代码如下：      

const file = document.getElementById("video1").files[0];
      const reader = new FileReader();
      reader.onload = function() {
        const ok_video_base64 = this.result.split(",")[1];
        that
          .$axios({
            url: `https://aip.baidubce.com/rest/2.0/face/v1/faceliveness/verify?access_token=${that.access_token}`,
            data: `session_id=${that.session_id}&video_base64=${ok_video_base64}`,
            method: "post",
            headers: { "Content-Type": "application/x-www-form-urlencoded" },
          })
          .then((res) => {
            Indicator.close();
            MessageBox({
              title: "提示",
              message: JSON.stringify(res),
            });
            if (res.data.error_code === 0) {
              // console.log(res.data.result);
              const score = res.data.result.score; // 活体分数
              const thresholds = res.data.result.thresholds["frr_1e-3"]; // 活体阈值
              const similarity = res.data.result.code.similarity; // 语音相似度
              const condition1 = score > thresholds; // 合格条件1：活体分数大于阈值，合格
              const condition2 = similarity > 0.75; // 合格条件2：语音相似度大于0.75，合格
              if (condition1 && condition2) {
                const pic = res.data.result.pic_list[0].pic;
                upLoadImg(
                  null,
                  pic,
                  "renLian",
                  (imgUrl) => {
                    CusToast("人脸识别成功");
                    this.$store.commit("setLivingFaceImg", imgUrl);
                  },
                  () => {
                    CusToast("上传失败");
                  },
                  0
                );
              } else {
                if (!condition1) {
                  MessageBox({
                    title: "提示",
                    message: `分数:${score}，阈值:${thresholds}，分数小于阈值，不合格，请重新录制视频`,
                  });
                }
                if (!condition2) {
                  MessageBox({
                    title: "提示",
                    message: `语音相似度:${similarity}，小于0.75，不合格，请重新录制视频`,
                  }).then(() => that.getBaiduSessionCode());
                }
              }
            } else {
              that.showFaceFailInfo(res.data.error_code);
            }
          })