در متد AddMonths ماه میلادی به تاریخ اضافه میشد که درست شد.
همچنین متد AddYears درست شد.
PM> Install-Package DNTFrameworkCore.Web
public class BlogsController : CrudController<IBlogService, int, BlogModel> { public BlogsController(IBlogService service) : base(service) { } protected override string CreatePermissionName => PermissionNames.Blogs_Create; protected override string EditPermissionName => PermissionNames.Blogs_Edit; protected override string ViewPermissionName => PermissionNames.Blogs_View; protected override string DeletePermissionName => PermissionNames.Blogs_Delete; protected override string ViewName => "_BlogModal"; }
<form asp-action="@(Model.IsNew() ? "Create" : "Edit")" asp-controller="Blogs" asp-modal-form="BlogForm"> <div> <input type="hidden" name="save-continue" value="true"/> <input asp-for="RowVersion" type="hidden"/> <input asp-for="Id" type="hidden"/> <div> <div> <label asp-for="Title"></label> <input asp-for="Title" autocomplete="off"/> <span asp-validation-for="Title"></span> </div> </div> <div> <div> <label asp-for="Url"></label> <input asp-for="Url" type="url"/> <span asp-validation-for="Url"></span> </div> </div> </div> ... </form>
<div> <a asp-modal-delete-link asp-model-id="@Model.Id" asp-modal-toggle="false" asp-controller="Blogs" asp-action="Delete" asp-if="!Model.IsNew()" asp-permission="@PermissionNames.Blogs_Delete" title="Delete Blog"> <i></i> </a> <a title="Refresh Blog" asp-if="!Model.IsNew()" asp-modal-link asp-modal-toggle="false" asp-controller="Blogs" asp-action="Edit" asp-route-id="@Model.Id"> <i></i> </a> <a title="New Blog" asp-modal-link asp-modal-toggle="false" asp-controller="Blogs" asp-action="Create"> <i></i> </a> <button type="button" data-dismiss="modal"> <i></i> Cancel </button> <button type="submit"> <i></i> Save Changes </button> </div>
public class RoleModalViewModel : RoleModel { public IReadOnlyList<LookupItem> PermissionList { get; set; } }
protected override IActionResult RenderView(RoleModel role) { var model = _mapper.Map<RoleModalViewModel>(role); model.PermissionList = ReadPermissionList(); return PartialView(ViewName, model); }
برای مدیریت سناریوهای Master-Detail به مانند قسمت مدیریت دسترسیها در تب Permissions فرم بالا، امکاناتی در زیرساخت تعبیه شده است ولی پیادهسازی آن را به عنوان یک تمرین و با توجه به سری مطالب «Editing Variable Length Reorderable Collections in ASP.NET MVC» به شما واگذار میکنم.
نکته تکمیلی: برای ارسال اطلاعات اضافی به ویو Index متناظر با یک موجودیت میتوانید متد RenderIndex را به شکل زیر بازنویسی کنید:
protected override IActionResult RenderIndex(IPagedQueryResult<RoleReadModel> model) { var indexModel = new RoleIndexViewModel { Items = model.Items, TotalCount = model.TotalCount, Permissions = ReadPermissionList() }; return Request.IsAjaxRequest() ? (IActionResult) PartialView(indexModel) : View(indexModel); }
مدل RoleIndexViewModel استفاده شده در تکه کد بالا نیز به شکل زیر خواهد بود:
public class RoleIndexViewModel : PagedQueryResult<RoleReadModel> { public IReadOnlyList<LookupItem> Permissions { get; set; } }
فرآیند بارگذاری یک پارشالویو در مودال
به عنوان مثال برای استفاده از مودالهای بوت استرپ، ایده کار به این شکل است که یک مودال را به شکل زیر در فایل Layout قرار دهید:
<div class="modal fade" @*tabindex="-1"*@ id="main-modal" data-keyboard="true" data-backdrop="static" role="dialog" aria-hidden="true"> <div class="modal-dialog modal-dialog-centered" role="document"> <div class="modal-content"> <div class="modal-body"> Loading... </div> </div> </div> </div>
