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Django choices下拉列表绑定实例

作者：老姥　　发布时间：2023-05-06 14:08:52　

标签：Django,choices,下拉列表,绑定

Models内容

from django.db import models
from django import forms
# Create your models here.

class SysConfigForm(forms.Form):
DatabaseType = forms.ChoiceField(choices=[('sqlserver', 'SQLServer'), ('oracle', 'Oracle')])

class UserInfo(forms.Form):
vip_type = ((0, u'普通用户'),(1, u'高级用户'),)
vip = forms.CharField(widget=forms.widgets.Select(choices=vip_type,attrs={'class':'form-control','with':'25px'}), )

class Months(forms.Form):
list = ((1,u'一月'),(2,u'二月'),(3,u'三月'),(4,u'四月'),(5,u'五月'),(6,u'六月'),
(7, u'七月'),(8,u'八月'),(9,u'九月'),(10,u'十月'),(11,u'十一月'),(12,u'十二月'),)
obj_month = forms.CharField(widget=forms.widgets.Select(choices=list, attrs={'class': 'form-control'}), )

class UserUsesSourceForm(forms.Form):
# some fields here
SOURCES_CHOICES = (
('A', 'A'),
('E', 'E'),
)
username = forms.CharField(label=("Username"), max_length=30, help_text = ("Required"))
provider = forms.ChoiceField(widget=forms.Select(), choices=SOURCES_CHOICES, initial=SOURCES_CHOICES[1])

Views内容

from django.shortcuts import render,HttpResponse
from polls import models
from django.template.loader import get_template

# Create your views here.

def index(request):
obj = models.UserInfo()
if request.method == 'POST':
user_obj = models.UserInfo(request.POST)
if user_obj.is_valid():
print(user_obj.clean())
else:
user_error = user_obj.errors
print (user_error)
return render(request,'index.html',{'obj':obj,'user_error':user_error})

months = models.Months()

return render(request,'index.html',{'obj':obj,'months':months})

#获取下拉列表选中记录
def Test01(request):
template = get_template('test01.html')
form = models.UserUsesSourceForm(initial={"username": request.user.username, 'provider': models.UserUsesSourceForm.SOURCES_CHOICES[1]})
#return render_to_response('update_datasource.html', context_instance=RequestContext(request, params))

html = template.render(locals())
return HttpResponse(html)

Test页面内容

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="" method="post">
{％ csrf_token ％}
{％ if form.non_field_errors ％}
<p>
{％ for error in form.non_field_errors ％}
<div class="text-error">{{ error|escape }}</div>
{％ endfor ％}
</p>
{％ endif ％}
<div class="control-group">

<label class="control-label" for="id_provider">Data source</label>
<div class="controls">
{{form.provider}}
</div>
</div>
</form>
</body>
</html>

显示结果为

补充知识：django前端页面下拉选择框默认值设置

1，前端样式

2，前端html代码

<select name="row.status">
<option value="ON" {％ if row.status == 'ON' ％} selected="selected" {％ endif ％}>ON</option>
<option value="OFF" {％ if row.status == 'OFF' ％} selected="selected" {％ endif ％}>OFF</option>
</select>

来源：https://blog.csdn.net/i168wintop/article/details/80044301

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Django choices下拉列表绑定实例

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