{"id":2128,"date":"2026-05-26T06:54:30","date_gmt":"2026-05-26T06:54:30","guid":{"rendered":"https:\/\/www.vpascode.com\/pt\/docs\/uncategorized\/plantuml-use-case-diagram-syntax-guide\/"},"modified":"2026-05-26T06:54:30","modified_gmt":"2026-05-26T06:54:30","slug":"plantuml-use-case-diagram-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/pt\/docs\/vpascode-docs\/plantuml-use-case-diagram-syntax-guide\/","title":{"rendered":"Guia de Sintaxe de Diagrama de Caso de Uso do PlantUML"},"content":{"rendered":"<h2>O que \u00e9 um Diagrama de Caso de Uso?<\/h2>\n<p>Um <strong>Diagrama de Caso de Uso<\/strong>\u00e9 um plano comportamental usado para visualizar as rela\u00e7\u00f5es entre os usu\u00e1rios de um sistema (conhecidos como atores) e as a\u00e7\u00f5es ou objetivos espec\u00edficos que eles desejam alcan\u00e7ar (conhecidos como casos de uso). Em vez de mostrar loops l\u00f3gicos passo a passo, um diagrama de caso de uso fornece uma vis\u00e3o geral de alto n\u00edvel do escopo funcional de um sistema, tornando-o uma excelente ferramenta para definir requisitos do projeto, limites do sistema e fluxos de trabalho dos interessados.<\/p>\n<p>Com <strong>VPasCode<\/strong>, voc\u00ea pode criar instantaneamente diagramas de caso de uso claros e profissionais sem lutar contra o alinhamento visual da tela. Este guia ignora as nota\u00e7\u00f5es obscuras e legadas e se concentra exclusivamente nos elementos de sintaxe pr\u00e1ticos que voc\u00ea precisa para documenta\u00e7\u00e3o di\u00e1ria de software.<\/p>\n<h2>Guia de Sintaxe B\u00e1sica: Elementos e Constru\u00e7\u00f5es<\/h2>\n<p>Construir um diagrama de caso de uso no PlantUML depende de alguns elementos estruturais simples, envoltos nos seus padr\u00f5es <code>@startuml<\/code> e <code>@enduml<\/code> tags.<\/p>\n<h3>1. Declarando Atores<\/h3>\n<p>Um ator representa uma entidade externa que interage com seu aplicativo (como um usu\u00e1rio humano, um servi\u00e7o em segundo plano ou uma API de hardware externa). Voc\u00ea declara um ator usando a palavra-chave <code>actor<\/code> seguida por um ID de atalho interno:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvKe4ynDJSZFp51AB5PI2AujBKdCL7442cSKbHOb0QIK0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvKe4ynDJSZFp59BpS_CLb1n1xCpYagB45A1CIhv2C92Jcfke1000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">actor customer\r\nactor admin como \"Administrador do Sistema\"<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvKe4ynDJSZFp59BpS_CLb1n1xCpYagB45A1CIhv2C92Jcfke1000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvKe4ynDJSZFp51AB5PI2AujBKdCL7442cSKbHOb0QIK0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"qeawDFT\"><img alt=\"\" class=\"alignnone size-full wp-image-494\" decoding=\"async\" height=\"177\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c0d948f6a.png\" width=\"242\"\/><\/p>\n<p><em>Dica Profissional:<\/em> Use a palavra-chave <code>como<\/code> para atribuir uma string de exibi\u00e7\u00e3o limpa e leg\u00edvel por humanos a IDs de atores complexos.