{"id":102241,"date":"2021-11-09T03:36:42","date_gmt":"2021-11-09T01:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-otkrytoj-platformy-platformy-net-6"},"modified":"2021-11-09T03:36:42","modified_gmt":"2021-11-09T01:36:42","slug":"reliz-otkrytoj-platformy-platformy-net-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-otkrytoj-platformy-platformy-net-6","title":{"rendered":"Bylo vyd\u00e1no open-source platformy .NET 6.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Microsoft p\u0159edstavila novou v\u00fdznamnou verzi otev\u0159en\u00e9 platformy .NET 6, vytvo\u0159enou d\u00edky unifikaci produkt\u016f .NET Framework, .NET Core a Mono. Na z\u00e1klad\u011b .NET 6 je mo\u017en\u00e9 vytv\u00e1\u0159et multiplatformn\u00ed aplikace pro prohl\u00ed\u017ee\u010de, cloudov\u00e9 syst\u00e9my, desktop, za\u0159\u00edzen\u00ed IoT a mobiln\u00ed platformy, p\u0159i\u010dem\u017e se pou\u017e\u00edvaj\u00ed jednotn\u00e9 knihovny a spole\u010dn\u00fd proces sestaven\u00ed, nez\u00e1visle na typu aplikace. Sestaven\u00ed .NET SDK 6, .NET Runtime 6 a ASP.NET Core Runtime 6 byla vytvo\u0159ena pro Linux, macOS a Windows. .NET Desktop Runtime 6 je dod\u00e1v\u00e1no pouze pro Windows. Pr\u00e1ce souvisej\u00edc\u00ed s projektem se \u0161\u00ed\u0159\u00ed pod licenc\u00ed MIT.    <\/p>\n<p>.NET 6 zahrnuje runtime CoreCLR s JIT kompil\u00e1torem RyuJIT, standardn\u00ed knihovny, knihovny CoreFX, WPF, Windows Forms, WinUI, Entity Framework, p\u0159\u00edkazov\u00fd \u0159\u00e1dek dotnet a tak\u00e9 n\u00e1stroje pro v\u00fdvoj mikroslu\u017eeb, knihoven, serverov\u00fdch, grafick\u00fdch a konzolov\u00fdch aplikac\u00ed. Samostatn\u011b byla publikov\u00e1na sada pro v\u00fdvoj webov\u00fdch aplikac\u00ed ASP.NET Core 6.0 a ORM vrstva Entity Framework Core 6.0 (ovlada\u010de, v\u010detn\u011b pro SQLite a PostgreSQL), stejn\u011b jako verze jazyk\u016f C# 10 a F# 6. Podpora .NET 6.0 a C# 10 je zahrnuta ve svobodn\u00e9m editoru k\u00f3du Visual Studio Code.          <\/p>\n<p>Vlastnosti nov\u00e9ho vyd\u00e1n\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> V\u00fdrazn\u011b byla zv\u00fd\u0161ena v\u00fdkonnost, v\u010detn\u011b optimalizace souborov\u00e9ho vstupu\/v\u00fdstupu.\n<li class=\"l\"> V jazyce C# 10 byla implementov\u00e1na podpora struktur ve form\u011b z\u00e1znam\u016f (record struct), direktiv &#171;global using&#187;, prostor\u016f n\u00e1zv\u016f v\u00e1zan\u00fdch na soubory a nov\u00fdch mo\u017enost\u00ed pro lambda v\u00fdrazy. Do kompil\u00e1toru byla p\u0159id\u00e1na podpora inkrement\u00e1ln\u00ed generace zdrojov\u00e9ho k\u00f3du.\n<li class=\"l\"> V jazyce F# 6 byla p\u0159id\u00e1na podpora mechanismu asynchronn\u00edho vykon\u00e1v\u00e1n\u00ed \u00faloh async a pr\u016fb\u011b\u017en\u00e9ho lad\u011bn\u00ed.\n<li class=\"l\"> Dostupn\u00e1 je funkce Hot Reload, kter\u00e1 poskytuje n\u00e1stroje pro \u00fapravu k\u00f3du za chodu b\u011bhem b\u011bhu programu, co\u017e umo\u017e\u0148uje prov\u00e1d\u011bt zm\u011bny bez ru\u010dn\u00edho zastaven\u00ed b\u011bhu a bez p\u0159ipojov\u00e1n\u00ed bod\u016f p\u0159eru\u0161en\u00ed. V\u00fdvoj\u00e1\u0159 m\u016f\u017ee spustit aplikaci ve spr\u00e1v\u011b &#171;dotnet watch&#187;, po \u010dem\u017e se proveden\u00e9 zm\u011bny v k\u00f3du automaticky aplikuj\u00ed na b\u011b\u017e\u00edc\u00ed aplikaci, co\u017e umo\u017e\u0148uje okam\u017eit\u011b vid\u011bt v\u00fdsledek.\n<li class=\"l\"> Byla p\u0159id\u00e1na utilita &#171;dotnet monitor&#187; pro p\u0159\u00edstup k diagnostick\u00fdm informac\u00edm procesu dotnet.