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[英]Django Rest Framework - CreateAPIView ForeignKey lookup fields
[英]How to use filters on Foreignkey Fields in Django Rest Framework
在下面的 class 中,“dep”是与员工 model 关联的外键字段。
视图.py
class Sample(ListAPIView)
queryset=Employee.Objects.all()
serializer_class = EmployeeSerializer
filter_backends = [SearchFilter]
search_fields = ['dep']
模型.py
class Employee(models.Model):
FirstName=models.CharField(max_length=30)
LastName = models.CharField(max_length=30)
Salary = models.FloatField()
Email = models.CharField(max_length=35)
Dep =models.Foreignkey(Department)
但是当我将 dep 传递给 endpt 时,它会抛出相关字段得到无效查找:icontains 错误。
您可以使用查找 API 双下划线表示法对 ForeignKey 或 ManyToManyField 执行相关查找__
尝试这个
search_fields = ['DEP__id', 'DEP__field_name']
请参阅此https://www.django-rest-framework.org/api-guide/filtering/
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