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    <title>chart exporting on Conholdate Blog</title>
    <link>https://blog-qa.conholdate.com/fr/tag/chart-exporting/</link>
    <description>Recent content in chart exporting on Conholdate Blog</description>
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    <lastBuildDate>Mon, 14 Sep 2026 17:15:39 +0000</lastBuildDate><atom:link href="https://blog-qa.conholdate.com/fr/tag/chart-exporting/index.xml" rel="self" type="application/rss+xml" />
    <item>
      <title>Créer un diagramme de Gantt en Java</title>
      <link>https://blog-qa.conholdate.com/fr/total/create-gantt-chart-in-java/</link>
      <pubDate>Mon, 14 Sep 2026 17:15:39 +0000</pubDate>
      
      <guid>https://blog-qa.conholdate.com/fr/total/create-gantt-chart-in-java/</guid>
      <description>Apprenez à créer un diagramme de Gantt en Java en utilisant Conholdate.Total for Java. Ce guide étape par étape couvre la configuration, la personnalisation du diagramme et l&amp;#39;exportation au format PDF.</description>
      <content:encoded><![CDATA[<p>Visualiser les chronologies de projet aide les équipes à rester alignées et à respecter les délais. <a href="https://products.conholdate.com/total/java/">Conholdate.Total for Java</a> fournit un SDK robuste qui facilite la création d&rsquo;un diagramme de Gantt en Java avec seulement quelques lignes de code. Dans ce guide, vous verrez comment configurer la bibliothèque, définir les tâches, personnaliser l&rsquo;apparence et exporter le diagramme en PDF.</p>
<h2 id="configuration-de-conholdatetotal-pour-java">Configuration de Conholdate.Total pour Java</h2>
<p>Avant de commencer à coder, assurez‑vous d&rsquo;avoir Java 17 ou une version ultérieure ainsi qu&rsquo;un IDE compatible Maven. Ajoutez le référentiel Maven de Conholdate et la dépendance SDK à votre <code>pom.xml</code> :</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-xml" data-lang="xml"><span style="display:flex;"><span><span style="color:#f92672">&lt;repositories&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;repository&gt;</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">&lt;id&gt;</span>conholdate-repo<span style="color:#f92672">&lt;/id&gt;</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">&lt;name&gt;</span>Conholdate Maven Repository<span style="color:#f92672">&lt;/name&gt;</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">&lt;url&gt;</span>https://repository.conholdate.com/repo/<span style="color:#f92672">&lt;/url&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;/repository&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;/repositories&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;dependency&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;groupId&gt;</span>com.conholdate<span style="color:#f92672">&lt;/groupId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;artifactId&gt;</span>conholdate-total<span style="color:#f92672">&lt;/artifactId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;version&gt;</span>24.9<span style="color:#f92672">&lt;/version&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;type&gt;</span>pom<span style="color:#f92672">&lt;/type&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;/dependency&gt;</span>
</span></span></code></pre></div><p>Vous pouvez également télécharger les derniers JAR directement depuis la <a href="https://releases.conholdate.com/total/java/">page de téléchargement</a>. Une fois le SDK ajouté à votre classpath, vous êtes prêt à commencer à créer le graphique.</p>
<h2 id="construction-étape-par-étape--créer-un-diagramme-de-gantt-en-java">Construction étape par étape : créer un diagramme de Gantt en Java</h2>
<h3 id="étape-1-configurer-les-options-du-graphique">Étape 1 : Configurer les options du graphique</h3>
<p>Tout d&rsquo;abord, créez une instance de <code>GanttChartOptions</code> et définissez les propriétés visuelles dont vous avez besoin. Cet objet contrôle le titre, l&rsquo;échelle de la chronologie, les couleurs des barres, et plus encore.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>GanttChartOptions options <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> GanttChartOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setTitle</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Project Development Schedule&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setScale</span><span style="color:#f92672">(</span>GanttScale<span style="color:#f92672">.</span><span style="color:#a6e22e">DAYS</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarColor</span><span style="color:#f92672">(</span>GanttBarColor<span style="color:#f92672">.</span><span style="color:#a6e22e">BLUE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarPattern</span><span style="color:#f92672">(</span>GanttBarPattern<span style="color:#f92672">.</span><span style="color:#a6e22e">SOLID</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarStyle</span><span style="color:#f92672">(</span>GanttBarStyle<span style="color:#f92672">.</span><span style="color:#a6e22e">RECTANGLE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>options<span style="color:#f92672">.</span><span style="color:#a6e22e">setEnableCaching</span><span style="color:#f92672">(</span><span style="color:#66d9ef">true</span><span style="color:#f92672">);</span>
