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50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
from django import forms
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from inventory.models import InventoryTransaction, Product
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class InventoryTransactionForm(forms.ModelForm):
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class Meta:
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model = InventoryTransaction
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fields = ['product', 'quantity', 'notes']
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widgets = {
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'product': forms.Select(attrs={
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'class': 'form-control form-select',
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'aria-label': '商品',
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'style': 'height: 48px; font-size: 16px;'
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}),
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'quantity': forms.NumberInput(attrs={
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'class': 'form-control',
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'min': '1',
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'step': '1',
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'placeholder': '数量',
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'inputmode': 'numeric', # 在移动设备上显示数字键盘
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'aria-label': '数量',
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'autocomplete': 'off', # 防止自动填充
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'pattern': '[0-9]*', # HTML5验证，只允许数字
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'style': 'height: 48px; font-size: 16px;'
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}),
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'notes': forms.Textarea(attrs={
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'rows': 3,
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'class': 'form-control',
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'placeholder': '备注信息',
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'aria-label': '备注'
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}),
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}
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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# 使用select_related优化查询
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self.fields['product'].queryset = Product.objects.all().select_related('category')
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# 添加响应式布局的辅助类
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for field in self.fields.values():
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field.widget.attrs.update({
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'class': field.widget.attrs.get('class', '') + ' mb-2', # 添加下边距
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})
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def clean_quantity(self):
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quantity = self.cleaned_data.get('quantity')
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if quantity is not None and quantity <= 0:
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raise forms.ValidationError('数量必须大于0')
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return quantity |