如何在Spring Boot项目中的statup上创建目录 [英] How to create a directory on statup in spring boot project

问题描述

我正在创建一个目录，用于在启动时将所有上载的文件存储在我的spring boot应用程序中.

I am making a directory to store all uploaded files in my spring boot app on startup.

此目录的路径存储在application.properties文件中. 我正在尝试阅读此路径，并在startupof项目上创建目录.在启动时创建目录时无法获取路径.

The path of this directory is stored in application.properties file. I am trying to read this path and create a directory on startupof project. I am not able to get the path while creating a directory on startup.

upload.path = "/src/main/resources"

StorageProperties.java

import org.springframework.boot.context.properties.ConfigurationProperties;

@ConfigurationProperties(prefix = "upload")
public class StorageProperties {

    private String path;

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

}

推荐答案

• 第1步:使StorageProperties成为组件
• 第2步:自动将该组件连接到StartUpComponent中
• 第3步:创建您的文件夹

@Component
@ConfigurationProperties(prefix = "upload")
public class StorageProperties {

  private String path;

  // getters and setters
}

@Component
public class StartupComponent implements CommandLineRunner {
   private final StorageProperties storageProps;

   public StartupComponent (StorageProperties storageProps){
     this.storageProps = storageProps;
   }

  @Override
  public void run(String... args) throws Exception {
     String path = storageProps.getPath();
     // do your stuff here
  }
}

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