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101 lines
2.9 KiB
Java
101 lines
2.9 KiB
Java
/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile SpringBeanUtil.java
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* LastUpdate 2025-09-09 08:37:33
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* UpdateUser MingLiPro
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*/
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package com.mingliqiye.utils.bean.springboot;
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import lombok.Getter;
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import org.jetbrains.annotations.NotNull;
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import org.springframework.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.stereotype.Component;
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/**
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* Spring Bean工具类
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* 实现ApplicationContextAware接口，并加入Component注解，让spring扫描到该bean
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* 该类用于在普通Java类中注入bean,普通Java类中用@Autowired是无法注入bean的
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* <p>
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* 需要放入扫描类中
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*
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* @author MingLiPro
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*/
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@Component
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public class SpringBeanUtil implements ApplicationContextAware {
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public static final String PACKAGE_NAME =
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"com.mingliqiye.utils.bean.springboot";
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/**
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* 获取applicationContext
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*/
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@Getter
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private static ApplicationContext applicationContext;
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/**
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* 通过bean名称获取Bean实例
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*
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* @param name bean名称
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* @return bean实例对象
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*/
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public static Object getBean(String name) {
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return getApplicationContext().getBean(name);
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}
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/**
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* 通过bean类型获取Bean实例
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*
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* @param clazz bean的Class类型
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* @param <T> 泛型类型
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* @return 指定类型的bean实例
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*/
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public static <T> T getBean(Class<T> clazz) {
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return getApplicationContext().getBean(clazz);
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}
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/**
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* 通过bean名称和类型获取指定的Bean实例
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*
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* @param name bean名称
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* @param clazz bean的Class类型
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* @param <T> 泛型类型
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* @return 指定名称和类型的bean实例
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*/
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public static <T> T getBean(String name, Class<T> clazz) {
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return getApplicationContext().getBean(name, clazz);
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}
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/**
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* 设置ApplicationContext上下文对象
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* 当Spring容器初始化时会自动调用此方法，将ApplicationContext注入到本工具类中
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* 通过判断避免重复赋值，确保只设置一次ApplicationContext
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*
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* @param applicationContext Spring应用上下文对象
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* @throws BeansException bean异常
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*/
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@Override
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public void setApplicationContext(
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@NotNull ApplicationContext applicationContext
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) throws BeansException {
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SpringBeanUtil.applicationContext = applicationContext;
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}
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}
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