<\/p>\n<h3>2. Definindo Casos de Uso<\/h3>\n<p>Um caso de uso representa um objetivo funcional ou um processo de neg\u00f3cios. Voc\u00ea pode definir um caso de uso de duas maneiras: envolvendo o texto entre par\u00eanteses <code>(Seu Caso de Uso)<\/code>, ou usando explicitamente a <code>caso de uso<\/code>palavra-chave para formata\u00e7\u00e3o complexa:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:q_39Jy_CKoZ9Lt19BCv8oayiIj7avIejJarEB4vLICv8JSxEBorHI2nMK0eeoazEBIvMS2vAJSaiKN06AbK8IApCJSqhKG80\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt3DAobAB5B8orS8ICpCIytHvELAJYpELqX9LIW5KiaPgSdP-QKb2idvkVaAIW55-ScfnSL03G69wOcvgNab-I0P1UV4efB3Yy6wd8iEhqp9BCbN0W00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">(Entrar no Painel)\r\ncaso de uso checkout como \"Processar Pagamento com Cart\u00e3o de Cr\u00e9dito\"<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt3DAobAB5B8orS8ICpCIytHvELAJYpELqX9LIW5KiaPgSdP-QKb2idvkVaAIW55-ScfnSL03G69wOcvgNab-I0P1UV4efB3Yy6wd8iEhqp9BCbN0W00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:q_39Jy_CKoZ9Lt19BCv8oayiIj7avIejJarEB4vLICv8JSxEBorHI2nMK0eeoazEBIvMS2vAJSaiKN06AbK8IApCJSqhKG80\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"IKlNKEL\"><img alt=\"\" class=\"alignnone size-full wp-image-495\" decoding=\"async\" height=\"51\" sizes=\"(max-width: 428px) 100vw, 428px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c0ecace03.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c0ecace03.png 428w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c0ecace03-300x36.png 300w\" width=\"428\"\/><\/p>\n<h3>3. Mapeando Intera\u00e7\u00f5es B\u00e1sicas<\/h3>\n<p>Para conectar seus atores aos seus casos de uso correspondentes, use linhas de relacionamento b\u00e1sicas direcionadas ou n\u00e3o direcionadas. Tamb\u00e9m \u00e9 poss\u00edvel anexar r\u00f3tulos textuais para adicionar contexto cr\u00edtico a uma intera\u00e7\u00e3o:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IoujBidFJIrIqDMrKz3moK_Fp5CeoLTmIIpEICfFB4hHvELAJCa52eBaapDIaxFpIqiKh1IK70iAYlBBKeiLYbBJIlDIYfK0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Iyx9JCqhILNGrRLJq73DAobAB5B8orS8ICpCIytHvELAJCdDpCii1egdv1U1LILdf2PdvvUMA5WfA3aM5EMN9IeKfQRc9kNd5ESNAm40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">cliente --&gt; (Entrar no Painel)\r\nadministrador --&gt; checkout : \"Aprova reembolsos\"<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Iyx9JCqhILNGrRLJq73DAobAB5B8orS8ICpCIytHvELAJCdDpCii1egdv1U1LILdf2PdvvUMA5WfA3aM5EMN9IeKfQRc9kNd5ESNAm40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IoujBidFJIrIqDMrKz3moK_Fp5CeoLTmIIpEICfFB4hHvELAJCa52eBaapDIaxFpIqiKh1IK70iAYlBBKeiLYbBJIlDIYfK0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"MUOzhHD\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-496\" decoding=\"async\" fetchpriority=\"high\" height=\"227\" sizes=\"(max-width: 349px) 100vw, 349px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c1002cc19.