{"id":15618,"date":"2024-02-27T09:49:21","date_gmt":"2024-02-27T12:49:21","guid":{"rendered":"https:\/\/categoriaoutros.com.br\/?p=15618"},"modified":"2024-02-27T11:01:55","modified_gmt":"2024-02-27T14:01:55","slug":"criando-grafico-de-pizza-e-rosca-com-chart-js-para-seu-site","status":"publish","type":"post","link":"https:\/\/categoriaoutros.com.br\/?p=15618","title":{"rendered":"Criando Gr\u00e1fico de Pizza e Rosca com Chart.JS para seu Site"},"content":{"rendered":"\n<p>No <a href=\"https:\/\/categoriaoutros.com.br\/?p=15585\">post anterior<\/a>, vimos, com detalhes, como criar um gr\u00e1fico de barras; hoje iremos ver como criar um gr\u00e1fico de pizza e rosca.<\/p>\n\n\n\n<p><strong>Obs.:<\/strong><em> veja o c\u00f3digo completo ao final do post.<\/em><\/p>\n\n\n\n<p>O primeiro passo \u00e9 colocarmos os links CDNs entre as tags <strong>&lt;head>  e &lt;\/head><\/strong> do nosso HTML.<\/p>\n\n\n\n<pre><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chart.js&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-datalabels&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-annotation&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font><\/pre>\n\n\n\n<p>Apenas o primeiro link seria suficiente, mas poder\u00e1 ter op\u00e7\u00f5es extras que fornecidas por esses outros dois pacotes que s\u00e3o interessantes de usarmos.<\/p>\n\n\n\n<p>Entre as tags <strong>&lt;body> e &lt;\/body><\/strong>, crie a seguinte div com canvas dentro:<\/p>\n\n\n\n<pre><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">id<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;meuGrafico&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Criando gr\u00e1fico de pizza<\/h2>\n\n\n\n<p>Abaixo da div, ainda dentro de &lt;body>, digite as linhas abaixo. <\/p>\n\n\n\n<pre><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">const<\/font><font color=\"#CD00CD\"> ctx = <\/font><font color=\"#AF5F00\">document<\/font><font color=\"#CD00CD\">.getElementById<\/font>(<font color=\"#CD0000\">&apos;meuGrafico&apos;<\/font>)<font color=\"#CD00CD\">;<\/font>\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">new<\/font><font color=\"#CD00CD\"> Chart<\/font>(<font color=\"#CD00CD\">ctx, <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">    type: <\/font><font color=\"#CD0000\">&apos;pie&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    data: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      labels: <\/font><font color=\"#00CDCD\">[<\/font><font color=\"#CD0000\">&apos;Vermelho&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Azul&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Amarelo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Verde&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Roxo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Laranja&apos;<\/font><font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">      datasets: <\/font><font color=\"#00CDCD\">[{<\/font>\n<font color=\"#CD00CD\">        label: <\/font><font color=\"#CD0000\">&apos;# Cores&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        data: <\/font><font color=\"#00CDCD\">[<\/font>12<font color=\"#CD00CD\">, <\/font>19<font color=\"#CD00CD\">, <\/font>3<font color=\"#CD00CD\">, <\/font>5<font color=\"#CD00CD\">, <\/font>2<font color=\"#CD00CD\">, <\/font>3<font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        borderWidth: <\/font>1\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}]<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    options: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      scales: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">        y: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">          beginAtZero: <\/font><font color=\"#CD0000\">true<\/font>\n<font color=\"#CD00CD\">        <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#00CDCD\">}<\/font>)<font color=\"#CD00CD\">;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<\/pre>\n\n\n\n<p>Veja o resultado,<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/i.pinimg.com\/736x\/dc\/60\/0e\/dc600e4f760c46313df33b4621ed6766.jpg\" alt=\"Criando gr\u00e1fico de pizza\"\/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">Criando gr\u00e1fico de rosca<\/h2>\n\n\n\n<p>Para criar o gr\u00e1fico de rosca, siga os mesmos passos acima, mas troque <strong>type: &#8216;pie&#8217;, <\/strong>por <strong>type: &#8216;doughnut&#8217;,<\/strong><\/p>\n\n\n\n<pre><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">const<\/font><font color=\"#CD00CD\"> ctx = <\/font><font color=\"#AF5F00\">document<\/font><font color=\"#CD00CD\">.getElementById<\/font>(<font color=\"#CD0000\">&apos;meuGrafico&apos;<\/font>)<font color=\"#CD00CD\">;<\/font>\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">new<\/font><font color=\"#CD00CD\"> Chart<\/font>(<font color=\"#CD00CD\">ctx, <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">    type: <\/font><font color=\"#CD0000\">&apos;doughnut&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    data: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      labels: <\/font><font color=\"#00CDCD\">[<\/font><font color=\"#CD0000\">&apos;Vermelho&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Azul&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Amarelo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Verde&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Roxo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Laranja&apos;<\/font><font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">      datasets: <\/font><font color=\"#00CDCD\">[{<\/font>\n<font color=\"#CD00CD\">        label: <\/font><font color=\"#CD0000\">&apos;# Cores&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        