java ScriptEngineManager判断

package com.scm.platform;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

public class Main {
    public static void main(String[] args) {
        String expression = "number > 0";
        Number number = 10; // 假设 number 是一个字符串变量
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("JavaScript");
        engine.put("number", number);
        try {
            boolean result = (boolean) engine.eval（expression);
            if (result) {
                System.out.println("number > 0");
            } else {
                System.out.println("number = 0");
            }
        } catch (ScriptException e) {
            e.printStackTrace();
        }
    }

}