springboot阿里云OSS功能实现

Controller层

java 复制代码
package com.itheima.controller;

import com.itheima.pojo.Result;
import com.itheima.utils.AliOSSUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.util.UUID;

@Slf4j
@RestController
public class UploadController {
    @Autowired
    private AliOSSUtils aliOSSUtils;
    @PostMapping("/upload")
//    public Result upload(MultipartFile image) throws Exception {
//        String originalFilename = image.getOriginalFilename();
//        int indexOf = originalFilename.lastIndexOf(".");
//        String s = originalFilename.substring(indexOf);
//        String newFileName=UUID.randomUUID().toString()+s;
//        image.transferTo(new File("D:\\getFile\\"+newFileName));
//      return Result.success();
//    }
    public Result upload(MultipartFile image) throws Exception
    {
        log.info("获取到{}",image);
        String url = aliOSSUtils.upload(image);
        log.info("文件上传完成:{}",url);
        return Result.success(url);
    }
}

引入阿里云提供的工具类

java 复制代码
package com.itheima.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;
import java.util.UUID;

/**
 * 阿里云 OSS 工具类
 */
@Component
public class AliOSSUtils {
    @Autowired
    private AliOSSProperties aliOSSProperties;
    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file) throws IOException {
        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();
        String endpoint = aliOSSProperties.getEndpoint();
        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径
        String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
}

该工具类的配置类

java 复制代码
package com.itheima.utils;

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Data
@Component
@ConfigurationProperties(prefix = "aliyun.oss")
public class AliOSSProperties {
    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
}

阿里云oss依赖

java 复制代码
<!-- 阿里云OSS -->
        <dependency>
            <groupId>com.aliyun.oss</groupId>
            <artifactId>aliyun-sdk-oss</artifactId>
            <version>3.15.1</version>
        </dependency>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.1</version>
        </dependency>
        <dependency>
            <groupId>javax.activation</groupId>
            <artifactId>activation</artifactId>
            <version>1.1.1</version>
        </dependency>
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