Declare Plugins

pluginManagement {repositories {gradlePluginPortal()google()mavenCentral()}
}dependencyResolutionManagement {repositoriesMode = RepositoriesMode.PREFER_SETTINGSrepositories {gradlePluginPortal()google()mavenCentral()}
}buildscript {repositories {gradlePluginPortal()google()mavenCentral()}
}plugins {id("org.jetbrains.kotlin.jvm") version "2.0.21" apply falseid("org.jetbrains.kotlin.kapt") version "2.0.21" apply falseid("org.jetbrains.kotlin.plugin.spring") version "2.0.21" apply falseid("org.springframework.boot") version "3.4.1" apply false
}include("alibaba-cloud-oss")

Introduce Denpendencies

plugins {id("org.jetbrains.kotlin.jvm")id("org.jetbrains.kotlin.kapt")id("org.jetbrains.kotlin.plugin.spring")id("org.springframework.boot")
}java {toolchain {languageVersion = JavaLanguageVersion.of(17)}
}dependencies {val springBootVersion = "3.4.1"val springCloudVersion = "4.2.0"val springCloudAlibabaVersion = "2023.0.3.2"// commonsapi("io.github.hellogoogle2000:kotlin-commons:1.0.19")// kotlinapi("org.jetbrains.kotlin:kotlin-reflect:2.0.21")// springapi("org.springframework.boot:spring-boot-starter:$springBootVersion")api("org.springframework.boot:spring-boot-starter-web:$springBootVersion")api("org.springframework.cloud:spring-cloud-starter-bootstrap:$springCloudVersion")// spring cloud alibaba ossapi("com.aliyun.oss:aliyun-sdk-oss:3.18.1")
}

OSS Application

package x.spring.helloimport org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.runApplication@SpringBootApplication
class AliyunOssApplicationfun main(args: Array<String>) {runApplication<AliyunOssApplication>(*args)
}

OSS Config

package x.spring.hello.componentimport com.aliyun.oss.OSS
import com.aliyun.oss.OSSClientBuilder
import org.springframework.context.annotation.Bean
import org.springframework.stereotype.Component@Component
class OssConfig {@Beanfun getOssClient(): OSS {val endpoint = "oss-cn-guangzhou.aliyuncs.com"val accessKey = "LTAI6tABn7ALsMdXJ1jTyQit"val secretKey = "mdy9CpZVZySHSYkCILFsNqs0tg8b6h"val oss = OSSClientBuilder().build(endpoint, accessKey, secretKey)return oss}
}

OSS Controller

package x.spring.hello.controllerimport com.aliyun.oss.OSS
import com.aliyun.oss.model.GetObjectRequest
import jakarta.servlet.http.HttpServletResponse
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.core.io.InputStreamResource
import org.springframework.core.io.Resource
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.PostMapping
import org.springframework.web.bind.annotation.ResponseBody
import org.springframework.web.bind.annotation.RestController
import org.springframework.web.multipart.MultipartFile@RestController
class OssController {@Autowiredprivate lateinit var oss: OSS@PostMapping("oss/upload")fun upload(bucket: String,name: String,extension: String,file: MultipartFile): String {val result = oss.putObject(bucket, "$name.$extension", file.inputStream)val resourceTag = result.eTagreturn "uploaded $resourceTag"}@PostMapping("oss/download")fun download(bucket: String,objectName: String,response: HttpServletResponse): Resource {val request = GetObjectRequest(bucket, objectName)val ossObject = oss.getObject(request)val contentType = ossObject.objectMetadata.contentTypeval resource = InputStreamResource(ossObject.objectContent)response.contentType = contentTypereturn resource}@ResponseBody@GetMapping("oss/query")fun query(bucket: String): Any {val summaries = oss.listObjects(bucket).objectSummariesreturn summaries}
}