diff --git a/html/arabic/java/advanced-usage/_index.md b/html/arabic/java/advanced-usage/_index.md index 5fd5162504..33e4524244 100644 --- a/html/arabic/java/advanced-usage/_index.md +++ b/html/arabic/java/advanced-usage/_index.md @@ -136,6 +136,9 @@ weight: 20 ### [كيفية تشغيل JavaScript في Java – دليل كامل](./how-to-run-javascript-in-java-complete-guide/) تعلم كيفية تشغيل كود JavaScript داخل تطبيقات Java باستخدام Aspose.HTML for Java. +### [تنفيذ JavaScript في Java باستخدام Aspose.HTML – دليل شامل](./execute-javascript-in-java-using-aspose-html-complete-guide/) +تعلم كيفية تنفيذ جافا سكريبت داخل تطبيقات Java باستخدام Aspose.HTML في دليل شامل خطوة بخطوة. + --- **آخر تحديث:** 2025-11-29 diff --git a/html/arabic/java/advanced-usage/execute-javascript-in-java-using-aspose-html-complete-guide/_index.md b/html/arabic/java/advanced-usage/execute-javascript-in-java-using-aspose-html-complete-guide/_index.md new file mode 100644 index 0000000000..61d23ee456 --- /dev/null +++ b/html/arabic/java/advanced-usage/execute-javascript-in-java-using-aspose-html-complete-guide/_index.md @@ -0,0 +1,266 @@ +--- +category: general +date: 2026-07-05 +description: نفّذ JavaScript في Java باستخدام Aspose.HTML وتعلّم تقنيات محدد الاستعلام + في Java لاستخراج النص من HTML بسرعة. +draft: false +keywords: +- execute javascript in java +- query selector java +- extract text from html +- get text content java +- retrieve element text java +language: ar +og_description: نفّذ JavaScript في Java باستخدام Aspose.HTML. تعلّم كيفية استخدام + query selector java، استخراج النص من html، والحصول على محتوى النص java في دليل واحد. +og_title: تنفيذ JavaScript في Java – دليل Aspose.HTML خطوة بخطوة +schemas: +- author: Aspose + dateModified: '2026-07-05' + description: Execute JavaScript in Java with Aspose.HTML and learn query selector + java techniques to extract text from HTML quickly. + headline: Execute JavaScript in Java Using Aspose.HTML – Complete Guide + type: TechArticle +tags: +- Java +- Aspose.HTML +- JavaScript Execution +- HTML Parsing +title: تشغيل جافا سكريبت في جافا باستخدام Aspose.HTML – دليل كامل +url: /ar/java/advanced-usage/execute-javascript-in-java-using-aspose-html-complete-guide/ +--- + +{{< blocks/products/pf/main-wrap-class >}} +{{< blocks/products/pf/main-container >}} +{{< blocks/products/pf/tutorial-page-section >}} + +# تنفيذ JavaScript في Java – دليل شامل + +هل تساءلت يومًا كيف **execute JavaScript in Java** دون الانتقال إلى المتصفح؟ لست وحدك. يواجه العديد من مطوري Java عقبة عندما يحتاجون إلى تشغيل سكريبتات الجانب العميل—مثل ملء نموذج ديناميكياً أو قراءة قيم لا يمكن حسابها إلا بواسطة JavaScript. + +في هذا الدليل سنستعرض حلًا عمليًا باستخدام Aspose.HTML، ونوضح لك كيفية **query selector java** للعناصر، ونظهر أفضل طريقة لـ **extract text from HTML** بعد تشغيل السكريبتات. في النهاية ستكون قادرًا على **retrieve element text java** بأسلوب تطبيق بسيط على وحدة التحكم. + +> **لماذا هذا مهم** – تشغيل JavaScript على الخادم يتيح لك أتمتة إنشاء التقارير، استخراج محتوى المواقع الديناميكية، أو معالجة HTML مسبقًا قبل تخزينه. إنه تغيير جذري لأي سير عمل يركز على Java ويتعامل مع الويب. + +## المتطلبات المسبقة + +* Java 17 (أو أي JDK حديث) مثبت ومُعرّف `JAVA_HOME`. +* Maven أو Gradle لإدارة التبعيات. +* ترخيص صالح لـ Aspose.HTML for Java (الإصدار التجريبي المجاني يكفي للتعلم). +* ملف HTML صغير (`dynamic.html`) يحتوي على بعض JavaScript التي تريد تشغيلها. + +إذا كان أي من ذلك غير مألوف، لا تقلق—كل خطوة أدناه تتضمن الأوامر الدقيقة التي تحتاجها للإعداد. + +## الخطوة 1: إضافة تبعية Aspose.HTML + +أولاً، أخبر Maven (أو Gradle) بجلب مكتبة Aspose.HTML. في ملف Maven `pom.xml` أضف: + +```xml + + com.aspose + aspose-html + 23.10 + +``` + +أو، باستخدام Gradle: + +```groovy +implementation 'com.aspose:aspose-html:23.10' +``` + +> **نصيحة احترافية:** حافظ على تحديث تبعياتك؛ الإصدارات الأحدث غالبًا ما تحسن أداء تنفيذ السكريبت. + +## الخطوة 2: إعداد ملف HTML + +أنشئ مجلدًا باسم `resources` في جذر مشروعك وضع فيه ملفًا باسم `dynamic.html`. إليك مثالًا بسيطًا يضبط نص فقرة عبر JavaScript: + +```html + + + + Dynamic Demo + + + +

