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45 lines
1.9 KiB
45 lines
1.9 KiB
2 years ago
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from django import forms
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from django.core.exceptions import ValidationError
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from apps.goods.models import *
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from apps.goods.views import *
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class GoodsCateForm(forms.Form):
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name = forms.CharField(label='分类名称', min_length=2, widget=forms.widgets.TextInput(
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attrs={'class': 'form-control', 'placeholder': '请输入分类名称'}),
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error_messages={'required': '分类名称不能为空！', 'min_length': '长度最小2位'})
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parent_id = forms.CharField(label='选择父类', max_length=20, required=True,
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widget=forms.widgets.Select(
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attrs={'class': 'form-control custom-select', 'placeholder': '选择父类'}),
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error_messages={'required': '请选择父类'})
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sort = forms.CharField(label='排序', widget=forms.widgets.TextInput(
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attrs={'class': 'form-control', 'placeholder': '请输入数字'}), error_messages={'required': '排序不能为空'})
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logo = forms.ImageField(label='分类图片', required=False,
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widget=forms.widgets.FileInput(attrs={'class': 'custom-file-input'}))
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def __init__(self, *args, **kwargs):
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super(GoodsCateForm, self).__init__(*args, **kwargs)
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cate_all = GoodsCategory.objects.all()
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self.alist = [('', '请选择...')]
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self.fields['parent_id'].widget.choices = self.bind_data(cate_all, 0, 1)
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def bind_data(self, datas, _id, n):
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if _id == 0:
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datas = datas.filter(parent__isnull=True)
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else:
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datas = datas.filter(parent_id=id)
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for data in datas:
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self.alist.append((data.id, self.space_length(n) + data.name))
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self.bind_data(datas, data.id, n+2)
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print(self.alist)
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return self.alist
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@staticmethod
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def space_length(i):
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space = ''
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for j in range(1, i):
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space += '--'
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return space + '|--'
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