Django choices下拉列表繫結例項
阿新 • • 發佈：2020-03-14
Models內容
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'普通使用者'),(1,u'高階使用者'),)
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內容
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,'months':months})
#獲取下拉列表選中記錄
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頁面內容
<!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>
顯示結果為
補充知識：django前端頁面下拉選擇框預設值設定
1，前端樣式
2，前端html程式碼
<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>
以上這篇Django choices下拉列表繫結例項就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支援我們。