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+ + +``` + +لاحظ العنصر `id="result"`—سوف نستخدم لاحقًا طريقة **retrieve element text java** باستخدام محدد استعلام. + +## الخطوة 3: كتابة برنامج Java + +الآن يأتي جوهر الدليل: فئة Java تقوم بـ **execute JavaScript in Java**، تشغل السكريبت، ثم تستخرج النص الناتج. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### لماذا هذا يعمل + +* **`Document`** يحمل HTML إلى DOM يمكن لـ Aspose.HTML التلاعب به. +* **`ScriptEngine`** هو المكوّن الذي فعليًا **execute JavaScript in Java**. يحترم نفس ترتيب التنفيذ كما في المتصفح. +* **`executeAll()`** ينفّذ كل وسم ` + + +

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+ + +``` + +请注意 `id="result"` 的元素——稍后我们将使用 **retrieve element text java** 的方式，通过查询选择器获取它的内容。 + +## 第三步：编写 Java 程序 + +下面进入教程的核心：一个 **execute JavaScript in Java** 的 Java 类，负责运行脚本并提取生成的文本。 + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### 工作原理说明 + +* **`Document`** 将 HTML 加载到 Aspose.HTML 可操作的 DOM 中。 +* **`ScriptEngine`** 才是真正 **execute JavaScript in Java** 的组件，遵循浏览器相同的执行顺序。 +* **`executeAll()`** 会运行所有 ` + + +

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+ + +``` + +Všimněte si elementu `id="result"` – později jej pomocí **retrieve element text java** stylu získáme pomocí query selectoru. + +## Krok 3: Napište Java program + +Nyní přichází jádro tutoriálu: třída Java, která **execute JavaScript in Java**, spustí skript a poté získá výsledný text. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Proč to funguje + +* **`Document`** načte HTML do DOM, který může Aspose.HTML manipulovat. +* **`ScriptEngine`** je komponenta, která skutečně **execute JavaScript in Java**. Respektuje stejný pořadí vykonávání jako prohlížeč. +* **`executeAll()`** spustí každý ` + + +

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+ + +``` + +Let op het element met `id="result"` — we zullen later **retrieve element text java** stijl gebruiken met een query selector. + +## Stap 3: Schrijf het Java‑programma + +Nu volgt het hart van de tutorial: een Java‑klasse die **execute JavaScript in Java**, het script uitvoert, en vervolgens de resulterende tekst ophaalt. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Waarom dit werkt + +* **`Document`** laadt de HTML in een DOM die Aspose.HTML kan manipuleren. +* **`ScriptEngine`** is het component dat daadwerkelijk **execute JavaScript in Java**. Het respecteert dezelfde uitvoervolgorde als een browser. +* **`executeAll()`** voert elke ` + + +

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+ + +``` + +Notice the `id="result"` element—we’ll later **retrieve element text java** style using a query selector. + +## Step 3: Write the Java Program + +Now comes the heart of the tutorial: a Java class that **execute JavaScript in Java**, runs the script, and then pulls the resulting text. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Why this works + +* **`Document`** loads the HTML into a DOM that Aspose.HTML can manipulate. +* **`ScriptEngine`** is the component that actually **execute JavaScript in Java**. It respects the same execution order a browser would. +* **`executeAll()`** runs every ` + + +

