详解在SpringBoot应用中获取应用上下文方法

1、定义上下文工具类：

package com.alimama.config;

import org.springframework.context.ApplicationContext;

/**

* 上下文获取工具类

* @author mengfeiyang

*

*/

public class SpringContextUtil {

private static ApplicationContext applicationContext;

public static void setApplicationContext(ApplicationContext context) {

applicationContext = context;

}

public static Object getBean(String beanId) {

return applicationContext.getBean(beanId);

}

2、在启动入口类中注入applicationContext

package com.alimama;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;

import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;

import org.springframework.boot.context.properties.EnableConfigurationProperties;

import org.springframework.context.ApplicationContext;

import org.springframework.context.annotation.ComponentScan;

import com.alimama.config.SbootConfig;

import com.alimama.config.SpringContextUtil;

import com.alimama.config.ZKConfig;

import com.alimama.quartz.InitTask;

/**

* spring boot启动入口类

* @author mengfeiyang

*

*/

@ComponentScan

@SpringBootApplication

@EnableConfigurationProperties({ZKConfig.class,SbootConfig.class})

public class SbootApplication implements EmbeddedServletContainerCustomizer{

public static void main(String[] args) {

ApplicationContext applicationContext = SpringApplication.run(SbootApplication.class, args);

SpringContextUtil.setApplicationContext(applicationContext);

}

@Override

public void customize(ConfigurableEmbeddedServletContainer container) {

}

3、调用方法

详解在SpringBoot应用中获取应用上下文方法

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