Spring boot微信小プログラムossに画像をアップロード

バックグラウンドでの署名の取得

public Map getPolicy(String dir) {
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        PolicyConditions policyConds = new PolicyConditions();
        policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
        policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);

        long expireTime = 30;
        long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
        Map respMap = new LinkedHashMap();

        try {
            Date expiration = new Date(expireEndTime);
            String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
            byte[] binaryData = postPolicy.getBytes("utf-8");
            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
            String postSignature = ossClient.calculatePostSignature(postPolicy);


            respMap.put("accessid", accessKeyId);
            respMap.put("policy", encodedPolicy);
            respMap.put("signature", postSignature);
            respMap.put("dir", dir);
            respMap.put("fileName", UUID.randomUUID().toString());
            respMap.put("host", bucketUrl);
            respMap.put("expire", String.valueOf(expireEndTime / 1000));
            respMap.put("callback", "");

            ossClient.shutdown();
            return respMap;
        } catch (UnsupportedEncodingException ex) {
            respMap.put("msg", ex.getMessage());
            return respMap;
        }
    }

 
小さいプログラムの端はピクチャーをアップロードします

changeLogo () {
    let that = this
    let uploadData = {
      dir: "logo"
    }
    //     
    http.httpPost('/api/aliyun/index', uploadData).then((res) => {
      if (res.dir != undefined) {
        wx.chooseImage({
          count: 1, //   9
          sizeType: ['original'], //             ，      
          sourceType: ['album', 'camera'], //              ，      
          success: (sres) => {
            let tempFilePaths = sres.tempFilePaths
            if (tempFilePaths.length > 0) {
              //    tempFilePaths     ，     
              let currentPath = tempFilePaths[0]
              let fileRandName = Date.now() + "" + parseInt(Math.random() * 1000)
              // "http://tmp/wxdc9fb31b489a357b.o6zAJs6pXFprbwemLvExiLPvggNI.zsYxnrUtezDcf465e333c5431588d5adc03a5dec1d91.jpeg"
              //     
              let pathArr = currentPath.split('.')
              let ext = pathArr[3]
              let fileKey = uploadData.dir + '/' + fileRandName + '.' +  ext
              wx.uploadFile({
                url: res.host, 
                filePath: currentPath,
                name: 'file',
                formData: {
                  name: currentPath,
                  key: fileKey,
                  policy:  res.policy,
                  OSSAccessKeyId: res.accessid,
                  signature: res.signature,
                  success_action_status: "200"
                },
                success: (ures) => {
                  if (ures.statusCode == 200) {
                    let car = {
                      id: that.data.id,
          
                      image: res.host + '/' + fileKey,
                      cbid: that.data.cbid,
                      licence: that.data.licence,
                      isDefault: that.data.isdefault,
                      sort: that.data.sort
                    }
                    that.setData({
                      car: car
                    })
                  }
                } 
              })
            }
          }
        })
      }
     }).catch((error) => {
        wx.showToast({
          title: error,
        })
     })

  }