\n<li class=\"l\"> Byl navr\u017een nov\u00fd syst\u00e9m dynamick\u00e9 optimalizace na z\u00e1klad\u011b v\u00fdsledk\u016f profilov\u00e1n\u00ed k\u00f3du (PGO &#8212; Profile-guided optimization), kter\u00fd umo\u017e\u0148uje generovat optimalizovan\u011bj\u0161\u00ed k\u00f3d na z\u00e1klad\u011b anal\u00fdzy charakteristik b\u011bhu. Pou\u017eit\u00ed PGO vedlo k n\u00e1r\u016fstu v\u00fdkonu sady TechEmpower JSON &#171;MVC&#187; o 26%.\n<li class=\"l\"> V ASP.NET Core byly p\u0159id\u00e1ny podpora protokolu HTTP\/3 pro HttpClient a gRPC.\n<li class=\"l\"> API spojen\u00e9 s form\u00e1tem JSON bylo roz\u0161\u00ed\u0159eno. Byl p\u0159id\u00e1n nov\u00fd gener\u00e1tor k\u00f3du System.Text.Json a syst\u00e9m serializace dat ve form\u00e1tu JSON.\n<li class=\"l\"> V Blazor, platform\u011b pro vytv\u00e1\u0159en\u00ed webov\u00fdch aplikac\u00ed v jazyce C#, byla p\u0159id\u00e1na podpora pro vykreslov\u00e1n\u00ed Razor komponent z JavaScriptu a integraci s existuj\u00edc\u00edmi JavaScriptov\u00fdmi aplikacemi.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora kompilace .NET k\u00f3du do c\u00edlov\u00e9ho form\u00e1tu WebAssembly.\n<li class=\"l\"> V API File IO byla p\u0159id\u00e1na podpora symbolick\u00fdch odkaz\u016f. FileStream byl zcela p\u0159epracov\u00e1n.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora knihovny OpenSSL 3 a kryptografick\u00fdch algoritm\u016f ChaCha20\/Poly1305.\n<li class=\"l\"> V Runtime byly implementov\u00e1ny mechanismy ochrany W^X (Write XOR Execute, z\u00e1kaz soub\u011b\u017en\u00e9ho p\u0159\u00edstupu pro z\u00e1pis a v\u00fdkon) a CET (Control-flow Enforcement Technology, ochrana p\u0159ed vykon\u00e1v\u00e1n\u00edm exploit\u016f, kter\u00e9 vyu\u017e\u00edvaj\u00ed techniky orientovan\u00e9 na n\u00e1vrat).\n<li class=\"l\"> Byla p\u0159id\u00e1na experiment\u00e1ln\u00ed podpora iOS a Android jako TFM platformy (Target Framework Moniker).\n<li class=\"l\"> Byla v\u00fdrazn\u011b zlep\u0161ena podpora syst\u00e9m\u016f Arm64. Byla p\u0159id\u00e1na podpora pro za\u0159\u00edzen\u00ed Apple s ARM \u010dipem M1 (Apple Silicon).\n<li class=\"l\"> Byl zaji\u0161t\u011bn proces sestavov\u00e1n\u00ed .NET SDK z p\u016fvodn\u00edch text\u016f, co\u017e usnad\u0148uje pr\u00e1ci na vytv\u00e1\u0159en\u00ed bal\u00ed\u010dk\u016f s .NET pro distribuce Linux.\n<ul>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56124\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b .NET 6, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0439 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0443\u043d\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 .NET Framework, .NET Core \u0438 Mono. \u041d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 .NET 6 \u043c\u043e\u0436\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043c\u043d\u043e\u0433\u043e\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430, IoT-\u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0435\u0434\u0438\u043d\u044b\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0438 \u043e\u0431\u0449\u0438\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0441\u0431\u043e\u0440\u043a\u0438, \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0449\u0438\u0439 \u043e\u0442 \u0442\u0438\u043f\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u0421\u0431\u043e\u0440\u043a\u0438 .NET SDK 6, .NET [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102241","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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