uniapp：图片、视频、音频文件上传

const maxCount = fileMap.imageUrls ? fileMap.maxSize - fileMap.imageUrls.length : fileMap.maxSize; // 限制最多可以选择的图片张数
uni.chooseMedia({
  count: maxCount,
  mediaType: ["image"],
  sizeType: ["compressed"],
  camera: "back",
  success: (res) => {
    const tempFiles = res.tempFiles;
    const accept = ["jpg", "jpeg", "png", "JPG", "JPEG", "PNG"];
    let fail = false;
    tempFiles.forEach((item, index) => {
      console.log("压缩之后的图片大小", item.size)
      const extension = item.tempFilePath
        .split(".")[1];
      if (accept.indexOf(extension) === -1 || Number(item.size) >
        Number(
          5242880) ||
        fileMap.imageUrls.length >= fileMap.maxSize
      ) {
        fail = true;
      } else {
        this.uploadFile(item, fileMap);
      }
    });
    if (fail) {
      uni.showToast({
        title: `仅支持照片文件，最大支持5M，最多传${fileMap.maxSize}张`,
        icon: "none",
        duration: 3000,
      });
    }
  },
});

<audio
              style="text-align: left"
              :src="item.audio"
              poster="https://www.hfkxjf.com/lydev/fins-appzhany/base/downloadFile?fastDfsUrl=iNRJ4KmH0Qt9DoURdo2DQNUv1FhGdNRTO6dpOlHF2YQrOjG/1f7yE5uBu2HU/1a38E2J4gZ/7c2lTeVRj+ItrHJpXvex7D1P54m3YCkFTzw="
              :name="'音频' + index"
              :author="'作者' + index"
              :action="{ method: 'pause' }"
              controls
            ></audio>