检测抓拍照片重复的md5

src/components/FaceRecognition/FaceRecognition.vue

@@ -534,6 +534,8 @@ export default {
         );
         // console.log(fileMd5);
         // console.log(fileMd5, fileMd5Base64);
+        this.__duplicateMD5 = window.__previousPhotoMD5 === fileMd5Base64;
+        window.__previousPhotoMD5 = fileMd5Base64;
 
         const params = new URLSearchParams();
         params.append("fileSuffix", "png");
@@ -760,6 +762,7 @@ export default {
             examRecordDataId,
             cameraInfos,
             hasVirtualCamera,
+            duplicateMD5: this.__duplicateMD5,
           });
         }
         const res = await this.$http.post(