java 执行 javascript 代码

package com.ruoyi.project.front.controller;

import java.math.BigDecimal;
import java.util.;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.date.TimeInterval;
import cn.hutool.core.util.IdUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.utils.IdUtils;
import com.ruoyi.common.utils.StringUtils;
//import javafx.util.Pair;
//import org.apache.commons.lang3.tuple.ImmutablePair;
//import org.apache.commons.lang3.tuple.MutablePair;
import com.ruoyi.framework.aspectj.lang.annotation.Log;
import com.ruoyi.framework.aspectj.lang.enums.BusinessType;
import com.ruoyi.framework.web.controller.BaseController;
import com.ruoyi.project.front.domain.;
import com.ruoyi.project.front.service.;
import com.ruoyi.project.material.domain.QuoteMatSpecs;
import com.ruoyi.project.material.service.IQuoteMatSpecsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.;
//代码效果参考：http://0791zd.com/bx/art_2251.html
import com.ruoyi.framework.web.domain.AjaxResult;

// groovy 动态执行
import groovy.lang.Binding;
import groovy.lang.GroovyShell;
//
import javax.script.;
import javax.servlet.http.HttpServletRequest;
public void test1()
{
ScriptEngine engine = new ScriptEngineManager().getEngineByName("javascript");
Compilable compilable = (Compilable) engine;
Bindings bindings = engine.createBindings();
String script = "(1+0.1 (F/100) T)P0";
CompiledScript JSFunction = null;
try {
JSFunction = compilable.compile(script);
bindings.put("F", 2.5);
bindings.put("T", 30);
bindings.put("A", 100);
bindings.put("P0", 100);
Object result = JSFunction.eval(bindings);
System.out.println(result);
} catch (ScriptException e) {
//e.printStackTrace();
}
}
//代码效果参考：http://0791zd.com/zx/art_1738.html

public  void test2()
    //示例一
    //GroovyShell shell = new GroovyShell();
    //Object result = shell.evaluate("(1+5)/2");
    //System.out.println(result);
    Binding binding = new Binding();
    binding.setVariable("F",2.5);
    binding.setVariable("T",30);
    binding.setVariable("A",100);
    binding.setVariable("P0",100);
    binding.setVariable("language", "Groovy");
    GroovyShell shell = new GroovyShell(binding);
    Object F1 =shell.evaluate("P1=(1+0.1 * (F/100) * T)*P0; return P1 ");
    System.out.println(F1);
    Object F2 =shell.evaluate("P1=P0*(0.055*0.20+1.0011)+A; return P1 ");
    System.out.println(F2);

        

          
        
        
        

          

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