enroll app修改

comments/serializers.py

@@ -0,0 +1,25 @@
+from rest_framework import serializers
+from .models import *
+
+
+class CommentsInfo(serializers.ModelSerializer):
+    class Meta:
+        model = Comments
+        fields = ['content', 'post_time']
+
+    post_time = serializers.DateTimeField(label="发布时间", required=False)
+    content = serializers.CharField(label="弹幕内容", max_length=50, required=True)
+
+    def validate_content(self, value):
+        ban = ['!', '@', '#', '$', '%', '^', '&', '*', '(', ')', "_", "-"]
+        for i in ban:
+            if i in value:
+                raise serializers.ValidationError('非法字符')
+
+        if len(value) > 50:
+            raise serializers.ValidationError("弹幕过长")
+        elif len(value) == 0:
+            raise serializers.ValidationError("输入不能为空")
+
+
+        return value