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ORM操作: class UserInfo(models.Model): username = models.CharField(max_length=32) password = models.CharField(max_length=64) dp = models.ForeignKey(to=' 阅读全文
posted @ 2017-06-06 16:06
40块钱抓娃娃
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from django import forms from django.forms import fields class UserInfo(forms.Form): username = fields.CharField(required=True,error_messages={ 'requi 阅读全文
posted @ 2017-06-06 16:04
40块钱抓娃娃
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数据查询中万能的下划线基本用法: 聚合: Q 语句: 默认是AND >>> from django.db.models import Q >>> Q(put_date__year = '2016') <Q: (AND: ('put_date__year', '2016'))> AND >>> Q(p 阅读全文
posted @ 2017-06-06 16:01
40块钱抓娃娃
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