Java Spring-如何向构造函数注入字符串值?

Java Spring-如何向构造函数注入字符串值?,java,spring,inversion-of-control,code-injection,Java,Spring,Inversion Of Control,Code Injection,我有以下内容: @Component public class ServiceManagerImpl implements ServiceManager { private final ServiceA serviceA; private final ServiceB serviceB; private final String path; @Autowired protected ServiceManagerImpl(ServiceA serviceA, Service

我有以下内容:

@Component
public class ServiceManagerImpl implements ServiceManager {

  private final ServiceA serviceA;
  private final ServiceB serviceB;
  private final String path;

  @Autowired
  protected ServiceManagerImpl(ServiceA serviceA, ServiceB serviceB, String path) {
    this.serviceA= serviceA;
    this.serviceB= serviceB;
    this.path= path;
  }

(...)

}
现在我想创建一个简单的服务,我将向上面的组件注入特定的路径值。此值应来自具有字符串常量的类:

@Component
public class ServiceManagerClientImpl implements ServiceManagerClient {

  private ServiceManager serviceManager;

  @Autowired
  public ServiceManagerClientImpl(ServiceManager serviceManager) {
    this.serviceManager = serviceManager;
  }
}

是否可以在ServiceManagerClientImpl级别上动态注入simplepath值(不是来自属性/yaml文件的值)?

您可以自动连接环境类

import org.springframework.core.env.Environment;

@Autowired
private Environment environment;
您可以使用下面的语句来读取enironment变量(“path”)

environment.getProperty("path");

可以自动关联环境类

import org.springframework.core.env.Environment;

@Autowired
private Environment environment;
您可以使用下面的语句来读取enironment变量(“path”)

environment.getProperty("path");

它是一个具有常量的类还是一个具有类似资源的应用程序.properties的类重要吗?请在Spring Boot中使用值和限定符批注。您可以将其设置为环境变量并从中读取。@SujayMohan示例?@duffymo示例?它是一个具有常量的类还是一个具有类似资源的应用程序.properties的类重要吗?请使用值和限定符Spring Boot中的批注。您可以将其设置为环境变量并从中读取。@SujayMohan示例?@duffymo示例?