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c1002cc19.png 349w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c1002cc19-300x195.png 300w\" width=\"349\"\/><\/p>\n<h3>4. Relacionamentos Avan\u00e7ados: Incluir e Estender<\/h3>\n<p>Ao modelar comportamentos de sistemas complexos, voc\u00ea frequentemente precisa mostrar depend\u00eancias entre diferentes casos de uso usando estere\u00f3tipos padr\u00e3o UML:<\/p>\n<ul>\n<li><strong>Incluir (Depend\u00eancia Obrigat\u00f3ria):<\/strong>Indica que um caso de uso base depende de outro caso de uso auxiliar para concluir com sucesso sua execu\u00e7\u00e3o. Use uma linha de conex\u00e3o pontilhada (<code>..&gt;<\/code>) com um r\u00f3tulo textual anexado:\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmWeoazEBIvMSCv8JSxEBotHLD3JirFG24ijoaohL71Ap4dCIqxLLB1IiB79p4lEAKr9jRC30000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmWeoazEBIvEB59mpaXDpiulBT5KqDEpKz08IotAJCjC1ae49-Qav6igM2dOs6Jc9UUKPXRPsG40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">(Processar Checkout) ..&gt; (Verificar Saldo) : &lt;&lt;incluir&gt;&gt;\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmWeoazEBIvEB59mpaXDpiulBT5KqDEpKz08IotAJCjC1ae49-Qav6igM2dOs6Jc9UUKPXRPsG40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmWeoazEBIvMSCv8JSxEBotHLD3JirFG24ijoaohL71Ap4dCIqxLLB1IiB79p4lEAKr9jRC30000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"DEWLqgl\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-498\" decoding=\"async\" height=\"146\" loading=\"lazy\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c12348e8b.png\" width=\"155\"\/><\/p>\n<\/li>\n<li><strong>Estender (Comportamento Opcional\/Condicional):<\/strong>Indica que um fluxo opcional pode se ramificar de um caso de uso base sob condi\u00e7\u00f5es espec\u00edficas. Observe que a seta aponta do caso de uso de *extens\u00e3o* de volta para o caso de uso de *base*:\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt0iACYfL0Weoi_DLt3EJqdLLD3JirFG00eafnONApXdf2PdvvUMQ2fOATZOf5QKfEQbsDa10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt0ioCbCJYnIS3wyEIKpFLyXe2W_DpyvCpylCKTJGK_FJa43A9ASMbmCKfEHcfoTNrgYgM2bO6EJMboIcfUIMcHd1m00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">(Aplicar C\u00f3digo Promocional) ..&gt; (Processar Checkout) : &lt;&lt;estender&gt;&gt;<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt0ioCbCJYnIS3wyEIKpFLyXe2W_DpyvCpylCKTJGK_FJa43A9ASMbmCKfEHcfoTNrgYgM2bO6EJMboIcfUIMcHd1m00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qt0iACYfL0Weoi_DLt3EJqdLLD3JirFG00eafnONApXdf2PdvvUMQ2fOATZOf5QKfEQbsDa10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-499\" decoding=\"async\" height=\"146\" loading=\"lazy\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17c9fc985a7.png\" width=\"155\"\/><\/p>\n<\/li>\n<\/ul>\n<h3>5. For\u00e7ando Fronteiras do Sistema<\/h3>\n<p>Para distinguir claramente o que acontece dentro de sua aplica\u00e7\u00e3o de software em compara\u00e7\u00e3o com o que acontece externamente, use o &#8220;<code>ret\u00e2ngulo<\/code>palavra-chave para envolver seus casos de