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+ + +``` + +Remarquez l'élément `id="result"`—nous récupérerons plus tard le texte de l'élément à la **retrieve element text java** style en utilisant un sélecteur de requête. + +## Étape 3 : Écrire le programme Java + +Voici le cœur du tutoriel : une classe Java qui **execute JavaScript in Java**, exécute le script, puis récupère le texte résultant. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Pourquoi cela fonctionne + +* **`Document`** charge le HTML dans un DOM que Aspose.HTML peut manipuler. +* **`ScriptEngine`** est le composant qui **execute JavaScript in Java** réellement. Il respecte le même ordre d'exécution qu'un navigateur. +* **`executeAll()`** exécute chaque balise ` + + +

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+ + +``` + +Beachten Sie das Element `id="result"` – später werden wir **retrieve element text java** im Stil eines query selectors holen. + +## Schritt 3: Das Java‑Programm schreiben + +Jetzt kommt das Herzstück des Tutorials: eine Java‑Klasse, die **execute JavaScript in Java** ausführt, das Skript laufen lässt und anschließend den resultierenden Text extrahiert. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Warum das funktioniert + +* **`Document`** lädt das HTML in ein DOM, das Aspose.HTML manipulieren kann. +* **`ScriptEngine`** ist die Komponente, die tatsächlich **execute JavaScript in Java** ausführt. Sie beachtet dieselbe Ausführungsreihenfolge wie ein Browser. +* **`executeAll()`** führt jedes ` + + +

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+ + +``` + +Παρατηρήστε το στοιχείο `id="result"`—αργότερα θα **retrieve element text java** με χρήση ενός query selector. + +## Βήμα 3: Γράψτε το πρόγραμμα Java + +Τώρα έρχεται η καρδιά του οδηγού: μια κλάση Java που **execute JavaScript in Java**, εκτελεί το script και στη συνέχεια εξάγει το προκύπτον κείμενο. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Γιατί λειτουργεί αυτό + +* **`Document`** φορτώνει το HTML σε ένα DOM που μπορεί να χειριστεί το Aspose.HTML. +* **`ScriptEngine`** είναι το στοιχείο που πραγματικά **execute JavaScript in Java**. Σεβεται την ίδια σειρά εκτέλεσης όπως ένας περιηγητής. +* **`executeAll()`** εκτελεί κάθε ετικέτα ` + + +

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+ + +``` + +ध्यान दें `id="result"` एलिमेंट—हम बाद में **retrieve element text java** शैली में क्वेरी सिलेक्टर का उपयोग करके इसका टेक्स्ट प्राप्त करेंगे। + +## Step 3: Write the Java Program + +अब ट्यूटोरियल का मुख्य भाग: एक Java क्लास जो **execute JavaScript in Java** करता है, स्क्रिप्ट चलाता है, और परिणामी टेक्स्ट को निकालता है। + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Why this works + +* **`Document`** HTML को एक DOM में लोड करता है जिसे Aspose.HTML मैनीपुलेट कर सकता है। +* **`ScriptEngine`** वह कंपोनेंट है जो वास्तव में **execute JavaScript in Java** करता है। यह वही निष्पादन क्रम अपनाता है जैसा ब्राउज़र करता है। +* **`executeAll()`** हर ` + + +

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+ + +``` + +請注意 `id="result"` 元素——稍後我們會使用 query selector 以 **retrieve element text java** 方式取得其文字。 + +## 步驟 3：撰寫 Java 程式 + +現在進入本教學的核心：一個能 **execute JavaScript in Java**、執行腳本並取得結果文字的 Java 類別。 + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### 為何這樣運作 + +* **`Document`** 會將 HTML 載入 Aspose.HTML 可操作的 DOM。 +* **`ScriptEngine`** 是實際執行 **execute JavaScript in Java** 的元件。它遵循瀏覽器相同的執行順序。 +* **`executeAll()`** 會執行所有 ` + + +

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+ + +``` + +Vedd észre az `id="result"` elemet—később **retrieve element text java** stílusban fogjuk lekérni a szöveget egy query selector segítségével. + +## 3. lépés: Java program megírása + +Most jön a tutorial központi része: egy Java osztály, amely **execute JavaScript in Java**-t hajt végre, futtatja a szkriptet, majd kinyeri az eredmény szöveget. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Miért működik ez + +* **`Document`** betölti a HTML-t egy DOM-ba, amelyet az Aspose.HTML manipulálni tud. +* **`ScriptEngine`** az a komponens, amely ténylegesen **execute JavaScript in Java**-t hajt végre. Tiszteletben tartja ugyanazt a végrehajtási sorrendet, mint egy böngésző. +* **`executeAll()`** lefuttat minden ` + + +

