views - Django

from django.shortcuts import render
	from django.http import HttpResponse
	from . import models #导入模型

#获取全部
	def index(request):
    	wen = models.wenzhang.objects.all() #获取全部
    	return render(request,'index.html',{'text':wen})

#获取特定
	def wen_page(request,wen_id):
    	zhang = models.wenzhang.objects.get(id=wen_id) #根据特定字段获取
    	return render(request,'page.html',{'zhang':zhang})

#增加修改
	def alter(request):
    	wen_id = request.POST.get('wen_id')
    	title = request.POST.get('title')
    	content = request.POST.get('content')
    	dir = {"title":title,"content":content}
    	if wen_id == '':
        	models.wenzhang.objects.create(**dir) #增加
			#也可用：
			#new_wen = models.wenzhang(**dir)
			#new_wen.save()
        	wen = models.wenzhang.objects.all()
        	return render(request,'index.html',{'text':wen})
    	else:
        	models.wenzhang.objects.filter(id=wen_id).update(**dir) #修改
        	wen = models.wenzhang.objects.all()
        	return render(request,'index.html',{'text':wen})
    
#删除
	def delete(request,wen_id):
    	models.wenzhang.objects.filter(id=wen_id).delete() #删除
    	wen = models.wenzhang.objects.all()
    	return render(request,'index.html',{'text':wen})
#排序
	models.wenzhang.objects.filter(id="2").order_by("username") #排序