uso internos. Crucialmente, os atores devem permanecer fora deste bloco de cont\u00eainer para refletir seu status como participantes externos:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvUBbAafDBadCIyz9LL1orNNEpmKA9wSg1EGabgJb5-KgALJpSYa0WOPJKNvvSQg2Ss99Oav-kYPKr34bHQ4a7oXQL08KgWKP23DSGLVN3eisL6ba_G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edite o Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TOqn2W8n44NxGEumRAN5Nc515bln2aDsZ87i30oZZNYOjRFV6-HY9h2DeBzz_x-F9WeX9s8ZxxnJilBYUCi2tJcZuKLqHfW8HfdBMqCIE6OoBIkd81qyl8EQtGdl55611KQqicI9ij_OOKfrnvLYewg9hmq-s-Ds3dq__BLyTNxRFW00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">ator cliente\r\n\r\nret\u00e2ngulo \"Plataforma de Com\u00e9rcio Eletr\u00f4nico\" {\r\n    (Navegar no Cat\u00e1logo)\r\n    (Adicionar ao Carrinho)\r\n}\r\n\r\ncliente --&gt; (Navegar no Cat\u00e1logo)\r\ncliente --&gt; (Adicionar ao Carrinho)<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TOqn2W8n44NxGEumRAN5Nc515bln2aDsZ87i30oZZNYOjRFV6-HY9h2DeBzz_x-F9WeX9s8ZxxnJilBYUCi2tJcZuKLqHfW8HfdBMqCIE6OoBIkd81qyl8EQtGdl55611KQqicI9ij_OOKfrnvLYewg9hmq-s-Ds3dq__BLyTNxRFW00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzII2ujBidFJItYvUBbAafDBadCIyz9LL1orNNEpmKA9wSg1EGabgJb5-KgALJpSYa0WOPJKNvvSQg2Ss99Oav-kYPKr34bHQ4a7oXQL08KgWKP23DSGLVN3eisL6ba_G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edite o Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"PUZVCuv\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-500\" decoding=\"async\" height=\"187\" loading=\"lazy\" sizes=\"auto, (max-width: 331px) 100vw, 331px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca1e45c92.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca1e45c92.png 331w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca1e45c92-300x169.png 300w\" width=\"331\"\/><\/p>\n<h2>Melhores Pr\u00e1ticas para Layouts Limpos<\/h2>\n<ul>\n<li><strong>Mantenha o Texto Breve:<\/strong>Os casos de uso devem sempre come\u00e7ar com um verbo claro e ativo (por exemplo, <em>\u201cGerar Relat\u00f3rio\u201d<\/em>, <em>\u201cAtualizar Perfil\u201d<\/em>) em vez de uma frase longa.<\/li>\n<li><strong>Aproveite \u00c2ncoras Direcionais:<\/strong> Se seus atores e casos de uso se agrupam em uma pilha desordenada, use setas de dire\u00e7\u00e3o espacial como <code>-direita-&gt;<\/code> ou <code>-baixo-&gt;<\/code> para empurrar suavemente o motor de layout para uma estrutura limpa e leg\u00edvel.<\/li>\n<li><strong>Isolamento de Fronteiras do Sistema:<\/strong> Sempre use um ret\u00e2ngulo de fronteira ao documentar aplicativos que interagem com m\u00faltiplos microservi\u00e7os de terceiros. Isso torna imediatamente claro quem det\u00e9m cada processo.<\/li>\n<\/ul>\n<h2>Exemplos Pr\u00e1ticos de Diagramas de Casos de Uso do PlantUML<\/h2>\n<p>Copie e cole os seguintes projetos pr\u00e1ticos diretamente na sua \u00e1rea de edi\u00e7\u00e3o em tempo real do VPasCode para ver como eles s\u00e3o renderizados dinamicamente.