阿里云OSS存储整合若依框架，SpringBoot

阿里云OSS文档
阿里云服务文档

Cannot resolve com.alibaba.cloud:aliyun-oss-spring-boot-starter:unknown
参考博客

解决方案

        <!-- SpringCloud Ailibaba OSS -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>aliyun-oss-spring-boot-starter</artifactId>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>aliyun-oss-spring-boot-starter</artifactId>
                <version>1.0.0</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
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启动报错：
Description:
Field ossClient in com.rymall.file.service.OssSysFileServiceImpl required a bean of type ‘com.aliyun.oss.OSSClient’ that could not be found.
The injection point has the following annotations:
- @org.springframework.beans.factory.annotation.Autowired(required=true)
Action:
Consider defining a bean of type ‘com.aliyun.oss.OSSClient’ in your configuration.
Process finished with exit code 1

参考网址
github OSS中的ISSUE

解决方案：

  @Autowired
private OSSClient ossClient;
应该改为

	@Autowired
	private OSS ossClient;
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Oss endpoint can’t be empty.

启动配置正确写法

alibaba:
  cloud:
    access-key: 8YmeeBJBg
    secret-key: IFJn2P8GylI
    oss:
      endpoint: oss-cn-shenzhen.aliyuncs.com
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注意图片配置alibaba是父节点

文件过服务器，再转阿里OSS

package com.rymall.file.service;

import com.aliyun.oss.*;
import com.aliyun.oss.model.Callback;
import com.rymall.file.config.MinioConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.InputStream;

import static com.rymall.file.utils.FileUploadUtils.extractFilename;


@Primary
@Service
public class OssSysFileServiceImpl implements ISysFileService {

    @Autowired
    private OSS ossClient;

    /**
     * 本地文件上传接口
     *
     * @param file 上传的文件
     * @return 访问地址
     * @throws Exception
     */
    public String uploadFile(MultipartFile file) throws Exception {

        try {
//            将MultipartFile转为文件流
            InputStream inputStream = file.getInputStream();
            // 创建PutObject请求。
            //extractFilename 若依框架生成文件名字
            ossClient.putObject("rymall-product", extractFilename(file), inputStream);

        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return null;
    }
}

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alibaba:
  cloud:
    access-key: LTAI5tLbJvNXyWs4gEMxw5XE
    secret-key: g5D1D0FJT6zqAECy9nRSZnxNGTk48k
    oss:
      endpoint: oss-cn-shenzhen.aliyuncs.com
      bucket: rymall-product
      host: https://rymall-product.oss-cn-shenzhen.aliyuncs.com
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  @Autowired
    private OSS ossClient;


    @Value("${alibaba.cloud.oss.bucket}")
    private String bucket;

    @Value("${alibaba.cloud.oss.endpoint}")
    private String endpoint;


    @Value("${alibaba.cloud.oss.host}")
    private String host;

    @Value("${alibaba.cloud.access-key}")
    private String accessId;

    @Value("${alibaba.cloud.secret-key}")
    private String accessKey;
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   @Override
    public Map<String, String> policy(){



        // 设置上传到OSS文件的前缀，可置空此项。置空后，文件将上传至Bucket的根目录下。
        String dir = "test/";

        OSSClient client = new OSSClient(endpoint, accessId, accessKey);
        Map<String, String> respMap = new LinkedHashMap<String, String>();
        try {
//            过期时间秒
            long expireTime = 3000;
            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
            Date expiration = new Date(expireEndTime);
            PolicyConditions policyConds = new PolicyConditions();
            policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
            policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);

            String postPolicy = client.generatePostPolicy(expiration, policyConds);
            byte[] binaryData = postPolicy.getBytes("utf-8");
            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
            String postSignature = client.calculatePostSignature(postPolicy);
            respMap.put("accessid", accessId);
            respMap.put("policy", encodedPolicy);
            respMap.put("signature", postSignature);
            respMap.put("dir", dir);
            respMap.put("host", host);
            respMap.put("expire", String.valueOf(expireEndTime / 1000));
            return respMap;
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }
        return respMap;
    }
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