优化金额类数据的处理，限制长度

photo_review/util/data_util.py

@@ -8,9 +8,12 @@ def handle_decimal(string):
         return ""
     string = re.sub(r'[^0-9.]', '', string)
     if "." not in string:
-        return string
+        front = string
-    front, back = string.rsplit('.', 1)
+        back = ""
-    front = front.replace(".", "")
+    else:
+        front, back = string.rsplit('.', 1)
+        front = front.replace(".", "")
+
     front = front[-16:]
     if back:
         back = "." + back