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springboot自定义stater启动流程

2019-12-10 07:10 896 查看

springboot启动时自动加载application.properties或者application.yml，如何定义自己的配置让springboot自动识别：

首先我们新建一个maven工程打包方式选择jar，然后引入所需的包

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.6.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.ruobbo.xxl</groupId>
<artifactId>ruobbo.xxl</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>2.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
<version>2.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<version>2.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.8</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.xuxueli</groupId>
<artifactId>xxl-job-core</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<!-- 项目部署配置 (上传到私服的配置) -->
<distributionManagement>
<repository>
<id>releases</id>
<url>http://192.168.1.99:8081/nexus/content/repositories/releases</url>
</repository>
<snapshotRepository>
<id>snapshots</id>
<url>http://192.168.1.99:8081/nexus/content/repositories/snapshots</url>
</snapshotRepository>
</distributionManagement>
</project>

然后是配置读取

@ConfigurationProperties(prefix = "xxl.job.executor")
@Data
public class XxlProperties {
private String adminAddresses;
private String appName;
private String ip;
private int port;
private String accessToken;
private String logPath;
private int logRetentionDays;
private String basePackages;

}

将读取到的配置注入到bean中，然后加载到spring bean容器中

@Configuration
@EnableConfigurationProperties(XxlProperties.class)
public class XxlAutoConfiguration {

private Logger logger = LoggerFactory.getLogger(XxlAutoConfiguration.class);

@Resource
private XxlProperties xxlProperties;

@Bean(initMethod = "start", destroyMethod = "destroy")
public XxlJobSpringExecutor xxlJobExecutor() {
logger.info(">>>>>>>>>>> xxl-job config init.");
XxlJobSpringExecutor xxlJobSpringExecutor = new XxlJobSpringExecutor();
xxlJobSpringExecutor.setAdminAddresses(xxlProperties.getAdminAddresses());
xxlJobSpringExecutor.setAppName(xxlProperties.getAppName());
xxlJobSpringExecutor.setIp(xxlProperties.getIp());
xxlJobSpringExecutor.setPort(xxlProperties.getPort());
xxlJobSpringExecutor.setAccessToken(xxlProperties.getAccessToken());
xxlJobSpringExecutor.setLogPath(xxlProperties.getLogPath());
xxlJobSpringExecutor.setLogRetentionDays(xxlProperties.getLogRetentionDays());
return xxlJobSpringExecutor;
}

}

最后在resources目录下添加META-INF文件夹添加spring.factories文件，文件内容为指定要初始化springbean的类全路径

org.springframework.boot.autoconfigure.EnableAutoConfiguration=\com.ruobbo.xxl.XxlAutoConfiguration

使用过程中引入包

<dependency>
<groupId>com.ruobbo.xxl</groupId>
<artifactId>ruobbo.xxl</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>

然后添加配置到application.properties或者application.yml

总结

以上所述是小编给大家介绍的springboot自定义stater启动流程，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！
如果你觉得本文对你有帮助，欢迎转载，烦请注明出处，谢谢！

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标签： springboot 自定义 stater 启动

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