سپس در زمان کلیک بروی یک دکمه Ajaxای، ابتدا main-modal را نمایش داده و بعد از دریافت پارشالویو از سرور، آن را با محتوای modal-content جایگزین میکنیم. به همین دلیل Tag Halperهای مطرح شده در مطلب جاری، callbackهای failure/complete/success متناظر با unobtrusive-ajax را نیز مقداردهی میکنند. برای این منظور نیاز است تا متدهای جاوااسکریپتی زیر نیز در سطح شیء window تعریف شده باشند:
/*---------------------------------- asp-modal-link ---------------------------*/ window.handleModalLinkLoaded = function (data, status, xhr) { prepareForm('#main-modal.modal form'); }; window.handleModalLinkFailed = function (xhr, status, error) { //.... }; /*---------------------------------- asp-modal-form ---------------------------*/ window.handleModalFormBegin = function (xhr) { $('#main-modal a').addClass('disabled'); $('#main-modal button').attr('disabled', 'disabled'); }; window.handleModalFormComplete = function (xhr, status) { $('#main-modal a').removeClass('disabled'); $('#main-modal button').removeAttr('disabled'); }; window.handleModalFormSucceeded = function (data, status, xhr) { if (xhr.getResponseHeader('Content-Type') === 'text/html; charset=utf-8') { prepareForm('#main-modal.modal form'); } else { hideMainModal(); } }; window.handleModalFormFailed = function (xhr, status, error, formId) { if (xhr.status === 400) { handleBadRequest(xhr, formId); } };
Scaffold CustomTemplate Name Template
Scaffold CustomTemplate View Index
[DisplayName("Due Date")] public DateTime? DueDate { set; get; }
// Describes the information about a property on the model class ModelProperty { public string Name { get; set; } public string DisplayName { get; set; } public string ValueExpression { get; set; } public EnvDTE.CodeTypeRef Type { get; set; } public bool IsPrimaryKey { get; set; } public bool IsForeignKey { get; set; } public bool IsReadOnly { get; set; } }
static string GetDisplayName(EnvDTE.CodeProperty prop) { var displayAttr = prop.Attributes.OfType<EnvDTE80.CodeAttribute2>().Where(x => x.FullName == typeof(System.ComponentModel.DisplayNameAttribute).FullName).FirstOrDefault(); if(displayAttr == null) { return prop.Name; } return displayAttr.Value.Replace("\"",""); }
results.Add(new ModelProperty { Name = prop.Name, DisplayName = GetDisplayName(prop), ValueExpression = "Model." + prop.Name, Type = prop.Type, IsPrimaryKey = Model.PrimaryKeyName == prop.Name, IsForeignKey = ParentRelations.Any(x => x.RelationProperty == prop), IsReadOnly = !prop.IsWriteable() });
<# List<ModelProperty> properties = GetModelProperties(Model.ViewDataType, true); foreach (ModelProperty property in properties) { if (!property.IsPrimaryKey && !property.IsForeignKey) { #> <th> <#= property.DisplayName #> </th> <# } } #>
PM> Scaffold Controller -ModelType Task -ControllerName TasksController -DbContextType TasksDbContext -Repository -Force
PM> Scaffold CustomTemplate Controller ControllerWithRepository
// If you are using Dependency Injection, you can delete the following constructor public <#= Model.ControllerName #>() : this(<#= String.Join(", ", Repositories.Values.Select(x => "new " + x.RepositoryTypeName + "()")) #>) { }
PM> Scaffold Controller -ModelType Task -ControllerName TasksController -DbContextType TasksDbContext -Repository -Force -ForceMode ControllerOnly
Scaffold CustomScaffolder EFRepository
<ul class="list-group"> <li class="list-group-item">Item 1</li> <li class="list-group-item">Item 2</li> <li class="list-group-item">Item 3</li> </ul>
{ "version": "1.0.0-*", "dependencies": { "NETStandard.Library": "1.6.0", "Microsoft.AspNetCore.Http.Extensions": "1.0.0", "Microsoft.AspNetCore.Mvc.Abstractions": "1.0.1", "Microsoft.AspNetCore.Mvc.Core": "1.0.1", "Microsoft.AspNetCore.Mvc.ViewFeatures": "1.0.1", "Microsoft.AspNetCore.Razor.Runtime": "1.0.0" }, "frameworks": { "netstandard1.6": { "imports": "dnxcore50" } } }
