{"id":105515,"date":"2022-11-10T15:36:45","date_gmt":"2022-11-10T13:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-opublikoval-otkrytuyu-platformu-net-7"},"modified":"2022-11-10T15:36:45","modified_gmt":"2022-11-10T13:36:46","slug":"microsoft-opublikoval-otkrytuyu-platformu-net-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/microsoft-opublikoval-otkrytuyu-platformu-net-7","title":{"rendered":"A Microsoft lan\u00e7ou a plataforma aberta .NET 7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Microsoft apresentou uma atualiza\u00e7\u00e3o significativa da plataforma aberta .NET 7, criada a partir da unifica\u00e7\u00e3o dos produtos .NET Framework, .NET Core e Mono. Com o .NET 7, \u00e9 poss\u00edvel criar aplicativos multiplataforma para navegadores, sistemas em nuvem, desktops, dispositivos IoT e plataformas m\u00f3veis, utilizando bibliotecas unificadas e um processo de constru\u00e7\u00e3o comum, independentemente do tipo de aplica\u00e7\u00e3o. As vers\u00f5es do .NET SDK 7, .NET Runtime 7 e ASP.NET Core Runtime 7 foram desenvolvidas para Linux, macOS e Windows. O .NET Desktop Runtime 6 \u00e9 fornecido apenas para Windows. Os c\u00f3digos relacionados ao projeto s\u00e3o distribu\u00eddos sob a licen\u00e7a MIT. O suporte para a vers\u00e3o .NET 7 ser\u00e1 mantido por 18 meses, at\u00e9 14 de maio de 2024.     <\/p>\n<p>O .NET 7 inclui o runtime CoreCLR com o compilador JIT RyuJIT, bibliotecas padr\u00e3o, bibliotecas CoreFX, WPF, Windows Forms, WinUI, Entity Framework, a interface de linha de comando dotnet, al\u00e9m de ferramentas para desenvolver microservi\u00e7os, bibliotecas e aplicativos de servidor, gr\u00e1ficos e de console. Foi publicado separadamente o stack para desenvolvimento de web-aplica\u00e7\u00f5es ASP.NET Core 7.0, a camada ORM Entity Framework Core 7.0 (existem drivers, incluindo para SQLite e PostgreSQL), a biblioteca WPF 7 (Windows Presentation Foundation), o framework Windows Forms 7 para desenvolvimento de interfaces gr\u00e1ficas, a plataforma Orleans 7 para cria\u00e7\u00e3o de aplica\u00e7\u00f5es Cloud Native, e o framework MAUI 7 para o desenvolvimento de interfaces de usu\u00e1rio multiplataforma, assim como as vers\u00f5es das linguagens C# 11 e F# 7. O suporte ao .NET 7.0 e C# 11 est\u00e1 inclu\u00eddo no editor de c\u00f3digo gratuito Visual Studio Code.    <\/p>\n<p>Caracter\u00edsticas do novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> Foi realizada a unifica\u00e7\u00e3o da biblioteca padr\u00e3o de classes (BCL, Base Class Library) para uso em diferentes tipos de aplica\u00e7\u00f5es, incluindo programas para sistemas de desktop, web-aplica\u00e7\u00f5es, plataformas em nuvem, aplicativos m\u00f3veis, jogos, programas incorporados e sistemas de aprendizado de m\u00e1quina. Para o desenvolvimento de diversos tipos de aplica\u00e7\u00f5es, \u00e9 poss\u00edvel utilizar um \u00fanico SDK comum, Runtime e conjunto de bibliotecas.\n<li class=\"l\"> Foi introduzida a capacidade de vincular o aplicativo \u00e0 API correspondente \u00e0 vers\u00e3o .NET 7, atrav\u00e9s da defini\u00e7\u00e3o da plataforma de destino como \u00abnet7.0\u00bb, por exemplo, \u00abnet7.0\u00bb. Para vincula\u00e7\u00e3o a APIs espec\u00edficas de determinadas plataformas, \u00e9 poss\u00edvel detalhar o tipo de plataforma, como especificando \u00abnet7.0-android\u00bb.\n<li class=\"l\"> O suporte \u00e0 arquitetura ARM64 foi significativamente aprimorado e a busca pela paridade de desempenho entre aplicativos .NET em arquiteturas x86 e ARM64 continua. A efici\u00eancia do uso do cache de n\u00edvel tr\u00eas nos sistemas ARM64 foi elevada em runtime. Instru\u00e7\u00f5es LSE foram utilizadas para restringir o acesso \u00e0 mem\u00f3ria de threads paralelas, resultando em uma redu\u00e7\u00e3o de lat\u00eancia de 45%. Manipuladores que utilizam tipos vetoriais Vector64, Vector128 e Vector256 foram adicionados \u00e0 biblioteca, e as fun\u00e7\u00f5es EncodeToUtf8 e DecodeFromUtf8 foram reescritas com base em instru\u00e7\u00f5es vetoriais, proporcionando um aumento de desempenho de at\u00e9 60% (para as fun\u00e7\u00f5es NarrowUtf16ToAscii e GetIndexOfFirstNonAsciiChar, o ganho de desempenho chega a 35%). No geral, a velocidade dos testes na plataforma ARM64 aumentou de 10% a 60%.   <center><img decoding=\"async\" alt=\"A Microsoft lan\u00e7ou a plataforma aberta .NET 7\" src=\"\/wp-content\/uploads\/2022\/11\/c2defc0376e5bca9ae431b64bc7e85e5.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> O suporte \u00e0 plataforma Linux foi melhorado, incluindo pacotes .NET 6 adicionados aos reposit\u00f3rios padr\u00e3o do Ubuntu 22.04 e uma imagem docker otimizada, compacta e pronta para uso foi fornecida para implanta\u00e7\u00e3o r\u00e1pida de cont\u00eaineres com aplicativos baseados em .NET.\n<li class=\"l\"> O suporte \u00e0 arquitetura IBM Power de 64 bits (ppc64le) foi adicionado.\n<li class=\"l\"> Foi proposto um toolkit .NET Upgrade Assistant para facilitar a migra\u00e7\u00e3o de aplicativos legados para as vers\u00f5es .NET 6 ou .NET 7. A nova vers\u00e3o ampliou o suporte \u00e0 migra\u00e7\u00e3o de aplicativos de ASP.NET para ASP.NET Core, adicionou analisadores e corretores de c\u00f3digo para WinForms, WPF e bibliotecas de classes, implementou suporte para an\u00e1lise de arquivos execut\u00e1veis e adicionou suporte \u00e0 plataforma UWP (Plataforma Universal do Windows).\n<li class=\"l\"> Ampliadas as capacidades para a cria\u00e7\u00e3o de aplicativos para sistemas de nuvem (cloud-native) e plataformas PaaS (plataforma como servi\u00e7o). Agora \u00e9 poss\u00edvel criar aplicativos embalados em cont\u00eaineres isolados, utilizando o comando \u00abdotnet publish\u00bb.\n<li class=\"l\"> As ferramentas para monitoramento do estado dos aplicativos e coleta de m\u00e9tricas sobre seu desempenho foram expandidas. Novos eventos e m\u00e9todos foram introduzidos para analisar a atividade e o desempenho do aplicativo.\n<li class=\"l\"> Na linguagem C# 11, foi adicionada a suporte para literais de string n\u00e3o processados, que podem incluir caracteres especiais sem a necessidade de escape (esses literais s\u00e3o destacados com tr\u00eas aspas). Foram propostas interfaces gen\u00e9ricas para fun\u00e7\u00f5es matem\u00e1ticas e foi possibilitada a defini\u00e7\u00e3o de elementos est\u00e1ticos em interfaces virtuais, permitindo a aplica\u00e7\u00e3o de m\u00e9todos de programa\u00e7\u00e3o gen\u00e9rica para realizar opera\u00e7\u00f5es matem\u00e1ticas sem informa\u00e7\u00f5es exatas sobre o tipo dos valores.\n<li class=\"l\"> As capacidades da biblioteca padr\u00e3o foram ampliadas. Foi adicionado o API System.Formats.Tar para trabalhar com arquivos no formato Tar. Em fun\u00e7\u00f5es relacionadas ao tempo (TimeStamp, DateTime, etc.), foi adicionada suporte para microssegundos e nanossegundos. Em System.Text.Json, foi implementada a capacidade de controlar a serializa\u00e7\u00e3o e deserializa\u00e7\u00e3o de tipos .NET.\n<li class=\"l\"> Na interface de linha de comando \u00abdotnet new\u00bb, foi adicionado suporte \u00e0 autocompleta\u00e7\u00e3o de modelos de projetos t\u00edpicos ao pressionar a tecla Tab.\n<li class=\"l\"> No .NET SDK, foi implementada a possibilidade de restringir a aplica\u00e7\u00e3o de templates de projeto fornecidos, por exemplo, \u00e9 poss\u00edvel definir em quais sistemas operacionais um template \u00e9 permitido.\n<li class=\"l\"> No NuGet, foi adicionado um modo de gerenciamento centralizado de pacotes, permitindo gerenciar depend\u00eancias para v\u00e1rios projetos de uma vez.\n<li class=\"l\"> A performance do compilador JIT foi aumentada. Foi adicionada suporte para o mecanismo OSR (On Stack Replacement) para modificar o c\u00f3digo de m\u00e9todos j\u00e1 executados, permitindo otimiza\u00e7\u00f5es em m\u00e9todos que levam muito tempo para serem executados, sem precisar esperar o t\u00e9rmino da chamada atual (no teste TechEmpower, observou-se um aumento de 10 a 30% na performance de processamento das primeiras solicita\u00e7\u00f5es).\n<li class=\"l\"> A efic\u00e1cia da otimiza\u00e7\u00e3o baseada em resultados de perfilamento de c\u00f3digo (PGO \u2014 Profile-guided optimization) foi aumentada, permitindo considerar caracter\u00edsticas determinadas durante a execu\u00e7\u00e3o do programa.\n<li class=\"l\"> Foi adicionada suporte para compila\u00e7\u00e3o em arquivos execut\u00e1veis autossuficientes (Native AOT), onde todo o projeto \u00e9 compilado inicialmente em c\u00f3digo de m\u00e1quina para a plataforma alvo, sem usar c\u00f3digo intermedi\u00e1rio e sem a aplica\u00e7\u00e3o do JIT.        <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58084\">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 \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 7, \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 7 \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 7, .NET Runtime [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105516,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \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 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