這篇文章主要介紹如何在springboot中如何建立含有多個module的工程,栗子中含有兩個 module,一個做爲libarary. 工程,另一個是主工程,調用libary .其中libary jar有一個服務,main工程調用這個服務。web
建立一個maven 工程,其pom文件爲:spring
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<?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.forezp</groupId>
<artifactId>springboot-multi-module</artifactId>
<version>
0.0
.
1
-SNAPSHOT</version>
<packaging>pom</packaging>
<name>springboot-multi-module</name>
<description>Demo project
for
Spring Boot</description>
</project>
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須要注意的是packaging標籤爲pom 屬性。apache
libary工程爲maven工程,其pom文件的packaging標籤爲jar 屬性。建立一個service組件,它讀取配置文件的 service.message屬性。springboot
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@ConfigurationProperties
(
"service"
)
public
class
ServiceProperties {
/**
* A message for the service.
*/
private
String message;
public
String getMessage() {
return
message;
}
public
void
setMessage(String message) {
this
.message = message;
}
}
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提供一個對外暴露的方法:架構
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@Configuration
@EnableConfigurationProperties
(ServiceProperties.
class
)
public
class
ServiceConfiguration {
@Bean
public
Service service(ServiceProperties properties) {
return
new
Service(properties.getMessage());
}
}
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引入相應的依賴,建立一個web服務:app
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@SpringBootApplication
@Import
(ServiceConfiguration.
class
)
@RestController
public
class
DemoApplication {
private
final
Service service;
@Autowired
public
DemoApplication(Service service) {
this
.service = service;
}
@GetMapping
(
"/"
)
public
String home() {
return
service.message();
}
public
static
void
main(String[] args) {
SpringApplication.run(DemoApplication.
class
, args);
}
}
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架構代碼以下:maven
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