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这篇文章主要介绍了如何使用SpringBoot自定义starter,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。
springboot一种全新的编程规范,其设计目的是用来简化新Spring应用的初始搭建以及开发过程,SpringBoot也是一个服务于框架的框架,服务范围是简化配置文件。
工程由xxx-sprig-boot-starter
和xxx-sprig-boot-starter-configure
两个模块组成;
xxx-sprig-boot-starter
模块
只用来做依赖导入
依赖于 xxx-sprig-boot-starter-configure
模块,没有实际代码
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.ander</groupId> <artifactId>ander-spring-boot-starter</artifactId> <version>1.0-SNAPSHOT</version> <!--依赖ander-spring-boot-starter-configure工程--> <dependencies> <dependency> <groupId>com.ander</groupId> <artifactId>ander-spring-boot-starter-configure</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> </project>
xxx
-sprig-boot-starter-configure
模块
专门自动配置模块
依赖于spring-boot-starter-web
<?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>2.3.10.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.ander</groupId> <artifactId>ander-spring-boot-starter-configure</artifactId> <version>0.0.1-SNAPSHOT</version> <name>ander-spring-boot-starter-configure</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies> </project>
/** * Service层 * * @Author: Ander * @Date: 2021-05-04 */ public class HelloService { private HelloServiceProperties helloServiceProperties; public String helloService(String name) { return helloServiceProperties.getPrefix() + " "+ name + " " + helloServiceProperties.getSuffix(); } public HelloServiceProperties getHelloServiceProperties() { return helloServiceProperties; } public void setHelloServiceProperties(HelloServiceProperties helloServiceProperties) { this.helloServiceProperties = helloServiceProperties; } }
/** * 属性配置类 * * @Author: Ander * @Date: 2021-05-04 */ @ConfigurationProperties(prefix = "com.ander") public class HelloServiceProperties { private String prefix = "hi"; private String suffix = "hello world"; public String getPrefix() { return prefix; } public void setPrefix(String prefix) { this.prefix = prefix; } public String getSuffix() { return suffix; } public void setSuffix(String suffix) { this.suffix = suffix; } }
@EnableConfigurationProperties({HelloServiceProperties.class})
作用:让xxxProperties生效加入到容器中
/** * 自定义starter自动配置类 * * @Date: 2021-05-04 */ @Configuration @ConditionalOnWebApplication // 指定web应用才生效 @EnableConfigurationProperties({HelloServiceProperties.class}) public class HelloServiceAutoConfigure { @Autowired private HelloServiceProperties helloServiceProperties; @Bean public HelloService helloService() { HelloService helloService = new HelloService(); helloService.setHelloServiceProperties(helloServiceProperties); return helloService; } }
注意先安装xxx-spring-boot-starter-configure
,再安装xxx-spring-boot-starter
/** * starter测试控制类 * * @Author: Ander * @Date: 2021-05-05 */ @RestController public class StarterTestController { @Autowired private HelloService helloService; @GetMapping("hello") public String hello(String name) { return helloService.helloService(name); } }
server.port=8888
com.ander.prefix=HI
com.ander.suffix=HELLO WORLD
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