【功能新增】IoT:动态脚本 js、groovy demo
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<artifactId>pf4j-spring</artifactId>
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</dependency>
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<!-- TODO @芋艿:bom 管理 -->
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<dependency>
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<groupId>org.apache.groovy</groupId>
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<artifactId>groovy-all</artifactId>
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<version>4.0.25</version>
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<type>pom</type>
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</dependency>
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<!-- TODO @芋艿:bom 管理 -->
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<dependency>
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<groupId>org.graalvm.js</groupId>
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<artifactId>js</artifactId>
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<version>24.1.2</version>
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<type>pom</type>
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</dependency>
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<dependency>
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<groupId>org.graalvm.js</groupId>
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<artifactId>js-scriptengine</artifactId>
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<version>24.1.2</version>
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</dependency>
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</dependencies>
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</project>
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@ -0,0 +1,61 @@
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package cn.iocoder.yudao.module.iot;
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import cn.hutool.script.ScriptUtil;
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import javax.script.Bindings;
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import javax.script.ScriptEngine;
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import javax.script.ScriptException;
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/**
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* TODO 芋艿:测试脚本的接入
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*/
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public class ScriptTest {
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public static void main2(String[] args) {
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// 创建一个 Groovy 脚本引擎
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ScriptEngine engine = ScriptUtil.createGroovyEngine();
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// 创建绑定参数
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Bindings bindings = engine.createBindings();
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bindings.put("name", "Alice");
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bindings.put("age", 30);
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// 定义一个稍微复杂的 Groovy 脚本
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String script = "def greeting = 'Hello, ' + name + '!';\n" +
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"def ageInFiveYears = age + 5;\n" +
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"def message = greeting + ' In five years, you will be ' + ageInFiveYears + ' years old.';\n" +
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"return message.toUpperCase();\n";
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try {
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// 执行脚本并获取结果
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Object result = engine.eval(script, bindings);
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System.out.println(result); // 输出: HELLO, ALICE! IN FIVE YEARS, YOU WILL BE 35 YEARS OLD.
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} catch (ScriptException e) {
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e.printStackTrace();
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}
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}
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public static void main(String[] args) {
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// 创建一个 JavaScript 脚本引擎
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ScriptEngine jsEngine = ScriptUtil.createJsEngine();
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// 创建绑定参数
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Bindings jsBindings = jsEngine.createBindings();
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jsBindings.put("name", "Bob");
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jsBindings.put("age", 25);
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// 定义一个简单的 JavaScript 脚本
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String jsScript = "var greeting = 'Hello, ' + name + '!';\n" +
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"var ageInTenYears = age + 10;\n" +
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"var message = greeting + ' In ten years, you will be ' + ageInTenYears + ' years old.';\n" +
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"message.toUpperCase();\n";
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try {
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// 执行脚本并获取结果
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Object jsResult = jsEngine.eval(jsScript, jsBindings);
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System.out.println(jsResult); // 输出: HELLO, BOB! IN TEN YEARS, YOU WILL BE 35 YEARS OLD.
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} catch (ScriptException e) {
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e.printStackTrace();
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}
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}
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}
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