django基础 --- models过滤条件

• filter，精确匹配，=

Author.objects.filter(id="1")
#select xxx from author where id="1"

• exclude，取反！=

Author.objects.exclude(id="1")
#select xxx from author where id != "1"

• __exact，精确匹配 like "xxx"

Author.objects.filter(name__exact="yang")
#select xxx from author where name like "yang"

• __iexact，精确匹配，忽略大小写 like "xxx"

Author.objects.filter(name__iexact="YANG")
#select xxx from author where name like "YANG"

• __contains，模糊匹配，like "%xxx%"

Author.objects.filter(name__contains="yang")
#select xxx from author where name like "%yang%"

• __icontains，忽略大小写模糊匹配

用法同上

• __gt，大于

Author.objects.filter(id__gt="1")
#select xxx from author where id > 1

• __gte，大于等于

用法同上

• __lt，小于

• __lte，小于等于

• __in，在一个list范围内

Author.objects.filter(id__in=[1,2,3,4,5])
#select xxx from author where id in (1,2,3,4,5)

• __startswith，以xxx开头

Author.objects.filter(name__startswith="y")
#select xxx from author where name like "y%"

• __istartswith， 以xxx开头，忽略大小写

• __endswith，以xxx结尾

• __iendswith，以xxx结尾，忽略大小写

• __range，在xxx范围内

Author.objects.filter(id__range=[1,10])
#select xxx from author where id >= 1 and id <= 10

• __year，日期字段的年份

Author.objects.filter(create_date__year="2015")

• __month 日期字段的月份
• __day 日期字段的日