data: <\/font><font color=\"#00CDCD\">[<\/font>12<font color=\"#CD00CD\">, <\/font>19<font color=\"#CD00CD\">, <\/font>3<font color=\"#CD00CD\">, <\/font>5<font color=\"#CD00CD\">, <\/font>2<font color=\"#CD00CD\">, <\/font>3<font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        borderWidth: <\/font>1\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}]<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    options: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      scales: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">        y: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">          beginAtZero: <\/font><font color=\"#CD0000\">true<\/font>\n<font color=\"#CD00CD\">        <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#00CDCD\">}<\/font>)<font color=\"#CD00CD\">;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<\/pre>\n\n\n\n<p>O resultado,<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/i.pinimg.com\/736x\/29\/38\/db\/2938db711d3ebd16939cd76d9d95be61.jpg\" alt=\"Criando gr\u00e1fico de rosca\"\/><figcaption class=\"wp-element-caption\">Criando gr\u00e1fico de rosca<\/figcaption><\/figure><\/div>\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>Logicamente que os dados <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">data: [12, 19, 3, 5, 2, 3],<\/mark><\/strong> e em<strong> <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">labels: [&#8216;Vermelho&#8217;, &#8216;Azul&#8217;, &#8216;Amarelo&#8217;, &#8216;Verde&#8217;, &#8216;Roxo&#8217;, &#8216;Laranja&#8217;],<\/mark><\/strong> ser\u00e3o trazidos de um banco de dados.<\/p><\/blockquote><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f3digo Completo<\/h2>\n\n\n\n<pre><font color=\"#0000EE\">&lt;!DOCTYPE html&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">html<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">lang<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;en&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">head<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">meta<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">charset<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;UTF-8&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">meta<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">name<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;viewport&quot;<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">content<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;width=device-width, initial-scale=1.0&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">title<\/font><font color=\"#00CDCD\">&gt;<\/font><font color=\"#CD00CD\">Inserir Texto<\/font><font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">title<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chart.js&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-datalabels&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-annotation&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">head<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">body<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">id<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;meuGrafico&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">const<\/font><font color=\"#CD00CD\"> ctx = <\/font><font color=\"#AF5F00\">document<\/font><font color=\"#CD00CD\">.getElementById<\/font>(<font color=\"#CD0000\">&apos;meuGrafico&apos;<\/font>)<font color=\"#CD00CD\">;<\/font>\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">new<\/font><font color=\"#CD00CD\"> Chart<\/font>(<font color=\"#CD00CD\">ctx, <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">    type: <\/font><font color=\"#CD0000\">&apos;doughnut&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    data: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      labels: <\/font><font color=\"#00CDCD\">[<\/font><font color=\"#CD0000\">&apos;Vermelho&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Azul&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Amarelo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Verde&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Roxo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Laranja&apos;<\/font><font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">      datasets: <\/font><font color=\"#00CDCD\">[{<\/font>\n<font color=\"#CD00CD\">        label: <\/font><font color=\"#CD0000\">&apos;# Cores&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        data: <\/font><font color=\"#00CDCD\">[<\/font>12<font color=\"#CD00CD\">, <\/font>19<font color=\"#CD00CD\">, <\/font>3<font color=\"#CD00CD\">, <\/font>5<font color=\"#CD00CD\">, <\/font>2<font color=\"#CD00CD\">, <\/font>3<font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        borderWidth: <\/font>1\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}]<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    options: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      scales: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">        y: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">          beginAtZero: <\/font><font color=\"#CD0000\">true<\/font>\n<font color=\"#CD00CD\">        <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#00CDCD\">}<\/font>)<font color=\"#CD00CD\">;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Inserindo t\u00edtulo no gr\u00e1fico<\/h2>\n\n\n\n<p>Podemos ver que n\u00e3o h\u00e1 t\u00edtulo no gr\u00e1fico que criamos. Podemos inserir usando o atributo <strong>title<\/strong>:<\/p>\n\n\n\n<pre><font color=\"#CD00CD\"> options: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">        plugins: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">           title: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                