将yaml映射到SpringBoot中的对象hashmap

Question

我试图在我的Spring启动应用程序中使用String Key和PromotionPolicy值将yml文件映射到HashMap,并使用默认的spring启动实现来解析值,但PromotionPolicy对象仅包含默认值[0,false,false]对于我尝试从Map中读取值的所有实例.

我的yml是:

promotionPolicies : 
    policies: 
        P001NN:
            PromotionPolicy:
                expiryPeriodInDays: 16
                reusable: true
                resetExpiry: false
        P001YN:
            PromotionPolicy:
                expiryPeriodInDays:1
                reusable:true
                resetExpiry:false
        P001NY:
            PromotionPolicy:
                expiryPeriodInDays:1
                reusable:false
                resetExpiry:true

我的模型是:

public class PromotionPolicy {

private int expiryPeriodInDays;
private boolean reusable;
private boolean resetExpiry;

public int getExpiryPeriodInDays() {
    return expiryPeriodInDays;
}
public void setExpiryPeriodInDays(int expiryPeriodInDays) {
    this.expiryPeriodInDays = expiryPeriodInDays;
}
public boolean isReusable() {
    return reusable;
}
public void setReusable(boolean reusable) {
    this.reusable = reusable;
}
public boolean isResetExpiry() {
    return resetExpiry;
}
public void setResetExpiry(boolean resetExpiry) {
    this.resetExpiry = resetExpiry;
}

}

组件java类如下:

@Configuration
@ConfigurationProperties(prefix = "promotionPolicies")
@EnableConfigurationProperties
@Component
public class PromotionPolicyConfig {

private Map<String, PromotionPolicy> policies = new HashMap<String, PromotionPolicy>();

public void setPolicies(Map<String, PromotionPolicy> policies) {
    this.policies = policies;
}

public Map<String, PromotionPolicy> getPolicies() {
    return policies;
}

}

试图在这里显示值:

@RestController
@RequestMapping("/test")
public class LoyaltyServiceController {

@Autowired
PromotionPolicyConfig promotionPolicyConfig;

@RequestMapping(value = "/try")
public String tryThis() {
    for (Entry<String, PromotionPolicy> entry : promotionPolicyConfig.getPolicies().entrySet()) {
        System.out.print(entry.getKey() + " : ");
        System.out.print(entry.getValue() + " : ");
        System.out.print(entry.getValue().getExpiryPeriodInDays()  + " : ");
        System.out.print(entry.getValue().isResetExpiry()  + " : ");
        System.out.println(entry.getValue().isReusable()  + " : ");
    }
}

我的输出如下:

P001NN : com.expedia.www.host.loyalty.model.PromotionPolicy@63a1c99b : 0 : false : false : 
P001YN : com.expedia.www.host.loyalty.model.PromotionPolicy@7892b6b6 : 0 : false : false : 
P001NY : com.expedia.www.host.loyalty.model.PromotionPolicy@459928ab : 0 : false : false : 

虽然我期望结果包含我的yml中的值.我也尝试在我的yml中删除"PromotionPolicy:"行,但没有运气.

请求帮助了解如何将yml映射到自定义对象的Map中.

Answer 1

将你的yml改为

promotionPolicies : 
  policies: 
    P001NN:
            expiryPeriodInDays: 16
            reusable: true
            resetExpiry: false
    P001YN:
            expiryPeriodInDays: 1
            reusable: true
            resetExpiry: false
    P001NY:
            expiryPeriodInDays: 1
            reusable: false
            resetExpiry: true

Answer 2

• 这对我有用

YML：

property-name: '{
  key1: "value1",
  key2: "value2"
}'

弹簧靴：

  @Value("#{${property-name}}")
  private Map<String,String> myMap;

找到答案感谢：https : //relentlesscoding.com/2018/09/09/spring-basics-dynamically-inject-values-with-springs-value/