阿里云服务器-OOS对象存储测试

提交前的后台签名代码：

application.yml

spring:
  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
    alicloud:
      access-key: LTAI4GJrpNijz3gy7yW8iBGu
      secret-key: XKCABBBB4FLWtTCsmpW6KwFAxxcars
      oss:
        endpoint: oss-cn-shanghai.aliyuncs.com
        bucket: gulimall-hello1001
  application:
    name: gulimall-third-party
server:
  port: 30000

测试代码 

package com.atguigu.gulimall.thirdparty.conntroller;

import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.common.utils.BinaryUtil;
import com.aliyun.oss.model.MatchMode;
import com.aliyun.oss.model.PolicyConditions;
import com.atguigu.common.utils.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @Author: xushuqiu
 * @Description:
 * @Date: Create in 16:07 2020/6/25
 */
@RestController
public class OssController {

    @Autowired
    private OSS ossClient;

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

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

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

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

    @RequestMapping("oss/policy")
    public R policcy(){
        Map<String, String> respMap =null;
                String host = "https://" + bucket + "." + endpoint; // host的格式为 bucketname.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";
        String format = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        String dir = format+"/"; // 用户上传文件时指定的前缀。
        // 创建OSSClient实例。
         ossClient = new OSSClientBuilder().build(endpoint, accessId, accessKey);
        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));
        } catch (Exception e) {
            // Assert.fail(e.getMessage());
            System.out.println(e.getMessage());
        } finally {
            ossClient.shutdown();
        }
        return R.ok().put("data",respMap);
    }
}