反射工具包reflections

反射工具包reflections

帮助开发者通过反射扫描指定路径下的类、方法等

maven依赖

    org.reflections
    reflections
    0.9.11

小例子

package com.lucas.device.rest.api;

import java.lang.reflect.Method;
import java.util.Objects;
import java.util.Set;

import org.reflections.Reflections;
import org.reflections.scanners.MethodAnnotationsScanner;
import org.reflections.util.ClasspathHelper;
import org.reflections.util.ConfigurationBuilder;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;

/**
 *  

 *
 * @author xubin

 * @version 1.0

 * @taskId 

 * @CreateDate 2019/9/18 

 */
public class Demo {

    /**
     * Description: 打印指定路径下api请求地址

     * 
     * @author xubin 

     * @taskId 

     * @param args 

     */
    public static void main(String[] args) {
        String packagePath = "com.lucas.device.rest.api";
        Reflections reflections = new Reflections(
                new ConfigurationBuilder().setUrls(ClasspathHelper.forPackage(packagePath)).setScanners(new MethodAnnotationsScanner()));
        Set methodSet = reflections.getMethodsAnnotatedWith(PostMapping.class);
        for (Method m : methodSet) {
            String classMapping = m.getDeclaringClass().getAnnotation(RequestMapping.class).value()[0];
            String[] value = m.getAnnotation(PostMapping.class).value();
            if (Objects.nonNull(value) && value.length > 0)

                System.out.println(String.format("methodName:%s,postMapping:%s", m.getName(),
                        classMapping + m.getAnnotation(PostMapping.class).value()[0]));
        }
    }
}