Django表单和选择字段
我有以下型号:Django表单和选择字段,django,django-models,django-forms,Django,Django Models,Django Forms,我有以下型号: class StraightredTeam(models.Model): teamid = models.IntegerField(primary_key=True) teamname = models.CharField(max_length=36) country = models.CharField(max_length=36,null=True) stadium = models.CharField(max_length=36,null=T
class StraightredTeam(models.Model):
teamid = models.IntegerField(primary_key=True)
teamname = models.CharField(max_length=36)
country = models.CharField(max_length=36,null=True)
stadium = models.CharField(max_length=36,null=True)
homepageurl = models.TextField(null=True)
wikilink = models.TextField(null=True)
teamcode = models.CharField(max_length=5,null=True)
teamshortname = models.CharField(max_length=24,null=True)
currentteam = models.PositiveSmallIntegerField(null=True)
def natural_key(self):
return self.teamname
class Meta:
managed = True
db_table = 'straightred_team'
我使用此模型的形式如下:
from django import forms
from straightred.models import StraightredTeam
class SelectTwoTeams(forms.Form):
currentTeams = StraightredTeam.objects.filter(currentteam = 1).order_by('teamname')
team_one = forms.ModelChoiceField(queryset = currentTeams, to_field_name = "teamname")
这将生成以下html:
<form action="" method="post">
<input type='hidden' name='csrfmiddlewaretoken' value='xyz' />
<tr><th><label for="id_team_one">Team one:</label></th><td><select id="id_team_one" name="team_one">
<option value="" selected="selected">---------</option>
<option value="Arsenal">StraightredTeam object</option>
<option value="Aston Villa">StraightredTeam object</option>
<option value="Bournemouth">StraightredTeam object</option>
<option value="Chelsea">StraightredTeam object</option>
<option value="Crystal Palace">StraightredTeam object</option>
<option value="Everton">StraightredTeam object</option>
<option value="Leicester">StraightredTeam object</option>
<option value="Liverpool">StraightredTeam object</option>
<option value="Man City">StraightredTeam object</option>
<option value="Man United">StraightredTeam object</option>
<option value="Newcastle">StraightredTeam object</option>
<option value="Norwich">StraightredTeam object</option>
<option value="Southampton">StraightredTeam object</option>
<option value="Stoke">StraightredTeam object</option>
<option value="Sunderland">StraightredTeam object</option>
<option value="Swansea">StraightredTeam object</option>
<option value="Tottenham">StraightredTeam object</option>
<option value="Watford">StraightredTeam object</option>
<option value="West Brom">StraightredTeam object</option>
<option value="West Ham">StraightredTeam object</option>
</select></td></tr>
<input type="submit" value="Submit" />
</form>
我希望StraightredTeam对象显示与值部分相同的内容。即足球队/足球队的名称
任何给我指出正确方向的建议都是理想的,非常感谢,Alan。选择标签是在django表单中通过将对象转换为unicode python 2.x或字符串python 3.x创建的。如果您想在这里显示teamname,只需创建_unicode__Python2.x,您还可以创建uuu str_uuu方法,并使用从django.utils.encoding导入的python_u2_uUnicode_uCompatible来装饰对象,这样它将与python 2.x和3.x或uuu str_uuuuPython 3.x方法兼容,该方法将返回字符串以显示为选择标签。选择标签是通过将对象转换为unicode在django表单中创建的python 2.x或字符串python 3.x。如果您想在这里显示teamname,只需创建_unicode__Python2.x,此外,您还可以创建uuu str_uuu方法,并使用从django.utils.encoding导入的python_u2_uUnicode_u兼容来装饰对象,这样它将与python 2.x和3.x或uuu str_uuuPython 3.x方法兼容,这些方法将返回字符串以显示为选择标签。如果您在计算机上使用python 3,则需要定义一个uu unicode_ustru_u方法或u模型
class StraightredTeam(models.Model):
...
def __unicode__(self): # __str__ on Python 3
return self.teamname
但是请注意,您不应该在字段定义中使用to_field_name属性。默认设置是使用ID,这是允许Django正确设置外键的正确值。如果您在模型上使用Python 3,则需要定义一个uuu unicode方法或u str
class StraightredTeam(models.Model):
...
def __unicode__(self): # __str__ on Python 3
return self.teamname
但是请注意,您不应该在字段定义中使用to_field_name属性。默认设置是使用ID,这是允许Django正确设置外键的正确值。一般来说,经验法则是,如果两个答案都正确-最老的答案通常会被选为答案。一般来说,经验法则是,如果两个答案都是正确的,最老的答案通常会被选为答案