namespace Core1RtmEmptyTest.TagHelpers { [HtmlTargetElement("list-group")] public class ListGroupTagHelper : TagHelper { [HtmlAttributeName("asp-items")] public List<string> Items { get; set; } public override void Process(TagHelperContext context, TagHelperOutput output) { } } }
<list-group></list-group>
<list-group asp-items="Model.Items"></list-group>
using System; using System.Collections.Generic; using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Mvc.Rendering; using Microsoft.AspNetCore.Mvc.ViewFeatures; using Microsoft.AspNetCore.Razor.TagHelpers; namespace Core1RtmEmptyTest.TagHelpers { [HtmlTargetElement("list-group")] public class ListGroupTagHelper : TagHelper { [HtmlAttributeName("asp-items")] public List<string> Items { get; set; } protected HttpRequest Request => ViewContext.HttpContext.Request; [ViewContext, HtmlAttributeNotBound] public ViewContext ViewContext { get; set; } public override void Process(TagHelperContext context, TagHelperOutput output) { if (context == null) { throw new ArgumentNullException(nameof(context)); } if (output == null) { throw new ArgumentNullException(nameof(output)); } if (Items == null) { throw new InvalidOperationException($"{nameof(Items)} must be provided"); } output.TagName = "ul"; output.TagMode = TagMode.StartTagAndEndTag; output.Attributes.Add("class", "list-group"); foreach (var item in Items) { TagBuilder itemBuilder = new TagBuilder("li"); itemBuilder.AddCssClass("list-group-item"); itemBuilder.InnerHtml.Append(item); output.Content.AppendHtml(itemBuilder); } } } }
@addTagHelper *,Core1RtmEmptyTest.TagHelpers
public override void OnAuthorization(AuthorizationContext filterContext)
filterContext.ActionDescriptor.ControllerDescriptor.ControllerName filterContext.ActionDescriptor.ActionName
filterContext.Result = new HttpStatusCodeResult(403);
Hello%20world%20,%20hi
<html>encoding</html>
<html>encoding</html>
کاراکتر | عبارت معادل | توضیحات |
> | > | |
< | < | |
" | " | |
' | ' | یا ;apos& به غیر از IE |
& | & |
public static unsafe void HtmlEncode(string value, TextWriter output) { int index = IndexOfHtmlEncodingChars(value, 0); if (index == -1) { output.Write(value); return; } int cch = value.Length - index; fixed (char* str = value) { char* pch = str; while (index-- > 0) { output.Write(*pch++); } while (cch-- > 0) { char ch = *pch++; if (ch <= '>') { switch (ch) { case '<': output.Write("<"); break; case '>': output.Write(">"); break; case '"': output.Write("""); break; case '\'': output.Write("'"); break; case '&': output.Write("&"); break; default: output.Write(ch); break; } } else if (ch >= 160 && ch < 256) { // The seemingly arbitrary 160 comes from RFC output.Write("&#"); output.Write(((int)ch).ToString(NumberFormatInfo.InvariantInfo)); output.Write(';'); } else { output.Write(ch); } } } } private static unsafe int IndexOfHtmlEncodingChars(string s, int startPos) { int cch = s.Length - startPos; fixed (char* str = s) { for (char* pch = &str[startPos]; cch > 0; pch++, cch--) { char ch = *pch; if (ch <= '>') { switch (ch) { case '<': case '>': case '"': case '\'': case '&': return s.Length - cch; } } else if (ch >= 160 && ch < 256) { return s.Length - cch; } } } return -1; }
<div id="log"></div> <script type="text/javascript"> var element = document.getElementById('log'); element.innerText = '<html> encoding </html>'; console.log(element.innerHTML); </script>
<html> encoding </html>
<div id="log"> </div> <script type="text/javascript"> var element = document.getElementById('log'); element.innerHTML = "<html> encoding </html>"; console.log(element.innerText); </script>
