package org.script;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class ScriptEngineManagerDemo {
public static void main(String[] args) {
ScriptEngineManager sem = new ScriptEngineManager(); /*script引擎管理*/
ScriptEngine se = sem.getEngineByName("javascript"); /*script引擎*/
try {
se.eval(" var strname = 'Key' ") ; /* 执行一段script */
se.eval("function sayHello( ) { "
+ " print('Hello '+strname+'!');return 'my name is '+strname;" + "}"); /* 添加一个方法*/
Invocable invocableEngine = (Invocable) se ;
String callbackvalue=(String) invocableEngine.invokeFunction("sayHello" ); /*调用方法中的函数*/
System.out.println( callbackvalue ) ; /** 打印返回值*/
} catch (Exception e) {
e.printStackTrace();
}
}
}
输出结果:
