SpringBoot custom configuration item process

Spring Boot Custom Configuration Items

Configuration File

existFiles need configuration

for example:

=D:\\flies\\springboot\\

@ConfigurationProperties Annotation

Use Notes@ConfigurationPropertiesConfigure configuration items and entitiesBeanRelated

Implement the association between configuration items and entity class fields and read configuration file data

import ;
import ;
import ;

@Data
@Component
@ConfigurationProperties(prefix = "file")
public class FileConfig {
    private String path;
}

use

Get configuration information

FileConfig fileConfig = new FileConfig();
// File save directoryString filePath = ();

    @PostMapping("/upload/")
    @ResponseBody
    public  Response upload(MultipartFile file) {
        // Verify that there are files        if(file == null || ()){
            return ("Upload failed, please select file",400);
        }
        FileConfig fileConfig = new FileConfig();
        // File save directory        String filePath = ();

        // Verify folder        File folder = new File(filePath);
        if (!()) {
            ();
        }

        // file name        String fileName = () + ();
        filePath = filePath  + fileName;
        File saveFile = new File(filePath);
        try {
            (saveFile);
            return  ("Upload successful");
        } catch (IOException e) {
            ();
            return  ("Upload failed",50001);
        }
    }

Summarize

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