display: <\/font><font color=\"#CD0000\">true<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                text: <\/font><font color=\"#CD0000\">&apos;Cores Vota\u00e7\u00e3o&apos;<\/font><font color=\"#CD00CD\">,  <\/font>\n<font color=\"#CD00CD\">                color: <\/font><font color=\"#CD0000\">&apos;blue&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                font: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                    weight: <\/font><font color=\"#CD0000\">&apos;bold&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                    size: <\/font>20<font color=\"#CD00CD\">                <\/font>\n<font color=\"#CD00CD\">                <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">           <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">       <\/font>\n\n<font color=\"#CD00CD\"> <\/font><font color=\"#00CDCD\">}<\/font><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Inserindo R\u00f3tulos no gr\u00e1fico<\/h2>\n\n\n\n<p>Para fazer valores aparecerem nas partes da pizza ou da roscam devemos, antes de tudo, usar as linhas abaixo logo ap\u00f3s  <strong>const ctx = document.getElementById(&#8216;meuGrafico&#8217;);<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> \/\/Registre manualmente o plugin chartjs datalabels\n  Chart.register(ChartDataLabels);<\/code><\/pre>\n\n\n\n<p>e ent\u00e3o, usar dentro de plugins o trecho a seguir:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>datalabels: {\n               \/\/ Posi\u00e7\u00e3o dos r\u00f3tulos \n               \/\/ (in\u00edcio, fim, centro, etc.)\n               anchor: 'end',\n               \/\/ Alinhamento dos r\u00f3tulos \n               \/\/ (in\u00edcio, fim, centro, etc.)\n               align: 'end',\n               \/\/ cores dos r\u00f3tulos\n               color: 'blue',\n               font: {\n                     weight: 'bold',\n                     },\n               formatter: function (value, context) {\n                       \/\/ Mostre o valor atual dos dados\n                       return value;\n              }\n           }\n<\/code><\/pre>\n\n\n\n<p>Veja c\u00f3digo completo:<\/p>\n\n\n\n<pre><font color=\"#0000EE\">&lt;!DOCTYPE html&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">html<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">lang<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;en&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">head<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">meta<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">charset<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;UTF-8&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">meta<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">name<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;viewport&quot;<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">content<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;width=device-width, initial-scale=1.0&quot;<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">title<\/font><font color=\"#00CDCD\">&gt;<\/font><font color=\"#CD00CD\">Inserir Texto<\/font><font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">title<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chart.js&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-datalabels&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">src<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-annotation&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">head<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">body<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\"> <\/font><font color=\"#00CD00\">id<\/font><font color=\"#00CDCD\">=<\/font><font color=\"#CD0000\">&quot;meuGrafico&quot;<\/font><font color=\"#00CDCD\">&gt;&lt;\/<\/font><font color=\"#AF5F00\">canvas<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">div<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n\n<font color=\"#00CDCD\">&lt;<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">const<\/font><font color=\"#CD00CD\"> ctx = <\/font><font color=\"#AF5F00\">document<\/font><font color=\"#CD00CD\">.getElementById<\/font>(<font color=\"#CD0000\">&apos;meuGrafico&apos;<\/font>)<font color=\"#CD00CD\">;<\/font>\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#0000EE\">\/\/Registre manualmente o plugin chartjs datalabels<\/font>\n<font color=\"#CD00CD\">  Chart.register<\/font>(<font color=\"#CD00CD\">ChartDataLabels<\/font>)<font color=\"#CD00CD\">;<\/font>\n\n\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#AF5F00\">new<\/font><font color=\"#CD00CD\"> Chart<\/font>(<font color=\"#CD00CD\">ctx, <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">    type: <\/font><font color=\"#CD0000\">&apos;pie&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    data: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">      labels: <\/font><font color=\"#00CDCD\">[<\/font><font color=\"#CD0000\">&apos;Vermelho&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Azul&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Amarelo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Verde&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Roxo&apos;<\/font><font color=\"#CD00CD\">, <\/font><font color=\"#CD0000\">&apos;Laranja&apos;<\/font><font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">      datasets: <\/font><font color=\"#00CDCD\">[{<\/font>\n<font color=\"#CD00CD\">        label: <\/font><font color=\"#CD0000\">&apos;# Cores&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        data: <\/font><font color=\"#00CDCD\">[<\/font>12<font color=\"#CD00CD\">, <\/font>19<font color=\"#CD00CD\">, <\/font>3<font color=\"#CD00CD\">, <\/font>5<font