5.@Filter的使用.md

5.@Filter的使用

/**
 * @program SpringBooks
 * @description: 过滤注解
 * @author: mf
 * @create: 2020/01/28 22:19
 */

package org.example.config;

import org.example.service.BookService;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.stereotype.Controller;

@Configuration
@ComponentScan(value = "org.example", includeFilters = {
        @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, classes = BookService.class),
        @ComponentScan.Filter(type = FilterType.ANNOTATION, classes = Controller.class)
}, useDefaultFilters = false)
//@ComponentScan  value:指定要扫描的包
//excludeFilters = Filter[] ：指定扫描的时候按照什么规则排除那些组件
//includeFilters = Filter[] ：指定扫描的时候只需要包含哪些组件
//FilterType.ANNOTATION：按照注解
//FilterType.ASSIGNABLE_TYPE：按照给定的类型；
//FilterType.ASPECTJ：使用ASPECTJ表达式
//FilterType.REGEX：使用正则指定
//FilterType.CUSTOM：使用自定义规则
public class MainConfigOfFilter {
}