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+ + +``` + +Perhatikan elemen `id="result"`—kami nanti akan **retrieve element text java** dengan menggunakan query selector. + +## Langkah 3: Tulis Program Java + +Sekarang masuk ke inti tutorial: kelas Java yang **execute JavaScript in Java**, menjalankan skrip, dan kemudian mengambil teks yang dihasilkan. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Mengapa ini Berfungsi + +* **`Document`** memuat HTML ke dalam DOM yang dapat dimanipulasi oleh Aspose.HTML. +* **`ScriptEngine`** adalah komponen yang benar‑benar **execute JavaScript in Java**. Ia mengikuti urutan eksekusi yang sama seperti pada browser. +* **`executeAll()`** menjalankan setiap tag ` + + +

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+ + +``` + +Nota l'elemento `id="result"`—in seguito utilizzeremo **retrieve element text java** in stile query selector. + +## Passo 3: Scrivere il programma Java + +Ora arriva il cuore del tutorial: una classe Java che **execute JavaScript in Java**, esegue lo script e poi estrae il testo risultante. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Perché funziona + +* **`Document`** carica l'HTML in un DOM che Aspose.HTML può manipolare. +* **`ScriptEngine`** è il componente che effettivamente **execute JavaScript in Java**. Rispetta lo stesso ordine di esecuzione di un browser. +* **`executeAll()`** esegue ogni tag ` + + +

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+ + +``` + +`id="result"` 要素に注目してください—後でクエリセレクタを使用して **retrieve element text java** スタイルで取得します。 + +## Step 3: Java プログラムの作成 + +これがチュートリアルの核心です：**execute JavaScript in Java** を行い、スクリプトを実行し、結果のテキストを取得する Java クラスです。 + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### なぜこれが機能するのか + +* **`Document`** は HTML を Aspose.HTML が操作できる DOM にロードします。 +* **`ScriptEngine`** は実際に **execute JavaScript in Java** を行うコンポーネントで、ブラウザと同じ実行順序を尊重します。 +* **`executeAll()`** はすべての ` + + +

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+ + +``` + +`id="result"` 요소에 주목하세요—나중에 query selector를 사용해 **retrieve element text java** 스타일로 가져올 것입니다. + +## 단계 3: Java 프로그램 작성 + +이제 튜토리얼의 핵심 단계인, **Java에서 JavaScript를 실행**하고 스크립트를 실행한 뒤 결과 텍스트를 추출하는 Java 클래스를 작성합니다. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### 왜 이렇게 동작하나요 + +* **`Document`**는 HTML을 Aspose.HTML이 조작할 수 있는 DOM으로 로드합니다. +* **`ScriptEngine`**은 실제로 **Java에서 JavaScript를 실행**하는 구성 요소이며, 브라우저와 동일한 실행 순서를 따릅니다. +* **`executeAll()`**은 모든 ` + + +

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+ + +``` + +Zauważ element `id="result"` — później użyjemy **retrieve element text java** w stylu, korzystając z selektora zapytań. + +## Krok 3: Napisz program w Javie + +Teraz przechodzi do serca poradnika: klasa Java, która **execute JavaScript in Java**, uruchamia skrypt i pobiera wynikowy tekst. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Dlaczego to działa + +* **`Document`** ładuje HTML do DOM, który Aspose.HTML może manipulować. +* **`ScriptEngine`** jest komponentem, który faktycznie **execute JavaScript in Java**. Przestrzega takiego samego porządku wykonywania, jaki miałaby przeglądarka. +* **`executeAll()`** uruchamia każdy znacznik ` + + +

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+ + +``` + +Observe o elemento `id="result"` — mais tarde usaremos **retrieve element text java** usando um query selector. + +## Step 3: Write the Java Program + +Agora vem o coração do tutorial: uma classe Java que **execute JavaScript in Java**, roda o script e então extrai o texto resultante. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Por que isso funciona + +* **`Document`** carrega o HTML em um DOM que o Aspose.HTML pode manipular. +* **`ScriptEngine`** é o componente que realmente **execute JavaScript in Java**. Ele respeita a mesma ordem de execução que um navegador. +* **`executeAll()`** executa todas as tags ` + + +

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+ + +``` + +Обратите внимание на элемент `id="result"` — позже мы **retrieve element text java** в стиле, используя query selector. + +## Шаг 3: Написание Java‑программы + +Теперь переходим к основной части руководства: класс Java, который **execute JavaScript in Java**, запускает скрипт и затем извлекает полученный текст. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Почему это работает + +* **`Document`** загружает HTML в DOM, которым может управлять Aspose.HTML. +* **`ScriptEngine`** — компонент, который действительно **execute JavaScript in Java**. Он соблюдает тот же порядок выполнения, что и браузер. +* **`executeAll()`** выполняет каждый тег ` + + +