<\/p>\n<h3>Exemplo 1: Autentica\u00e7\u00e3o de Usu\u00e1rio Central e Gerenciamento de Conta<\/h3>\n<p>Este projeto modela um ecossistema de aplicativo padr\u00e3o contendo um usu\u00e1rio principal, um operador administrativo e uma caixa de fronteira contendo mecanismos centrais de seguran\u00e7a.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:RP71QiCm38Rl1h-3o6NR8MzGHWlTeR13MUW325l918bTP2MbbBtxxB4q7OjFadxfvvEyJOgYuz1RymGDAVHuZQD25AQWg1m3j187wAbLq0Z2tQTQyoS5pqAkz5fZ3JgD0jLRy71A91LWWZ47TwKXDmhh5NP-uF2ZOudASF71qFK4rS5dWj9sb3Yn9ybyCh6Z2cxMG7xF3NS13k7bD_sWb3SuOagNA7wkdiuUbOfBozbtZuhBmCHqWJlGU-pIhEqfu_9KHdVEnJ5eaRuAPDa6wlhr4M2f_QDOf7KKQzP1O5FNysLMSHuRjXHy_iPl\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edite o Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XPB1IWGn38Rl0_CEOIxgOTv0P1T7mTkoYmyGR7OCT5jDsm4L7qOzp8FqnKnX1cTPM7jA__n9luIkGaI9wM3hwW8wshCZGF32v2BcCVzuC1uillaKmI1GU4qa6hoWe3eD2t74kYh1v3_ZgYkCNg1v32b_2NkuPuUsWIT_y90cSJQjpO4TXoXez6e8TjGdGPT7d2gmE4fNePY_NP-iXsP7Cd0UVQdOY1zegdumEXCRDDJ0Hrs1diixfztbQhfjoPGDiEXBxXbdUHqJMdv7WKv9Gbd8XcJFzgzkuA3fBVK5jrYMiBEjeu2H1pNUUjrkKFspmCzpGzlUB92EvLEsu_mvoBhw5n6kstPUvodeChiYP_I__080\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\n' Define a orienta\u00e7\u00e3o do layout da esquerda para a direita\r\ndire\u00e7\u00e3o da esquerda para a direita\r\n\r\nator \"Usu\u00e1rio Final\" como usu\u00e1rio\r\nator \"Administrador de Seguran\u00e7a\" como admin\r\n\r\nret\u00e2ngulo \"Servi\u00e7o de Provedor de Identidade\" {\r\n    (Entrar)\r\n    (Redefinir Senha)\r\n    (Atualizar Dados do Perfil)\r\n    (Revisar Registros de Seguran\u00e7a)\r\n    (Desativar Contas)\r\n}\r\n\r\nusu\u00e1rio --&gt; (Entrar)\r\nusu\u00e1rio --&gt; (Redefinir Senha)\r\nusu\u00e1rio --&gt; (Atualizar Dados do Perfil)\r\n\r\n(Revisar Registros de Seguran\u00e7a) &lt;-- admin\r\n(Desativar Contas) &lt;-- admin\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XPB1IWGn38Rl0_CEOIxgOTv0P1T7mTkoYmyGR7OCT5jDsm4L7qOzp8FqnKnX1cTPM7jA__n9luIkGaI9wM3hwW8wshCZGF32v2BcCVzuC1uillaKmI1GU4qa6hoWe3eD2t74kYh1v3_ZgYkCNg1v32b_2NkuPuUsWIT_y90cSJQjpO4TXoXez6e8TjGdGPT7d2gmE4fNePY_NP-iXsP7Cd0UVQdOY1zegdumEXCRDDJ0Hrs1diixfztbQhfjoPGDiEXBxXbdUHqJMdv7WKv9Gbd8XcJFzgzkuA3fBVK5jrYMiBEjeu2H1pNUUjrkKFspmCzpGzlUB92EvLEsu_mvoBhw5n6kstPUvodeChiYP_I__080\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:RP71QiCm38Rl1h-3o6NR8MzGHWlTeR13MUW325l918bTP2MbbBtxxB4q7OjFadxfvvEyJOgYuz1RymGDAVHuZQD25AQWg1m3j187wAbLq0Z2tQTQyoS5pqAkz5fZ3JgD0jLRy71A91LWWZ47TwKXDmhh5NP-uF2ZOudASF71qFK4rS5dWj9sb3Yn9ybyCh6Z2cxMG7xF3NS13k7bD_sWb3SuOagNA7wkdiuUbOfBozbtZuhBmCHqWJlGU-pIhEqfu_9KHdVEnJ5eaRuAPDa6wlhr4M2f_QDOf7KKQzP1O5FNysLMSHuRjXHy_iPl\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edite o Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"CoqXVKU\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-501\" decoding=\"async\" height=\"373\" loading=\"lazy\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca344fffe.