</span></span></code></pre></div><p>Pour des descriptions détaillées des propriétés, consultez l&rsquo;<a href="https://reference.conholdate.com/java/">GanttChartOptions API</a>.</p>
<h3 id="étape-2-créez-linstance-ganttchart">Étape 2 : Créez l&rsquo;instance GanttChart</h3>
<p>Passez les options configurées au constructeur <code>GanttChart</code>.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>GanttChart chart <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> GanttChart<span style="color:#f92672">(</span>options<span style="color:#f92672">);</span>
</span></span></code></pre></div><p>L&rsquo;objet graphique contient désormais le moteur de mise en page prêt à recevoir des tâches.</p>
<h3 id="étape-3-ajouter-des-tâches-pour-construire-la-chronologie">Étape 3 : Ajouter des tâches pour construire la chronologie</h3>
<p>Utilisez <code>chart.addTask</code> pour insérer chaque phase du projet. Ajouter des tâches est le cœur de la création d’un diagramme de Gantt en Java, car chaque tâche définit une date de début et de fin.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Requirement Analysis&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 1<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 5<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Design&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 6<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 12<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Implementation&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 13<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 5<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Testing&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 6<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 20<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Deployment&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 21<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 22<span style="color:#f92672">));</span>
</span></span></code></pre></div><p>La méthode d&rsquo;assistance <code>toDate</code> convertit un triplet année/mois/jour en un objet <code>java.util.Date</code>.</p>
<h3 id="étape-4-exporter-le-graphique">Étape 4 : Exporter le graphique</h3>
<p>Enfin, enregistrez le graphique dans un fichier. Le SDK prend en charge <a href="https://docs.fileformat.com/pdf">PDF</a>, <a href="https://docs.fileformat.com/image/png/">PNG</a>, <a href="https://docs.fileformat.com/image/jpeg/">JPEG</a> et d&rsquo;autres formats.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">save</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;output/gantt_chart.pdf&#34;</span><span style="color:#f92672">,</span> SaveFormat<span style="color:#f92672">.</span><span style="color:#a6e22e">PDF</span><span style="color:#f92672">);</span>
</span></span></code></pre></div><p>Vous pouvez changer <code>SaveFormat.PDF</code> en <code>SaveFormat.PNG</code> ou <code>SaveFormat.JPEG</code> si vous avez besoin d’une sortie différente.</p>
<h3 id="étape-5-nettoyer-les-ressources">Étape 5 : Nettoyer les ressources</h3>
<p>Libérez les ressources natives une fois que vous avez terminé.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>chart<span style="color:#f92672">.</span><span style="color:#a6e22e">dispose</span><span style="color:#f92672">();</span>
</span></span></code></pre></div><h2 id="exemple-complet-de-code--exemple-de-diagramme-de-gantt-java">Exemple complet de code : Exemple de diagramme de Gantt Java</h2>
<p>L&rsquo;exemple suivant montre comment créer un diagramme de Gantt en Java du début à la fin.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.GanttChart<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.options.GanttChartOptions<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.enums.GanttScale<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.enums.GanttBarColor<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.enums.GanttBarPattern<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.enums.GanttBarStyle<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.chart.enums.SaveFormat<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> java.time.LocalDate<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> java.time.ZoneId<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> java.util.Date<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">public</span> <span style="color:#66d9ef">class</span> <span style="color:#a6e22e">GanttChartDemo</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    <span style="color:#66d9ef">public</span> <span style="color:#66d9ef">static</span> <span style="color:#66d9ef">void</span> <span style="color:#a6e22e">main</span><span style="color:#f92672">(</span>String<span style="color:#f92672">[]</span> args<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>        <span style="color:#75715e">// Configure chart appearance and timeline scale