<html> encoding </html>
String.htmlEncode = function (s) { var el = document.createElement("div"); el.innerText = s || ''; return el.innerHTML; };
console.log(String.htmlEncode("<html>")); //result: <html>
String.prototype.htmlEncode = function () { var el = document.createElement("div"); el.innerText = this.toString(); return el.innerHTML; };
console.log("<html>".htmlEncode()); //result: <html>
String.htmlDecode = function (s) { var el = document.createElement("div"); el.innerHTML = s || ''; return el.innerText; };
String.prototype.htmlDecode = function () { var el = document.createElement("div"); el.innerHTML = this.toString(); return el.innerText; };
console.log(String.htmlDecode("<html>")); console.log("<html>".htmlDecode());
String.htmlEncode = function (s) { return $('<div/>').text(value).html(); }; String.prototype.htmlEncode = function () { return $('<div/>').text(this.toString()).html(); };
String.htmlDecode = function (s) { return $('<div/>').html(s).text(); }; String.prototype.htmlDecode = function () { return $('<div/>').html(this.toString()).text(); };
var value = "a \n b";
String.htmlEncode = function (s) { var el = document.createElement("div"); var txt = document.createTextNode(s); el.appendChild(txt); return el.innerHTML; };
String.htmlDecode(String.htmlEncode(myString)) === myString;
var myString = "<HTML>"; String.htmlDecode(String.htmlEncode(myString)) === myString; // result: true // -------------------------------------------------------------------------- myString = "<اچ تی ام ال>"; String.htmlDecode(String.htmlEncode(myString)) === myString; // result: true
myString = "a \r b"; String.htmlDecode(String.htmlEncode(myString)) === myString; // result: false
console.log(escape(String.htmlDecode('\r'))); // result: %0A : it is url encode of character '\n' console.log(escape(String.htmlDecode('\n'))); // result: %0A console.log(escape(String.htmlDecode('\r\n'))); // result: %0A
var el = document.createElement('div'); el.innerText = '\r'; console.log(escape(el.innerText)); // result: %0A el.innerHTML = '\r'; console.log(escape(el.innerHTML)); // result: %0A console.log(escape('\r')); // result: %0D
String.htmlEncode = function (text) { text = text || ''; var encoded = ''; for (var i = 0; i < text.length; i++) { var c = text[i]; switch (c) { case '<': encoded += '<'; break; case '>': encoded += '>'; break; case '&': encoded += '&'; break; case '"': encoded += '"'; break; case "'": encoded += '''; break; default: // the upper limit can be removed to support more chars... var code = c.charCodeAt(); if (code >= 160 & code < 256) encoded += '&#' + code + ';'; else encoded += c; } } return encoded; };
function escapeHTML() { return this.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>'); } function unescapeHTML() { return this.stripTags().replace(/</g, '<').replace(/>/g, '>').replace(/&/g, '&'); }
var andExp = /&/g, htmlExp = [/(<|>|")/g, /(<|>|')/g, /(<|>|'|")/g], htmlCharMap = { '<': '<', '>': '>', "'": ''', '"': '"' }, htmlReplace = function (all, $1) { return htmlCharMap[$1]; }; $.extend({ // convert special html characters htmlspecialchars: function (string, quot) { return string.replace(andExp, '&').replace(htmlExp[quot || 0], htmlReplace); } });
$.htmlspecialchars("<div>");
this.escapeHTML = function (s) { this.str = this.s(s) .split('&').join('&') .split('<').join('<') .split('>').join('>'); return this; }; this.unescapeHTML = function (s) { this.str = this.stripTags(this.s(s)).str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>'); return this; };