OSS

1.pom.xml依赖

<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>2.8.3</version>
</dependency>

2.aliyun.properties

aliyun.endpoint = http://oss-cn-zhangjiakou.aliyuncs.com
aliyun.accessKeyId = ***********
aliyun.accessKeySecret = ***************
aliyun.bucketName= test-dev
aliyun.urlPrefix=http://test-dev.oss-cn-zhangjiakou.aliyuncs.com/

3.AliyunConfig.java

import com.aliyun.oss.OSSClient;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

@Configuration
@PropertySource("classpath:aliyun.properties")
@ConfigurationProperties(prefix = "aliyun")
@Data
public class AliyunConfig {

    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
    private String urlPrefix;

    @Bean
    public OSSClient oSSClient() {
        return new OSSClient(endpoint, accessKeyId, accessKeySecret);
    }

}

4.PicUploadResul.java

import lombok.Data;

@Data
public class PicUploadResult {

    // 文件唯一标识
    private String uid;
    // 文件名 上传成功后 name = url 返回给用户
    private String name;
    // 状态有：uploading done error removed
    private String status;
    // 服务端响应内容，如：'{"status": "success"}'
    private String response;

}

5.PicUploadService.java

import com.aliyun.oss.OSSClient;
import com.tanhua.sso.config.AliyunConfig;
import com.tanhua.sso.vo.PicUploadResult;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayInputStream;

@Service
public class PicUploadService {

    // 允许上传的格式
    private static final String[] IMAGE_TYPE = new String[]{".bmp", ".jpg",
            ".jpeg", ".gif", ".png"};

    @Autowired
    private OSSClient ossClient;

    @Autowired
    private AliyunConfig aliyunConfig;

    public PicUploadResult upload(MultipartFile uploadFile) {

        PicUploadResult fileUploadResult = new PicUploadResult();

        //图片做校验，对后缀名
        boolean isLegal = false;

        for (String type : IMAGE_TYPE) {
            if (StringUtils.endsWithIgnoreCase(uploadFile.getOriginalFilename(),
                    type)) {
                isLegal = true;
                break;
            }
        }

        if (!isLegal) {
            fileUploadResult.setStatus("error");
            return fileUploadResult;
        }

        // 文件新路径
        String fileName = uploadFile.getOriginalFilename();
        String filePath = getFilePath(fileName);

        // 上传到阿里云
        try {
            // 目录结构：images/2018/12/29/xxxx.jpg
            ossClient.putObject(aliyunConfig.getBucketName(), filePath, new
                    ByteArrayInputStream(uploadFile.getBytes()));
        } catch (Exception e) {
            e.printStackTrace();
            //上传失败
            fileUploadResult.setStatus("error");
            return fileUploadResult;
        }

        // 上传成功
        fileUploadResult.setStatus("done");
        fileUploadResult.setName(this.aliyunConfig.getUrlPrefix() + filePath);
        fileUploadResult.setUid(String.valueOf(System.currentTimeMillis()));

        return fileUploadResult;
    }

    private String getFilePath(String sourceFileName) {
        DateTime dateTime = new DateTime();
        return "images/" + dateTime.toString("yyyy")
                + "/" + dateTime.toString("MM") + "/"
                + dateTime.toString("dd") + "/" + System.currentTimeMillis() +
                RandomUtils.nextInt(100, 9999) + "." +
                StringUtils.substringAfterLast(sourceFileName, ".");
    }

}