更改抓拍照片的格式为png

src/components/FaceRecognition/FaceRecognition.vue

@@ -187,24 +187,26 @@ export default {
         var context = canvas.getContext("2d");
         context.drawImage(video, 0, 0, 220, 165);
 
-        canvas.toBlob(resolve, "image/jpeg", 0.95);
+        canvas.toBlob(resolve, "image/png", 0.95);
       });
     },
     async uploadToServer(captureBlob) {
       //保存抓拍照片到服务器
       // var fileName = new Date().getTime() + ".png";
       // var fileUrl = "/api/exchange/inner/upyun/put/capturePhoto/" + fileName;
-      var fileUrl = "/api/exchange/inner/upyun/put/capturePhoto/jpg";
+      var fileUrl = "/api/exchange/inner/upyun/put/capturePhoto/png";
       let resultUrl;
       try {
         const res = await this.$http.put(fileUrl, captureBlob, {
           headers: {
-            "Content-Type": "image/jpg"
+            "Content-Type": "image/png"
           }
         });
         resultUrl = res.data;
+        this.serverLog("debug/S-005001", "抓拍照片保存成功：" + resultUrl);
       } catch (e) {
         console.log(e);
+        this.serverLog("debug/S-006001", "抓拍照片保存失败");
         this.$Message.error("保存抓拍照片到服务器失败！");
         throw "保存抓拍照片到服务器失败！";
       }