SpringBoot集成阿里云OSS图片上传

<!-- 图片上传 SDK 阿里云oss --><dependency> <groupId>com.aliyun.oss</groupId> <artifactId>aliyun-sdk-oss</artifactId> <version>2.8.3</version></dependency>

bucketName: "空间名称" accessKeyId: "你的accessKeyId" accessKeySecret: "你的accessKeySecret" #OSS对应的区域 endpoint: http://oss-cn-beijing.aliyuncs.com

/** * OssUtil.java * com.prereadweb.utils * Copyright (c) 2019, 北京链天下科技有限公司版权所有. */package com.prereadweb.utils; import com.aliyun.oss.OSSClient;import com.aliyun.oss.model.ObjectMetadata;import com.aliyun.oss.model.PutObjectResult;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Value;import org.springframework.stereotype.Component;import org.springframework.util.StringUtils;import org.springframework.web.multipart.MultipartFile; import java.io.IOException;import java.io.InputStream;import java.net.URL;import java.util.Date;import java.util.List;import java.util.Random; /** * @Description: 阿里云OSS服务器工具类 * @author: Yangxf * @date: 2019/4/18 16:26 */@Componentpublic class OssUtil {   protected static final Logger log = LoggerFactory.getLogger(OssUtil.class);   @Value("${aliyun.endpoint}")  private String endpoint;  @Value("${aliyun.accessKeyId}")  private String accessKeyId;  @Value("${aliyun.accessKeySecret}")  private String accessKeySecret;  @Value("${aliyun.bucketName}")  private String bucketName;   //文件存储目录  private String filedir = "userImg/";   /**   *   * 上传图片   * @param file   * @return   */  public String uploadImg2Oss(MultipartFile file) {    if (file.getSize() > 1024 * 1024 *20) {      return "图片太大";//RestResultGenerator.createErrorResult(ResponseEnum.PHOTO_TOO_MAX);    }    String originalFilename = file.getOriginalFilename();    String substring = originalFilename.substring(originalFilename.lastIndexOf(".")).toLowerCase();    Random random = new Random();    String name = random.nextInt(10000) + System.currentTimeMillis() + substring;    try {      InputStream inputStream = file.getInputStream();      this.uploadFile2OSS(inputStream, name);      return name;//RestResultGenerator.createSuccessResult(name);    } catch (Exception e) {      return "上传失败";//RestResultGenerator.createErrorResult(ResponseEnum.PHOTO_UPLOAD);    }  }   /**   * 上传图片获取fileUrl   * @param instream   * @param fileName   * @return   */  private String uploadFile2OSS(InputStream instream, String fileName) {    String ret = "";    try {      //创建上传Object的Metadata      ObjectMetadata objectMetadata = new ObjectMetadata();      objectMetadata.setContentLength(instream.available());      objectMetadata.setCacheControl("no-cache");      objectMetadata.setHeader("Pragma", "no-cache");      objectMetadata.setContentType(getcontentType(fileName.substring(fileName.lastIndexOf("."))));      objectMetadata.setContentDisposition("inline;filename=" + fileName);      //上传文件       OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);      PutObjectResult putResult = ossClient.putObject(bucketName, filedir + fileName, instream, objectMetadata);      ret = putResult.getETag();    } catch (IOException e) {      log.error(e.getMessage(), e);    } finally {      try {        if (instream != null) {          instream.close();        }      } catch (IOException e) {        e.printStackTrace();      }    }    return ret;  }   public static String getcontentType(String FilenameExtension) {    if (FilenameExtension.equalsIgnoreCase(".bmp")) {      return "image/bmp";    }    if (FilenameExtension.equalsIgnoreCase(".gif")) {      return "image/gif";    }    if (FilenameExtension.equalsIgnoreCase(".jpeg") ||        FilenameExtension.equalsIgnoreCase(".jpg") ||        FilenameExtension.equalsIgnoreCase(".png")) {      return "image/jpeg";    }    if (FilenameExtension.equalsIgnoreCase(".html")) {      return "text/html";    }    if (FilenameExtension.equalsIgnoreCase(".txt")) {      return "text/plain";    }    if (FilenameExtension.equalsIgnoreCase(".vsd")) {      return "application/vnd.visio";    }    if (FilenameExtension.equalsIgnoreCase(".pptx") ||        FilenameExtension.equalsIgnoreCase(".ppt")) {      return "application/vnd.ms-powerpoint";    }    if (FilenameExtension.equalsIgnoreCase(".docx") ||        FilenameExtension.equalsIgnoreCase(".doc")) {      return "application/msword";    }    if (FilenameExtension.equalsIgnoreCase(".xml")) {      return "text/xml";    }    return "image/jpeg";  }   /**   * 获取图片路径   * @param fileUrl   * @return   */  public String getImgUrl(String fileUrl) {    if (!StringUtils.isEmpty(fileUrl)) {      String[] split = fileUrl.split("/");      String url = this.getUrl(this.filedir + split[split.length - 1]);      return url;    }    return null;  }   /**   * 获得url链接   *   * @param key   * @return   */  public String getUrl(String key) {    // 设置URL过期时间为10年 3600l* 1000*24*365*10    Date expiration = new Date(new Date().getTime() + 3600l * 1000 * 24 * 365 * 10);    // 生成URL    OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);    URL url = ossClient.generatePresignedUrl(bucketName, key, expiration);    if (url != null) {      return url.toString();    }    return null;  }    /**   * 多图片上传   * @param fileList   * @return   */  public String checkList(List<MultipartFile> fileList) {    String fileUrl = "";    String str = "";    String photoUrl = "";    for(int i = 0;i< fileList.size();i++){      fileUrl = uploadImg2Oss(fileList.get(i));      str = getImgUrl(fileUrl);      if(i == 0){        photoUrl = str;      }else {        photoUrl += "," + str;      }    }    return photoUrl.trim();  }   /**   * 单个图片上传   * @param file   * @return   */  public String checkImage(MultipartFile file){    String fileUrl = uploadImg2Oss(file);    String str = getImgUrl(fileUrl);    return str.trim();  }}

/**   * @Function: 用户图片上传   * @author:  Yangxf   * @Date:   2019/4/17 15:42   */  @PostMapping("/postfile")  public Object fileUpload(@RequestParam(value = "userImg", required = false) MultipartFile file, @RequestParam(value = "userId", required = false) Long userId) {    return personalService.fileUpload(file, userId);  }

/**   * @Function: 用户头像上传   * @author:  YangXueFeng   * @Date:   2019/4/18 16:15   * @param:   * @return:   */  @Override  public Map<String, Object> fileUpload(MultipartFile file, Long userId) {    Map<String, Object> map = new HashMap<>();    if (Util.isEmpty(file)) {      System.out.println("文件为空空");      return checkNull(map);    }    UserEntity user = userMapper.fetchUser(userId);    if(Util.isEmpty(user)){      map.put("code", UserStatusEnum.USER_NOT_EXISTENCE.intKey());      map.put("msg", UserStatusEnum.USER_NOT_EXISTENCE.value());      return map;    }    String url = ossUtil.checkImage(file);    String[] imgUrls = url.split("//?");    updateUrl(userId, imgUrls[0]);    Map<String, Object> returnMap = new HashMap<>();    returnMap.put("imageUrl", imgUrls[0]);    map.put("data", returnMap);    returnSuccess(map);    return map;  }