{"id":1256,"date":"2024-12-13T08:53:10","date_gmt":"2024-12-13T11:53:10","guid":{"rendered":"https:\/\/micheladrianomedeiros.com.br\/blog\/?p=1256"},"modified":"2024-12-15T08:09:25","modified_gmt":"2024-12-15T11:09:25","slug":"introducao-ao-struts-framework","status":"publish","type":"post","link":"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/","title":{"rendered":"Introdu\u00e7\u00e3o ao Struts Framework"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-13-08.31.06-An-educational-illustration-explaining-the-architecture-of-Apache-Struts-Framework.-The-image-should-depict-a-clear-flow-diagram-showing-the-component.jpg\" alt=\"Introdu\u00e7\u00e3o ao Struts Framework\" class=\"wp-image-1257\" srcset=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-13-08.31.06-An-educational-illustration-explaining-the-architecture-of-Apache-Struts-Framework.-The-image-should-depict-a-clear-flow-diagram-showing-the-component.jpg 1024w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-13-08.31.06-An-educational-illustration-explaining-the-architecture-of-Apache-Struts-Framework.-The-image-should-depict-a-clear-flow-diagram-showing-the-component-300x300.jpg 300w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-13-08.31.06-An-educational-illustration-explaining-the-architecture-of-Apache-Struts-Framework.-The-image-should-depict-a-clear-flow-diagram-showing-the-component-150x150.jpg 150w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-13-08.31.06-An-educational-illustration-explaining-the-architecture-of-Apache-Struts-Framework.-The-image-should-depict-a-clear-flow-diagram-showing-the-component-768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Objetivo:<\/p>\n\n\n\n<p>Entender os fundamentos do Apache Struts, sua arquitetura e o prop\u00f3sito do framework no desenvolvimento de aplica\u00e7\u00f5es web baseadas em Java.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/#Por_que_usar_o_Struts\" >Por que usar o Struts?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/#Arquitetura_do_Struts\" >Arquitetura do Struts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/#Ciclo_de_Vida_de_uma_Requisicao_Struts\" >Ciclo de Vida de uma Requisi\u00e7\u00e3o Struts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/#Tarefa_Pratica\" >Tarefa Pr\u00e1tica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao-ao-struts-framework\/#Links\" >Links<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Por_que_usar_o_Struts\"><\/span><strong>Por que usar o Struts?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Arquitetura baseada no padr\u00e3o MVC<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Model<\/strong>: Representa os dados e a l\u00f3gica de neg\u00f3cio.<\/li>\n\n\n\n<li><strong>View<\/strong>: Exibe a interface do usu\u00e1rio (HTML, JSP).<\/li>\n\n\n\n<li><strong>Controller<\/strong>: Gerencia a intera\u00e7\u00e3o entre o Model e o View.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Automatiza\u00e7\u00e3o de tarefas comuns<\/strong>:\n<ul class=\"wp-block-list\">\n<li>O Struts reduz significativamente o c\u00f3digo repetitivo, especialmente em opera\u00e7\u00f5es como o processamento de formul\u00e1rios e a navega\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Flexibilidade e extensibilidade<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Sua arquitetura modular facilita a personaliza\u00e7\u00e3o e a adi\u00e7\u00e3o de novas funcionalidades, o que o torna adequado para projetos de diferentes tamanhos.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Comunidade ativa e suporte robusto<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Uma ampla comunidade oferece ferramentas maduras e diversos recursos online, garantindo suporte cont\u00ednuo.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Arquitetura_do_Struts\"><\/span><strong>Arquitetura do Struts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A arquitetura do Struts \u00e9 composta por v\u00e1rios componentes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ActionServlet<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Atua como o controlador principal, sendo respons\u00e1vel por direcionar requisi\u00e7\u00f5es para as a\u00e7\u00f5es apropriadas.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Action<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Cont\u00e9m a l\u00f3gica de neg\u00f3cio ou controla a navega\u00e7\u00e3o da aplica\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>ActionForm<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Um bean que captura os dados enviados pelos formul\u00e1rios.