How to implement multiple file uploads based on Swagger 3.x in Spring boot 3.x

How to implement multiple file uploads based on Swagger 3.x in Spring boot 3.x

Project

pom.xml

xml 复制代码
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.2.3</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>com.qwfys.sample</groupId>
    <artifactId>upload-sample</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <name>upload-sample</name>
    <description>upload-sample</description>

    <properties>
        <java.version>17</java.version>
        <swagger.starter.version>1.9.1.RELEASE</swagger.starter.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springdoc</groupId>
            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
            <version>2.0.3</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

OpenAPIConfig

java 复制代码
package com.qwfys.sample.upload.base.config;

import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.info.Contact;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.info.License;
import io.swagger.v3.oas.models.servers.Server;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.List;

@Configuration
public class OpenAPIConfig {

    @Value("${app.openapi.dev-url}")
    private String devUrl;

    @Value("${app.openapi.prod-url}")
    private String prodUrl;

    @Bean
    public OpenAPI myOpenAPI() {
        Server devServer = new Server();
        devServer.setUrl(devUrl);
        devServer.setDescription("Server URL in Development environment");

        Server prodServer = new Server();
        prodServer.setUrl(prodUrl);
        prodServer.setDescription("Server URL in Production environment");

        Contact contact = new Contact();
        contact.setEmail("qwfys200@qq.com");
        contact.setName("qwfys200");
        contact.setUrl("https://www.qwfys.com");

        License mitLicense = new License().name("MIT License").url("https://choosealicense.com/licenses/mit/");

        Info info = new Info()
                .title("Tutorial Management API")
                .version("1.0")
                .contact(contact)
                .description("This API exposes endpoints to manage tutorials.").termsOfService("https://www.bezkoder.com/terms")
                .license(mitLicense);

        return new OpenAPI().info(info).servers(List.of(devServer, prodServer));
    }
}

FileUploadController

java 复制代码
package com.qwfys.sample.upload.controller;

import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;


@Tag(name = "Tutorial", description = "Tutorial management APIs")
@RestController
public class FileUploadController {

    private static final Logger logger = LoggerFactory.getLogger(FileUploadController.class);

    @RequestMapping(value = "/uploadMultiFiles", consumes = {"multipart/form-data"}, method = RequestMethod.POST)
    public String uploads(@RequestPart(required = true) MultipartFile[] files) {
        logger.info("File Upload:{}", files);
        return "sucessfull";
    }

    @RequestMapping(value = "/uploadMultiFile", consumes = {"multipart/form-data"}, method = RequestMethod.POST)
    public String uploads(@RequestPart(required = true) MultipartFile file) {
        logger.info("File Upload:{}", file);
        return "sucessfull";
    }
}

application.yaml

yaml 复制代码
spring:
  servlet:
    multipart:
      max-file-size: 5MB
      max-request-size: 5MB
      enabled: true
      location: ${java.io.tmpdir}

app:
  openapi:
    dev-url: http://localhost:8080
    prod-url: https://api.qwfys.com/sample


参考文献

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