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+ + +``` + +Observa el elemento `id="result"`—más adelante utilizaremos **retrieve element text java** estilo mediante un selector de consulta. + +## Paso 3: Escribir el programa Java + +Ahora llega el corazón del tutorial: una clase Java que **execute JavaScript in Java**, ejecuta el script y luego extrae el texto resultante. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Por qué funciona esto + +* **`Document`** carga el HTML en un DOM que Aspose.HTML puede manipular. +* **`ScriptEngine`** es el componente que realmente **execute JavaScript in Java**. Respeta el mismo orden de ejecución que tendría un navegador. +* **`executeAll()`** ejecuta cada etiqueta ` + + +

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+ + +``` + +Observera elementet `id="result"` – vi kommer senare att **retrieve element text java** med en query selector. + +## Step 3: Write the Java Program + +Nu kommer hjärtat i tutorialen: en Java‑klass som **execute JavaScript in Java**, kör skriptet och sedan hämtar den resulterande texten. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Why this works + +* **`Document`** laddar HTML‑filen i ett DOM‑träd som Aspose.HTML kan manipulera. +* **`ScriptEngine`** är komponenten som faktiskt **execute JavaScript in Java**. Den följer samma exekveringsordning som en webbläsare. +* **`executeAll()`** kör varje ` + + +

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+ + +``` + +สังเกตองค์ประกอบ `id="result"` — เราจะ **retrieve element text java** ในสไตล์ query selector ในภายหลัง + +## Step 3: Write the Java Program + +ตอนนี้มาถึงหัวใจของบทเรียน: คลาส Java ที่ **execute JavaScript in Java**, รันสคริปต์, แล้วดึงข้อความที่ได้ออกมา + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### ทำไมวิธีนี้ถึงได้ผล + +* **`Document`** โหลด HTML เข้าไปใน DOM ที่ Aspose.HTML สามารถจัดการได้ +* **`ScriptEngine`** เป็นคอมโพเนนต์ที่จริง ๆ แล้ว **execute JavaScript in Java**. มันเคารพลำดับการทำงานเดียวกับที่เบราว์เซอร์ทำ +* **`executeAll()`** รันทุกแท็ก ` + + +

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+ + +``` + +`id="result"` öğesine dikkat edin—daha sonra **retrieve element text java** tarzında bir query selector ile bu öğeyi alacağız. + +## Adım 3: Java Programını Yazın + +Şimdi eğitimin kalbi: **execute JavaScript in Java** yapan, betiği çalıştıran ve ortaya çıkan metni çeken bir Java sınıfı. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Neden Bu Çalışıyor + +* **`Document`** HTML’i Aspose.HTML’in manipüle edebileceği bir DOM’a yükler. +* **`ScriptEngine`** aslında **execute JavaScript in Java** işlemini yapan bileşendir. Bir tarayıcının yürütme sırasına uyar. +* **`executeAll()`** her ` + + +

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+ + +``` + +Lưu ý phần tử `id="result"`—chúng ta sẽ sau này **retrieve element text java** theo kiểu sử dụng query selector. + +## Bước 3: Viết chương trình Java + +Bây giờ là phần cốt lõi của hướng dẫn: một lớp Java mà **execute JavaScript in Java**, chạy script và sau đó lấy văn bản kết quả. + +```java +import com.aspose.html.dom.Document; +import com.aspose.html.scripting.ScriptEngine; + +public class JsExecution { + public static void main(String[] args) throws Exception { + // 1️⃣ Load the HTML document that contains JavaScript + Document htmlDocument = new Document("resources/dynamic.html"); + + // 2️⃣ Create a script engine bound to the loaded document + ScriptEngine scriptEngine = new ScriptEngine(htmlDocument); + + // 3️⃣ Execute all scripts (both inline and external) within the document + scriptEngine.executeAll(); + + // 4️⃣ Retrieve the text content set by the JavaScript code + // Here we use query selector java to find the element. + String resultText = htmlDocument.querySelector("#result").getTextContent(); + + // 5️⃣ Output the result to the console + System.out.println("Result after JS: " + resultText); + } +} +``` + +### Tại sao cách này hoạt động + +- **`Document`** tải HTML vào DOM mà Aspose.HTML có thể thao tác. +- **`ScriptEngine`** là thành phần thực sự **execute JavaScript in Java**. Nó tuân theo cùng thứ tự thực thi như trình duyệt. +- **`executeAll()`** chạy mọi thẻ `