Spring @ConfigurationProperties不映射对象列表
我面临着Spring属性映射器的奇怪问题。我有yml包含值列表。我想将其转换为对象列表,以构建应用程序。因此,我使用了@ConfigurationProperties。有了这个我就可以映射简单的类型。当我使用它来复杂类型(对象列表)时,它失败了。也不例外,但是当我调试时值列表为零。请在下面找到yml和java文件。我尝试使用spring
2.0.0,2.0.1,2.0.2,2.0.3没有成功。有人可以解决这个问题吗?
application.yml
acme: list:
- name: my name
description: my description
- name: another name
description: another description
AcmeProperties.java
import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
@Component
@ConfigurationProperties("acme")
@PropertySource("classpath:configuration/yml/application.yml")
public class AcmeProperties {
private final List<MyPojo> list = new ArrayList<>();
public List<MyPojo> getList() {
return this.list;
}
static class MyPojo {
private String name;
private String description;
public String getName() {
return name;
}
public String getDescription() {
return description;
}
}
}
使用setter和getter方法:
import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
import java.util.List;
@Component
@ConfigurationProperties(prefix = "acme")
@PropertySource("classpath:configuration/yml/application.yml")
public class AcmeProperties {
private List<MyPojo> list;
public List<MyPojo> getList() {
return list;
}
public void setList(List<MyPojo> list) {
this.list = list;
}
public static class MyPojo {
private String name;
private String description;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}
}
该类的用法:
@Autowiredpublic HomeController(AppProperties appProperties, AcmeProperties acmeProperties) {
this.appProperties = appProperties;
this.acmeProperties = acmeProperties;
}
回答:
问题是PropertySource
仅支持属性文件,您无法从yml
文件读取值。您可以像这样更新它:
@Component@ConfigurationProperties("acme")
@PropertySource("classpath:/configuration/yml/test.properties")
class AcmeProperties {
acme.list[0].name=my nameacme.list[0].description=my description
acme.list[1].name=another name
acme.list[1].description=another description
和代码应该工作。
以上是 Spring @ConfigurationProperties不映射对象列表 的全部内容, 来源链接: utcz.com/qa/433146.html