@RestController
@RequestMapping("/third/part")
public class Oss {
/*
* spring.application.name=gulimal-third-part
spring.cloud.nacos.config.server-addr=127.0.0.1:8848
spring.cloud.alicloud.access-key=LTAI5tG4LiScfpGKJ97oFYTN
spring.cloud.alicloud.secret-key=JH2H7g4d93FtIVZy0NaETN1lhbUE2b
spring.cloud.alicloud.oss.endpoint=oss-cn-beijing.aliyuncs.com
spring.redis.host=192.168.56.10
* */
    @Autowired
    private OSS ossClient;

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

    @Value("${spring.cloud.alicloud.secret-key}")
    String accessKey;

    @Value("${spring.cloud.alicloud.oss.endpoint}")
    String endpoint;

    /**
     * 檔案上傳
     */
    @RequestMapping("/getSign")
    public R upload() {
        Map<String, String> respMap = null;
        String bucket = "guli-mal"; // 請填寫您的 bucketname 。
        String host = "https://" + bucket + "." + endpoint; // host的格式為 bucketname.endpoint
        // callbackUrl為上傳回調伺服器的URL，請將下面的IP和Port配置為您自己的真實資訊。
//        String callbackUrl = "http://88.88.88.88:8888";
        String format = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        String dir = format + "/"; // 使用者上傳檔案時指定的字首。
        try {
            long expireTime = 30;
            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
            Date expiration = new Date(expireEndTime);
            // PostObject請求最大可支援的檔案大小為5 GB，即CONTENT_LENGTH_RANGE為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));
        } catch (Exception e) {
            // Assert.fail(e.getMessage());
            System.out.println(e.getMessage());
        } finally {
            ossClient.shutdown();
        }
        return R.ok().put("data",respMap);
    }
}