage(string msgText){TempData["ErrorMessage"] = msgText;}protected override void Dispose(bool disposing){if (disposing){_unitOfWork.Dispose();}base.Dispose(disposing);}}