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        GanttChartOptions options <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> GanttChartOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setTitle</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Project Development Schedule&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setScale</span><span style="color:#f92672">(</span>GanttScale<span style="color:#f92672">.</span><span style="color:#a6e22e">DAYS</span><span style="color:#f92672">);</span>               <span style="color:#75715e">// timeline scale
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarColor</span><span style="color:#f92672">(</span>GanttBarColor<span style="color:#f92672">.</span><span style="color:#a6e22e">BLUE</span><span style="color:#f92672">);</span>         <span style="color:#75715e">// default bar color
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarPattern</span><span style="color:#f92672">(</span>GanttBarPattern<span style="color:#f92672">.</span><span style="color:#a6e22e">SOLID</span><span style="color:#f92672">);</span>    <span style="color:#75715e">// bar fill pattern
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setBarStyle</span><span style="color:#f92672">(</span>GanttBarStyle<span style="color:#f92672">.</span><span style="color:#a6e22e">RECTANGLE</span><span style="color:#f92672">);</span>    <span style="color:#75715e">// bar shape
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        options<span style="color:#f92672">.</span><span style="color:#a6e22e">setEnableCaching</span><span style="color:#f92672">(</span><span style="color:#66d9ef">true</span><span style="color:#f92672">);</span>                  <span style="color:#75715e">// performance for large charts
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Create the Gantt chart with the defined options
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        GanttChart chart <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> GanttChart<span style="color:#f92672">(</span>options<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Populate chart with tasks (dynamic data source can be used similarly)
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Requirement Analysis&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 1<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 5<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Design&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 6<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 12<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Implementation&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 10<span style="color:#f92672">,</span> 13<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 5<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Testing&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 6<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 20<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">addTask</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Deployment&#34;</span><span style="color:#f92672">,</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 21<span style="color:#f92672">),</span> toDate<span style="color:#f92672">(</span>2023<span style="color:#f92672">,</span> 11<span style="color:#f92672">,</span> 22<span style="color:#f92672">));</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Export the Gantt chart to PDF (other formats like PNG, JPEG are also supported)
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">save</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;output/gantt_chart.pdf&#34;</span><span style="color:#f92672">,</span> SaveFormat<span style="color:#f92672">.</span><span style="color:#a6e22e">PDF</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Release resources
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        chart<span style="color:#f92672">.</span><span style="color:#a6e22e">dispose</span><span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Helper method to convert year/month/day to java.util.Date
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>    <span style="color:#66d9ef">private</span> <span style="color:#66d9ef">static</span> Date <span style="color:#a6e22e">toDate</span><span style="color:#f92672">(</span><span style="color:#66d9ef">int</span> year<span style="color:#f92672">,</span> <span style="color:#66d9ef">int</span> month<span style="color:#f92672">,</span> <span style="color:#66d9ef">int</span> day<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>        <span style="color:#66d9ef">return</span> Date<span style="color:#f92672">.</span><span style="color:#a6e22e">from</span><span style="color:#f92672">(</span>
