JAVA逻辑字符串判断真假

package com.chinahrt.zyn.iteye;

import javax.script.Bindings;

import javax.script.Compilable;

import javax.script.CompiledScript;

import javax.script.ScriptEngine;

import javax.script.ScriptEngineManager;

import javax.script.ScriptException;

import ognl.Ognl;

import ognl.OgnlException;

public class ScriptTest {

    /**

     * @param args

     * Administrator

     * 2013-6-19 下午5:26:06

     * @throws ScriptException

     * @throws OgnlException

     */

    public static void main(String[] args) throws ScriptException, OgnlException {

        //方式一，转换为javascript脚本，利用java的脚本引擎来执行

        ScriptEngine engine = new ScriptEngineManager().getEngineByName("javascript");

        Compilable compilable = (Compilable) engine;

        Bindings bindings = engine.createBindings(); //Local级别的Binding

        String script = "true&true||(true||false&(true||false))"; //定义函数并调用

        CompiledScript JSFunction = compilable.compile(script); //解析编译脚本函数   

        Object result = JSFunction.eval(bindings);

        System.out.println(result); //调用缓存着的脚本函数对象，Bindings作为参数容器传入

        //利用Ognl表达式来计算（需要导入ognl.jar）

        Object re = Ognl.getValue("true&&true||(true||false&&(true||false))",null);

        System.out.println(re);

    }

}
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JAVA逻辑字符串判断真假

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