本文介绍了科特林Spring Boot @ConfigurationProperties的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何使用 Kotlin 在 Spring Boot 中正确初始化ConfigurationProperties?
How to properly initialize ConfigurationProperties in Spring Boot with Kotlin?
当前我喜欢以下示例:
@ConfigurationProperties("app")
class Config {
var foo: String? = null
}
但是它看起来很丑陋,实际上foo
不是var
iable,foo是恒定 val
ue和应该在启动期间初始化,并且在启动时不会更改未来.
But it looks pretty ugly and actually foo
is not a var
iable, foo is constant val
ue and should be initialized during startup and will not change in the future.
推荐答案
使用新的 Spring Boot 2.2 ,您可以这样做:
With new Spring Boot 2.2 you can do like so:
@ConstructorBinding
@ConfigurationProperties(prefix = "swagger")
data class SwaggerProp(
val title: String, val description: String, val version: String
)
并且不要忘记在build.gradle.kts
的依赖项中包括此内容:
And don't forget to include this in your dependencies in build.gradle.kts
:
dependencies {
annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
}
这篇关于科特林Spring Boot @ConfigurationProperties的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!