</span></span><span style="display:flex;"><span>                LocalDate<span style="color:#f92672">.</span><span style="color:#a6e22e">of</span><span style="color:#f92672">(</span>year<span style="color:#f92672">,</span> month<span style="color:#f92672">,</span> day<span style="color:#f92672">)</span>
</span></span><span style="display:flex;"><span>                        <span style="color:#f92672">.</span><span style="color:#a6e22e">atStartOfDay</span><span style="color:#f92672">(</span>ZoneId<span style="color:#f92672">.</span><span style="color:#a6e22e">systemDefault</span><span style="color:#f92672">())</span>
</span></span><span style="display:flex;"><span>                        <span style="color:#f92672">.</span><span style="color:#a6e22e">toInstant</span><span style="color:#f92672">()</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span>
</span></span></code></pre></div><blockquote>
<p><strong>Note:</strong> Cet exemple de code démontre la fonctionnalité principale. Avant de l&rsquo;utiliser dans votre projet, assurez‑vous de mettre à jour tous les chemins de fichiers et les valeurs de configuration pour qu&rsquo;ils correspondent à votre environnement réel, vérifiez que toutes les dépendances requises sont correctement installées, et testez soigneusement dans votre environnement de développement. Si vous rencontrez des problèmes, veuillez consulter la <a href="https://docs.conholdate.com/java/">documentation officielle</a> ou contacter l&rsquo;<a href="https://forum.conholdate.com/c/total/5">équipe de support</a> pour obtenir de l&rsquo;aide.</p>
</blockquote>
<h2 id="conclusion">Conclusion</h2>
<p>Créer un diagramme de Gantt en Java devient simple avec Conholdate.Total for Java. En configurant <code>GanttChartOptions</code>, en ajoutant des tâches et en exportant le résultat, vous pouvez générer des chronologies d’aspect professionnel en quelques secondes. La fonction de mise en cache du SDK et les options flexibles de <code>SaveFormat</code> vous aident à gérer efficacement de grands projets. N&rsquo;oubliez pas qu&rsquo;une licence commerciale est requise pour les déploiements en production ; vous pouvez obtenir une licence temporaire depuis la <a href="https://purchase.conholdate.com/temporary-license/">page de licence temporaire</a> ou consulter les détails des tarifs sur la <a href="https://purchase.conholdate.com/pricing/total/family/">page de tarification</a>. Commencez à intégrer des diagrammes de Gantt dans vos applications dès aujourd&rsquo;hui et tenez vos parties prenantes informées grâce à des plannings visuels clairs.</p>
<h2 id="faqs">FAQs</h2>
<p><strong>Comment créer un diagramme de Gantt en Java avec Conholdate.Total ?</strong><br>
Utilisez les classes <code>GanttChart</code> et <code>GanttChartOptions</code>, ajoutez vos tâches avec <code>addTask</code> et appelez <code>save</code> pour exporter. Le fragment de code complet est fourni dans cet article.</p>
<p><strong>Puis-je exporter le diagramme de Gantt vers des formats autres que PDF ?</strong><br>
Oui. La méthode <code>chart.save</code> accepte <code>SaveFormat.PNG</code>, <code>SaveFormat.JPEG</code> et d&rsquo;autres valeurs définies dans l&rsquo;énumération <code>SaveFormat</code>. Consultez la <a href="https://docs.conholdate.com/java/">documentation officielle</a> pour la liste complète.</p>
<p><strong>Quelle licence est requise pour une utilisation en production ?</strong><br>
Une licence commerciale est obligatoire. Vous pouvez demander une licence temporaire depuis la <a href="https://purchase.conholdate.com/temporary-license/">page de licence temporaire</a> et consulter les tarifs sur la <a href="https://purchase.conholdate.com/pricing/total/family/">page de tarification</a>.</p>
<p><strong>Comment puis‑je améliorer les performances pour les grands diagrammes de Gantt ?</strong><br>
Activez la mise en cache avec <code>options.setEnableCaching(true)</code> et gardez le nombre de tâches raisonnable. Le SDK est optimisé pour les grands ensembles de données, et la mise en cache réduit considérablement le temps de rendu.</p>
<h2 id="en-savoir-plus">En savoir plus</h2>
<ul>
<li><a href="https://blog.conholdate.com/fr/total/create-gantt-chart-in-csharp/">Créer un diagramme de Gantt en C#</a></li>
<li><a href="https://blog.conholdate.com/fr/total/create-charts-in-word-documents-using-java/">Créer des graphiques dans des documents Word avec Java</a></li>
<li><a href="https://blog.conholdate.com/fr/total/create-organizational-chart-in-csharp/">Créer un organigramme en C#</a></li>
</ul>
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