package ajava.code.javase;import javax.script.ScriptEngineManager;import javax.script.ScriptEngine;import javax.script.ScriptException;import java.util.Date;public class AjavaAccessJavaObjectFromScript {   public static void main(String[] args) {       //创建用户数组，共5个用户       String[] users = {"mark", "道长", "笨笨", "13810", "way"};       Date now = new Date();       //脚本代码，输出所有在线用户及当前时间       String script =               "var index; " +               "var users = userArray; " +               "for (index in users) { " +               "    println(users[index]); " +               "}" +               "println(‘----------‘); " +               "println(‘当前时间 (‘ + date+‘)‘); ";       //获得JS脚本引擎       ScriptEngineManager manager = new ScriptEngineManager();       ScriptEngine engine = manager.getEngineByExtension("js");       //设置JS脚本中的userArray、date变量       engine.put("userArray", users);       engine.put("date", now);       try {           engine.eval(script);//执行JS脚本       } catch (ScriptException e) {           e.printStackTrace();       }   }}