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>struts-config.xml<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Um arquivo de configura\u00e7\u00e3o que mapeia URLs para classes de a\u00e7\u00e3o e define a navega\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>View (JSP)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Respons\u00e1vel por apresentar os dados para o usu\u00e1rio.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ciclo_de_Vida_de_uma_Requisicao_Struts\"><\/span><strong>Ciclo de Vida de uma Requisi\u00e7\u00e3o Struts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Primeiramente, o usu\u00e1rio envia uma requisi\u00e7\u00e3o para o servidor. Em seguida, o <strong>ActionServlet<\/strong> intercepta essa requisi\u00e7\u00e3o e consulta o arquivo <code>struts-config.xml<\/code> para identificar o mapeamento correspondente. A partir desse ponto, a classe <strong>ActionForm<\/strong> armazena os dados do formul\u00e1rio, enquanto a classe <strong>Action<\/strong> processa a l\u00f3gica de neg\u00f3cio. Por fim, o resultado \u00e9 enviado para a <strong>View<\/strong>, que exibe a resposta para o usu\u00e1rio.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tarefa_Pratica\"><\/span><strong>Tarefa Pr\u00e1tica<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Configure o ambiente b\u00e1sico<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Baixe o <a href=\"https:\/\/struts.apache.org\/download.cgi\">Apache Struts<\/a>.<\/li>\n\n\n\n<li>Configure um servidor de aplica\u00e7\u00e3o como o Apache Tomcat.<\/li>\n\n\n\n<li>Certifique-se de que o <strong>JDK<\/strong> est\u00e1 instalado e configurado.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Estruture o projeto<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Crie a seguinte estrutura:<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>MyStrutsApp\/<br>\u251c\u2500\u2500 src\/<br>\u2502 \u251c\u2500\u2500 actions\/<br>\u2502 \u251c\u2500\u2500 forms\/<br>\u2502 \u2514\u2500\u2500 views\/<br>\u251c\u2500\u2500 WEB-INF\/<br>\u2502 \u251c\u2500\u2500 web.xml<br>\u2502 \u2514\u2500\u2500 struts-config.xml<br>\u2514\u2500\u2500 index.jsp<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Explore os arquivos essenciais<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Abra o arquivo <code>struts-config.xml<\/code> (inicie com um modelo vazio).<\/li>\n\n\n\n<li>Observe como o arquivo <code>web.xml<\/code> interage com o <strong>ActionServlet<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Links\"><\/span>Links<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_javaserver_faces\/\" target=\"_blank\" rel=\"noreferrer noopener\">Introdu\u00e7\u00e3o ao JavaServer Faces<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/go.hotmart.com\/N97060564G\" target=\"_blank\" rel=\"noreferrer noopener\">Domine a Arquitetura Monolito Modular com DDD: O Futuro do Desenvolvimento de Software<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objetivo: Entender os fundamentos do Apache Struts, sua arquitetura e o prop\u00f3sito do framework no desenvolvimento de aplica\u00e7\u00f5es web baseadas em Java. Por que usar o Struts? Arquitetura do Struts A arquitetura do Struts \u00e9 composta por v\u00e1rios componentes: Ciclo de Vida de uma Requisi\u00e7\u00e3o Struts Primeiramente, o usu\u00e1rio envia uma requisi\u00e7\u00e3o para o servidor. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,427],"tags":[430,433,428,441,434,439,196,247,432,440,435,431,186,437,429,436,438],"class_list":["post-1256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-struts","tag-actionform","tag-actionservlet","tag-apache-struts","tag-aplicacoes-web-java","tag-arquitetura-struts","tag-configuracao-de-ambiente","tag-desenvolvimento-java","tag-desenvolvimento-web","tag-framework-mvc","tag-introducao-ao-struts","tag-java-web","tag-jsp","tag-mvc","tag-servidor-apache-tomcat","tag-struts-framework","tag-struts-config-xml","tag-tarefas-praticas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Introdu\u00e7\u00e3o ao Struts Framework - Viciados em Aprender<\/title>\n<meta name=\"description\" content=\"Aprenda os fundamentos do Apache Struts, um poderoso framework MVC para aplica\u00e7\u00f5es web Java. 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