基于Java、Vue、JavaScript、CSS和HTML的动物救助平台设计源码

package com.loveanimals.loveanimals.controller.admin; import com.aliyun.oss.OSSClient; import com.aliyun.oss.model.ObjectMetadata; import com.aliyun.oss.model.PutObjectResult; import io.swagger.annotations.Api; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.stereotype.Controller; import org.springframework.util.StringUtils; import org.springframework.web.bind.annotation.CrossOrigin; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; 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.HashMap; import java.util.Map; import java.util.Random; /** * @program: * @description: * @author: Mr.Pang * @create: 2021/6/20 21:23 **/ @Api(value = "/tool/oss", description = "图片上传到阿里云OSS") @Controller @CrossOrigin @RequestMapping("/tool/oss") public class OSSClientUtilController { Log log = LogFactory.getLog(OSSClientUtilController.class); //阿里云OSS地址，这里看根据你的oss选择 protected static String endpoint = "http://oss-cn-beijing.aliyuncs.com"; //阿里云OSS账号 protected static String accessKeyId = "LTAI4G1xDMg6Y6ZBYV5oxYBf"; //阿里云OSS密钥 protected static String accessKeySecret = "H2kXQeClTEw0mdVyyJ1cGk7UJMeQpv"; //阿里云OSS上的存储块bucket名字 protected static String bucketName = "pang-mall"; //阿里云图片文件存储目录 private String homeimagedir = "homephoto/"; private OSSClient ossClient; public OSSClientUtilController() { ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret); } /** * 初始化 */ public void init() { ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret); } /** * 销毁 */ public void destory() { ossClient.shutdown(); } /** * 图片 上传阿里云oss * * @param file * @return */ public String uploadHomeImageOSS(MultipartFile file) throws Exception { if (file.getSize() > 1024 * 1024 * 10) { throw new Exception("上传图片大小不能超过10M！"); } 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.uploadHomeImageFileOSS(inputStream, name); return name; } catch (Exception e) { throw new Exception("图片上传失败"); } } /** * 获得图片路径 * * @param fileUrl * @return */ public String getHomeImageUrl(String fileUrl) { if (!StringUtils.isEmpty(fileUrl)) { String[] split = fileUrl.split("/"); return this.getUrl(this.homeimagedir + split[split.length - 1]); } return null; } /** * 图片上传到OSS服务器 如果同名文件会覆盖服务器上的 * * @param instream 文件流 * @param fileName 文件名称 包括后缀名 * @return 出错返回"" ,唯一MD5数字签名 */ public String uploadHomeImageFileOSS(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 PutObjectResult putResult = ossClient.putObject(bucketName, homeimagedir + 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; } /** * 判断OSS服务文件上传时文件的类型contentType * * @param FilenameExtension 文件后缀 * @return String */ 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/jpg"; } /** * 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 URL url = ossClient.generatePresignedUrl(bucketName, key, expiration); if (url != null) { return url.toString(); } return null; } /** * 判断图片 * * @param file * @return * @throws Exception */ public String updateHomeImage(MultipartFile file) throws Exception { OSSClientUtilController ossClient = new OSSClientUtilController(); if (file == null || file.getSize() <= 0) { throw new Exception("图片不能为空"); } String name = ossClient.uploadHomeImageOSS(file); String imgUrl = ossClient.getHomeImageUrl(name); return imgUrl; } //处理文件上传 @RequestMapping(value = "/homeImageUpload", method = RequestMethod.POST) @ResponseBody public Map<String, Object> homeImageUpload(MultipartFile file) { Map<String, Object> value = new HashMap<String, Object>(); value.put("success", true); value.put("errorCode", 0); value.put("errorMsg", ""); try { String head = updateHomeImage(file);//此处是调用上传服务接口 value.put("data", head); } catch (IOException e) { e.printStackTrace(); value.put("success", false); value.put("errorCode", 200); value.put("errorMsg", "图片上传失败"); } catch (Exception e) { e.printStackTrace(); } return value; } }