springboot加载外部xml_springboot外部加载配置文件

从jar外面加载配置文件

import org.mybatis.spring.annotation.MapperScan;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.config.PropertiesFactoryBean;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.web.client.RestTemplateBuilder;

import org.springframework.cloud.netflix.hystrix.EnableHystrix;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.ComponentScan;

import org.springframework.core.env.PropertiesPropertySource;

import org.springframework.core.env.StandardEnvironment;

import org.springframework.core.io.Resource;

import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

import org.springframework.core.io.support.ResourcePatternResolver;

import org.springframework.web.client.RestTemplate;

import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.io.File;

import java.io.IOException;

import java.util.Properties;

&＃64;SpringBootApplication

&＃64;EnableSwagger2

&＃64;EnableGlobalCors

&＃64;EnableWebLog

&＃64;EnableHystrix

public class SpringBootApp{

/*

public static void main(String[] args) {

SpringApplication.run(SpringBootApp.class,args);

}*/

private static final Logger LOGGER &＃61; LoggerFactory.getLogger(SpringBootApp.class);

public static void main(String[] args) throws IOException {

SpringApplication springApplicationBuilder &＃61; new SpringApplication(SpringBootApp.class);

Properties properties &＃61; getProperties();

StandardEnvironment environment &＃61; new StandardEnvironment();

environment.getPropertySources().addLast(new PropertiesPropertySource("micro-service", properties));

springApplicationBuilder.setEnvironment(environment);

springApplicationBuilder.run(args);

}

private static Properties getProperties() throws IOException {

PropertiesFactoryBean propertiesFactoryBean &＃61; new PropertiesFactoryBean();

ResourcePatternResolver resolver &＃61; new PathMatchingResourcePatternResolver();

propertiesFactoryBean.setIgnoreResourceNotFound(false);

//获取jar所在目录

String parent &＃61; new File(VehicleExhEmifoApp.class.getProtectionDomain().getCodeSource().getLocation().getFile()).getParent();

int index &＃61; parent.indexOf(".jar");

if(index > 0){

parent &＃61; parent.substring(0, index &＃43; 4);

parent &＃61; new File(parent).getParent();

}

//加载可能存在的自定义的配置文件

String property &＃61; String.format("%s/config/application.properties", parent);

LOGGER.info(String.format("读取配置文件&＃xff1a;%s", property));

File f &＃61; new File(property);

if(!f.exists()){

Properties prop &＃61; new Properties();

prop.load(VehicleExhEmifoApp.class.getResourceAsStream("/application.properties"));

return prop;

}

Resource fileSystemResource &＃61; resolver.getResource(property);

propertiesFactoryBean.setLocations(fileSystemResource);

propertiesFactoryBean.afterPropertiesSet();

return propertiesFactoryBean.getObject();

}

}

dockerFile写法

FROM java:latest

MAINTAINER docker_user

ADD SpringBootApp.jar /root/

RUN mkdir -p /root/config/

ADD application.properties /root/config/

WORKDIR /tmp

RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

RUN echo "Asia/shanghai" > /etc/timezone;

CMD ["nohup","java","-jar","/root/SpringBootApp.jar","&"]