springboot上传到阿里OSS

 阿里OSS文档

Bucket存储空间Object对象或者文件EndpointOSS 访问域名

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配置文件

alibaba: cloud: access-key: LTAI4GAx***cmUvBy3DHmeJh secret-key: UHLJorhm***p9xObtSr7bprErS1t6J oss: endpoint: oss-cn-shenzhen.aliyuncs.com bucket: xx-hzxx @RestController @RequestMapping("thirdparty") public class OssController { @Autowired OSS ossClient; @Value("${alibaba.cloud.oss.endpoint}") private String endpoint; @Value("${alibaba.cloud.oss.bucket}") private String bucket; @Value("${alibaba.cloud.access-key}") private String accessId; @RequestMapping("/oss/policy") public R policy(){ // host的格式为 bucketname.endpoint String host = "https://" + bucket + "." + endpoint; // callbackUrl为 上传回调服务器的URL，请将下面的IP和Port配置为您自己的真实信息。 String callbackUrl = "http://88.88.88.88:8888"; // 用户上传文件时指定的前缀，也就是目录 String format = new SimpleDateFormat("YYYY-MM-dd").format(new Date()); String dir = format; // 创建OSSClient实例,引入自动依赖注入，这里不需要再new了 // OSS ossClient = new OSSClientBuilder().build(endpoint, accessId, accessKey); Map<String, String> respMap = null; try { long expireTime = 30; long expireEndTime = System.currentTimeMillis() + expireTime * 1000; Date expiration = new Date(expireEndTime); // PostObject请求最大可支持的文件大小为5 GB，即CONTENT_LENGTH_RANGE为5*1024*1024*1024。 PolicyConditions policyConds = new PolicyConditions(); policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000); policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir); String postPolicy = ossClient.generatePostPolicy(expiration, policyConds); byte[] binaryData = postPolicy.getBytes("utf-8"); String encodedPolicy = BinaryUtil.toBase64String(binaryData); String postSignature = ossClient.calculatePostSignature(postPolicy); respMap = new LinkedHashMap<String, String>(); respMap.put("accessid", accessId); respMap.put("policy", encodedPolicy); respMap.put("signature", postSignature); respMap.put("dir", dir); respMap.put("host", host); respMap.put("expire", String.valueOf(expireEndTime / 1000)); // respMap.put("expire", formatISO8601Date(expiration)); /* JSONObject jasonCallback = new JSONObject(); jasonCallback.put("callbackUrl", callbackUrl); jasonCallback.put("callbackBody", "filename=${object}&size=${size}&mimeType=${mimeType}&height=${imageInfo.height}&width=${imageInfo.width}"); jasonCallback.put("callbackBodyType", "application/x-www-form-urlencoded"); String base64CallbackBody = BinaryUtil.toBase64String(jasonCallback.toString().getBytes()); respMap.put("callback", base64CallbackBody); */ } catch (Exception e) { // Assert.fail(e.getMessage()); System.out.println(e.getMessage()); } finally { ossClient.shutdown(); } return R.ok().put("data", respMap); } }