uniapp对接oss视频上传+压缩

module.exports = {
  getUUID() { //生成UUID
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
      return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
    })
  },
  beforeUpload({
    file,
    module
  }) {
    let _self = this;
    return new Promise((resolve, reject) => {
      this.policy(module)
        .then(response => {
          resolve({
            policy: response.data.policy,
            signature: response.data.signature,
            ossaccessKeyId: response.data.accessid,
            key: response.data.dir + this.getUUID() + "${filename}",
            dir: response.data.dir,
            host: response.data.host
          });
        })
        .catch(err => {
          reject(err);
        });
    });
  },
  policy(module) {
    return new Promise((resolve, reject) => {
      uni.request({
                // 在这改获取oss签证的接口
        url: 'http://获取签证的接口/' + 'oss',
        data: {
          module
        },
        success: (res) => {
          if (res.data.success) {
            resolve(res.data)
          } else {
            reject(res)
          }
        },
        fail: (err) => {
          reject(err)
        }
      });
    })
  },
  uploadFile({
    file,
    module,
    response,
    limit = 5242880
  }) {
    console.log("uploadFile: ", {
      file,
      module,
      response
    })
    // 限制5M,单位B
    if (!file) {
      uni.showToast({
        title: "读取文件失败",
        icon: 'none'
      });
      return false;
    }
    if (file.size > limit) {
      uni.showToast({
        title: "超过限制大小",
        icon: 'none'
      });
      return false;
    }
    let filename = file.path.substr(file.path.lastIndexOf("/") + 1)
    this.beforeUpload({
      file,
      module
    }).then(res => {
      let options = {
        url: res.host,
        name: 'file',
        filePath: file.path,
        formData: res,
        success: ossCallBack => {
          console.log({
            ossCallBack,
            filename
          })
          response(res.host + "/" + res.key.replace("${filename}", filename))
        },
        fail: console.error
      }
      console.log(options)
      uni.uploadFile(options)
    }).catch(console.error)
  }
}

<script>
const oss = require('@/utils/oss.js');
export default {
    methods: {
    upload(file, { contentType }) {
      console.log({ file });
      console.log({ contentType });
      let messageType = '';
      let content = file.path;
      let limit;
      switch (contentType) {
        case 1:
          messageType = 'IMAGE';
          limit = 2097152;
          break;
        case 4:
          messageType = 'VIDEO';
          limit = 10485760;
          break;
      }
      oss.uploadFile({
        file,
        module: 'chat',
        limit,
        response: filePath => {
          console.log('File upload success!');
          console.log({ filePath });
                    // 上传完成结束回调
        }
      });
    },
    onImage() {
      uni.chooseImage({
        sourceType: ['album'],
        success: res => {
          res.tempFiles.forEach(file => {
            this.upload(file, {
              contentType: 1
            });
          });
        }
      });
    },
    onVideo() {
      uni.chooseVideo({
        count: 1,
        compressed: true,
        sourceType: ['album', 'camera'],
        success: res => {
          console.log({ res });
                    // 这块是自定义压缩，需要在上方compressed设置为false关闭默认上传压缩
          // console.log('压缩前大小：: ', res.size / (1024 * 1024) + 'KB');
          // uni.getVideoInfo({
          //  src: res.tempFilePath,
          //  success: ({ fps, bitrate }) => {
          //    console.log({ fps, bitrate });
          //    uni.compressVideo({
          //      src: res.tempFilePath,
          //      quality: 'high',
          //      bitrate,
          //      fps,
          //      resolution: 1,
          //      success: res => {
          //        console.log({ res });
          //        console.log('压缩后大小：: ', res.size / (1024 * 1024) + 'KB');
          //        this.upload({ path: res.tempFilePath, size: res.size }, { contentType: 4 });
          //      }
          //    });
          //  }
          // });
          console.log('视频大小：: ', res.size / (1024 * 1024) + 'KB');
          this.upload({ path: res.tempFilePath, size: res.size }, { contentType: 4 });
        }
      });
    },
    onShoot() {
      uni.chooseImage({
        sourceType: ['camera'],
        success: res => {
          this.upload(res.tempFiles[0], {
            contentType: 1
          });
        }
      });
    }
  }
};
</script>