package com.xxl.job.core.glue;


import groovy.lang.GroovyClassLoader;

import java.lang.reflect.Method;

public class Test {

    @org.junit.Test
    public void testGroovyClassLoader() throws Exception {

        //groovy提供了一種將字串文字程式碼直接轉換成Java Class物件的功能
        GroovyClassLoader groovyClassLoader = new GroovyClassLoader();
 

        //裡面的文字是Java程式碼,但是我們可以看到這是一個字串我們可以直接生成對應的Class<?>物件,而不需要我們寫一個.java檔案
        Class<?> clazz = groovyClassLoader.parseClass("package com.xxl.job.core.glue;\n" +
                "\n" +
                "public class Main {\n" +
                "\n" +
                "    public int age = 22;\n"
 
 +
                "    \n" +
                "    public void sayHello() {\n" +
                "        System.out.println(\"年齡是:\" + age);\n" +
                "    }\n" +
                "}\n");

        Method method = clazz.getDeclaredMethod("sayHello");
        method.invoke(clazz.newInstance
 
());

    }
}