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca344fffe.png 470w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca344fffe-300x238.png 300w\" width=\"470\"\/><\/p>\n<p><strong>An\u00e1lise de Sintaxe:<\/strong> A diretriz <code>dire\u00e7\u00e3o da esquerda para a direita<\/code> for\u00e7a o motor de layout a posicionar os atores nas asas externas e expandir os casos de uso horizontalmente em vez de verticalmente. Observe como colocar as declara\u00e7\u00f5es de ator limpa e fora do <code>ret\u00e2ngulo<\/code>envolt\u00f3rio mant\u00e9m-os organizados, enquanto inverte a dire\u00e7\u00e3o do colchete da seta para o usu\u00e1rio administrador (<code>&lt;-- administrador<\/code>) os fixa limpa e claramente no lado direito da matriz do diagrama.<\/p>\n<h3>Exemplo 2: Checkout Avan\u00e7ado de Com\u00e9rcio Eletr\u00f4nico com Depend\u00eancias Externas<\/h3>\n<p>Este layout de sistema do mundo real mapeia um fluxo de trabalho de checkout complexo que depende de APIs banc\u00e1rias externas, inclus\u00f5es estruturais e bandeiras de extens\u00e3o opcionais.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TL91JiCm4Bn7oXzMkG27z06eYbfLfUgfbIB4sIIRniAnBNiD1CJVyIPDHGhaaDZhsPdPSLQUXAFGgJHHs12G0ITFBK4j7LOaZKwJD14L6GVP9dWo7ReCX8VglBcSFWc7hGaUeIJHD0F8y-g2ACb9Yx0JX6-YFmEun1ei9_H98MG7hQHc6kCG7e9gf58TQeAozuHT1fzf0l6vFIfH8HnSZUxkN5fRgthOc62DdcexrEYYAEprgv4LJlMZh5xWAE9h7sdzL7wqDOFBLbehzOd7eS2dN-pp1hRlX4uB1LB7XHXIyfoS7-p1imcw5awYJvCf9SZpujhlR3i0nZJW7h9reDOu-S7pwzfde_9ULohK24BNWuluYIsXek1OR4wuM1H_Z1x9bqivyXH5x9a5DZRDQ1YFWnR3sSNF6x62sa7vAafOvlbq-_y5EiFyDZe64ayvZsqdf8ekRH-ZM4KpyPVz1W00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VLDBJkD04DrRyXrAtW0Bvm0eYeYY126DD4WvGM4NGw7-UFh39sWECx10h14dyCMckXq7UP3mgglglQfNhzjdFg0BKQkoQDbH_zg_M6WHoF-EvEJGeKD0I4KEM1PbWS4wg5QAoGIgeB7QGZD4Ot4JJSFMz7yTIpSBIwTnrx_fFLfcNb-Fs7CCT8-Fi0sEEpeWKf2cEGhzi_aLbOLgopwG5Z44gwWxnrg6Pha_x2t2JwFOI8UdiW3vZZUu8mUNr79hJ_QvPQUuGIVypkenUKvEKXiCqU6OsvAYj8CK2DRw2fMSBW8PVsWL8YhUINeRXEgJhBMvupJhJv9-11VYYKCnzOCyq8C41dtQ4Am7nPg3vCKVFonM5diVeQuNN_HFummPR89Jg9PHpCnYnFlM-ceGi1P4J6jbTMmQ5NswOSfgJ3f_QJoRBVwpH0RCvvdCRh4GmjJ5WJ5jaXXvH4kPaiIiKBEviLbAytb_qkyRis5Ur-E3-SRo2MmgVZ1AAicdX4x2-_UEvN7B0rpN6bc9NsSYLdw4Vm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\ndire\u00e7\u00e3o da esquerda para a direita\r\n\r\nator \"Cliente\" como cliente\r\nator \"Funcion\u00e1rio do Armaz\u00e9m\" como staff\r\nator \"Gateway Stripe\" como stripe\r\n\r\nret\u00e2ngulo \"Sistema de Cumprimento da Loja Online\" {\r\n    (Fazer Pedido)\r\n    (Aplicar Cupom)\r\n    (Gerar Fatura)\r\n    (Selecionar e Embalar Itens)\r\n    (Atualizar Status de Envio)\r\n}\r\n\r\n' Intera\u00e7\u00f5es externas com os limites do sistema\r\ncliente --&gt; (Fazer Pedido)\r\n(Fazer Pedido) --&gt; stripe : \"Autorizar Fundos\"\r\n\r\n' Estruturas de inclus\u00e3o e extens\u00e3o\r\n(Fazer Pedido) ..&gt; (Gerar Fatura) : &lt;&lt;incluir&gt;&gt;\r\n(Aplicar Cupom) ..