color=\"#CD00CD\">, <\/font>2<font color=\"#CD00CD\">, <\/font>3<font color=\"#00CDCD\">]<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        borderWidth: <\/font>1\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}]<\/font>\n<font color=\"#CD00CD\">    <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">    options: <\/font><font color=\"#00CDCD\">{<\/font>\n\n<font color=\"#CD00CD\">        plugins: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">           title: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                display: <\/font><font color=\"#CD0000\">true<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                text: <\/font><font color=\"#CD0000\">&apos;Cores Vota\u00e7\u00e3o&apos;<\/font><font color=\"#CD00CD\">,  <\/font>\n<font color=\"#CD00CD\">                color: <\/font><font color=\"#CD0000\">&apos;blue&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                font: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                    weight: <\/font><font color=\"#CD0000\">&apos;bold&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                    size: <\/font>20<font color=\"#CD00CD\">                <\/font>\n<font color=\"#CD00CD\">                <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">           <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">        <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,     <\/font>\n<font color=\"#CD00CD\">    <\/font>\n\n<font color=\"#CD00CD\">        datalabels: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">               <\/font><font color=\"#0000EE\">\/\/ Posi\u00e7\u00e3o dos r\u00f3tulos <\/font>\n<font color=\"#CD00CD\">               <\/font><font color=\"#0000EE\">\/\/ (in\u00edcio, fim, centro, etc.)<\/font>\n<font color=\"#CD00CD\">               anchor: <\/font><font color=\"#CD0000\">&apos;end&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">               <\/font><font color=\"#0000EE\">\/\/ Alinhamento dos r\u00f3tulos <\/font>\n<font color=\"#CD00CD\">               <\/font><font color=\"#0000EE\">\/\/ (in\u00edcio, fim, centro, etc.)<\/font>\n<font color=\"#CD00CD\">               align: <\/font><font color=\"#CD0000\">&apos;end&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">               <\/font><font color=\"#0000EE\">\/\/ cores dos r\u00f3tulos<\/font>\n<font color=\"#CD00CD\">               color: <\/font><font color=\"#CD0000\">&apos;blue&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">               font: <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                     weight: <\/font><font color=\"#CD0000\">&apos;bold&apos;<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">                     <\/font><font color=\"#00CDCD\">}<\/font><font color=\"#CD00CD\">,<\/font>\n<font color=\"#CD00CD\">               formatter: <\/font><font color=\"#00CDCD\">function<\/font><font color=\"#CD00CD\"> <\/font>(<font color=\"#CD00CD\">value, context<\/font>)<font color=\"#CD00CD\"> <\/font><font color=\"#00CDCD\">{<\/font>\n<font color=\"#CD00CD\">                       <\/font><font color=\"#0000EE\">\/\/ Mostre o valor atual dos dados<\/font>\n<font color=\"#CD00CD\">                       <\/font><font color=\"#AF5F00\">return<\/font><font color=\"#CD00CD\"> value;<\/font>\n<font color=\"#CD00CD\">              <\/font><font color=\"#00CDCD\">}<\/font>\n<font color=\"#CD00CD\">           <\/font><font color=\"#00CDCD\">}<\/font>\n\n\n\n\n\n\n\n\n<font color=\"#CD00CD\">      <\/font><font color=\"#00CDCD\">}<\/font>\n\n<font color=\"#CD00CD\">  <\/font><font color=\"#00CDCD\">}<\/font>)<font color=\"#CD00CD\">;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">script<\/font><font color=\"#00CDCD\">&gt;<\/font>\n\n\n\n\n\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">body<\/font><font color=\"#00CDCD\">&gt;<\/font>\n<font color=\"#00CDCD\">&lt;\/<\/font><font color=\"#AF5F00\">html<\/font><font color=\"#00CDCD\">&gt;<\/font><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>No post anterior, vimos, com detalhes, como criar um gr\u00e1fico de barras; hoje iremos ver como criar um gr\u00e1fico de pizza e rosca. Obs.: veja o c\u00f3digo completo ao final do post. O primeiro passo \u00e9 colocarmos os links CDNs entre as tags &lt;head> e &lt;\/head> do nosso HTML. &lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/chart.js&quot;&gt;&lt;\/script&gt; &lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-datalabels&quot;&gt;&lt;\/script&gt; &lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-annotation&quot;&gt;&lt;\/script&gt;&#8230;<\/p>\n<p class=\"more-link-wrap\"><a href=\"https:\/\/categoriaoutros.com.br\/?p=15618\" class=\"more-link\">Read More<span class=\"screen-reader-text\"> &ldquo;Criando Gr\u00e1fico de Pizza e Rosca com Chart.JS para seu Site&rdquo;<\/span> &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4477],"tags":[4808,4807],"class_list":["post-15618","post","type-post","status-publish","format-standard","hentry","category-programacao-desenvolvimento","tag-chart-js","tag-grafico"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Criando Gr\u00e1fico de Pizza e Rosca com Chart.JS para seu Site - Categoria Outros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/categoriaoutros.com.br\/?p=15618\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Criando Gr\u00e1fico de Pizza e Rosca com Chart.JS para seu Site - Categoria Outros\" \/>\n<meta property=\"og:description\" content=\"No post anterior, vimos, com detalhes, como criar um gr\u00e1fico de barras; hoje iremos ver como criar um gr\u00e1fico de pizza e rosca. Obs.: veja o c\u00f3digo completo ao final do post. 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