&gt; (Fazer Pedido) : &lt;&lt;extender&gt;&gt;\r\n\r\n' Caminhos de cumprimento\r\n(Selecionar e Embalar Itens) &lt;-- staff\r\n(Atualizar Status de Envio) &lt;-- staff\r\n(Gerar Fatura) --&gt; staff : \"Enviar C\u00f3pia por E-mail\"\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VLDBJkD04DrRyXrAtW0Bvm0eYeYY126DD4WvGM4NGw7-UFh39sWECx10h14dyCMckXq7UP3mgglglQfNhzjdFg0BKQkoQDbH_zg_M6WHoF-EvEJGeKD0I4KEM1PbWS4wg5QAoGIgeB7QGZD4Ot4JJSFMz7yTIpSBIwTnrx_fFLfcNb-Fs7CCT8-Fi0sEEpeWKf2cEGhzi_aLbOLgopwG5Z44gwWxnrg6Pha_x2t2JwFOI8UdiW3vZZUu8mUNr79hJ_QvPQUuGIVypkenUKvEKXiCqU6OsvAYj8CK2DRw2fMSBW8PVsWL8YhUINeRXEgJhBMvupJhJv9-11VYYKCnzOCyq8C41dtQ4Am7nPg3vCKVFonM5diVeQuNN_HFummPR89Jg9PHpCnYnFlM-ceGi1P4J6jbTMmQ5NswOSfgJ3f_QJoRBVwpH0RCvvdCRh4GmjJ5WJ5jaXXvH4kPaiIiKBEviLbAytb_qkyRis5Ur-E3-SRo2MmgVZ1AAicdX4x2-_UEvN7B0rpN6bc9NsSYLdw4Vm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TL91JiCm4Bn7oXzMkG27z06eYbfLfUgfbIB4sIIRniAnBNiD1CJVyIPDHGhaaDZhsPdPSLQUXAFGgJHHs12G0ITFBK4j7LOaZKwJD14L6GVP9dWo7ReCX8VglBcSFWc7hGaUeIJHD0F8y-g2ACb9Yx0JX6-YFmEun1ei9_H98MG7hQHc6kCG7e9gf58TQeAozuHT1fzf0l6vFIfH8HnSZUxkN5fRgthOc62DdcexrEYYAEprgv4LJlMZh5xWAE9h7sdzL7wqDOFBLbehzOd7eS2dN-pp1hRlX4uB1LB7XHXIyfoS7-p1imcw5awYJvCf9SZpujhlR3i0nZJW7h9reDOu-S7pwzfde_9ULohK24BNWuluYIsXek1OR4wuM1H_Z1x9bqivyXH5x9a5DZRDQ1YFWnR3sSNF6x62sa7vAafOvlbq-_y5EiFyDZe64ayvZsqdf8ekRH-ZM4KpyPVz1W00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Plantuml no VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"rBcfQtr\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-502\" decoding=\"async\" height=\"533\" loading=\"lazy\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca5576f86.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca5576f86.png 980w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca5576f86-300x163.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a17ca5576f86-768x418.png 768w\" width=\"980\"\/><\/p>\n<p><strong>An\u00e1lise de Sintaxe:<\/strong> Este modelo destaca como um \u00fanico caso de uso (<code>Fazer Pedido<\/code>) exige uma invoca\u00e7\u00e3o de (<code>Gerar Fatura<\/code>) usando o <code>&lt;&lt;incluir&gt;&gt;<\/code>tag sobre uma linha pontilhada. Enquanto isso, aplicar um c\u00f3digo de cupom \u00e9 corretamente modelado como uma ramifica\u00e7\u00e3o opcional por meio de <code>&lt;&lt;extender&gt;&gt;<\/code>apontando para tr\u00e1s em dire\u00e7\u00e3o \u00e0 execu\u00e7\u00e3o base. Todos os atores externos permanecem claramente isolados fora do envelope do sistema.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O que \u00e9 um Diagrama de Caso de Uso? Um Diagrama de Caso de Uso\u00e9 um plano comportamental usado para visualizar as rela\u00e7\u00f5es entre os usu\u00e1rios de um sistema (conhecidos como atores) e as a\u00e7\u00f5es ou objetivos espec\u00edficos que eles&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":1,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"ld_collection":[14],"class_list":["post-2128","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PlantUML Use Case Diagram Syntax | VPasCode Diagram Guide<\/title>\n<meta name=\"description\" content=\"Learn how to script PlantUML use case diagrams in VPasCode, your free diagram-as-code tool. 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